Simplicity Hygiene Unit

Transcription

1 Simplicity Hygiene Unit (Magellan Style) Installation, Operation & Care Manual DentalEZ MAKES YOUR PRACTICE PERFECT

2 Table of Contents Section I Introduction Specifications... 3 Classifications... 3 Dimensions... 4 Basic Components... 5 Section II Pre-installation Utility Service Center... 6 Plumbing Contractor's Procedure... 7 Electrical Contractor's Procedure... 7 USC Base... 7 Section III Installation Magellan Unit Support Umbilical Assembly Magellan Unit Post Delivery Head Handpiece Tubing Syringe Tubing...14 Basic Electrical Box (Optional) Power Module (Optional) Fiber Optics Tubing (Optional) Fiber Optics Electrical (Optional)...16 Light or Monitor Pole (Optional) Finalizing USC Installation Section IV Testing Delivery System Syringe...19 Saliva Ejector (SE) Foot Control & Handpieces Optional Features Section V Operation Delivery Head...21 Handpieces Syringe...22 Foot Control Vacuum Accessories Fiber Optics (Optional) Clean Water System Section VI Care Cleaning Disinfecting Section VII User Service Information Delivery Head Handpiece Arm System Service Instruction Disposal of Equipment Section VIII Parts Lists / Diagrams Utility Service Center Pivot/Mounting Hardware Power Modules (Optional) Delivery Head...31 Touch Pads Rigid Arm Fixed / Adjustable Arm Scaler (Optional) Clean Water System Foot Control Air / Water Syringe HVE Nozzle Saliva Ejector Nozzle...34 Limited Warranty...35 EMC Information Tubing Diagram Installation, Operation and Care Manual Simplicity Hygiene Unit 1

3 Section I Introduction Simplicity Hygiene Unit This manual contains installation, operation and care instructions and user service information for the Simplicity Hygiene Unit (Magellan style). The Simplicity Hygiene Unit is intended to be used by trained professional dental care personnel as an interface device to connect the dental operatory hand instruments to the appropriate supply utility such as air, water, vacuum, drain and electrical. It functions as a system management device that provides a method of operating the hand instruments from a single control input device. The Simplicity Hygiene Unit is manufactured to be used with a dental chair that supports a patient in a reclined seated position. Operators will be positioned around the patients head as required for optimum access for the specific procedure being performed. The delivery unit positions the handpieces for the optimum presentation to the operator. The Simplicity Hygiene Unit is designed to provide trouble-free service when installed, operated and maintained according to the procedures set forth in this manual. To ensure correct installation, carefully read all the procedure instructions contained in this manual paying close attention to all notes, cautions and warnings. Before proceeding, please review the picture below to become familiar with the components of the Simplicity Hygiene Unit and refer to the illustration on Page 4 for dimensions. After the unit is installed, please review the operation procedures and care guidelines with the doctor's staff. Then leave this manual in the doctor's office for future reference. Adjustable Arm Light Post (Optional) Delivery Head Magellan Unit Post Magellan Unit Support Clean Water System 2 Installation, Operation and Care Manual

4 Section I Introduction Specifications Power Supply 115 V, 60 Hz., as applicable 220 V, 50/60 Hz., as applicable Air Pressure pka (80 PSI) (at regulator in USC) Water Pressure pka (40 PSI) (at regulator in USC or clean water manifold) Clean Water System Reservoir Capacity L Magellan Unit Shipping Weight Simplicity Del. Head & Arms kg (28 lbs.) Magellan Unit Post kg (10 lbs.) Magellan Unit Support - 9 kg (20 lbs.) Utility Service Center (USC) kg (15 lbs.) Light Post (Optional) kg (15 lbs.) Recommended Environmental Conditions Environmental conditions for transport and storage: - Relative humidity range within 0% to 95% - Transport/storage temp. within -29º C to +74º C Environmental conditions for operation: - Conditioned Air - Atmospheric pressure range within 500 to 1050 kpa - Operation temperature within +15º C to +27º C Classifications Medical - General Medical Equipment Certified as to electrical shock, fire and mechanical hazards only in accordance with UL , 53HN CAN/CSA-C22.2 No , 0459 CAN/CSA-C22.2 No (2008) & ANSI/AAMI ES (2005). Type of protection against electric shock: Class 1 Equipment Degree of protection against electric shock: Type B Applied Parts. The handpiece is considered an applied part. Degree of protection against the ingress of water: Ordinary Equipment not suitable for use in the presence of a flammable anesthetic mixture with air or with oxygen or nitrous oxide. Mode of operation: Continuous Explanation of Symbols and Signs: SN = Caution = Warning = Biohazard = Warning Dangerous Voltage = Alternating Current = Direct Current = Type B Applied Part = Protective Earth (ground) = General Mandatory Action = Refer to Manual (follow instructions) = European Certification = Serial Number = Manufacture Date = Manufacturer The authorized European representative is: DentalEZ (GB) Ltd., Cleveland Way Hemel Hempstead, Hertfordshire, HP2 7DY, England Phone: (01442) Attn: Mr. Jeff Whitehouse Light SPECIAL Arm NOTICES Assembly In accordance with Part 15 of FCC rules, this equipment was tested and complies with Class A digital device limits. These limits are designed to give equipment reasonable protection against detrimental interference when operated in a commercial environment. Medical electrical equipment needs special precautions regarding electromagnetic compatibility (EMC) and needs to be installed according to EMC information. (See EMC Information Pgs. 36 through 39.) Mobile radio frequency (RF) communications equipment can effect medical electrical equipment. Simplicity Hygiene Unit 3

5 Section I Introduction Simplicity Hygiene Unit Dimensions 19-3/8" 12-3/8" 24" 16-5/8" R 23" R 26-3/4" 1-1/2" 24-1/8" 52" 12-1/2" 6-1/2" 9-1/4" to 25-1/2" 5-1/2" 17-1/2" 4 Installation, Operation and Care Manual

6 Section I Introduction Magellan Unit Post Basic Components Unpacking Cartons The Simplicity Hygiene Unit components are packaged and shipped according to the carton diagrams below NOTE: Be aware that the carton may contain empty packing inserts (even if optional components were ordered). Simplicity Hygiene (Magellan Style) Unit Carton Foot Control & Installation Hardware Utility Service Center Assembly Delivery Head Unit Post/Support Carton Magellan Unit Light Post (If Ordered) Installation Hardware Magellan Unit Support NOTE: If light post ordered, entire contents will be inside light post box. Verify the components packaging contents against the packing list. All parts supplied are necessary for proper installation, so be sure not to discard any hardware or components until installation is complete. Simplicity Hygiene Unit Carton Contents: Delivery Head Utility Service Center Assembly Foot Control Installation Hardware: - Two Plastic Anchors - Six 1/8" & Three 1/4" Tubing Clamps - 5/16" Locknut - Two #6 x 3/8" Screws - Two #10 Screws - 5/16" Button-head Screw - Two 5/16" Flat Washers - Two Stop Valves - Two Adaptors - Air Fitting Assembly - Three-position Housing - Water Actuator Assembly Valve Chair Mount Cover Assembly w/mounting Hardware Unit Post/Support Carton Contents: Magellan Unit Post Magellan Unit Support NOTE: If a pre-tubed chair was ordered, items marked with an * will be on the chair. Pole Pivot Supply Bag - Post Pivot Pin - Two Thrust Bearings - Four Thrust Washers - 3/8" x 2-1/4" Hex-head Bolt* -.382/.393 ID x.683 OD Washer* - 13/32" ID x 13/16" OD Washer* - Socket Set Screw - 1/4-20 x 3/8" Set Screw* - Rubber Pivot Cover Magellan Light Supply Bag (Optional): - Spacer - #10-32 x 1" Pan-head Screw - Two #10 Internal Tooth Lock Washers - Two 5/16" Heavy Duty Electrical Clamps - #10-32 x 3/8" Pan-head Screw - 7-1/2" Nylon Cable Tie - Light Adaptor Cord Assembly Simplicity Hygiene Unit 5

7 Section II Pre-installation Simplicity Hygiene Unit WARNING Do not position equipment so that it is difficult to unplug the unit from the power receptacle. WARNING Do not modify this equipment without authorization from the manufacturer. NOTICE For any questions about an order, please contact a DentalEZ Equipment customer service representative at DTE-INFO. NOTICE Some illustrations and instructions in this manual include installation of optional city water. If optional city water is wanted, purchase kit PN NOTICE Installation by an authorized DentalEZ dealer service technician is recommended. Utility Service Center USC Carton Contents: Utility Service Center (USC) USC Cover USC Template Bag of Supplies NOTICE Set the USC cover aside until all installation and testing is complete. 1. Remove and unfold the full-size USC template found in the USC carton. 2. Position the USC template according to the exact layout indicated, making certain correct distance from base to chair is maintained. 3. Using the USC template, drill four corner mounting holes for the USC base. But do not secure the base to the floor at this time. NOTE: For wood or metal floors, drill 5/32" holes. For concrete, drill 1/4" holes and install plastic anchors. IMPORTANT NOTICE DO NOT DISCARD the USC template after use. Neatly refold it and place it in the back of this manual. NOTICE For reference, a color-coded tubing diagram is located at the end of this manual. 6 Installation, Operation and Care Manual

8 Section II Pre-installation Plumbing Contractor's Procedure WARNING Before proceeding with plumbing installation, comply with and maintain all applicable utility codes and regulations. NOTE: Optional components are marked with an *. NOTE: If use of the optional city water system is planned for the future, it is highly recommended to install necessary components now. 1. Open the USC bag of supplies. 2. Orient the utilities as described in the USC template and stub through the floor. (Vacuum and drain fittings not supplied. Refer to the USC template for requirements.) NOTE: Pay close attention to the orientation of the template to the chair. 3. Sweat the valve adaptors to the air and *water stubs. 4. Apply the appropriate thread sealant to the valve adaptor/s and install the stop valve/s. 5. Sweat the vacuum elbow to the stub. 6. Sweat the hose connector to the elbow as applicable and orient as shown in the template. 7. Flush the air and *water lines to remove trash and debris. 8. Connect the air fitting assembly to the air stop valve as shown in the template. Using a 5/8" open-end wrench, tighten the nut securely. 9. *Connect the water actuator valve assembly to the water stop valve as shown in the template. Using a 5/8" open-end wrench, tighten the nut securely. CHAIR SIDE Vacuum Fitting (not supplied) (Optional City Water Installation Shown) Air Fitting Assembly Drain Fitting (not supplied) *Water Actuator Valve Assembly Electrical Contractor's Procedure WARNING Before proceeding with electrical installation, all wiring must be in accordance with NEC and local electrical codes. WARNING To avoid the risk of electrical shock, this equipment must only be connected to a supply mains with protective earth. CAUTION Rating of main circuit breakers should be 20 Amp maximum. NOTICE Isolating the unit from the supply mains is accomplished by unplugging the unit from the power receptacle. NOTICE Electrical contractor's parts are not supplied. The electrical contractor is to provide a covered 115 VAC receptacle which meets all applicable utility codes and regulations. For the recommended location of the 115 VAC receptacle, refer to the USC template. NOTE: If the recommended location is not met, the USC base or the optional power module may interfere with the 115 VAC receptacle. USC Base 1. Position the USC base over the four corner holes that were drilled during pre-installation. 2. Secure the base using four #10 screws. NOTICE If previous utilities interfere with the USC base internal bracing, modification may be necessary. Simplicity Hygiene Unit 7

9 Section III Installation *IMPORTANT NOTE: This manual contains instructions for installing a Simplicity Magellan Unit on a pre-tubed or non-pre-tubed chair. Pre-tubed chairs have an umbilical assembly running along the top casting and out the base cover, and the Magellan Unit mount is pre-installed at the factory. Magellan Unit Support NuSimplicity TM Chair 1. Raise the base and back to full UP position. 2. Disconnect the chair from the power supply. 3. Take off the chair's seat by removing the 1/4-20 thumb screw from under the seat. Push the seat towards the back of the chair to clear the substrate from the slide bosses. Then set the seat aside with all related hardware. Substrate 1/4-20 Thumb Screw NOTE: If installing the Simplicity Magellan Unit on a DentalEZ chair that is not pre-tubed, continue with the following instructions. If installing on a pre-tubed chair, skip Steps *4-*10. *4. Select the following items from the Magellan unit support hardware package: Three 1/2" x 1-1/2" Bolts Three 1/2" Lock Washers Four 1/2" Flat Washers Four 1/2" Shims Two 3/8" x 1/2" Set Screws *5. Determine if the two outside 1/2" threaded hole mounting pads and the Magellan Unit support are level. If the mounting pads or unit support are not level, select the Simplicity Hygiene Unit necessary amount of 1/2" shims needed to provide a level condition across the two pads. *6. Position the Magellan unit support so that the three 1/2" through holes align with the corresponding threaded holes of the chair mount casting. *7. Install the two outside 1/2" bolts and lock washers and the number of 1/2" shims determined in Step 5 through the Magellan unit support and thread into the chair mount casting. *8. Tighten both outside 1/2" bolts to allow a 3/16" clearance at the middle 1/2" bolt location. *9. Install the middle 3/8" set screws in the bottom of the Magellan unit support. *10. Install the middle 1/2" lock washer and 1/2" bolt, but do not fully tighten. 11. Place a level on the Magellan unit support, parallel with and perpendicular to the chair center line. Then check the level of the unit support. NOTE: If leveling is necessary, adjust the 3/8" set screws until the unit support is level. 12. Tighten all hardware (55 foot-pounds for 1/2" bolt). 1/2" Bolts Set Screws 8 Installation, Operation and Care Manual

10 Section III Installation Other DentalEZ Chairs 1. Raise the base and back to full UP position. J-Chair - Raise the seat also. 2. Disconnect the chair from the power supply. 3. Remove the chair's seat and set it aside with all related hardware. To remove the seat: J/V-Generation Chair - Unsnap the two decorator plastic cover caps on the back of the chair seat cushion. Then remove the 1/4-20 screws (two) on the back and (two) on the underside that secure the seat to the chair mount casting. J-Chair - Unsnap the four decorator plastic cover caps (two) on the back and (two) on the underside of the chair seat cushion. Then remove the four 1/4-20 x 5/8" screws that secure the seat to the chair mount casting. NOTE: If installing the Simplicity Magellan Unit on a DentalEZ chair that is not pre-tubed, continue with the following instructions. If installing on a pretubed chair, skip Steps *4-*10. *4. Select the following items from the Magellan unit support hardware package: 1/2" x 2-1/2" Bolt 1/2" Lock Washer Two 3/8" x 1" Bolts Two 3/8" Flat Washers & Lock Washers Four 3/8" x.01 Shims** Plastic Spacer 1/2" Bolt Chair Mount Casting Thick/Thin Shim Washers (as needed) Magellan Unit Support 3/8" Flat Washer 3/8" Lock Washer 3/8" Bolt 1/2" Lock Washer *5. Determine if the two 3/8" threaded hole mounting pads and the Magellan Unit support are level. If the mounting pads or unit support are not level, select the necessary amount of 3/8" shims needed to provide a level condition across the two pads. *6. Position the Magellan unit support so that the two 3/8" and one 1/2" through holes align with the corresponding threaded holes of the chair mount casting. *7. Install the two 3/8" bolts, flat and lock washers and the number of 3/8" shims determined in Step 59 through the Magellan unit support and thread into the chair mount casting. *8. Tighten both 3/8" bolts to allow a 3/16" clearance at the 1/2" bolt location. *9. Install the 3/8" set screws in the bottom of the Magellan unit support. *10. Install the 1/2" lock washer and 1/2" bolt, but do not fully tighten. 11. Place a level on the Magellan unit support, parallel with and perpendicular to the chair center line. Then check the level of the unit support. 1/2" Bolt & Lock Washer Spacer, #10 Screw & Lock Washer 3/8" Set Screws (for leveling) 3/8" Bolts Level (parallel) Magellan Unit Support NOTE: If leveling is necessary, adjust the 3/8" set screws until the unit support is level. 12. Tighten all hardware: 22 foot-pounds... for 3/8" bolt 55 foot-pounds... for 1/2" bolt 13. Using the #10 screw and lock washer, install the plastic spacer on the top surface of the Magellan unit support. Simplicity Hygiene Unit 9

11 Section III Installation Simplicity Hygiene Unit Umbilical Assembly NuSimplicity Chair Installation 1. From the umbilical bag of supplies, select the umbilical assembly with the supplied L-bracket. 2. Route the umbilical between the hydraulic pump and the control board, then under the cantilever arm. 3. Tie wrap the umbilical to the bracket. (See photo below.) L-bracket Tie Wrap 4. Route the umbilical through the brackets on the cantilever and secure using tie wraps. (See photo below.) Tie Wraps 6. Using the two screws provided, secure the L-bracket. 7. Leave the base cover off until the foot control has been installed. Other DentalEZ Chairs *IMPORTANT NOTE: If installing on a pre-tubed DentalEZ chair, skip Steps *1-*17. *1. Select the following hardware items: Six 8" Tie Wraps Three 4" Tie Wraps 3/4" x 1-1/2" Foam Pressure Tape Two 1" Plastic Clamps Two 5/8" Metal Clamps 5' x 1-3/4" Corrugated Ducting Hose 8-1/2' x 5/8" Chair Umbilical Assembly Vacuum Hose & 5/8" x 5/8" Connector *2. Route and secure the chair umbilical as follows: J/V-Generation Chair -Route the chair umbilical assembly through the front slot in the chair casting and continue as shown in the illustration below. Then secure using the two 1" plastic clamps and tie wraps. Tie Wraps Tilt Cylinder Assembly Casting Slot Clamps Under Cylinder Umbilical Assembly 10 Installation, Operation and Care Manual

12 Section III Installation J-Chair - Route the chair umbilical assembly through the front slot in the chair casting and continue as shown in the illustration below. Then secure using the two 1" plastic clamps and tie wraps. Clamps Touchpad Wire White Cable Casting Slot Umbilical Assembly Tilt Cylinder Assembly J-Chair NOTE: Avoid the tilt cylinder assembly because it moves and could cut or pinch the tubing. NOTE: Make sure the umbilical assembly exhibits a small amount of slack when the Magellan unit post is aligned with the chair. NOTE: Remove only the rear portion of cable wrap on the umbilical assembly to expose the protective foam block at the touch pad wire connector. *3. Remove and discard the two existing 3/8" black clamps. Then install the two 5/8" metal clamps on the umbilical assembly at the same locations. HELPFUL NOTE: Positioning the back of the seat forward will make Step 4 easier. *4. Route the umbilical assembly through the pivot opening along with the other hoses. *5. Place the umbilical assembly on the underside of the chair lift as shown in the photo above in the next column. Lift Cylinder Umbilical Assembly Hydraulic Hoses Tie Wraps Syringe Air/ Water Lines 5/8" Vacuum & 5/8" x 5/8" Connector NOTE: Make certain the umbilical assembly is not contacting the electrical wiring within the power assembly area. *6. Use two 4" tie wraps to secure the umbilical to the hydraulic hoses. *7. Using the #10-32 screws provided, attach the vacuum restraining bracket to the chair safety switch bracket for routing the vacuum hose from the assistant's arm. Umbilical Vacuum Hose Restraint Bracket Safety Switch Bracket Old Bracket New Bracket *8. Place the 8-1/2' x 5/8" vacuum hose onto the underside of the chair. Use two 8" tie wraps, and attach the vacuum hose to the inside of the cantilever arm. (See photo at top of this page.) *9. Route the 8-1/2' x 5/8" vacuum hose under the chair's pump assembly. *10. Remove the power cord restrain from the L- shape bracket on the chair pump assembly. *11. Remove the hospital plug from the chair power cord and take note of the wire color of the cord to the corresponding screw color of the plug. Simplicity Hygiene Unit 11

13 Section III Installation Simplicity Hygiene Unit *12. Slide the cord restraint off the power cord and set aside. *13. Thread the 5' x 1-3/4" ducting hose (left-hand threads) on the painted bracket of the chair's pump assembly. NOTE: It may be necessary to replace the existing chair's pump assembly bracket with the one containing a larger diameter hole which is provided in the pre-tube conversion kit. *14. Feed the chair umbilical assembly and the 8-1/2' x 5/8" vacuum hose into the 5' x 1-3/4" corrugated ducting hose. *15. Obtain the chair pump cover slot template (PN: ) included with the pre-tube conversion kit and follow the instructions to route out the power cord slot. (If required) Screws & Tape Template Rotary Cutting Tool USC Base L-Shaped Bracket Ducting Hose #10 Screw Holes 19. Remove the two #10 screws that secure the L-shaped bracket to the USC base plate. 20. Thread the L-shaped bracket onto the 1-3/4" ducting hose that connects the chair to the USC. (The ducting hose is left-hand threaded.) NOTE: It may be necessary to trim the 1-3/4" ducting hose and umbilical tubing passing through it. It is recommended not to trim the umbilical wires, but rather coil them inside the USC. 21. Reattach the L-shaped bracket onto the USC base using the two #10 screws. Magellan Unit Post *16. Position the base (pump) cover to align the four mounting holes to ensure the chair's umbilical assembly does not interfere with the cover's fit. But, do not secure the base (pump) cover at this time. *17. Pass the power cord through the 5' x 1-3/4" corrugated ducting hose and into the USC. 18. Trim the power cord length if desired. (If installing on a pre-tubed chair, first remove the hospital plug from the chair power cord and take note of the wire color of the cord to the corresponding screw color of the plug.) Trim off the excess cord, then reattach the hospital plug to the cord. 1. Select the following hardware package items: 3/8" x 2-1/4" Hex-head Screw 1/4", 3/4" and 3/8" Set Screws (one each) 3/8" Flat and Lock Washers (one each) Four Thrust Washers Two Thrust Bearings Rubber Cap Tube of Lubricant Post Pivot 2. Place a thrust washer on the 2" diameter bearing surface of the Magellan unit support. 3. Apply lubricant to a thrust bearing and install the bearing, followed by a second thrust washer. 4. Position a thrust washer onto the flat member of the Magellan unit post. 12 Installation, Operation and Care Manual

14 Section III Installation Rubber Cap Post Pivot Pin Thrust Washers Unit Pole Thrust Bearing Unit Support 1/4-20 x 3/4" Set Screw 3/8" Hex-head Bolt 3/8" Lock Washer 3/8" Flat Washer Slot 1/4-20 x 3/8" Set Screw 5. Apply lubricant to the second thrust bearing and install followed by a thrust washer. 6. Position the support post so that the 1-1/4" ID brass bushing in the flat member is aligned with the bearing stack. HELPFUL NOTE: Grasping the unit post with one hand so that the unit post flat member bears against the top lug of the unit support will assure the alignment of the thrust bearing is maintained. 7. Using a free hand, insert the pivot mount with thrust bearing and washers through the 1-1/4" diameter bore and the lower bearing stack. Then engage the pivot mount into the brass bushing. NOTE: Engagement is a slip fit, provided the Magellan unit post is held in alignment. CAUTION To avoid damage to the pivot bushing, do not use force when installing the pivot mount into the Magellan unit post. 8. Make sure the pivot pin slot faces the side of the unit support having the tapped hole. 9. Seat the pivot mount until its head is in full contact with the bottom and sides of the Magellan unit support. 10. Locate the 1/4" x 3/4" long set screw in the threaded hole on the Magellan unit support. Then tighten the 1/4" x 3/4" set screw to prevent the pivot pin from rotating. 11. Place a 1/4" x 3/8" long set screw into the threaded hole in the flat member of the Magellan unit post. 12. Engage the 1/4" x 3/8" set screw with a 1/8" Allen wrench to deform the internal bushing against the pivot mount until a 3-pound force is required to rotate the unit post. 13. Install the rubber cap over the bolt head. Delivery Head 1. Remove the packaging from the delivery head along with the adjustable arm and the umbilical assembly. 2. Apply lubricant (used earlier) to the inside bushing of the Magellan unit post. 3. Feed the umbilical assembly into the unit post, ensuring that the leading end of the umbilical assembly does not catch on the open access slot or weld seam of the unit post s flat joint. 4. After the umbilical assembly is completely installed in the unit post, engage the bearing arm support assembly into the post. 5. Match and connect the tubes and wires from the Magellan arm umbilical assembly to the manifold and wires of the chair umbilical assembly according to the photo on the right and manifold illustration on the next page. 1/4" Clear NOTICE For tubing connections at manifold, see Page 14. Simplicity Hygiene Unit 13

15 Section III Installation Simplicity Hygiene Unit 1/4" Green from Chair Umbilical Originally Plugged 1/4" Clear 1/4" Clear from Manifold Block (Plug Removed) Handpiece Tubing NOTE: The standard tubing for the delivery head is factory installed. CHAIR SIDE 1/4" Green from Water Bottle 1/8" Clear 1/8" Green 1/8" Blue 1/4" Clear from Water Bottle 1/4" Clear from Chair Umbilical Remove and replace with 1/8" barb. Attach 1/8" Yellow from Water Bottle Syringe Tubing 1. Hang the syringe valve in the holder. 2. Connect the air and water lines to the appropriate male to female connectors in the unit chassis. 3. Connect the syringe to the valve body and install the nozzle tube assembly, following the instructions in owner s manual supplied with the syringe. 1/4" Red 1/8" Black 1/8" Red UNIT SIDE 1/8" Yellow from Unit Umbilical 6. Connect the 5/8" ID vacuum hose from the umbilical assembly to the 5/8" ID vacuum hose of the chair by sliding it over the connector of the umbilical ducting hose. 7. Cut off excess vacuum tubing. NOTE: Provide sufficient slack in the umbilical assembly to avoid stretching when the chair is in its full UP position. 8. Check for leaks. 9. Install the mounting plate cover NOTE: The J/V-Generation and J-Chair have a one-piece, v-shape cover. The Simplicity Chair has a two-section, mirror-image cover. IMPORTANT NOTE: To prevent arm or post drifting, make sure unit head is leveled properly. 14 Installation, Operation and Care Manual

16 Section III Installation Basic Electrical Box (Optional) 1. Unplug all cords from the receptacle in the USC. NOTE: See the basic electrical box system wiring diagram in the back of this manual for connections. 2. Connect the supplied adaptor harness to the main wiring harness. 3. Connect the green wire of the adaptor harness to the USC base or electrical box to ground it. NOTE: The adaptor harness has two connectors: One will connect to the fiber optic transformer (if ordered). The other will connect to the light transformer (if ordered). Both transformers plug into the basic electrical box. 4. Pass the green ground wire of the main harness through the umbilical and ground it to the chair. NOTE: It may be necessary to remove an existing screw and reinsert the screw with the green ground wire attached. Power Module (Optional) 1. Unplug all cords from the receptacle in the USC. NOTE: See the power module system wiring diagram in the back of this manual for connections. 2. Connect the main wiring harness to the power module. Power Module Main Harness 1/8" Barb 1/8" Yellow Line Umbilical 1/8" Yellow Line "T" Optional Equipment Shown 3. A "T" must be spliced into the 1/8" yellow air line near the poppet valve. Then connect the open end of the "T" to the barb of the power module using a section of 1/8" yellow air line and two tubing clamps. If necessary, cut a section of 1/8" yellow air line out of the umbilical to make connection. 4. After checking all the plug connections, reconnect the power plug into the receptacle in the USC. 5. Pass the green wire of the main harness through the umbilical and ground it to the power module, USC base or chair. Green Ground of Main Harness NOTE: It may be necessary to remove an existing screw and reinsert the screw with the green ground wire attached. NOTE: Make sure the air valve in the USC is open. 6. At the delivery head, turn master switch to ON and ensure power is available at power module. Simplicity Hygiene Unit 15

17 Section III Installation Simplicity Hygiene Unit Fiber Optics Tubing (Optional) NOTE: The fiber optic tubing is factory installed. Fiber Optics Electrical (Optional) NOTE: The fiber optics electrical wiring is factory installed. To complete installation do the following: In the service console, plug the black and white wire leads from the arm into the orange and yellow wires from the umbilical wiring harness. (For reference of fiber optics electrical connections, see the wiring diagram in the back of this manual.) Light or Monitor Pole (Optional) 1. Select the following hardware package items: 3/8"-16 x 2-1/4" Hex-head Bolt 1/4" x 3/4" Set Screw 1/4" x 3/8" Set Screw 3/8" Flat and Lock Washer (one each) Four Thrust Washers Two Thrust Bearings Rubber Cap Post Pivot 2. Raise the chair base to its upper travel limit and disconnect the chair power. 3. Remove the warning tag from the unit post assembly and set the assembly aside for use when reprogramming the chair. Thrust Washers 1/4" x 3/8" Set Screw 1-1/4" Brass Bushing Note Slot Orientation 3/8" Flat Washer 3/8" x 2-1/4" Bolt Rubber Cap 1/4" x 3/4" Set Screw Align pin w/pivot pin Counter Bore Thrust Bearing Light Arm or Monitor Arm Pivot Pin 3/8" Lock Washer 4. Apply lubricant to the pivot pin shaft and both sides of all thrust washers and thrust bearings. 5. Place a thrust washer, bearing and another thrust washer onto the pivot pin. Then insert the pivot pin and bearing stack through the 1-1/4" brass bushing at the end of the light/ monitor pole. Place another thrust washer, bearing and thrust washer onto the pin. CAUTION To avoid damage to the pivot bushing, do not use force when installing the pivot mount into the light/monitor pole. 6. While holding the bearings and pin in the pole, align the machined hole in the pivot pin with the pin in the chair support's bottom counter bore. Then adjust the unit pole and pin so the pin will slide into the counter bore. NOTE: Engagement is a slip fit, provided the Magellan light/monitor pole is held in alignment. 7. Seat the pivot mount until its head is in full contact with the bottom and sides of the Magellan unit support. 16 Installation, Operation and Care Manual

18 Section III Installation 8. Make sure the pivot pin slot faces the side of the unit support having the tapped hole. 9. While holding the unit pole in position, install the 3/8"-16 x 2-1/4" hex-head bolt with 3/8" lock and flat washers through the pin so that it threads into the chair support. Then tighten the bolt enough to remove most clearances between the bearings. 10. Install the 1/4" x 3/4" set screw into the threaded hole on the Magellan unit support. Then tighten the set screws to prevent the pivot pin from rotating. 11. Finish tightening the bolt in the pin until all the clearance between the bearings is removed and the pole moves freely. Then retighten the set screw. 12. Place a 1/4" x 3/8" set screw into the threaded hole in the flat member of the Magellan unit post. 13. Engage the set screw with a 1/8" Allen wrench to deform the internal bushing against the pivot mount until a 3-pound force is required to rotate the unit post. 14. Install the rubber cap over the bolt head. Finalizing USC Installation NOTE: If the pump cover and the chair's lower cantilever cover are not already removed, take them off now. (Refer to Page 8, right column under Other DentalEZ Chairs, Step 4.) 3. Starting from the back of the chair, route the foot control tubing into the pump area. 4. Find the foot control leads of the chair's umbilical assembly numbered 1, 2, 3 and 4 located toward the rear of the chair's pump motor assembly. 5. Attach the 1, 2, 3 and 4 leads with the corresponding numbered connectors of the foot control tubing. 6. In the USC, attach the hard, red air line to the air valve fitting using the supplied compression fitting. (See connection A.) *7. Attach a 1/4" tubing clamp to the rigid 1/4" green water line of the water regulator. *8. Use soap to lubricate the 1/4" barb. Then connect the water line to the water valve actuator. (See connection B.) Optional City Water Layout Shown A *Water Regulator NOTE: The following instructions for finalizing USC connections include optional city water installation. If installing standard clean water system only, omit these steps indicated with an *: *7, *8, *12 and *14. NOTE: Refer to the tubing diagram in the back of this manual for all connections. 1. Select the following hardware items: Six 1/8" Tubing Clamps Three 1/4" Tubing Clamps 2. Remove the cable wrap to expose the tubing connections of the umbilical assembly. *B Vacuum Elbow Air Regulator Simplicity Hygiene Unit 17

19 Section III Installation Simplicity Hygiene Unit 9. Connect the 1/8" red tube from the umbilical to the poppet valve connection opposite the existing barb assembled to the 1/4" red tube. (See connection C.) 10. Connect the 1/8" yellow tube from the umbilical to the poppet valve connection opposite the existing barb assembled to the 1/8" yellow tube. (See connection D.) 11. Connect the 1/4" red tube, numbered 1, to the middle barb of the poppet valve in the USC. Then secure the connection using a 1/4" tubing clamp. (This is the drive air line for the foot control.) (See connection E.) *12. Connect the 1/4" green tube of the umbilical to the connector from the 1/4" clear tube of the water regulator. (See connection F.) 13. Attach a 1/8" tubing clamp to the 1/8" yellow air line of the poppet valve. *14. Use soap to lubricate the barb of the water valve actuator. Attach the 1/8" yellow line of the poppet valve to this barb and secure using a 1/8" tubing clamp. (See connection G.) 15. If a rear assistant's arm is installed, slip the vacuum hose from the chair over the vacuum elbow in the USC. (See connection H.) C D E *F *G H Typical Installation Typical Installation 16. If an optional fiber optic electrical system is installed, attach the electrical leads of the power pack transformer to the adaptor harness. If no power module, attach the electrical leads to the matching connector on the main harness. 17. Route the main harness through the 5' x 1-3/4" corrugated ducting hose to the inside of the chair pump cover. (For future connections if necessary.) 18. In the USC, open the air/water stop valves and check for leaks. 18 Installation, Operation and Care Manual

20 Section IV Testing Adjustable Arm To check the maneuverability of the Simplicity adjustable arm, do the following: 1. Turn the brake release toggle OFF. 2. Slightly lift the adjustable arm, then lower it into the desired position. Delivery System Utility Service Center 1. Turn ON all services supplying the USC. 2. Open the air and water manual stop valves by turning the knobs counterclockwise. 3. Inspect all joints and connections for leaks. 4. Plug in any transformers in the USC into an electrical outlet. Master Switch Air and Water Filter/Regulators Brake Release Toggle 3. Turn the brake release toggle ON. 4. To raise the unit, lift up to the desired position. 5. Turn the master switch ON. 6. Inspect for leaks in the service console, cuspidor and delivery head. NOTICE The air regulator is factory preset to deliver pka (80 PSI). The water regulator is preset to deliver pka (40 PSI). If the air/water regulators are not properly set, do the following adjustment process: 1. Pull the locking knob. 2. Turn the adjustment knob on each regulator until the correct pressure reading is reached (clockwise to increase or counterclockwise to decrease). 3. When finished, push the locking knob down. Syringe If the unit is equipped with a syringe, first depress the air button and then the water button to test the flow. Saliva Ejector (SE) Evacuate one cup of water (8 oz.) through the SE. Foot Control & Handpieces CAUTION Before connecting handpieces, all air must be purged from the coolant water lines to allow the system to function properly. Coolant Water Lines 1. At the foot control, flip the toggle to WET. 2. Purge air from the coolant water lines WET/DRY Toggle on each handpiece as follows: a. Turn the water coolant valve counterclockwise to its full, open position. b. Remove the Dry handpiece tubing from holder. Wet Water Coolant Valve c. While facing the deliver head, start with the handpiece tubing on the far left; then fully depress the foot control to allow water to flow into a sink or other container. Simplicity Hygiene Unit 19

21 Section IV Testing Simplicity Hygiene Unit d. As the water is flowing, continue the purging operation of the remaining tubings (moving from the left tubing to the right tubing). e. Allow water to flow freely from all tubings until all air has escaped. 3. Attach the handpieces to the tubing as follows: a. Slide the connector nut down along the tubing to expose the handpiece adaptor. b. Carefully align and insert the handpiece base into the adaptor. c. Replace and tighten the connector nut to complete installation. Tubing Adaptor Air Pressure 1. Flip the toggle to DRY at the foot control. Nut Air Pressure Adjustment Screws Handpiece (Insert Air Pressure Gauge Here) 2. To adjust the individual handpiece drive air pressure to the manufacturer's specifications do the following procedure: a. Remove the handpiece from its holder. b. Insert an air pressure gauge as indicated in the illustration above. c. Hold the handpiece, fully depress the foot control and observe the amount of air pressure delivered to the handpiece. d. Locate the air pressure adjustment screws on the bottom of the delivery head chassis. e. Using a slotted screwdriver or fingers, turn the air pressure adjustment screw on the control valve of the appropriate handpiece (counterclockwise to increase pressure, clockwise to decrease pressure) until the handpiece manufacturer's correct specification registers on the pressure gauge. 3. Repeat a. through e. in Step 2 to set the pressure for each handpiece. NOTE: If a low-speed handpiece is required, slide the coolant air and water restrictor over the lines on the appropriate control valve. Chip Air Foot Control If the handpiece utilizes coolant air, a burst of air should be delivered to the handpiece when the chip air valve is depressed. Flush Valve 1. Remove the handpiece from its holder. 2. Activate the flush toggle valve. 3. Operate each handpiece for 30 seconds into a cuspidor, sink or open vacuum line. Optional Features High-Volume Evacuator (HVE) Evacuate one cup of water through the HVE. Fiber Optics Follow the test procedures outlined in the instructions included in each fiber optic handpiece package. Scaler 1. Remove the scaler from its holder. 2. Place the scaler insert into the handpiece. 3. Fully depress the foot control and allow water to flow into a sink or other container. NOTE: Refer to the instructions, PN: , included with the scaler. NOTICE After all final testing is complete, install the USC cover using four #10 screws. 20 Installation, Operation and Care Manual

22 Section V Operation WARNING To prevent possible injury because of accidental operation, do not leave young children unattended. WARNING Do not place objects weighing more than ten (10) pounds on the delivery head/tray. Delivery Head Master Switch Control The master switch, located on the side of the delivery unit, controls the ON/OFF function of air, water and electricity to the entire unit. Flip the master switch up to turn ON the unit. IMPORTANT: At the end of each work day, and anytime the unit is unattended, make sure the master switch is in the OFF position. The handpiece holder angle can be adjusted by using an Allen wrench to loosen two set screws on the bottom of the holder and rotating the holder to the desired angle; then retightening the screws. Handpiece Holder Set Screws An oil collector/filter is designed to collect oil from the handpiece exhaust air. Periodically check the filter for cleaning or replacement by removing the screws that hold the cover and inspecting the filter. Oil Filter Housing Master ON/OFF Switch Instrument Hanger IMPORTANT: Slide the hangar bar out far enough to accommodate the instruments, then tighten the set screws indicated in the picture below to secure. This feature s design allows the following functions: An automatic CUT OFF, can be demonstrated by placing tubing in the hanger and disabling operation for that position. Instrument Hanger Delivery Head Positioning The horizontal and vertical location of delivery head can be varied by doing the following: To vary the horizontal location, push or pull the instrument hanger bar handle. To raise the delivery head, lift up the instrument hangar bar handle with the brake off. To lower the delivery head, make sure the brake is off and pull the head down. Set Screws When positioned correctly, turn the brake back on. Brake Release Toggle Simplicity Hygiene Unit 21

23 Section V Operation Coolant Water Spray Coolant water spray to all the handpieces can be turned ON or OFF using the toggle switch located on the foot control. The coolant spray volume for the handpieces can be regulated as follows: 1. Locate the coolant water valve found on the side of the delivery head. 2. While operating the handpiece, turn the valve counterclockwise to increase the volume of coolant water spray. To decrease the volume, turn the valve clockwise. Air Pressure Air pressure to each handpiece can be adjusted to the manufacturer's specifications by following the air pressure instructions in Section IV Testing (Page 20). NOTE: These procedures must be done while: The master switch is in the ON position, The handpiece is out of its holder and The foot control is fully depressed. NOTE: When making necessary air pressure adjustments, refer to the air pressure gauge located at the Handpieces Coolant Water Valve Air Pressure Adjustment Screws side of the delivery head to check the approximate amount of air pressure delivered to the handpiece. Flush System Simplicity Hygiene Unit It is recommended that the tubing of each handpiece used be flushed after each patient. 1. Hold the handpiece tubing over a sink, cuspidor or open vacuum line. 2. While facing the front of unit, move the flush valve toggle, located on the right of the delivery head, up and hold it there for 30 seconds. NOTE: Flushing the water line in the handpiece can be done by operating the flush valve while either fully depressing or not depressing the foot control. Syringe Flush Valve Toggle The syringe is designed to deliver air or water, or a mixture of air and water, as required. To deliver water only, press the button on the syringe marked with a water drop symbol. For air only, press the button on the syringe with no marking. To get a spray mixture of air and water, press both buttons simultaneously. NOTE: Air and water flows are factory preset. Foot Control The speed of the handpiece is controlled by depressing the disc located on the foot control. A light pressure on the foot control disc causes a slow speed. Full pressure on the disc causes the handpiece to operate at full speed. NOTE: The coolant water spray ON/OFF function is also controlled by using the toggle located on the foot control as described above. WET/DRY Toggle Disc Dry Wet Chip Air Valve 22 Installation, Operation and Care Manual

24 Section V Operation Chipblower If the handpiece utilizes coolant air, this feature is used to blow debris away from the cutting site by creating an air blast through the handpiece without causing the bur to rotate. To operate the chip blower, depress and hold down the valve on the upper right of the foot control. Vacuum Accessories The standard instrumentation for a post-mounted CMU is one Saliva Ejector (SE) and a three-way syringe (syringe operating instructions on previous page). Optional features include one High Volume Evacuator (HVE). HVE & SE The flow of vacuum through the HVE and SE is controlled by a lever valve. Pushing the lever forward toward the tip opens the vacuum. Moving the lever toward the hose end decreases the vacuum flow. To close the valve, move the lever all the way toward the hose end. HVE Lever Valve SE Lever Valve A Clean Water System Operation of the clean water system is as follows: Flip the toggle switch (A) to the ON position. If optional city water is in use, flip the toggle switch (B) to change usage from city water to bottle water. Check the gauge (C) pressure. It should read 40 PSI. To adjust water pressure, turn the set screw (D) on the regulator located on the underside of the manifold. To remove the bottle (E), first flip the toggle switch (A) to the OFF position, then unscrew it from the assembly. C D B Closed Open Closed Open Fiber Optics (Optional) E The fiber optics control is automatically activated by operating the handpiece using the foot control. NOTE: When the foot control is released, the fiber optics light will stay on for approximately ten seconds to allow inspection of the cutting site. Simplicity Hygiene Unit 23

25 Section VI Care Cleaning The Simplicity Hygiene Unit should be cleaned as follows: Wipe frequently with a damp, lint-free cloth. Use a neutral detergent to clean stains. CAUTION Do not use abrasive cleaning agents. At the end of the day, turn the master ON/ OFF valve to the OFF position and clean the instrumentation. Each morning, turn the master valve ON and check the air and water system for proper operation using the three-way syringe. NOTE: It is recommended that puncture-resistant nitrile gloves be worn for the following procedures: High-Volume Evacuator With the HVE vacuum valve in the OFF position, disconnect the valve. Using a brush, clean the interior of the valve under a faucet, and rinse thoroughly. Saliva Ejector Disconnect the SE valve from the tubing and repeat the procedure described for the HVE. Solids Collector To clean the solids collector, located on the bottom of the delivery head, do the following: 1. Push the lever on the saliva ejector downward to equalize pressure. 2. Remove the solids collector by unscrewing the bottom cover and take out the screen. 3. Empty debris and wash out the screen with warm water, then replace the screen and cover. Clean Water System Empty the bottle at the end of each day. Then before the day's first procedure, fill it with fresh clean water. Simplicity Hygiene Unit NOTICE Cleaning brushes and SlugBuster TM can be ordered through DentalEZ dealers. Disinfecting NOTE: After cleaning the high-volume evacuator, saliva ejector and solids collector, evacuate two cups of SlugBuster vacuum line cleaning solution (one cup each) through the highvolume evacuator and saliva ejector to sanitize the system. CAUTION Avoid using disinfectants in spray containers because they may cause premature staining, discoloration and/or damage to the unit. Liquid disinfectants are recommended for use on all Simplicity Hygiene Unit external surfaces and should be applied using a soft, clean cloth. CAUTION Do not use disinfectants that contain any of the following: Iodophors Glutaraldehydes Phenols Sodium Hypochlorites Alcohol on plastic surfaces Use extreme caution when selecting the proper chemical disinfectant for the Simplicity Hygiene Unit. NOTE: *Cavicide is the recommended disinfectant for use on all external surfaces. *Cavicide is a trademark of Micro Aseptic Products, Inc. 24 Installation, Operation and Care Manual

26 Section VII User Service Information A fold-out, full-color delivery system tubing diagram is located at the end of this manual. The following charts should be used when troubleshooting operational problems. If these suggested troubleshooting procedures do not resolve the problem, see the Service Instruction on Page 28. WARNING Exercise extreme caution when troubleshooting the electrical components of the Simplicity Hygiene Unit. When testing, always disconnect the external power. When electrical power is required, safety precautions must be followed. S ymptom Possible Cause(s) Delivery Head Solution Unit will not turn on. Unit has no electric power. Unit air. has no No water (hand-piece & syringe) Air in coolant water. No air to master switch. Faulty master switch. Faulty air pilot valve. No building power. Faulty electric switch. Inproper outlet voltage. Unit is not turned on. Air stop valve is closed. Pinched air line. Faulty air pilot valve. Water toggle is in O FF position. No water in clean water bottle. Pressure regulator not adjusted. No air to bottle water system. Slide clamp is clamping line. Unit has not been purged. Faulty water control valve. Open stop valve in floor utility box. Open and adjust air regulator to 80 PSI. Check for pinched red 1/8" tubing in arms. Turn switch on and verify air flow. Verify an air supply to top fitting of valve. If air is present at top fitting of valve, verify air to foot control tubing. If no air at tubing, valve is defective. Check main circuit supply. Contact electrician. Verify proper outlet voltage in USC. Ensure master toggle valve is in O N position. Turn stop valve on and verify 80 PSI on air gauge. Check for pinched or restricted 1/8" red tubing from floor utility box to the master switch. Check barbs for blockage. If none, replace valve. Place Fill bottle. the CMU switch plate toggle in O N position. Ensure clean water system gauge reads 40 PSI. Check for pinched or restricted airline. Move clamp to allow water flow through line. P urge water lines. (See Pages ) If unit was purged, replace water control valve. Simplicity Hygiene Unit 25

27 Section VII User Service Information Simplicity Hygiene Unit Delivery Head (continued) S ymptom Possible Cause(s) Solution Water flush f ails to operate. Water toggle is in O FF position. No water in clean water bottle. Faulty water flush toggle valve. Place toggle in O N position. Fill clean water bottle. If water is present at valve, but not flowing, replace valve. Handpiece S ymptom Possible Cause(s) Solution No drive air. No fiber optic light at handpiece. Drive air flow adjustments pinch valves are closed. on Faulty handpiece holder valve. Faulty foot control. Pinched or restricted tubing. Power transformer is not plugged in. Internal wires in control head and post-mounted console are not connected. No signal air to fiber optic lamp control. Faulty transformer. Faulty fiber optic control. Faulty bulb. No signal air to receptacles in the USC. Using a screw driver, turn adjustment screw counterclockwise to adjust drive air pressure. Set to manufacturer's recommended pressure. If manifold does not release with handpiece out of holder and tubing to holder is not restricted, replace hanger valve. Depress foot control. If no air is present, repair or replace foot control. Straighten or replace the 1/4" red tubing. P lug transformer into designated receptacle in USC. Check connections in control head and post-mounted console. Check for pinched or restricted tubing. Check output for VAC. Fiber optic controls have a calibration range of 2.5 to 6.0 VDC. Check for proper voltage according to the handpiece manufacturer's recommendations. Replace bulb. Check for pinched or restricted tubing. 26 Installation, Operation and Care Manual

28 Section VII User Service Information Handpiece (continued) S ymptom Possible Cause(s) Solution No coolant water at any handpiece Water dribbles from handpiece while in holder. Water dribbles from handpiece after foot control is released. No coolant air to handpiece. Coolant water adjustment valve closed. Water toggle on foot control is in the O FF position. Water toggle on clean water system is in O FF position. Slide clamp is in clamped position. Water bottle empty. Pressure too low on clean water system. Pinched or restricted tubing. Faulty handpiece holder. Pinched or restricted tubing to holder. Pinch valve leaking. Low air pressure. Low air pressure. diaphragm is Faulty water control valve. Faulty water control. relay in foot Pinched or restricted tubing from foot control. Slide clamp is in clamped position. Pinched or restricted tubing. Turn valve counterclockwise to open valve. Flip Flip toggle to the right for the toggle to the O N position. O N position. Slide clamp so it moves freely on tubing. Fill water bottle. Verify clean water system pressure adjust accordingly. Straighten or replace tubing. Repair or replace holder. Straighten or replace tubing. Replace diaphragm. gauge reads 40 PSI and Ensure air regulator gauge in floor box reads 80 PSI. Ensure air regulator gauge in floor box reads 80 PSI. Depress foot control then release. Remove black tubing from water control valve. If dribble continues, replace valve. Turn unit off. Open foot control and inspect water relay block. If piston is not damaged and is moving freely, stretch the spring. Reassemble and retry foot control. Straighten or replace tubing. Reposition slide clamp so it moves freely on tubing. Straighten or replace tubing. Simplicity Hygiene Unit 27

29 Section VII User Service Information Simplicity Hygiene Unit S ymptom Possible Cause(s) Arm System Solution Horizontal arms drift left or right. Unit head is not level from front to back. Adjustable arm does not hold position. Unit Pivot is not properly leveled. is not properly adjusted. Improper adjustment. Faulty brake switch. No air to brake switch. Verify unit is level. Also, verify arms are properly seated. Adjust tension or set screws as needed. Remove end necessary. cap cover and adjust bolt as With nothing on delivery head, adjust the bolt at the rear of the flex arm so unit stays in place. Make sure air is running through the brake toggle when the brake is on. Ensure unit master toggle is in O N postion. WARNING Do not modify this equipment without authorization from the manufacturer. WARNING The power module power cord is not replaceable by service personnel. Service Instruction If the problem is not addressed or cannot be isolated by performing the suggested troubleshooting procedures, contact your local DentalEZ full-service dealership. (See Limited Warranty, Page 35.) Be prepared to supply the following product information: Model Name Model Number Serial Number (Model and serial numbers found on the underside of the delivery head chassis.) Date of Installation Model & Serial Number 28 Installation, Operation and Care Manual WARNING Before servicing, always disconnect the external power by unplugging the unit from the power receptacle. NOTICE The DentalEZ Technical Service Department is available to supply service personnel with any additional information or instructions needed to repair or maintain the dental delivery system. Disposal of Equipment Disposal and Decommissioning of DentalEZ product Note: All local regulatory requirements for disposal and decommissioning of equipment apply. Electrical Salvage: Remove all circuit board and electrical cabling for recycle as electrical salvage. Metal Salvage: Remove all aluminum and steel components for recycle as metal salvage. Plastic Salvage: Remove all plastic components for recycle as plastic salvage. Biologically Contaminated Salvage: Cuspidor, waste lines from the cuspidor, and the oral extraction lines should be handled with precaution and disposed of appropriately. Non-Salvage Components: All other material unsuitable for recycling should be disposed of properly.