JARVIS. Model JC IV Air Powered Dehider SET OPERATING PRESSURE TO PSI

Transcription

1 Model JC IV Air Powered Dehider SET OPERATING PRESSURE TO PSI U.S. PATENT NO S: 5,122,092 & 7,163,453 EUROPEAN PATENT NO other patents pending EQUIPMENT SELECTION JC IV with 110mm Blade JC IV with 100mm Blade Coiled Air Hose (with fittings) Suspension Bracket Air Filter/Regulator Lubricator Tool Kit (Arbor Press not included) Vibration Tachometer TABLE OF CONTENTS... Page Safety Messages to Employer and Safety Director... 2 Safety Messages to Operators, Maintenance and Cleanup Personnel 3 Parts Diagram and List... 4 Specifications... 6 Installation Instructions... 6 Operation Instructions... 6 Maintenance Instructions... 7 PRODUCTS CORPORATION

2 safety messages to employer and safety director Model JC IV page 2 of 12 Keep hands clear SAFETY MESSAGES TO EMPLOYER AND SAFETY DIRECTOR AVOID INJURY 1. Remove and repair any tool that malfunctions. All personnel must be instructed to remove any malfunctioning equipment. 2. Ensure that all employees who use this tool are trained in the proper use of this tool and are aware of the dangers that may arise if they do not follow these procedures. 3. Enclosed are four (4) copies of NOTICE TO OPERATORS, MAINTENANCE AND CLEANUP PERSONNEL. Post one copy on the employees bulletin board; give one copy to the operator(s); give one copy to the maintenance foreman; and give one copy to the sub-contract cleanup / internal cleanup foreman. Additional copies will be provided upon request. 4. The tool is designed and intended to be powerful. This fact should be obvious to your employees, but you must emphasize it to them. 5. Never make modifications or alterations to the tool. Replace any missing or illegible labels. 6. Ensure that proper procedures are established (in accordance with OSHA s lockout/tagout procedures ) to prevent accidental startup. 7. HAND/WRIST/ARM injury and other Cumulative Trauma Disorders may result from repetitive work, motion or vibration. You must make your employees aware of hazards, symptoms of injury and appropriate prevention. See OSHA s Ergonomics Program Management Guidelines for Meatpacking Plants. 8. Follow our installation and maintenance instructions for proper installation and care the tool. 9. Avoid injury. Do not permit the tool to be misused. 10. If youresell or distributeajarvisproduct, youmust provide thepurchaser withthe appropriatesafety sheets and tool brochure. Additional copies of safety sheets and tool brochures will be provided upon request.

3 safety messages to operators, maintenance and cleanup personnel page 3 of 12 Model JC IV Keep hands clear SAFETY MESSAGES TO OPERATORS, MAINTENANCE AND CLEANUP PERSONNEL REMOVE ANY MALFUNCTIONING TOOL FROM SERVICE REPORT ANY PROBLEMS TO YOUR SUPERVISOR 1. Disconnect the air hose in accordance with OSHA s lockout/tagout procedures (29 CFR ) before making any blade changes. 2. Disconnect the air hose in accordance with OSHA s lockout/tagout procedures (29 CFR ) before performing any repairs or maintenance. 3. Disconnect the air hose - or have the air hose disconnected - in accordance with OSHA s lockout/tagout procedures (29 CFR ) before performing any cleanup. 4. Disconnect the air hose when the tool is not in use. 5. Never put fingers, hands or other parts of the body on the cutting edge or within the cutting path of the tool when it is connected to an air supply. 6. Always wear a cut -resistant glove on the hand that is not operating the tool. 7. Test the tool prior to use or daily. Depress the trigger and the tool should start. Releasethe trigger and the tool should stop. If the tool malfunctions, remove it from service and report or repair it immediately. 8. Never depress the trigger unless you want to use or test the tool. 9. Never make modifications or alterations to the tool. Report or replace any missing or illegible labels.

4 parts diagram and list Model JC IV page 4 of 12 C * B A * Always install bearing with seal facing the cover. ITEM PART NO. PART NAME QTY Cover Screw with item Grease Fitting Spring Lock Washer Blade Cover with item Wave Spring 1 6 Blade Set withitem mm Diameter mm Diameter Spacer with item Roll Pin Drive Mechanism Cover * Ball Bearing Crown Gear Lever Pin Cheese Head Screw Housing Assembly 1 (includes items 2, 13, 17 and 18) O-ring 1 ITEM PART NO. PART NAME QTY Alignment Bushing with 1 item Warning Label Bearing Retaining Insert Ball Bearing Eccentric Drive Shaft with 1 item Needle Bearing Lower Link Assembly with item Upper Link Assembly with item Counterweight Socket Head Cap Screw Blade Bushing Rest Pin Drive Assembly (includes items 2, , and )

5 parts diagram and list page 5 of 12 Model JC IV * Left Hand Thread ** *** * Always install bearing with shield facing the rotor. Bearing must be packed with grease prior to installation. ** Tighten to lbf--ft *** Install bevelled side toward funnel. ITEM PART NO. PART NAME QTY Pinion Gear Ball Bearing Front Spacer Front End Plate with item Roll Pin Vane Rotor Rear Spacer Sleeve Rear End Plate with item Wave Washer Ball Bearing Air Gland Assembly O-ring Funnel Motor Retaining Nut Flange External Retaining Ring O--ring Air Motor Assembly 1 (includes items 28-40) O--ring 1 ITEM PART NO. PART NAME QTY Plunger with item Compression Spring O-ring Air Valve Plug with item Valve Body Jarvis Label Drive Screw Quick Connect Plug Quick Connect Socket Socket Head Cap Screw Muffler Trigger Lever Dowel Pin JC IV Label Valve Assembly (includes items , 58 and 59)

6 specifications, installation and operation instructions Model JC IV page 6 of 12 SPECIFICATIONS Model JC IV Motor Power 0.7 hp 522 W Operating Pressure psi bar Air Consumption 16 ft 3 / min 0.45 m 3 /min Blade Speed (in oscillations) / min Control Handle Single Pneumatic Trigger Blade Diameters 3.9 in 100 mm 4.3 in 110 mm Overall Length 13 in 330 mm Weight 3.1 lbs 1.4 kg Vibration 126 db 2 m/sec 2 INSTALLATION INSTRUCTIONS 1 Make the necessary air connection. Jarvis coiled hose is available. 1.1 The required compressed air supply is psi, 16 ft 3 /min ( bar, 0.45 m 3 /min). 1.2 An air filter/regulator/lubricator (Jarvis part no ) must be installed in the air supply line. Keep the lubricator filled at all times. the full mark. (Use Jarvis Air Mist Lubricator Oil; if using a conventional air mist lubricator: set the feed rate at 5 drops per minute; if using amicro fog air mist lubricator*: set the feed rate at 100 drops per minute). *Almost all air mist lubricators are micro fog air mist lubricators. 2 Three times per shift, perform the following: 2.1 Grease all three grease fittings using Jarvis Grease Gun (part no ). Replacement Grease Cartridges (part no ) are available Grease fittings (items 2 A and 2 C ) with two (2) pumps of grease from 14 ounce gun Ensure that grease is getting into the eccentric shaft (item 20): grease fitting (item 2 B ) with four (4) pumps of grease from 14 ounce gun Jarvis 3 ounce push-type Grease Gun (part no ) and Jarvis White Grease (part no Lubriplate FML-2) are also available Use Jarvis (USDA approved) Air Mist Lubricator Oil. 1 Pint (0.47 L) Gallon (3.8 L) Gallons (18.9 L) OPERATION INSTRUCTIONS IMPORTANT: ALWAYS DISCONNECT THE COMPRESSED AIR SUPPLY IN ACCORDANCE WITH OSHA S LOCKOUT/ TAGOUT PROCEDURES (29 CFR ) WHEN INSTALL- ING OR REMOVING THE BLADE. Refer to the parts diagrams on pages 4-5 for referenced items. 1 Each day, before you begin operation, perform the following: 1.1 Make sure that the compressed air supply is at the proper pressure and that the lubricator oil is up to Note on grease gun tips: The illustrations above represent the type of grease gun tips that Jarvis recommends is a metal tip included with is a plastic nose included with is a metal 52 degree tip ( 3 / 32 inch radius) to be used with or without Included with is a round metal ( 7 / 64 inch radius) tip.

7 operation and maintenance instructions page 7 of 12 3 Prior to use or daily, perform the following test: 3.1 Make sure the control trigger is working correctly. Depress the trigger and the tool should start. Release the trigger and the tool should stop. If the tool malfunctions, remove it from service and report the problem to your supervisor immediately. MAINTENANCE INSTRUCTIONS IMPORTANT: ALWAYS DISCONNECT THE COMPRESSED AIR SUPPLY IN ACCORDANCE WITH OSHA S LOCKOUT/ TAGOUT PROCEDURES (29 CFR ) WHEN INSTALL- ING OR REMOVING THE BLADE. ALWAYS DISCONNECT THE COMPRESSED AIR SUPPLY IN ACCORDANCE WITH OSHA S LOCKOUT/TAGOUT PROCEDURES (29 CFR ) BEFORE PERFORMING ANY MAINTENANCE OR REPAIRS. Refer to the parts diagrams on pages 4-5 for referenced items. Refer to the fixture diagrams on page 8 and the assembly/ disassembly diagrams within the text for referenced fixture items. 1 THREE TIMES PER SHIFT: 1.1 Grease all three grease fittings using Jarvis Grease Gun (part no ). Replacement Grease Cartridges (part no ) are available Grease fittings (items 2 A and 2 C ) with two (2) pumps of grease from 14 ounce gun Ensure that grease is getting into the eccentric drive shaft (item 20). Grease fitting (item 2 B ) with four (4) pumps of grease from 14 ounce gun. 2 ONE TIME PER SHIFT: 2.1 Flush the air motor by squirting about 10 drops of Jarvis Air Mist Lubricator Oil directly into the air inlet and running the motor for about five seconds. 2.2 Make sure that the compressed air supply is at the proper pressure and that the lubricator oil is up to Model JC IV the full mark. (Use Jarvis Air Mist Lubricator Oil; if using a conventional air mist lubricator: set the feed rate at 5 drops per minute; if using amicro fog air mist lubricator*: set the feed rate at 100 drops per minute). *Almost all air mist lubricators are micro fog air mist lubricators. 2.3 Make sure air filter is cleaned and/or drained to prevent clogging of air gland assembly (item 40). 3 ONE TIME PER DAY AT END OF SHIFT: Wear cut protective gloves when handling blades. 3.1 Remove cover screw (item 1). 3.2 Remove items 3-5 and blade set (item 6 with items 26) by pulling up on and turning the blades. 3.3 Remove spacer (item 7) with roll pin (item 8). 3.4 Clean the drive mechanism cover (item 9). Do not remove the cover; merely clean the accessible part of the cover. 3.5 Clean the blades and the dehider with soap and water. 3.6 Sharpen the blades if necessary. 3.7 Spray or dip the dehider blades in USDA approved oil. 3.8 Grease the eccentric drive shaft (item 20) through grease fitting (item 2 B ) until grease appears through the drive mechanism cover (item 9). 3.9 Grease the housing (item 14) through grease fitting (item 2 C ). Two (2) pumps of grease from 14 ounce gun should be sufficient Run the dehider without the blades for approximately one minute or until excess grease stops flowing out the drive mechanism cover and all entrapped moisture is removed. Note: Steps should be performed at the end of the shift only. Do not wait until the beginning of the next shift to prevent residual moisture from damaging the bearings.

8 maintenance instructions Model JC IV page 8 of 12 Hex wrenches and are provided. The following tools are needed for effective assembly and disassembly of the JC IV: Drive Pin Fixture Complete Tool Kit Includes Fixtures Motor Wrench Fixture Assembly Fixture Fixture Arbor Press (not included in Tool Kit) Bearing Puller Fixture /8 inch Pin Punch Fixture /4 inch Pin Punch Fixture Vise Holding Wedge Fixture Place spacer (item 7) over alignment bushing (item 16). Roll pin (item 8) must fit into hole in drive mechanism cover (item 9) Place blade set (item 6 with items 26) over spacer (item 7) Place wave spring (item 5) into blade cover (item 4). The tangs on the end of the wave spring should align with the pockets in the blade cover Place the cover and spring over the bushing Place lock washer (item 3) into blade cover (item 4). The high end of the washer should face the head of the cover screw (item 1). See page Insert cover screw (item 1) and tighten. 4 SHAFT AND GEAR DISASSEMBLY: 4.1 Remove cover screw (item 1). 4.2 Remove items 3-5 and blade set (item 6) with items 26 by pulling up on and turning the blade set. 4.3 Push bushing (item 16) in towards housing (item 14) to remove spacer (item 7) with roll pin (item 8). 4.4 Remove bushing (item 16). 4.5 Remove screws (item 25). 4.6 Tap front of housing (item 14) with a rubber mallet to remove drive mechanism cover (item 9).

9 maintenance instructions page 9 of Remove drive assembly (items and 19-24) It may be necessary to rotate the crown gear (item 11) to allow the counterweight lobe on eccentric drive shaft (item 20) to clear the pinion gear (item 28). Model JC IV 4.12 Use fixture 3 and a 1/4 inch pin punch (fixture 6) to separate the lower bearing (item 19) from the eccentric drive shaft (item 20). See Figure 3: fixture 6 Figure Open fixture 4 and place drive assembly inside Make sure to insert fixture 4 between crown gear (item 11) and counterweight (item 24). See Figure 1. fixture 3 fixture 6 Figure 1 fixture Use a 1/4 inch pin punch (fixture 6) and an arbor press to press gear and bearing off eccentric drive shaft (item 20). See Figure Inspect for worn parts and replace if necessary Especially look at grease fitting (item 2) on eccentric shaft for damage during disassembly Examine the underside of the counterweight (item 24) for wear caused by the needle bearing (item 21). 5 GEAR AND SHAFT ASSEMBLY: See Figure 4: lower Figure 4 bearing counterweight lobe 4.10 Use fixture 4 to separate crown gear (item 11) and bearing (item 10). Use 1/4 inch pin punch (fixture 6) to complete the separation. See Figure 2. fixture 6 Figure 2 eccentric shaft crown gear upper bearing needle bearing lower link upper link spacer counterweight fixture Lift counterweight (item 24), link assemblies (items 22 and 23) and needle bearing (item 21) off eccentric drive shaft (item 20). 5.1 Press lower bearing (item 19) onto eccentric drive shaft (item 20). 5.2 Slide needle bearing (item 21) and link assemblies (items 22 and 23) onto eccentric drive shaft (item 20).

10 maintenance instructions Model JC IV page 10 of Be careful to orient link assemblies as shown in Figure Slide counterweight (item 24) onto eccentric drive shaft (item 20) Make sure to rotate counterweight until it aligns with the counterweight on eccentric drive shaft. The counterweight will move slightly toward the eccentric drive shaft counterweight when properly aligned. 5.4 Press upper bearing (item 10) onto crown gear (item 11) The seal on the bearing should face away from the gear. 5.5 Press crown gear (item 11) and bearing (item 10) onto eccentric drive shaft (item 20) using fixture 1 and arbor press. See Figure 5. Figure 5 fixture Use large end of fixture 1 to contact bearing on inner race. The hollow will clear the eccentric drive shaft as the bearing and gear slide over the eccentric drive shaft. 6 JC IV ASSEMBLY: 6.1 Place the drive assembly (items and 19-24) into housing (item 14) Link assemblies (items 22 and 23) should be in their proper slots in housing (item 14) Rotate the crown gear (item 11) until counterweigh lobe on eccentric drive shaft is away from the pinion gear (item 28). 6.2 Place alignment bushing (item 16) through housing (item 14). 6.3 Place drive mechanism cover (item 9) over bushing (item 16) and into housing (item 14). 6.4 Install screws (item 25). 6.5 Place spacer (item 7) over alignment bushing (item 16). Roll pin (item 8) must fit into hole in drive mechanism cover (item 9). 6.6 Place blade set (item 6) over spacer (item 7). 6.7 Place wave spring (item 5) into blade cover (item 4). The tangs on the end of the wave spring should align with the pockets in the blade cover. 6.8 Place blade cover and spring over the bushing. 6.9 Place lock washer (item 3) into blade cover (item 4). The high end of the washer should face the head of the cover screw (item 1). See page Insert cover screw (item 1) and tighten. 7 AIR MOTOR DISASSEMBLY: 7.1 Remove two screws (item 56). 7.2 Separate valve body assembly (item 52) from housing assembly (item 14). 7.3 Inspect o -ring (item 46) and replace if necessary. 7.4 Remove motor retaining nut (item 43) with fixtures 2 and 7. See Figure Insert narrow pins into motor locking nut (item 43). Use a 3/8 inch driver to rotate motor locking nut counterclockwise. fixture 2 motor retaining nut (right hand thread) Figure 6 fixture 7

11 maintenance instructions page 11 of Remove the air motor assembly ((items 28-45) Tap on the end of the housing (item 14) with a rubber mallet to dislodge the air motor components. 7.6 Remove retaining ring (item 45), flange (item 44) and funnel (item 42). 7.7 Inspect o -ring (item 41) inside of funnel (item 42) and replace if necessary. 7.8 Hold motor in soft jawed vise by clamping on wrench flats of pinion gear (item 28). Do not over tighten. 7.9 Unscrew air gland assembly (item 40) from rear end of rotor (item 34). Note: left hand thread must be rotated clockwise to remove Remove bearing (item 39) and wave washer (item 38) from back of rotor (item 34) Firmly grasp the motor barrel (item 36) while inserting a 1/8 inch pin punch (fixture 5) into threaded hole in rear of rotor (item 34). Pull rotor sleeve (item 36) and tap on pin punch to push rear bearing (item 39) off rotor shaft Remove rear end plate (item 37) from rotor sleeve (item 36) Slide rotor barrel (item 36) off rotor (item 34) Remove vanes (item 33) from rotor (item 34) Place 3 mm hex wrench into front end of rotor (item 34) and unscrew pinion gear (item 28) from rotor Press rotor through front bearing (item 29) to free front motor plate (item 31) and front spacer (item 30) Remove rear rotor spacer (item 35) from rotor Inspect all parts for wear and replace as necessary. 8 AIR MOTOR ASSEMBLY: Model JC IV 8.1 Pack bearings (item 29 and 39) with Jarvis White Grease (part no Lubriplate FML-2) prior to installation. 8.2 Install front (item 30) and rear (item 35) bearing spacers. 8.3 Slide front motor plate (item 31) over rotor (item 34). 8.4 Press front bearing (item 29) onto rotor using fixture The front bearing (item 29) shield must face toward rotor (item 34). 8.5 Screw pinion gear (item 28) onto rotor. 8.6 Install vanes (item 33). 8.7 Slide motor sleeve (item 36) over rotor. The ridge on sleeve faces pinion gear. 8.8 Install rear end plate (item 37). 8.9 Install wave washer (item 38) Use fixture 1 to press rear bearing (item 39) against rear spacer (item 35) Hold pinion gear in soft jawed vice by clamping on wrench flats of pinion gear (item 28). Do not over tighten Screw air gland assembly (item 40) into rear end of rotor (item 34). Note: left hand thread must be rotated counterclockwise to install Install o -ring (item 41) inside funnel (item 42) Slide funnel (item 42) onto rear end plate (item 37), being careful to align pin (item 32) in end plate with slot in funnel (item 42) Slide entire motor assembly (items 28-45) into housing (item 14) Tighten motor retaining nut (item 43) using fixtures 2 and 7, and a 3/8 inch drive torque wrench to lbf -ft. See figure 6.

12 maintenance instructions Model JC IV page 12 of Secure wedge block under tabletop (see Figure 7) or use with cover in a vise (see Figure 6) Insert dehider housing, with blade and blade cover removed, into opening to prevent rotation while tightening retaining nut. Figure If removed, install flange (item 44) and retaining ring (item 45) onto funnel (item 42) Be sure to install flange with bevelled toward the funnel Reinstall valve assembly and screws (item 56) Be sure to reinstall o -ring (item 46) if removed fixture 7 (3 parts) Rotate flange (item 44) until screws (item 56) in valve housing align with threaded holes in flange fixture 2