RC25 Service Manual
Contents
1. 7N vJ 7M ISd00 HAE9L 9 WW9D lddns OILVAINANd2. IN Push the green hose onto the remaining unmarked hose barb Coat the brass valve body with food grade grease and push it into the socket at the front of the handle Push it in until the retaining nut seats against the aluminium handle Secure with the 6mm grub screw from inside the bore of the handle 9 10 11 12 13 14 15 16 17 Take the cylinder and clevis assembly Install it into the handle making sure that the front edge of the cylinder body lines up with the front face of the handle and cap Use a steel rule to align the clevis tube slot with the mating face of the handle and cap There are three hydraulic ports at the rear of the clevis to facilitate reorientation of the blades to suit your application The port to be used is to be facing upward Do not remove the plugs unless changing the port in use When installing the plugs apply Loctite 569 Hydraulic pipe sealer and allow at least two hours cure time before applying hydraulic pressure Check the cover photo for correct alignment Install the handle cap making sure that the two dot punch marks line up Insert the four 6mm cap screws from the underside of the handle and tighten Take the yoke pin and push it into the yoke until it protrudes about one third of the way into the slot Take the cam links and liberally coat the yoke end with food grade grease Insert one cam link into the yoke from the right hand side of the tool
3. NZ INSTRUCTION MANUAL Imported by Designation Model No Type Length Height Width Blade Opening Blade Reach Weight Hydraulic Circuit Pneumatic Circuit Serial No Manufacture Date Test Date Manufactured By Licensed distributor Specifications Sheep Hock Cutter Heavy Duty RC25 1212 jsupplied 1213 jsupplied 1215 Supplied 448mm 498mm 453mm 210mm 210mm 210mm 215mm 215 215mm 95mm 112mm 95mm 102mm 152mm 110mm 8 51Kg 8 89Kg 8 43Kg 157Bar 2200Psi Shell Helix ATF Ill or equivalent 6 5 7 85Bar 90 110Psi Argus Realcold Ltd PO Box 12 519 9 Prescott Street Penrose Auckland New Zealand Ph 64 9 526 5757 Fax 4464 9 526 5755 TABLE OF CONTENTS SAFETY INSTRUCTIONS NOTICE TO OPERATORS INSTRUCTIONS FOR COMMISSIONING SERVICE SECTION PRINCIPLE OF OPERATION Cutting Cycle Opening Cycle SERVICING Hand tool Disassembly Servicing Reassembly APPENDIX 1 Parts List RC25 1212 Parts Diagram RC25 1212 Parts List RC25 1213 Parts Diagram RC25 1213 Parts List RC25 1215 Parts Diagram RC25 1215 Order Form APPENDIX 2 Maintenance Check Daily Check Weekly Routine Maintenance APPENDIX 3 Blade Sharpening APPENDIX 4 Recommended Spare Parts APPENDIX 5 Circuit Schematic WARGUS L LIMITED Argus Realcold Ltd PO Box 12 519 9 Prescott Street Penrose Auckland New Zealand Phone 64 9 526 5757 Fax 64 9 526 5755 Email argord realcold co
4. Dowty Seal 3 8BSP 21 1 180 DU1x1 1 8x1 DU Bush 22 4 180 KQ2H04 00 Straight Connector 4mm 23 2 180 PP38 304 3 8 BSPP Pressure Plug 24 2 180 QVV F06 Hydraulic Coupler Female 25 2 180 QVV MO6 Hydraulic Coupler Male 26 2 190 209508 B Pilot Valve 27 2 800 8 304 8 Acorn Nut 28 1 800 BHM820 304 M8x20 Button Head Screw 304 29 2 800 GSM66 304 M6x6 Grub Screw 30 2 800 RP4X45 304 Roll Pin M4x45 304 31 1 800 2 MP4 4mm Twinline 32 1 800 HSC9 5 9 5mm Heal Shrink Clear ZIRI 2 2 27 so P 33 P ALNG AAV3H 8 MOOH d33HS aroo vau SNH VAV AVARHGUS VAS 8919 LIMITED Sheep Hock Cutter Heavy Duty RC25 1215 ITEM NO QTY PART N0 DESCRIPTION 1 1 110 252102 A Hydraulic Cylinder Body 2 1 110 252104 B Piston amp Rod Assy 3 1 110 252106 B Bearing Carrier 4 1 110 302105 A Hydraulic Cylinder Seal Kit 5 1 120 253001 A Clevis Tube 6 2 120 223002 A Slipper Plate S S 7 1 130 224101 A Yoke 8 1 130 224102 A Yoke Pin 9 2 130 224103 A Cam Link 10 1 140 225105 A Scissor Blade Special Pair 11 1 150 206104 A D Handle 12 1 150 256103 A Hanger Ring 13 1 150 306102 A Pistol Grip Only 13 1 4 800 CSM620 304 Cap Screw M6x20 304 14 1 160 227101 A Pivot Bolt 15 1 160 227102 A Pivot Bolt Nut 16 2 160 227104 A Cam Bolt 17 1 180 AA90 0606 Hydraulic Elbow Male 18
5. pistol grip and loosen the 6mm grubscrew The two way valve may now be pushed out of the handle and put into the parts container as per step 6 Mount the clevis into the vice using the flat sides Use soft jaws and a rag to prevent damage Unscrew the hydraulic cylinder body counter clockwise Withdraw the piston rod assembly from the clevis Pull the bearing carrier out and the scraper seal also Remove the clevis from the vice and put it on bench Mount the yoke in the vice using the edges of the slot Using a spanner on the flat machined at the piston end of the piston rod unscrew the yoke from the piston rod assembly Your RC25 hand tool is now disassembled ready for inspection and servicing Servicing 1 2 Clean all parts thoroughly Visually inspect all parts for any signs of wear or damage Blades Look particularly for nicks in cutting edge These will quickly develop into cracks if left unattended leading to dangerous failure of the blade The blades may be touched up according to the maintenance instructions in appendix 3 If regrinding it is critical that the blade angles are maintained This will ensure that your blades maintain peak cutting efficiency Argus Realcold offers a blade sharpening service You will find this service to be very cost effective in maintaining your hand tool at peak cutting efficiency Seals may be easily removed by hooking them from their locating grooves Take care not to dama
6. tool WARGUS BEER LIMITED Argus Realcold Ltd PO Box 12 519 9 Prescott Street Penrose Auckland New Zealand Phone 64 9 526 5757 Fax 64 9 526 5755 Email argord realcold co nz www argus co nz RC25 SHEEP HOCK CUTTER INSTRUCTIONS FOR COMMISSIONING Mount a suitable spring balancer unit with a weight range from 5Kg to 9Kg near the operating station in an appropriate position to ensure ease of operation for the suspended tool Attach the balancer cable to the hanger ring at the front of the hand tool Connect the hydraulic hoses to the couplers supplied at the rear of the hand tool Connect the air hoses to the airlines on the hand tool making sure that air pressure is supplied to the RED hoses and the GREEN hoses are connected to the signal line Turn on the power pack and operate the tool a few times to purge any air from the hand tool and hydraulic hoses Tie the hydraulic hoses and airlines together and arrange so that they are out of the way of the operator Note The use of cable ties for this can cause the airlines to pinch preventing the hand tool from operating correctly We recommend using electrical tape instead Your RC25 Hand tool is now ready for service AVAHGU S BEER EIN TED Argus Realcold Ltd PO Box 12 519 9 Prescott Street Penrose Auckland New Zealand Phone 64 9 526 5757 Fax 64 9 526 5755 Email argord realcold co nz www argus co nz Before While interac Fault d
7. 1 180 A C 0606 Male 3 8BSP Adapter 19 1 180 BB06 06 Straight Fitting 3 8BSPP 20 2 180 D 06 Dowty Seal 3 8BSP 21 1 180 DU1x1 1 8x1 DU Bush 22 4 180 KQ2H04 00 Straight Connector 4mm 23 2 180 PP38 304 3 8 BSPP Pressure Plug 24 2 180 QVV F06 Hydraulic Coupler Female 25 2 180 QVV MO6 Hydraulic Coupler Male 26 2 190 209508 B Pilot Valve 27 2 800 8 304 8 Acorn Nut 28 1 800 BHM820 304 M8x20 Button Head Screw 304 29 2 800 GSM66 304 M6x6 Grub Screw 30 2 800 RP4X45 304 Roll Pin M4x45 304 31 1 800 2 MP4 4mm Twinline 32 1 800 HSC9 5 9 5mm Heal Shrink Clear ZIRI 2 2 27 ws 33 P ALNG AAV3H MOOH d33HS aai SNS VA WARGUS w N REALGOLD LIMITED Tool 9 Prescott Street Ph 09 526 5757 Serial Number PO Box 12 519 Fax 09 526 5755 Penrose Auckland argord realcold co nz New Zealand Customer Order Form Name Address Phone Contact Person Qi Part Number Descrptin a _ pln 5 a 2 o pne E pH 4 1 2 _ pp jo n Shipping Instructions Ship to Address Attention Level of Urgency Normal DJ Urgent C 19 Appendix 2 Maintenance WARGUS N REALCOLD LIMITED Argus Realcold Ltd PO Box 12 519 9 Prescott Street Penrose Auckland New Zealand Phone 64 9 526 5757 Fax 64
8. 26 5757 Fax 64 9 526 5755 Email argord realcold co nz www argus co nz NOTICE TO OPERATORS MAINTENANCE AND CLEAN UP PERSONNEL OPERATORS Stop using a defective or malfunctioning tool immediately Report the STOP problem or defect immediately to your supervisor for removal of tool from service Do not attempt to make repairs yourself do not tamper with a defective or malfunctioning tool Do not attempt to free a jammed or blocked tool yourself Remove power from the tool when the tool is left unattended or is not in use Never tie down bypass or alter the triggers or safety switches of the tool Wear safety glasses when operating this tool Do not activate switches of the tool unless you intend to operate and use the tool Do not allow unauthorised individuals to operate the tool Never place fingers hands or other parts of your body in the cutting path of the tool A This tool is capable of causing severe injury or death if misused CLEAN UP PERSONNEL Shut off all power and disconnect all hydraulic and air hoses from the tool before performing clean up A Take extreme care near sharp blades MAINTENANCE PERSONNEL Shut off all power and disconnect all hydraulic and air hoses from the tool before making repairs performing maintenance and before replacing or sharpening blades Do not use substitute parts or use other than genuine Argus Realcold brand parts Use extreme care when testing or operating the
9. 9 526 5755 Email argord realcold co nz www argus co nz 20 Maintenance Please read this section thoroughly and make sure that these maintenance checks are carried out routinely as specified Adherence to this maintenance schedule will ensure that you enjoy long and trouble free service from your hand tool Before any servicing is attempted on this tool disconnect and unplug from air supply All hydraulic hoses and air supply hoses must be disconnected to render the tool inoperative according to Occupational Safety amp Health requirement Check Daily 1 2 O N Clean the hand tool thoroughly before inspecting Visually inspect the hand tool for any obvious damage to components and for loose components Anything that you find at this stage must be remedied immediately The hand tool may need to be removed from service to affect remedy Check pivot bolt tension as per step 21 in the reassembly instructions One of the cam bolts will need to be removed to facilitate this Remove the other once the pivot bolt has been properly adjusted and apply grease to the blades around the cam bolt holes and to the shank of the cam bolts before reinstalling Apply food grade grease to lubrication points Use a small hand held grease gun to apply grease to the pivot bolt Apply until grease is expelled from between the blades Use spray grease to apply grease to the yoke and yoke pin area Wipe off excess gr
10. SERVICE SECTION servicing this tool it is important to understand how this tool operates being very simple understanding the principles of operation and their tion will assist you to maintain the tool to optimum working efficiency iagnosis and repair will also be greatly simplified PRINCIPLE OF OPERATION Cutting Cycle Operating valves are depressed supplying a positive air pressure signal to the pilot of Openi the power pack control board The pilot pressure shuttles the control valve allowing main supply air pressure to operate the power pack hydraulic valve The hydraulic valve opens and hydraulic pressure is transmitted to the rear port of the hand tool via the hydraulic hose This hydraulic pressure then acts on the piston rod assembly in the hand tool and causes the piston rod assembly to move The movement of the piston rod assembly is now transmitted to the blades via cam links and the blades close Hydraulic pressure will build to 150 bar 2200 PSI as soon as cutting pressure is exerted causing the blades to cut through the animals appendage ng Cycle Operating valves are released allowing the positive air pressure signal to vent through the valve exhaust port The pilot pressure shuttles the control valve allowing main supply air pressure to operate the power pack hydraulic valve opening side The hydraulic valve opens and hydraulic pressure is transmitted to the front port of the hand tool via the hydr
11. aulic hose This hydraulic pressure then acts on the piston rod assembly in the hand tool and causes the piston rod assembly to be retracted The movement of the piston rod assembly now pulls the blades via the cam links to the open position A timer removes the air pressure signal from the hydraulic valve once the piston is fully retracted allowing the hydraulic valve to return to centre and remove hydraulic pressure from the hydraulic hoses The operating cycle is now complete SERVICING Before any servicing is attempted on this tool disconnect and unplug from air supply All hydraulic hoses and air supply hoses must be disconnected to render the tool inoperative according to Occupational Safety amp Health requirements Hand tool Disassembly Before starting please make sure that the tool is clean and that you have a suitable work area available A container will help prevent small parts from being lost or damaged 1 10 Mount the tool in a vice use the flat sides of the pistol grip Take care to use soft jaws and a rag to prevent damaging the handle Note Jaws may be easily made up from wood or plastic with a section recessed to capture the pistol grip This prevents the tool from tipping in the vice and is particularly useful for larger tools Remove the cam link nuts and the pivot bolt nut and place into the parts container Remove the cam link bolts taking care that the blades do not swing Remember that they a
12. ease before returning the hand tool to service Reconnect the hand tool and check that all couplers and fittings are tight Reconnect the air supply and test for correct operation These checks are to be performed on a daily basis or prior to the start of each shift where more than one shift operates each day 21 Check Weekly This maintenance is best performed in the workshop 1 8 9 Remove the blades and cam links from the hand tool as per the instructions for disassembly Thoroughly clean the clevis cam links blades and wear plates The grease used for lubrication becomes dry and hard building up a layer of dried grease after repeated exposure to heat from the sterilising process Visually inspect the hand tool for any obvious damage to components and for loose components Check all fasteners for tightness Anything that you find at this stage must be remedied immediately Check the yoke pin cam links and cam bolts for wear as per the instructions for servicing If they are loose or obviously worn then replace them now Check the blades for sharpness or edge damage Should they be dull or damaged then sharpen them as per the sharpening instructions in appendix 3 Sharpen both blades evenly Apply grease to the cam links and reassemble them to the tool as per the instructions for reassembly Apply grease to the pivot faces of the blades and wear plates Reassemble them to the to
13. essed for damage 23 Appendix 3 Blade Sharpening WARGUS N REALCOLD LIMITED Argus Realcold Ltd PO Box 12 519 9 Prescott Street Penrose Auckland New Zealand Phone 64 9 526 5757 Fax 64 9 526 5755 Email argord realcold co nz www argus co nz 24 Blade Sharpening Use a linisher with a belt of about 240grit Linish gently along the full length of the cutting edge primary angle Take care to maintain the angle of the edge 40 and also the profile Use only light pressure as heat may rapidly build up and affect the hardness of the blade It is recommended that the polished finish be restored to retain the hygiene qualities of the blade Use a stone to apply a witness to the cutting edge and remove the burr created by linishing If a linisher is not available then a sanding drum attached to a die grinder may be used Under no circumstance should an angle grinder or disc sander be used Failure to follow these sharpening instructions will void the manufacturer s warranty Argus Realcold Ltd offer a blade reconditioning service that will restore your blades to the original condition which you will find to be very cost effective in maintaining your blades at peak efficiency WARGUS REALCOLD LIMITED Argus Realcold Ltd PO Box 12 519 9 Prescott Street Penrose Auckland New Zealand Phone 64 9 526 5757 Fax 64 9 526 5755 Email argord realcold co nz www argus co nz 25 Appendix 4 Recomme
14. ge the bronze piston The seals should be replaced each time the tool is serviced Use only genuine Argus Realcold seals for replacement These are available in a convenient seal kit Part number 110 302105 A Cylinder Body Inspect for damage Small nicks or scratches can be polished out with fine 240 grit or finer wet and dry sandpaper More severe damage will require replacement Be aware that even insignificant appearing damage will cut and damage the piston seals causing premature seal failure External damage may also be far from cosmetic It can cause distortion of the cylinder bore which will damage seals and or cause them to leak It may also damage the bronze piston Piston Rod Assembly Inspect for damage Small nicks and scratches may be polished out with fine 240 grit or finer wet and dry sandpaper More severe damage will require replacement Be sure to keep the piston rod clean during service Be aware that even insignificant appearing damage will cut and damage the cylinder head seals causing premature seal failure Pivot bolts and nuts Inspect for damage or wear If the pivot bolts are noticeably grooved from operational wear they should be replaced The Nylok blade pivot nut should not be reused more than once The nylon locking insert deforms and loses its ability to hold the nut securely with repeated reuse 10 11 Cam links Inspect for damage or wear If the holes are elongated then rep
15. he seal is located properly in the groove and is not twisted Apply a suitable lubricant to the seal Install New Bearing Carrier Seals Use a blunt instrument not a screwdriver to push the seal fully into its groove Make sure that the seal is located properly in its groove It should float a little Apply a suitable lubricant to the seals Take the piston and rod assembly with its new seal in place and push it into the bearing carrier with a twisting motion Fit the scraper seal over the front of the piston rod Mount the yoke into the vice again and apply a small amount of Loctite 243 to the thread Screw the piston rod assembly onto the yoke and tighten Take the clevis and push the piston rod assembly with the bearing carrier into the rear of the clevis until the bearing carrier is fully seated Mount the clevis into the vice by its flat sides again Note Apply nickel anti seize to the male thread Important do not miss this step Screw the hydraulic cylinder body onto it Take the straight male fitting and screw it into the rear port of the cylinder with the dowty seal in place Screw the male hydraulic coupler onto the straight male fitting again with the dowty seal in place and tighten Mount the handle in the vice as you did during disassembly using soft jaws and a rag to prevent damage Insert the paired air hose into the 9 0mm hole at the back of the pistol grip Push the red hose onto hose barb marked
16. lace the cam links Check for wear by inserting a new pivot bolt and yoke pin into the hole They should be a sliding fit with minimal slop If the hole is loose then replace the cam link Check for straightness with a steel rule If at all bent then replace the cam links Yoke and Yoke Pin Inspect for damage or wear If the holes are elongated then replace the yoke If the yoke pin is visibly worn or grooved then replace it Check for wear by inserting a new yoke pin into the holes It should be a sliding fit with no slop A little tight is ok If the holes are loose then replace the yoke and pin Slipper plates Inspect for damage or wear If the plates are noticeably worn or grooved then replace them Two Way Valve Unscrew cover Withdraw valve spool and spring Remove O rings from valve spool Clean all parts thoroughly Install new O rings onto the valve spool Install spring into valve body Apply a little air tool oil to the O rings on the valve spool and insert it through the spring and into the valve body Reinstall the cover nut over the valve spool and tighten it onto the valve body Reassembly Before starting make sure that all parts are clean and free of oil and grease All replacement parts and or serviced parts should be procured completed and ready to hand 1 Install A New Piston Seal A piece of plastic strapping can assist to pull the seal into place over the piston Make sure that t
17. nded Spare Parts WARGUS N REALCOLD LIMITED Argus Realcold Ltd PO Box 12 519 9 Prescott Street Penrose Auckland New Zealand Phone 64 9 526 5757 Fax 64 9 526 5755 Email argord realcold co nz www argus co nz 26 Recommended Spare Parts The following is a list of spare parts that we recommend your engineering department to keep in stock at all times Having these parts on hand will assist you to maintain your tool in good working order and ensure that you avoid down time while waiting for parts delivery should your hand tool require repair This list is a minimum recommendation for parts to support one unit in the field Where more than one tool is in service quantities held in stock should be adjusted accordingly Part Number Description 2 110 302105 A HYDRAULIC CYLINDER SEAL KIT 2 120 223002 A SLIPPER PLATE S S 9 130 224103 A CAM LINK 1 130 224101 A YOKE 130 224102 A YOKE PIN 140 225101 A SCISSOR BLADE STANDARD 4 B 4 DOWTY SEAL 800 2 4 HOSE 800 ANM8 304 CAM NUT WARGUS ADM LIMITED Argus Realcold Ltd PO Box 12 519 9 Prescott Street Penrose Auckland New Zealand Phone 64 9 526 5757 Fax 64 9 526 5755 Email argord realcold co nz www argus co nz 27 Appendix 5 Circuit Diagram WARGUS N REALCOLD LIMITED Argus Realcold Ltd PO Box 12 519 9 Prescott Street Penrose Auckland New Zealand Phone 64 9 526 5757 Fax 64 9 526 5755 Email arg
18. nnector 4mm 23 2 180 PP38 304 3 8 BSPP Pressure Plug 24 2 180 QVV FO6 Hydraulic Coupler Female 25 2 180 QVV MO6 Hydraulic Coupler Male 26 2 190 209508 B Pilot Valve 27 2 800 8 304 8 Acorn Nut 28 1 800 BHM820 304 M8x20 Button Head Screw 304 29 2 800 GSM66 304 M6x6 Grub Screw 30 2 800 RP4X45 304 Roll Pin M4x45 304 31 1 800 2 MP4 4mm Twinline 32 1 800 HSC9 5 9 5mm Heal Shrink Clear M55 22259 j e 2 9559599 ALNG AAV3H MOOH d33HS an timur aroo vau VA SNS YVA AVARHGUS VAS 8919 LIMITED Sheep Hock Cutter Heavy Duty RC25 1213 ITEM NO QTY PART N0 DESCRIPTION 1 1 110 252102 A Hydraulic Cylinder Body 2 1 110 252104 B Piston amp Rod Assy 3 1 110 252106 B Bearing Carrier 4 1 110 302105 A Hydraulic Cylinder Seal Kit 5 1 120 253001 A Clevis Tube 6 2 120 223002 A Slipper Plate S S 7 1 130 224101 A Yoke 8 1 130 224102 A Yoke Pin 9 2 130 224103 A Cam Link 10 1 140 225103 A Scissor Blade Long Pair 11 1 150 206104 A D Handle 12 1 150 256103 A Hanger Ring 13 1 150 306102 A Pistol Grip Only 13 1 4 800 CSM620 304 Cap Screw M6x20 304 14 1 160 227101 A Pivot Bolt 15 1 160 227102 A Pivot Bolt Nut 16 2 160 227104 A Cam Bolt 17 1 180 AA90 0606 Hydraulic Elbow Male 18 1 180 A C 0606 Male 3 8BSP Adapter 19 1 180 BB06 06 Straight Fitting 3 8BSPP 20 2 180 D 06
19. nz www argus co nz Qo O Q C N Issue Date 14 6 2005 Revision Number 2 0 Revision Date 19 6 2006 SAFETY INSTRUCTIONS FOR REALCOLD HAND TOOLS As a designer manufacturer and supplier of plant and equipment Argus Realcold Ltd has provided plant equipment and all relevant information to ensure the safe use in accordance with the New Zealand Health and Safety in employment Act 1992 The CE marked machines provided by Argus Realcold Ltd also meet the EC machinery directive 98 37 EC and any other relevant EC directive It is the responsibility of the owner to ensure that the machine is used safely in accordance with the instructions and for the purpose that the machine was designed for The hand tools that we supply with the exception of the RC33 are designed for two handed operation and include the following RC20 Sheep Light Duty Scissor RC21 Sheep Hock Cutter Various blade options available RC22 Hydraulic Sheep Hock Horn Neck Cutter RC25 Hydraulic Heavy Duty Sheep Goat Deer Hock Horn Cutter RC30 Hydraulic Beef Hock Horn Cutter Hog Head Cutter Various blade options available RC31 Pneumatic Sheep amp Lamb Brisket Opener RC33 Pneumatic Wool Shear RC35 Hydraulic Beef Loin Head Cutter Various blade options RC45 Hydraulic Heavy Duty Beef Horn Cutter RC50 Air Oil Intensifier WARGUS REALCOLD LIMITED Argus Realcold Ltd PO Box 12 519 9 Prescott Street Penrose Auckland New Zealand Phone 64 9 5
20. ol as per the instructions for reassembly Make sure to tension the pivot bolt correctly Wipe off excess grease before returning the hand tool to service Reconnect the hand tool and check that all couplers and fittings are tight 10 Reconnect the air supply and test for correct operation These checks are to be performed on a weekly basis or approximately every 40 hours of service where more than one shift operates each day 22 Routine Maintenance Except where daily or weekly checks require replacement of wear items the hand tool should be fully stripped and serviced once every six months Wear items that should be replaced at this six month service are 110 302105 A Seal kit 130 224103 A Cam link 130 224102 A Yoke pin 160 227104 A Cam bolt 160 227101 A Pivot bolt 160 227102 A Pivot nut 800 ANM8 304 M8 Acorn nut All other components should be assessed for serviceability at this time and replaced as necessary as per the servicing instructions in the service section of this manual Other factors which may necessitate a full service prior to this six month interval include but are not limited to e Power pack oil found to be dirty e Power pack oil found to be water contaminated e Blades damaged i e accidental cutting onto the gambol e Other damage caused by dropping or striking of the tool Following the discovery of any of these occurrences the hand tool must be removed from service stripped and thoroughly ass
21. ood grade grease Slide the blades into the front of the clevis and push the pivot bolt through the holes to secure Install the pivot nut and tighten fully until excess food grade grease is expelled from the assembly Be sure that the head of the pivot bolt is seated properly in its slot To achieve correct blade tension this step must be followed strictly Gradually loosen the pivot nut until the blades start to slide easily against each other Grasp both blades from outside edge and move together A light resistance should be felt while moving but no sticking or binding should be felt Note If the pivot is too tight the blades may not open properly when the tool is used If the pivot is too loose animal matter will be trapped between the blades causing damage Also if too loose the pivot bolt will be overstressed and may break Take the cam link bolts and coat the shank with food grade grease Install through the cam link and blade Take the cam link nut and apply a small amount of blue Loctite 243 into the thread Screw onto the cam link bolts Note Cam link bolt must float slightly in holes and be able to rotate freely If tight the hand tool may not operate correctly Apply a small amount of Loctite 569 pipe sealer to the hydraulic elbow Screw it into the front port on the clevis Apply a little pipe sealer to the male thread of the nipple Screw the female hydraulic coupler to the nipple and tighten Check the
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23. parts container and bench for any missing parts now Your RC25 hand tool is now ready to be returned to service Reinstall as per installation instructions at front of the manual and test for correct operation Appendix 1 Parts Diagram and Ordering Form WARGUS REALCOLD LIMITED Argus Realcold Ltd PO Box 12 519 9 Prescott Street Penrose Auckland New Zealand Phone 64 9 526 5757 Fax 64 9 526 5755 Email argord realcold co nz www argus co nz VAR GU S WA Sor LIMITED Sheep Hock Cutter Heavy Duty RC25 1212 ITEMNO QTY PART N0 DESCRIPTION 1 1 110 252102 A Hydraulic Cylinder Body 2 1 110 252104 B Piston amp Rod Assy 3 1 110 252106 B Bearing Carrier 4 1 110 302105 A Hydraulic Cylinder Seal Kit 5 1 120 253001 A Clevis Tube 6 2 120 223002 A Slipper Plate S S 7 1 130 224101 A Yoke 8 1 130 224102 A Yoke Pin 9 2 130 224103 A Cam Link 10 1 140 225101 A Scissor Blade Standard Pair 11 1 150 206104 A D Handle 12 1 150 256103 A Hanger Ring 13 1 150 306102 A Pistol Grip Only 13 1 4 800 CSM620 304 Cap Screw M6x20 304 14 1 160 227101 A Pivot Bolt 15 1 160 227102 A Pivot Bolt Nut 16 2 160 227104 A Cam Bolt 17 1 180 AA90 0606 Hydraulic Elbow Male 18 1 180 A C 0606 Male 3 8BSP Adapter 19 1 180 BB06 06 Straight Fitting 3 8BSPP 20 2 180 D 06 Dowty Seal 3 8BSP 21 1 180 DU1x1 1 8x1 DU Bush 22 4 180 KQ2H04 00 Straight Co
24. re sharp While supporting the blades remove the pivot bolt and withdraw the blades from the clevis tube Be sure that the clevis tube slipper plates are recovered and put into the parts container Using a suitable punch carefully drive the yoke pin from the yoke Be sure to recover the plastic clevis plug for reuse and put it into the parts container with the yoke pin Withdraw the pin punch carelully withdrawing the cam links as you do so Put into parts container Cut the zip tie securing the paired airline to the D handle taking care not to cut the airline Loosen the grub screw and push two way valve out of handle Carefully remove the airlines from the hose barb fittings Put these items into the parts container Note Be careful these fittings are easily broken Remove the bolt and handle from the handle assembly and put them into the parts container Unscrew the hydraulic couplers from their fittings Put them into the parts container Remove the hydraulic elbow leaving the nipple attached Using a large adjustable spanner over the sides of the clevis loosen the clevis by levering anti clockwise Remove the four 6mm cap screws from the underside of the handle cap and remove the handle cap and the cylinder and clevis assembly 11 12 13 14 15 16 Drain remaining oil from the cylinder into a suitable container Put the cylinder and clevis assembly onto the bench Find the hole inside the bore of the
25. with the raised side of the fork facing down Take the second cam link and insert it into the yoke from the left hand side of the tool with the raised side of the fork facing up Push the yoke pin through the cam links fully until seated Take the plastic plug removed earlier and install it into the hole until it is flush with the outside of the clevis Take the D handle and install the bolt through the hole Apply a small amount of blue Loctite 243 to threads Screw the handle to the side of the pistol grip with the socket for the two way valve facing upward and tighten Insert the paired air hose into the 9 0mm hole from the bottom of the D handle Push the red hose onto hose barb marked IN Push the green hose onto the remaining unmarked hose barb Coat the brass valve body with food grade grease and push it into the socket at the top of the handle Push it in until the retaining nut seats against the aluminium handle Secure it with a 6mm grub screw Lay the paired air hose from the bottom of the D handle flat against the underside of the handle and secure near the mounting base with a zip tie Take care not to pinch the air hose 18 19 20 21 22 23 24 Take the slipper plates and coat both sides with food grade grease Place them into the front of the clevis making sure that the holes line up with the pivot holes in the clevis Take the blades and coat the pivot area of the flat face with f
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