SN: ELECTRONIC TAYLOR MODEL C AIR PACKER

Transcription

1 SN: ELECTRONIC TAYLOR MODEL C AIR PACKER Choice Bagging Equipment, Ltd 4808 N. MAIN STREET Taylor, Texas Phone: (512) Fax: (512)

2 Table of Contents Forward... Page 4 Important Notice... Page 4 General Information... Page 4 Chapter 1 - General Warnings 1. Before Operating Equipment... Page 5 2. When Operating Equipment... Page 5 Chapter 2 - General Information 1. Inspection... Page 7 2. Installation... Page 7 3. Test Running... Page 7 4. Electrical Information... Page 8 Chapter 3 - Initial Set Up 1. General Information... Page 9 2. Set Up Procedure... Page 9 3. Set Up Meter... Page 9 4. Set Zero... Page 9 5. Set Gain... Page 10 Chapter 4 - Alternate Calibration Using a Weigh Scale 1. General Information... Page Set Cut-Off Weight... Page Weigh Trac... Page Simplified Instruction... Page 11 [Figure 5 - Internal Controls] [Taylor-EDE Weigh Controller] Chapter 5 - Electric Load Cell Information 1. Installation and Start Up Procedures... Page General Warnings... Page Load Cell Information... Page First Time Calibration... Page Load Cell Trouble Shooting Chart... Page 16 [Digital Air Packer schematic] [Taylor Model C Air Packer schematic] [Taylor Model C Air Packer schematic] 2

3 Chapter 6 - Parts List - Taylor Air Fill Packer... Page 20 [Model C schematic] Chapter 7 - Electronic Filling Spout... Page 22 [Model C Electronic Filling Spout schematic] Chapter 8 - Parts List for Electronic Filling Spout... Page 24 [Fill Spout schematic] Chapter 9 - New Model Knife Valve... Page 26 [New Model Knife schematic] Chapter 10 - Blowers... Page 28 Chapter 11 - Cylinders... Page 33 Chapter 12 - Blower Installation & Trouble Shooting... Page 36 Chapter 13 - Maintenance/Lubrication Procedure... Page 37 [Blower schematic] Chapter 14 - Service and Parts Manual... Page Installation Instructions... Page Motor Wiring - Diagram "A"... Page Motor Wiring - Diagram "C"... Page Motor Wiring Diagram D Page 42 Chapter 15 - Disassembly & Re-assembly for Inspection and Cleaning... Page Disassembly for Bearing, Motor or Blower Housing... Page Bearing Replacement... Page Bearing Types and Lubricants... Page Re-Assembly and Re-shimming... Page Impeller Shimming Procedure... Page 44 A. Impeller Shimming and Installation Procedure B. Shimming Procedure C. Impeller Installation & Check [Assembly Diagram #1] [Assembly Diagram #2] Chapter 16 - Parts Lists... Page 48 Chapter 17 Low Pressure Blower. Page 52 Chapter 18 Schematic Drawings.. Page 70 3

4 Forward This manual has been prepared to assist you with the initial set up and daily operation of your Taylor C Air Packer. The text contains instructions for installation and operation as well as directions for adjustment and maintenance. Important Notice READ THIS MANUAL COMPLETEY before installing, starting up or operating your equipment. Be certain all personnel concerned with the routine operation of this equipment are fully alerted to the possible HAZARDS of the equipment and its utilities (electrical and pneumatic) before any operation is allowed. Choice Bagging Equipment, Ltd. cannot emphasize enough the importance of good safety practices in the use of this equipment. Sound engineering and design practices have been applied to minimize the possibility of accidents, however while using equipment of this type, good judgment and extreme caution is necessary on the part of all personnel. General Information Throughout this manual the words CAUTION and WARNING messages appear. Unless noted otherwise, the work CAUTION appears where failure to observe its message could cause damage to the equipment. The word WARNING appears where failure to observe its message could cause damage to the equipment and/or serious injury to personnel. Please read through the manual and make sure operators understand operational guidelines and know maintenance tips and guidelines. 4

5 Chapter 1 - Warnings and Precautions The purpose of this section is to alert operating and maintenance personnel to the possible dangers of this type of equipment. Serious injury and/or equipment damage could result from not heeding these safety precautions. 1. Before Operating Equipment A. Any personnel working directly with or on this equipment should read this manual before proceeding with equipment use. B. Electricians should familiarize themselves with the electrical drawings before initial start-up of equipment C. Other appropriate operating and maintenance personnel should familiarize themselves with mechanical layout and general arrangement drawings before tart-up of equipment. D. Determine location of all emergency switches. E. Be sure all guards are in place and observe all warning signs. F. Check oil level in all motors. G. Be sure electrical equipment is free of any accumulation of water. H. Be sure all personnel are clear of operating mechanisms before connecting air. I. Never start equipment without first checking for loose objects, tools and trash. All persons in the immediate area of the equipment should be alerted prior to starting. 2. When Operating Equipment A. Observe extreme caution when switches are turned on. Operation may begin automatically after a time delay. 5

6 B. Do not open junction boxes or control panels unless you are a qualified electrician. Be sure power is off. Except when electricians are performing maintenance, electrical enclosures and junction boxes should always be securely closed. C. Stop machine and disconnect power supply before servicing or repairing. Maintenance and adjustments must be performed with all power supply disconnected unless otherwise specified in this manual. D. Do not attempt to defeat any safety switches. Serious injury could result. E. While machine control power is on, do not activate limit switches manually. Serious injury and/or machine damage could result. Disable machine before attempting any maintenance or manual testing of components. F. Gear motors will get warm to the touch and should not cause concern for equipment reliability and operation. A temperature rise is normal per new NEMA specifications. G. If additional wire runs are added to any junction box or control panel, wiring practice should be such as to maintain prevailing electrical hazard classification. H. High-pressure air systems are dangerous. Do not service or troubleshoot systems with air supply on. Be sure to bleed off any trapped air before working on components since it is possible to have high pressures trapped in airlines and cylinders, etc. I. Keep fingers, hands, feet, etc., out of path of pneumatically operated components. J. Safety glasses should be worn in equipment area. K. Follow the safety regulations for your plant. Always use good judgment. 6

7 Chapter 2 - General Information 1. Inspection The Taylor Model C, Air-Fill Packer is designed to give years of trouble free service with a minimum of upkeep. A few simple precautions will prolong its life and effectiveness. Upon receiving your packer, un-crate it, stand it up and examine it for shipping damage. If there is damage of consequence, you may file a claim with the freight lines immediately. This is a good time to check all nuts and bolts and wiring and the placement of parts. Using this manual examine the machine for parts and their respective numbers/descriptions. 2. Installation Once you have made the initial inspection, proceed to position the packer under your existing bin. Standard packer height is 72 inches, from floor to top of valve hold down ring. This ring may be removed and adapted to the existing bin. If welding is necessary, the ring must be removed, as welding in place will damage the rubber seal on the inlet valve. You will note that the inlet butterfly valve, when open, extends above the ring. This should present no problem, as it will open into the bin or transition above. Just be sure you do not obstruct its movement. The fit to the bin should be as tight as possible, as some air will escape up through the valve, when machine recharged with material. A loose fit will allow dust to escape Make electrical connections as described in the electrical section. Packer is pre-wired before shipment except service line. Connect the air line to the air filter-regulator on back of packer. Air supply of at least six cu.ft. per minute at lbs pressure is supplied by customer. Pressure is not to exceed 125 lbs. Fill air lubricator bowl with ten weight oil and adjust so that one filling of oil will last for at least 60 days of operation or one drop every 15 to 20 bags. It is very important to use the right amount of oil. Too little oil will cause excess discharge and gum to form in the control valves. With all connections made, turn "OFF/ON" switch on and check rotation of blower. If rotation is backwards, interchange L2 and L3 to reverse rotation. 3. Test Running With switch on and the blower running, cycle machine by hand through a few dry runs. Depress the bag actuator switch. The inlet valve and pop off valves should close, causing air to exit out through filling 7

8 tube. Now, life scale beam "UP" to complete cycle. The inlet valve and pop off valve should open and the bag kicker will extend. Operate through a few cycles. Should any of the above items not operate, "CHECK" the air pressure on all electrical connections, micro switches, and make sure the ground wire is connected. Now place an empty bag on the filling tube and push on the spout until the bag depresses the start switch lever and therefore, shifts the machine to the filling position. Adjust the bag kicker up or down until there is approximately one inch clearance between it and the bottom of the bag. It may be necessary to fill a bag or two to get the adjustment just right; then lock it in place. The bag and the bag kicker should not be in contact during the filling cycle. When bag is filled to desired weight, flow of material will stop and kicker will automatically raise and push filled bag from the filling tube. When all systems check out, proceed to bag material. Check weight of the first bag. Increase weight by moving scale weights back, decrease by moving scale weight forward on the scale beam. Fill and check the first few bags until the proper weight is achieved. Pivot bearing of scale beam until weight counteracts predetermined selling of scale weight, thus raising beam and activating scale beam limit switch causing pop-off valve to open - immediately and depressurizing hopper. The inlet valve will open and allow the hopper to recharge with material and the bag kicker will eject filled bag from filling tube. Place another bag on the filling tube immediately to repeat cycle. This machine is a relatively simple machine to operate and service. Become familiar with its parts and operation and most problems will be small. 4. Electrical Information Entrance for power supply to starter enclosure of the machine must be three-phase, 220/440 Volt. Your machine comes from the factory pre-wired for 220 Volt, three-phase unless otherwise specified. Motor rotation can be reversed, if necessary, by interchanging L2 and L3 leads of the starter enclosure. 8

9 Chapter 3 - Initial Set Up 1. General Information Most scales and IBC units are shipped with spouts and/or load cells removed or unattached to protect them during transit. Packers and check weigh scales are shipped in a locked position for protection. Upon receiving a unit, always completely install it and perform any construction in the area before installing, attaching or unlocking the load cells. All electrical weigh controllers shipped on new units will have been set up, zeroed, and calibrated for that particular unit. Once installed and put in use all the owner-operator need be concerned with is ZERO and GAIN calibration. Although these functions have been preset at the factory, they must always be rechecked and recalibrated before putting the unit into service. ZERO is to be adjusted as required. The GAIN calibration should be checked monthly. 2. Set Up Procedure A. Weight Display - Pre-set on new units. Perform only when installing a new weigh controller or display board. B. Turn Power "ON" C. Set Decimal Point - Use the small white switches in red molding on the back of the display board. Flip these switches to read 0000 pounds, Tenths, Hundredths. Normally weights 0 to 10 pounds will be in hundredths, pounds in tenths, and the larger weights in pounds. 3. Set Meter Range The meter should be set to read just a few pounds higher than the heaviest weight you will be weighing. For example, for one hundred pound weighments, set the meter at one hundred and ten (110) pounds, etc. This will put it in the best range for that job. To set the display meter range, hold the set point switch over, turn the set point know all the way up, use a small screw driver to adjust the display calibration pot to make display read slightly higher than the expected weight. 4. Set Zero This is the one you will use the most often. Use the knob on the outside face of the box to zero the spout, tare off empty bag weight, etc. Inside switches are preset on new units. Use the switches only if you run out of zero on the outside knob, add weight or replace the weigh controller on the main board. 9

10 To set up: Center the outside zero knob. It will turn ten turns. Turn it all the way up, then back five turns to center. Now look in the lower right hand corner of the main board - you will see two sets of small white switches in red moldings. The set on the "LEFT" controls the ZERO function. The set on the "RIGHT" controls the GAIN function. Flip the LEFT hand switches until you achieve a reading near zero. There is always a combination that will work. Get the closest possible reading, and then make the final zero with the outside knob. 5. Set Gain This is your weight calibration step and must always be checked when starting a new unit, then monthly. Always perform the calibration step when a new weigh controller or board is changed. A certified scale mechanic may also do this step to certify the scale. After zeroing the unit hang or place a certified scale weight on the spout or platform, observe the weight reading. If it is close, adjust the GAIN via the small pot on the inside near the switches. Use a very small screw driver and adjust carefully. If the weight reading is quite off, flip the small white switches on the RIGHT to bring the reading close to the calibration weight. Then make the final adjustment with the small pot. Be careful and precise in these adjustments. Now remove the weight and readjust the zero. Place the weight back on the scale, readjust the GAIN. It will take three or four adjustments to get the proper calibration. Your unit is now calibrated. 10

11 Chapter 4 - Alternate Calibration Using a Weigh Scale 1. General Information It is sometimes more convenient to use a check weigh scale for calibration purposes or as the final check. Using this method you will still go through the first calibration steps to get close, but you may use a pre-weighed bag or box for example, to set the gain switch and gain pot. Now be sure the unit is zeroed, make a weighment, observe the weight reading on the weight controller, place the weighment on check weigh scale, and compare the weights. If the two weights do not agree, "tweak" the gain pot up or down as required. Repeat several weighments until the weight controller reading agrees with the check weight scale and you have now calibrated the unit to the check weight scale. 2. Set Cut-Off Weight This is the point you want the fill cycle to stop at to achieve the desired weight. The cut off point will usually be slightly less than the desired weight as some material will be in transit. Single Set Point - Hold set point switch over, dial in desired weight with set point knob. Double Set Point - Hold set point switch over to position one (1), dial in fast fill cut- off point with set point one (1) knob. Hold switch to position two (2) and dial in the final cut-off point with set point two (2) knob. 3. Weigh Trac Select target weight - dial in exact target weight desired with target knob. Select early cut-off - (where supplied) - dial in fast fill cut-off point. Select cut-off - dial in cut-off point. Return selector switch to weight. A little trial and error may be required the first time. Set a weight, run a few weighments, then adjust the cut-off up or down until you get the weighments you want. 4. Simplified Instructions A. Turn POWER "ON" B. Set DECIMAL point 0000 Pounds Tenths Hundredths C. Set METER RANGE Hold set point switch 11

12 Turn set point knob all the way up Adjust meter pot to read slightly higher than expected weight. D. Set ZERO Center outside zero knob Flip inside left hand set of switches until near zero Make final zero with outside knob E. Set CALIBRATION Hang or place calibration weight on the unit Flip inside right hand set of switches until near weight Make final calibration with small grey pot inside Remove weight Adjust zero and pot three or four times or until zero and calibration weight read correctly F. Set CUT-OFF WEIGHT To achieve desired weight On Weigh Trac units, set Target and Cut-Off weight Cut-Off will normally be below Target Weight *Perform steps 2 and 3 on FIRST TIME START UP ONLY. *Adjust ZERO as required. *CHECK CALIBRATION MONTHLY. 12

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15 Chapter 5 - Electronic Load Cell Information 1. Installation and Start-Up Procedures While the load cell and electronic control box are very reliable once installed, extreme care must be used when making the installation. A shock load will destroy a load cell. Therefore, use extreme care when making the installation. NOT COVERED UNDER WARRANTY. 2. General Warnings DO NOT DROP TOOLS OR OTHER ITEMS ON SPOUT DO NOT PULL, PUSH OR PRY SPOUT HOLD THE FRAME TO MOVE THE PACKER DO NOT LOOSEN OVER TRAVEL NUTS TO RELEASE SPOUT UNTIL ALL OTHER WORK IS COMPLETED. DO NOT OPERATE THIS EQUIPMENT UNTIL YOU HAVE READ AND UNDERSTOOD THIS MANUAL AND THE BASIC OPERATION OF THE MACHINE. 3. Load Cell Information The load cell and spout have been equalized and adjusted at the factory. DO NOT change the linkage. Observe the over travel adjustment nuts - two on each side of spout. The top nut on ech side is adjusted properly. The bottom nut on each side has been threaded up to lift the spout up enough to take the weight off the load cell and to lock the spout in place for shipment. After installation work is complete, using a wrench, back the two bottom lock nuts down until the load cell linkage is supporting the spout and there is about one-sixteenth (1/16) inch gap between bottom nut and ear. 4. First Time Calibration When calibrating the scale, it is necessary to hold the filled bag on the spout to observe weight reading. To hold bag in place, see the small air valve just back of the meter box. Push down on the bottom to hold the bag in place. Open to eject a bag. Close the valve any time to hold a bag on the spout to observe weight or to stop bagging. 15

16 5. Load Cell Trouble Shooting Chart PROBLEM POSSIBLE CAUSE REMEDY Bag Weights Not Consistent Machine Works Sluggishly No response when bag is applied to filled tube. Bag will not eject. Bag does not eject properly. 1. Scale Beam bearing tight or frozen. 2. Hopper leaking air, not maintaining proper pressure. 3. Bag resting on kicker plate while bag is filled. 4. Start lever not retracting. 5. Scale switch loose. 6. Main control valve sluggish. 7. Air pressure. 1. Shortage of compressed air. 2. Main control valve not shifting properly. 3. Foreign object blocking path of fluidized material from hopper to bag. 4. Blower intake plugged or restricted. 1. Start switch not fully shifted. 2. Start switch not making or breaking circuit. 3. Broken wire or loose connections. 4. Solenoid not properly grounded. 5. Coil bad on main control valve. 6. Main control valve not shifting. 1. Scale limit switch not working. 2. Scale limit switch not adjusted properly. 3. Coil bad on main control valve. 4. Main control valve not shifting. 1. Kicker control valve set too fast. 2. Kicker control valve set too slow. 1. Lubricate or replace pivot bearings. 2. Stop leaks by plugging holes or replacing worn parts. 3. Lower kicker assembly. 4. Adjust lever or replace spring. 5. Reposition switch and tighten. 6. Repair or replace. 7. Must maintain proper pressure of at least 100 lbs. 1. Check for restrictions or a plugged filter element. 2. Repair or Replace. 3. Remove transfer box and inspect for obstruction. 4. Remove obstruction. 1. Re-djust switch or re-align start lever. 2. Replace switch. 3. Check all connections and wiring. 4. Check connection. 5. Replace coil or complete valve. 6. Free spool and lubricate or replace valve. 1. Replace switch. 2. Re-adjust switch. 3. Replace valve or complete valve. 4. Free spool and lubricate or replace valve. 1. Turn knob on control valve clockwise to slow up kicker action. 2. Turn knob on control valve counter-clockwise to speed up kicker action. 16

17 DIGITAL AIR PACKER 17

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20 Chapter 6 - Parts List Taylor Air Fill Packer - Model C NO. DESCRIPTION REQ'D 1 Valve Hold Down Ring 1 10" Butterfly Valve 1 Packer Hopper 1 Main Frame 1 Hopper Transfer Box 1 Hopper Transfer Box Gasket 1 Bag Kicker 2 Bag Kicker Mounting Bracket 1 Filling Spout 1 Flex Leaf 1 Flex Leaf Clamp - 2 Hole 1 Flex Leaf Clamp - 3 Hole 1 Spout Connection Hose 1 Scale Beam 3 Scale Beam Bearings 1 Scale Beam Weight 1 Scale Beam Weight 1 Kicker Cylinder Clevis 1 Kicker Clevis Bearing 1 Butterfly Actuating Arm Assembly 1 Compressor 5 HP or 10 HP 1 Pop-Off Valve Nut 1 Cotter Pin 1 Pop Off Valve Disc 1 Pop Off Valve Jam Nut 1 Pop Off Valve Cylinder Nut 1 Pop Off Valve Access Door 2 Pop Off Valve Door Mounting Brackets 1 Motor Starter 1 Compressor Street Elbow 1 Compressor Reducer Bushing 2 Vibration Hose Nipple 1 Vibration Hose 2 1/4" 1 Compressor Elbow 45 Degrees 1 Bag Clamp Pad 1 Pop Off Cylinder Spacer 1 Feedgate Cylinder AERATION PACKERS ONLY 1 Aeration Transfer Box Model C Style 1 Clean Out Cover 1 Aeration Pad 1 Regulator 1 Gauge 0-15 PSI PART NUMBER 20

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22 Chapter 7 - Model C / Electronic Filling Spout 22

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24 Chapter 8 - Parts List for Electronic Filling Spout REF NO NO. REQ'D PART DESCRIPTION 1 1 Flat Top Spout - "Electric" 3 1 Bag Clamp Pad 4 1 5/16" Jam Nut 5 1 Bag Clamp Cylinder 6 2 1/8" NPT x 1/4" Hose Barb Fitting 7 1 Spacer Clevis 8 1 5/16" x 1-1/4" Bolt 9 4 5/16" Lock Washer /16" Nut /16" x 3/4" Bolt /16" x 1-1/2" Bolt /16" Flat Washer 14 1 Load Cell Holder 15 1 Load Cell " x 2-1/4" Allen Head Bolt (S/S) " x 1-1/2" Allen Head Bolt (S/S) 18 1 Load Cell Linkage /4" Nut /4" Lock Washer /4" Flat Washer /4" x 1-1/4" Bolt /4" x 1/2" Bolt /4" x 3/4" Bolt " Nylock Nut 26 1 Upper Front flex Leaf Holder 27 1 Upper Rear Flex Leaf Holder 28 1 Upper Flex Leaf 29 1 Lower Front Flex Leaf Holder 30 2 Lower Rear Flex Leaf Holder 31 1 Lower Flex Leaf /16" x 3/8" Allen Screws PART NUMBER 24

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26 Chapter 9 - Model No. New Knife Valve REP NO. NO. REQ'D PART DESCRIPTION MFG PART NO. 1 1 Main Frame Weldment 2 1 Top Plate 3 1 Cylinder Mount 4 1 Mating Ring 5 1 Inlet Sleeve Plate 6 1 Cylinder I 4-1/2" x 8 MP2 7 2 Side Guides (Long) 8 2 Read Slides 9 2 Side Guides (Short) 10 8 Threaded Studs 11 1 Push Rod Assembly 12 1 Urethane Bumper Seal.75 x 1.5 x Actuator Stop Collar 1-1/2" Set Collar 14 1 Jam Nut 15 1 Valve Retainer Bracket 16 1 Valve Operator Lever 17 1 Solenoid Valve 18 1 Clevis 19 1 Packing Bar Assembly (Three Part Set) 1 - Bar Collar 2 - Bronze Bushing 3 - Scraper Seal 20 1 Push Bar 21 1 Knife Gate S/S 22 1 Upper Wiper Seal with Holes 23 1 Upper Wiper Retainer 24 1 Lower Wiper Seal 25 1 Inflatable Seal Tube 26 1 Brass Coupling 1/8" NPT 27 1 Brass Street Elbow 1/8" NPT x 45 degrees 28 1 Brass Bulk Head Fitting 29 1 Brass Elbow 1/8" NPT x 90 degrees 30 1 Clean Out door 31 2 Door Hinge Spacers 32 1 Eye Bolt 33 2 Front Slides 26

27 6" KNIFE VALVE 27

28 Chapter 10 - Blowers 28

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33 Chapter 11 - Cylinders 33

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36 Chapter 12 - Installation Instructions, Trouble Shooting & Warranty Summary for SL & DR Blowers 1. EXCESS AIR - Bleed it off - DO NOT throttle to reduce flow. When bleeding off excess air the blower draws LESS power and runs cooler. 2. BOLT IT DOWN - Any unit must be secured against movement prior to start up or testing to prevent injury or damage. 3. WIRING - Blowers must be wired and protected/fused in accordance with local and national electrical codes. All integral motor blowers must be grounded to prevent electrical shock. 4. PIPING - All blowers, except SL series, should be piped, muffled and/or filtered prior to start up. Care must be taken so that no foreign material enters the blower. If foreign material does enter the blower it could cause internal damage or it may exit at extremely high velocities and endanger workers. 5. SUPPORT THE PIPING - The blower flanges and nozzles are designed as connectioin points only and are not designed as support members. 6. PRESSURE/SUCTION MAXIMUMS - The maximum pressure and/or suction as listed on the model decal should not be exceeded. This can be monitored by means of a pressure or suction gauge installed in the piping at the blower outlet or inlet. Also if problems do arise the factory will need to know the operating pressure/suction to properly diagnose the problem. 7. REMOTE DRIVE (MOTORLESS) BLOWERS - Properly designed and installed guards should be used on all belts, pulleys, couplings, etc. Due to the range of uses and drives guards are customer/user responsibility. CAUTION PLASTIC PIPING SHOULD NOT BE USED ON BLOWERS LARGER THAN 1 HP THAT ARE OPERATING NEAR THEIR MAXIMUM PRESSURE SUCTION. BLOWER HOUSING AND NEARBY PIPING TEMPERATURES CAN EXCEED 200 DEG. F. ACCESS BY PERSONNEL TO THE HOUSING OR NEARBY PIPING SHOULD BE LIMITED, GUARDED OR MARKED TO PREVENT DANGER OF BURNS. 36

37 Chapter 13 - Maintenance/Lubrication Procedure All models through and including DR-7 are equipped with sealed bearings and require NO maintenance. DR8's and larger are fitted with Alemite grease fittings and should be lubricated periodically according to the schedule below. LUBRICANT DUTY RE-LUBE SCHEDULE IN MONTHS Shell Dolium R Light 12 Medium 12 Heavy 6 NO. OF FULL STROKES EACH FITTING (2 INCH LONG STRING) Trouble Shooting Guide 37

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39 BLOWER MODEL DR-8 1. Installation Instructions Chapter 14 - Service and Parts Manuals Unpack blower and mount securely Connect blower to proper, protected (fuses or circuit breakers) electrical supply. Ground blower per local codes. Remove blower port plugs and job the power to check blower rotation direction. air should go in the the "IN" port and out the "OUT" port. Blowers 2HP and larger operated in the upper half of the pressure range will require metal piping for the first 10 to 15 feet. Connect system piping to the blower. Blower is now installed and ready to operate. WARNING CARE MUST BE TAKEN SO THAT NO FOREIGH MATERIAL ENTERS THE BLOWER. IF FOREIGN MATERIAL DOES ENTER THE BLOWER IT COULD CAUSE INTERNAL DAMAGE OR IT MAY EXIT AT EXTREMELY HIGH VELOCITIES. INLET OR INLINE FILTERS ARE RECOMMENDED TO PREVENT THIS DANGEROUS SITUATION. 39

40 2. Motor Wiring Diagram "A" - Single Phase 40

41 3. Motor Wiring Diagram "C" 41

42 4. Motor Wiring Diagram "D" 42

43 Chapter 15 - Disassembly & Re-assembly for Inspection or Cleaning CAUTION VERIFY THAT THE ELECTRICAL POWER IS "OFF" AND DISCONNECTED BEFORE DOING ANY WORK ON THE BLOWER. Remove cover bolts and remove cover. Observe and MAKE NOTES of the impeller orientation (Mark on the IMPELLER - "THIS SIDE OUT"). Remove the impeller bolt and the impeller. A wheel puller may be necessary to remove some impellers. CAREFULLY note the number and/or thickness of shims behind the impeller. Remove and set in a safe place. NOTE: IF WORKING ON A DUPLEX (double ended) BLOWER DO NOT MIX IMPELLERS OR SHIMS FROM END TO END. Cleaning or inspection can now be completed. Re-assemble the blower by reversing the above steps. 1. Disassembly for Bearing, Motor or Blower Housing CAUTION VERIFY THAT THE ELECTRICAL POWER IS "OFF" AND DISCONNECTED BEFORE DOING ANY WORK ON THE BLOWER. Remove the cover and impeller by following steps 1 through 4 above EXCEPT the shimming CANNOT be reused. The impeller must be re-shimmed by following the re-shimming procedure. Remove any piping, hoses, flanges, mufflers, etc., that may be attached to the housing. Remove the four (4) housing to motor bolts and remove the blower housing from the motor face. Remove the heat slinger, if used, from the motor shaft. The motor or housing can now be repaired as necessary. 2. Bearing Replacement Great care and proper tools MUST be used when replacing the bearings. Bearings are easily damaged and short life will result. Arbor presses or equivalent with proper fittings should be used for bearing removal and installation. 43

44 3. Bearing Types and Lubricants Bearings for motors 5 HP and smaller are double sealed type lubricated with Rheotemp 500 grease (or equivalent). Use of other lubricants may give shorter life to bearings. Bearings for motors 7.5 HP and larger are open, regreaseable type. The only two factory recommended lubricants are Shell Dolium R or Chevron SRI-2. (Some earlier 7.5 and 10 HP motors with inch diameter shafts contained sealed bearings and had no grease fittings). 4. Re-assembly and re-shimming Reassemble the heat slinger, if used, and the housing to the motor face. Re-Shim the impeller per the re-shimming procedure. Replace cover, cover bolts, and any piping, hoses, flanges etc. 5. Impeller Shimming Procedure A. Impeller Shimming and Installation Procedure: Tools Needed: Machinist's Parallel Bar Vernier Caliper with depth measuring capability Feeler gauges or depth gauge Goal: To center the impeller in the housing cavity. B. Shimming procedure: Measure the following: Impeller thickness 44

45 Distance from the flange face tot he housing at the highest point (A). Distance from the flange face to the motor shaft shoulder (B). Measurements (A) and (B) are made by laying the parallel bar across the housing flange face and measuring to the proper points. Each measurement should be made at three points and the average of the readings used. IF (A)=(B): Subtract the impeller thickness from (A) to get the total space remaining. Halve this number to get the shim thickness required. Install shims of that amount on the motor shaft IF (B) is greater than (A): The motor shaft shoulder is below the level of the housing. Subtract (A) from (B) and install that thickness of shimming on the shaft so that (A) = (B). Finish shimming per (A) = (B) above. IF (A) is greater than (B): The motor shoulder is above the level of the housing. Subtract (B) from (A) and make note of the difference. Proceed per (A) = (B) above EXCEPT subtract from the shimming in (A)=(B) shims equal to the difference just noted. Install the adjusted shim amount on the shaft. C. Impeller Installation & Check With the proper shimming on the motor shaft install the impeller and the impeller bolt & washer(s). Torque the impeller bolt per the following specifications: CHECK: Bolt Size Torque in-lb Torque ft-lb 1/ ± 3 6 ±.25 5/ ± ±.25 3/ ± 6 19 ±.5 1/ ± ± 1 5/ ± ± 2 As a final check the face clearance from the impeller face to the housing flange face must be measured. This is done with the feeler gauge and parallel bar or with the depth gauge. Measurements should be made at the impeller hub outer rim (at the base of the blades). Again measure at three points and take the average. The clearance should equal one half of the sum of the housing depth (A) minus the impeller thickness. The centering tolerance combined with the impeller runout can vary from ±.005 inches on the smallest blowers up to ± 0.12 on the largest blowers. 45

46 Assembly Diagram - DR101 & DR606 46

47 Blower Assembly Diagram - #2 47

48 Chapter 16 - Parts Lists 48

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52 LOW PRESSURE BLOWER MANUAL 52

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70 Chapter 18 Schematics 70

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