JARVIS. Model TWC -1 Tail, TWC -2 and TWC -4 Hog Toe Web Cutters. TWC--1 TWC--2 and TWC--4 EQUIPMENT... TABLE OF

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1 Model TWC -1 Tail, TWC -2 and TWC -4 Hog Toe Web Cutters TWC--1 TWC--2 and TWC--4 Patent Nos. 6,461,232 B1 6,648,746 EQUIPMENT SELECTION... Ordering No. TABLE OF CONTENTS... Page Model TWC--1 with Control Circuit Model TWC--2 with Control Circuit Model TWC--4 with Control Circuit Model TWC Model TWC Model TWC Balancer Control Circuit Air Hose (1/4 inch) Air Hose (5/32 inch) Cyl. Supply and Return Hose Notice to Employer and Safety Director... 2 Notice to Operators, Maintenance and Cleanup Personnel... 3 Parts Diagram and List... 4 Specifications Installation Instructions Operator Instructions Maintenance Instructions... 12

2 noticetoemployer and safety director Model TWC--1, TWC--2 and TWC--4 page 2 of 16 Keep hands clear. NOTICE 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 procedures outlined in this brochure. 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 (29 CFR ) to prevent accidental startup or release of stored energy. 7. Follow our installation and maintenance instructions for proper installation and care of the tool. 8. Avoid injury. Do not permit the tool to be misused. 9. If you resell or distributea Jarvis product, you must provide the purchaser with the appropriate safety sheets and tool brochure. Additional copies of safety sheets and tool brochures will be provided upon request.

3 notice to operators, maintenance and cleanup personnel page 3 of 16 Model TWC--1, TWC--2 and TWC--4 Keep hands clear. NOTICE 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 sharpening blades. 2. Disconnect the air hose in accordance with OSHA s lockout/tagout procedures (29 CFR ) before performing any repair 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 being used. 5. Never put fingers, hands or other parts of the body on the cutting edge, in the cutting path or in the path of the moving links. 6. Test the tool prior to use or daily. Depress each trigger separately and the blades should not close. Depress one trigger, then pause one second and depress the other trigger and the blades should not close. Repeat this procedure reversing the triggers. Depress both triggers simultaneously and the blades should close. With the blades closed, release one trigger and the blades should open. Continue holding the depressed trigger and then depress the other trigger. The blades should not close. Repeat this procedure holding the other trigger. If the tool malfunctions, remove it from service and report or repair it immediately. 7. Never depress the triggers unless you want to use or test the tool. 8. Never make modifications or alterations to the tool. Report or replace any missing or illegible labels.

4 parts diagram and list Model TWC--1, TWC--2 and TWC--4 page 4 of 16 Figure A Model TWC -1 for Tails a QTY = TWC--1 / TWC--2 / TWC--4 ITEM PART NO. PART NAME QTY Trigger Dowel Pin Trigger Set Screw Hex Head Screw 3/2/ Split Lock Washer 6/4/ Connector 3/1/ Dowel Pin Pipe Plug Lock Nut Trigger Guard Washer Cotter Pin Yoke, TWC Yoke Pin Friction Plate Link Bolt Blade Washer Blade Bolt Bushing Link with item Lock Nut Link Assembly with item Eye Bolt Hex Jam Nut Socket Head Cap Screw Street Elbow 1 b ITEM PART NO. PART NAME QTY Connector Quick Exhaust Valve Hex Pipe Nipple Street Elbow Elbow Tubing, 5 in ( a -- b ) Pipe Plug Pistol Grip Housing Threaded Pin Hex Head Screw Socket Head Cap Screw Handle Bracket Trigger Handle Hex Head Cap Screw 3/2/ Trigger Guard Spring O--ring Plunger with item O--ring Cartridge Housing w/item 47 2

5 parts diagram and list page 5 of 16 Model TWC--1, TWC--2 and TWC--4 Figure B Model TWC -2 a b Qty. = TWC--1 / TWC--2 / TWC--4 ITEM PART NO. PART NAME QTY Split Lock Washer Blade Guard Blade Spacer Upper Blade Upper Link Yoke, TWC Hex Nut Stud Linkage Guard Trigger Guard Dual Hdl. Hsg. with item Plastic Tubing Reducing Adapter Quick Exhaust Valve Reducing Adapter Cable Clamp 6/7/ Muffler Tee Fitting 1 ITEM PART NO. PART NAME QTY Socket Set Screw Roller Bracket Lower Right Blade Lower Left Blade Socket Head Cap Screw Button Head Screw Roller with item Roller Bushing Quick Exhaust Kit (items and 65)

6 parts diagram and list Model TWC--1, TWC--2 and TWC--4 page 6 of 16 Figure C Models TWC -1 and TWC -2 ITEM PART NO. PART NAME QTY O--ring Housing Front Plate O--ring Rod Bushing U--Cup Seal Washer Socket Head Cap Screw Internal Retaining Ring Piston Shaft, TWC Piston Shaft, TWC O--ring U--Cup Seal Piston Washer Lock Nut Danger Label Cylinder Sleeve Housing Rear Plate Tie Rod Seal Kit (items 75, 77, 79, 84 and 85) Rod Bushing Assembly (items and 82)

7 parts diagram and list page 7 of 16 Model TWC--1, TWC--2 and TWC--4 Figure D Model TWC -4 ITEM PART NO. PART NAME QTY Upper Link Link Bolt Linkage Guard Yoke Flat Head Socket Screw Roller Plate Dual Handle Housing Frame Bushing Yoke Pin Socket Head Cap Screw Blade Spacer Upper Blade Roller with item Roller Bushing Socket Set Screw, Dog Pt Blade Set (items 69, 70, )

8 parts diagram and list Model TWC--1, TWC--2 and TWC--4 page 8 of 16 Figure E Model TWC -4 ITEM PART NO. PART NAME QTY Rod Bushing U--Cup Seal Button Head Screw Piston Shaft Piston Washer Lock Nut Stud Seal Kit (items 77, 85 and 109)

9 parts diagram and list page 9 of 16 Model TWC--1, TWC--2 and TWC--4 Figure F Control Circuit for TWC -1, TWC -2 and TWC ITEM PART NO. PART NAME QTY Quick Connect Plug Air Filter Pipe Nipple Connector Air Fitting Air Manifold Hex Plug Air Lubricator Silencer Air Valve Plastic Tubing, 12 inch Plastic Tubing, 4 inch Button Head Cap Screw Valve Block Control Circuit Bracket 1 pg Air Hose, 80 inch 2 pg Plastic Tubing, 1/4 inch 6.7 ft pg Plastic Tubing, 5/32 inch 13.8 ft

10 specifications and installation instructions Model TWC--1, TWC--2 and TWC--4 page 10 of 16 SPECIFICATIONS Model TWC -1, TWC -2 and TWC -4 Operating Pressure 90 psi 6.2 bar Air Consumption / Cycle ft L at 90 psi or 6.2 bars Control Handle Dual Anti-tie-down Pneumatic Blade Opening TWC in 44.5 mm Blade Width TWC in 7.6 mm Blade Width TWC in 10.9 mm Overall Length 17.5 in 445 mm Weight 12.3 lbs 5.6 kg INSTALLATION INSTRUCTIONS Refer to Figures A - E for referenced items. Use Figure 1 as a guide for connecting air hoses from the TWC to the air control circuit. 1 Suspend the TWC from a balancer. Jarvis part number is available. 1.1 The TWC should have sufficient travel to allow the operator to reach the entire work area. 2 Suspend the air control circuit in a convenient location using the supplied bracket (item 130). 3 An air regulator must be installed ahead of the quick connect plug (item 116), before the air supply inlet to the air filter (item 117) and lubricator (item 123). 4 Make the necessary air connections. Note: Connect the air hoses to the TWC prior to connecting the air hoses to the control circuit. Refer to Figure The required compressed air supply is ft 3 / cycle at 90 psi (3.1 L / cycle at 6.2 bar). 4.2 Attach one grey cylinder supply hose ( ) from the TWC cylinder connector (item 29) located on the rear housing plate (item 91) to the control circuit top connector (item 29). 4.3 Attach the other grey cylinder supply hose ( ) from the TWC cylinder connector (item 29) located on the quick exhaust valve (item 30 or 62) to the control circuit lower connector (item 29). 4.4 Attach the 1/4 inch blue air hose ( ) from the connector (item 7) located on the left side of pistol grip housing (item 36) on the TWC -1 or from the tee fitting (item 66) on the left side of dual handle housing (item 59 or 99) on the TWC -2 or TWC -4 to the control circuit connector (item 119). 4.5 Attach one of the 5/32 inch blue air hoses ( ) from the elbow fitting (item 33 a ) on the right side of pistol grip housing (item 36) on the TWC -1 or on the right side of dual handle housing (item 59 or 99) on the TWC -2 or TWC -4 to the control circuit port labeled a. 4.6 Attach the other 5/32 inch blue air hose ( ) from elbow fitting (item 33 b ) on the trigger handle (item 41) on the TWC -1 or on the left side of dual handle housing (item 59 or 99) on the TWC -2 or TWC -4 to the control circuit port labeled b.

11 installation instructions page 11 of 16 Figure 1 Hose Connection Diagram Model TWC--1, TWC--2 and TWC--4 CONTROL CIRCUIT AIR FITTING CONTROL CIRCUIT TOP CONNECTOR CONTROL CIRCUIT LOWER CONNECTOR QUICK CONNECT PLUG CONTROL CIRCUIT PORTS AIR FILTER RIGHT SIDE OF HANDLE HOUSING REAR HOUSING PLATE LEFT SIDE OF HANDLE HOUSING TEE FITTING CYLINDER FITTING CYLINDER FITTING

12 operation and maintenance instructions Model TWC--1, TWC--2 and TWC--4 page 12 of 16 OPERATION INSTRUCTIONS IMPORTANT: ALWAYS DISCONNECT ALL AIR HOSES IN ACCORDANCE WITH OSHA S LOCKOUT/TAGOUT PROCEDURES (29 CFR ) BEFORE INSTALLING OR REMOVING A BLADE. ALWAYS DISCONNECT ALL AIR HOSES IN ACCORDANCE WITH OSHA S LOCKOUT/TAGOUT PROCEDURES (29 CFR ) BEFORE PERFORMING ANY MAINTENANCE OR REPAIRS. Use Figure 1 as a guide for connecting air hoses from the TWC to the air control circuit. 1 Connect all air hoses to the TWC. 2 Connect all air hoses to the control circuit. 3 Each day, before you begin operation, perform the following: 3.1 Make sure that the TWC moves freely on the balancer. 3.2 Make sure that the compressed air is at the proper pressure. 3.3 The TWC is equipped with dual anti -tie down control handles. Check for the correct operation of the dual anti -tie down control handles prior to useordaily. Depress each trigger separately and the blades should not close. Depress one trigger, then pause one second and depress the other trigger and the blades should not close. Repeat this procedure reversing the triggers. Depress both triggers simultaneously (within one half second of each other) and the blades should close. With the blades closed, release one trigger and the blades should open. Continue holding the depressed trigger and then depress the other trigger. The blades should not close. Repeat this procedure holding the other trigger. If the tool malfunctions, remove it from service and notify your supervisor immediately. 4 Making the cut: 4.1 Place the TWC in position on the carcass. 4.2 Depress both triggers simultaneously to close the blades. 4.3 Release either or both triggers to open the blades. MAINTENANCE INSTRUCTIONS IMPORTANT: ALWAYS DISCONNECT ALL AIR HOSES IN ACCORDANCE WITH OSHA S LOCKOUT/TAGOUT PROCEDURES (29 CFR ) BEFORE INSTALLING OR REMOVING A BLADE. ALWAYS DISCONNECT ALL AIR HOSES IN ACCORDANCE WITH OSHA S LOCKOUT/TAGOUT PROCEDURES (29 CFR ) BEFORE PERFORMING ANY MAINTENANCE OR REPAIRS. 1 DAILY: 1.1 Depress each trigger separately and the blades should not close. Depress onetrigger, then pause one second and depress the other trigger and the blades should not close. Repeat this procedure reversing the triggers. Depress both triggers simultaneously (within one half second of each other) and the blades should close. With the blades closed, release onetriggerand theblades should open. Continue holding the depressed trigger and then depress the other trigger. The blades should not close. Repeat this procedure holding the other trigger. If the tool malfunctions, repair or remove it from service immediately. Note: connect the air line to perform the above operation only. 1.2 Inspect all hoses for leaks, cuts and abrasions and replace if necessary. 1.3 Check all fittings for leaks and tighten or replace as necessary. 2 AS NECESSARY: 2.1 Inspect blades (items 18, 52 or 104, 69 and 70) for wear and sharpen or replace as necessary. Refer to Sections 3 and 4 for blade and link removal and installation procedures. 2.2 Disassemble, clean and inspect cylinder assembly. Refer to section 5 as a procedural guide.

13 maintenance instructions page 13 of 16 3 BLADE AND LINK REMOVAL: TWC Remove link bolts (item 17) and lock nuts (item 23). 3.2 Remove blade pivot bolt (item 20), lock nut (item 10) and washer (item 12). 3.3 Remove blades (item 18). Inspect for wear and sharpen or replace if necessary. Refer to Figure 2 for proper sharpening angle of blades. Figure 2 Blade Sharpening Angle TWC Remove cotter pin (item 13). Sharpen Here 3.5 Slide links (items 22 and 24) to extend piston shaft (item 83) and align yoke pin (item 15) with the holes on the front of pistol grip housing (item 36). 3.6 Remove yoke pin (item 15). Use a pin punch to drive yoke pin out through hole in pistol grip housing (item 36). 3.7 Remove links (items 22 and 24) from yoke (item 14) and inspect for wear. Replace bushings (item 21) if necessary. TWC Remove hex nuts (item 55) and linkage guard Model TWC--1, TWC--2 and TWC--4 (item 57). 3.9 Remove six (6) lock nuts (item 23) and roller bracket (item 68) Remove link bolt (item 17) and lock nut (item 23) Remove blade pivot bolt (item 20), lock nut (item 10) and washer (item 12) Remove upper blade (item 52) and lower blade assembly (items 51 and 69-71) Remove socket head cap screws (item 71) and blade spacer (item 51) Remove cotter pin (item 13) Slide upper link (item 53) to extend piston shaft (item 83) and align yoke pin (item 15) with holes on front of dual handle housing (item 59) Remove yoke pin (item 15) Use a pin punch to drive yoke pin out through hole in dual handle housing Remove upper link (item 53) and roller (item 73). Replace roller bushing (item 74) if necessary Inspect blades (items 52, 69 and 70) for wear and sharpen or replace if necessary. Refer to Figure 3 for proper sharpening angle of blades. Figure 3 Blade Sharpening Angle TWC -2 and TWC -4 Sharpen Here 3.19 Inspect all parts for wear and replace if necessary. TWC Remove two (2) top hex nuts (item 23) on cylinder studs (item 115) and linkage guard (item 95) Remove two (2) flat head screws (item 97) and roller plate (item 98) Remove link bolts (item 94) and lock nuts (item 23).

14 maintenance instructions Model TWC--1, TWC--2 and TWC--4 page 14 of Remove blade pivot bolt (item 20), lock nut (item 10) and washer (item 12) Remove upper blade (item 104) and lower blade assembly (items 69, 70, 102 and 103) Remove socket head cap screws (item 102) and blade spacer (item 103) Remove cotter pin (item 13) Slide upper link (item 93) to extend piston shaft (item 111) to align yoke pin (item 101) with holes on front of dual handle housing (item 99). both roller and link are placed inside yoke (item 54 or 96) Use a pin punch through one of the holes in dual handle housing (item 59 or 99) to align the holes in the yoke (item 54 or 96), upper link (item 53 or 93) and roller (item 73 or 105) as you install yoke pin (item 15) in place. Jarvis tool is available. See Figure 4. Figure 4 Yoke Pin Alignment Tool Remove yoke pin (item 15) Use a pin punch to drive yoke pin out through hole in dual handle housing Remove upper link (item 93) and roller (item 105). Replace roller bushing (item 106) if necessary Inspect blades (items 69, 70 and 104) for wear and sharpen or replace if necessary. Refer to Figure 3 for proper sharpening angle of blades Inspect all parts for wear and replace if necessary. 4 BLADE AND LINK ASSEMBLY: 4.1 Reverse steps and procedures outlined in section 3. See notes below Make sure curved end of friction plates (item 16) are facing toward pistol grip housing (item 36) and away from blades (item 18). TWC -1 only Make sure roller (item 73 or 105) is placed inside upper link (item 53 or 93) and then Make sure blade spacer (item 51 or 103) is placed between left and right lower blades (items 69 and 70) All nylock nuts are less effective after removal. Apply Loctite242 tothreads oflock nuts (items 10 and 23) when reassembling Be sure to install roller bracket (item 68) or roller plate (item 98) and linkage guard (item 57 or 95) before using the tool. 5 CYLINDER DISASSEMBLY: 5.1 Remove blade and link assembly. Refer to steps and procedures outlined in section Remove lock nuts (item 10), tie rods (item 92) or studs (item 115) and housing rear plate (item 91). 5.3 Remove cylinder sleeve (item 90). 5.4 Remove lock nut (item 88 or 114) from piston shaft(item83or111) Hold the piston shaft steady by placing a 3 / 8 inch wrench on the piston shaft s flats. 5.5 Remove seals, piston and washer (items or 85, 112 and 113).

15 maintenance instructions page 15 of Remove the yoke (item 14, 54 or 96) from the piston shaft (item 83 or 111) Use a pin punch through the holes in the yoke and a 3 / 8 inch wrench on the piston shaft s flats to remove the yoke. 5.7 Remove piston shaft (item 83 or 111). 5.8 Remove socket head cap screws (item 81) or button head cap screws (item 110) from rod bushing (item 78 or 108). 5.9 Remove u-cup seal (item 79 or 109) from rod bushing (item 78 or 108) Inspect all parts for wear and replace if necessary. 6 CYLINDER ASSEMBLY: 6.1 Reverse steps and procedures outlined in section Model TWC--1, TWC--2 and TWC See notes below Make sure that flat surface of U-cup seal (item 79 or 109) faces toward rod bushing (item 78 or 108) when installed Make sure flat surface of U-cup seals (item 85) are facing inward toward piston (item 86 or 112) Make sure, when placing the piston (item 86 or 112) on the piston shaft (item 83 or 111), the piston s deeper cavity faces the handle housing (items 36, 59 or 99) Apply Loctite 242 to threads of yoke (item 14, 54 or 96) and piston shaft (item 83 or 111) before reassembling Apply Loctite 242 to threads of lock nuts (items 10 and 88) before tightening.

16 Model TWC--1, TWC--2 and TWC--4 page 16 of ANDERSON UNITED ROAD, STATES MIDDLETOWN, OF AMERICA CONNECTICUT E -MAIL jarvis.products.corp@snet.net TEL FAX