Graco 3A0735J User's Manual
Contents
1. w m BC C 2 ti15638a Fic 1 Typical installation Key Pump Components Included System Components Accessories sold separately A Bung Mounted Sanitary Pump B Air Exhaust Muffler may alternately be mounted remotely using exhaust hose 3 4 npt Exhaust Air Outlet 1 2 npt Air Inlet 1 1 2 in Tube Size Flanged Fluid Outlet Air Line Filter Regulator Bleed Type Master Air Valve required Air Solenoid Valve Air Line Drain Pipe and Valve Dispensing Valve Timer Control Air Regulator Dispensing Valve Air Exhaust Hose Sensing Device Pump Ground Wire required Pump Runaway Valve moo ou3Juzzr acron 3A0735J 7 Operation Operation Do not expose the air motor to temperatures higher than 120 F 49 C or the immersed fluid pump to tem peratures higher than 160 F 71 C Excessive temper atures may damage the pump packings and seals Pressure Relief Procedure Be vius Trapped air can cause the pump to cycle unexpectedly which could result in serious injury from injection splashing or moving parts Relieve pressure when you stop pumping and before cleaning checking or servicing equipment 1 Shut off the air supply to the pump 2 Close the bleed type master air valve required in system 3 Open the fluid ball valve and or dispensing valve to relieve fluid pressure2. 0 2 0 7 6 4 0 15 1 6 0 22 7 8 0 30 3 140 3 96 120 3 40 100 2 83 Fluid Flow gpm Ipm tested in No 10 weight oil KEY Air Flow scfm m3 min A 100 psi 0 7 MPa 7 bar B 70 psi 0 5 MPa 5 bar C 40 psi 0 3 MPa 3 bar m fluid flow aif consumption 3A0735J Technical Data Maximum Fluid Working Pressure Maximum Air Inlet Pressure liil seus Maximum Recommended Pump Speed Air Consumption lsssseseeee ee Pump Cycles per Gallon 3 8 Liters Ratio Maximum Operating Temperature Maximum Ambient Temperature air motor AIG Inlet ere ail estes e coh en es re eS Air Exhaust Fluid Inlet Type 2 2 0 eee eee Sound data Sound power Sound pressure Technical Data 1450 psi 10 1 MPa 100 4 bar 100 psi 0 7 MPa 6 9 bar 60 cycles min 8 5 gpm 32 liters min delivery See Performance Chart page 22 7 1 12 1 160 F 71 C 120 F 49 C 1 2 in npt f 3 4 in npt m 4 1 in 10 4 cm tube with flange for 6 in 15 2 cm Tri Clamp 2 in 5 1 cm Tri Clamp 122 Ib 55 3 kg stainless steel 800 series or other corrosion resistant grades Acetal Buna N PTFE UHMWPE 77 2 dBA 70 5 dBA Sound power at 70 psi 0 48 MPa 4 8 bar 20 cpm Sound power measured per ISO 9614 2 Sound pressure was tested 3 28 feet 1 m from equipment 3A0735J 23 Graco Standard Warran
3. INC AND SUBSIDIARIES P O BOX 1441 MINNEAPOLIS MN 55440 1441 USA Copyright 2010 Graco Inc All Graco manufacturing locations are registered to ISO 9001 www graco com Revision J December 2014
4. See Technical Data in all equipment manuals Use fluids and solvents that are compatible with equipment wetted parts See Technical Data in all equipment manuals Read fluid and solvent manufacturer s warnings For complete information about your material request MSDS from distributor or retailer Do not leave the work area while equipment is energized or under pressure Turn off all equipment and follow the Pressure Relief Procedure when equipment is not in use Check equipment daily Repair or replace worn or damaged parts immediately with genuine manufacturer s replacement parts only Do not alter or modify equipment Use equipment only for its intended purpose Call your distributor for information Route hoses and cables away from traffic areas sharp edges moving parts and hot surfaces Do not kink or over bend hoses or use hoses to pull equipment Keep children and animals away from work area Comply with all applicable safety regulations SPLATTER HAZARD Hot or toxic fluid can cause serious injury if splashed in the eyes or on skin During blow off of platen splatter may occur Use minimum air pressure when removing platen from drum TOXIC FLUID OR FUMES HAZARD Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin inhaled or swallowed Read MSDSs to know the specific hazards of the fluids you are using Store hazardous fluid in approved containers a
5. parts Do not operate equipment with protective guards or covers removed Pressurized equipment can start without warning Before checking moving or servicing equipment follow the Pressure Relief Procedure and disconnect all power sources FIRE AND EXPLOSION HAZARD Flammable fumes such as solvent and paint fumes in work area can ignite or explode To help prevent fire and explosion Lz d t Use equipment only in well ventilated area Eliminate all ignition sources such as pilot lights cigarettes portable electric lamps and plastic drop cloths potential static arc Keep work area free of debris including solvent rags and gasoline Do not plug or unplug power cords or turn power or light switches on or off when flammable fumes are present e Ground all equipment in the work area See Grounding instructions Use only grounded hoses Hold gun firmly to side of grounded pail when triggering into pail e fthere is static sparking or you feel a shock stop operation immediately Do not use equipment until you identify and correct the problem Keep a working fire extinguisher in the work area 4 3A0735J Warnings Ra EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury Do not operate the unit when fatigued or under the influence of drugs or alcohol Do not exceed the maximum working pressure or temperature rating of the lowest rated system component
6. with a wrench Screw on the guide 119 and use another wrench to tighten Install the valve plate 120 and the priming piston 121 Hand tighten the priming piston nut 122 Hold the displacement rod 105 with a wrench Use another wrench to tighten the priming piston nut 122 13 Service Reconnect the Pump 1 14 Ram mounted pumps Set the displacement pump in place then attach the clamp Align the air motor and set it on top of the displacement pump Attach the clamp Replace the pin Other pumps Slide the assembled displacement pump into position on the air motor pump adapter and reattach the clamp Hold the motor shaft up with one hand With your other hand put the coupling nut 5 on the rod Put the coupling collars 4 into the coupling nut so large flanges point upward Gently let the motor shaft drop onto the rod Use a spanner wrench to tighten the coupling nut securely Connect the remaining air and fluid hoses and the ground wire 3A0735J Service 3A0735J 15 Parts Parts Complete Pump Models 24F625 and 24F626 AY Apply PTFE tape to threads A Hand tighten only A Apply sanitary lubricant A Apply medium strength blue thread locker Ay Apply an appropriate medium strength thread locker on the lift ring 16 and nut 15 every time it is installed to prevent it from coming loose durin
7. 24G762 lesse 18 Displacement Pump Models 24G761 and 24G762 lesse 19 KISS Runs TERI dete d nisus 19 Dimensions 21 2x ie eee et 21 Performance Chart suesusss 22 Technical Data eseeesss 23 Graco Standard Warranty 24 Maximum Air Inlet Pressure 100 psi 0 7 MPa 6 9 bar Maximum Fluid Working Pressure 1450 psi 10 1 MPa 100 4 bar Pump Displacement Model Pump Model Pump Type Pump Description Packings 24F625 24G761 Priming Piston Stubby Acetal PTFE Nitrile and UHMWPE 24F626 24G762 Priming Piston Stubby with extra seal Acetal PTFE Nitrile and UHMWPE For use with viscous sticky material 3A0735J Models GRACO Material Certification Reference SaniForce Product Family Issue Date September 14 2011 All fluid contact materials in the SaniForce product family are FDA Compliant and meet the United States Code of Federal Regulations CFR Title 21 Section 177 or are of a corrosion resistant grade Stainless Steel This includes the below product groups SaniForce 1040 1590 2150 Air Operated Double Diaphragm P umps SaniForce 1590 3150 HS Air Operated Double Diaphragm Pumps SaniF orce 1590 3150 HS 3 A Certified Air Operated Double Diaphragm Pumps SaniF orce 5 1 6 1 and 12 1 Air Operated Piston Pumps SaniF orce Diaphragm Pump and Piston Pump Drum Unloaders SaniF orce Diaphragm Pump
8. FFLER polyethylene 1 19 we HOSE exhaust 6 ft 1 Order Kit 16G384 for qty 3 of the piston rod grommet 20 101818 CLAMP hose 2 Lower Shroud Fastener Kit 16G432 Ref Part Description Qty 10 118134 SCREW cap M8 x 1 25 sst 4 3A0735J 17 Parts Displacement Pump Models 24G761 and 24G762 A Apply appropriate waterproof sanitary lubricant A Model 24G761 has a u cup 109 and two bearings 110 Model 24G762 has three bearings 110 and no u cup 109 A Piston u cup lips must face UP 18 1065 N 112 k Co ti15562a A V packing lips must face UP A Torque to 60 70 ft Ib 81 95 Nem A Cutout on piston must face DOWN A Throat u cup lips must face DOWN 3A0735J Displacement Pump Models 24G761 and 24G762 Ref 101 102 103a 103b 103c 103d 104 105 106 107 108 109 110 112 Kits Part 16G430 16G431 16E465 16G436 16G437 181892 167493 108543 181897 16A846 Description CYLINDER pump BASE pump includes Part 114 BASE u cup see Kits for U Cup Seal Assembly INSERT see Kits for U Cup Seal Assembly U CUP see Kits for package of 5 with o ring part 103d O RING see Kits for package of 5 with u cup part 103c ADAPTER tie rod ROD displacement ROD priming piston PISTON cylinder PLATE piston valve U CUP UHMWPE Model 24G761 only BEARING Model 24G761 Model 24G762 PLATE intake valve U Cup Seal Assembly Kit 24C623 Ref Part Descript
9. Flush Before First Use The sanitary pump was assembled using sanitary lubri cant on moving parts and was tested in water Flush the pump thoroughly with an appropriate cleaning solution and disassemble and sanitize the parts before using the pump See Flushing Procedure page 9 Check national state and local codes for specific limitations Adjusting the Pump Speed and Pressure Set pressure regulator to 0 psi Open the bleed type master air valve Adjust the pump air regulator until the pump is running smoothly Allow the pump to cycle slowly until all air is pushed out of the lines the fluid will flow in a steady stream from the fluid outlet and the pump is primed With the air supply turned on the pump will start when the dispensing valve is opened and stall against pres sure when the valve is closed In a circulating system the pump operates until the air supply is turned off Never allow the pump to run dry of fluid A dry pump will accelerate to a high speed possibly damaging itself If the pump accelerates quickly or is running too fast stop the pump immediately and check the fluid supply If the supply is empty and air has been pumped into the lines refill the container and prime the pump and lines with fluid Be sure to eliminate all air from the system Pump Shutdown Follow the Pressure Relief Procedure page 8 Always stop the pump at the bottom of its stroke to prevent fluid from drying on the displacem
10. Instructions and Parts G GRACO SaniForce 12 1 Sanitary Pumps 3A0735J For use in sanitary applications to transfer medium to high viscosity fluids For professional use only See page 2 for model information including maximum fluid working pressure Important Safety Instructions Read all warnings and instructions in this manual Save these instructions ti15718a PROVEN QUALITY LEADING TECHNOLOGY Models Contents Models ssc iim wee ie ee ERE E EV IER 2 Warnings mh eI ur 4 Installation leen 6 Gro nding escssriceifstuveei uer dmi 6 Mounting 00 cee eee eee 6 Setp sca pinata Wen ed E e Rd EY 6 Operation 2e a ee eee 8 Pressure Relief Procedure 8 Flush Before First Use 8 Adjusting the Pump Speed and Pressure 8 Pump Shutdown 0 0c eee eee 8 Maintenance 02 eee eee eee nnn 9 Flushing Procedure 200 e00 9 Cleaning Procedure 000 ee eee 9 Tighten Connections 00005 9 Troubleshooting seeeeeeeeese 10 Models Service Lolo liu ld ER RE 11 Disconnect the Pump ssusss 11 Disassemble the Pump ss 11 Reassemble the Pump Lse 13 Reconnect the Pump 2 005 14 Parls accede cetera ARR Lee ord eG eee 16 Complete Pump Models 24F625 and24F626 0 0 cee eee 16 Acor I rp 17 Displacement Pump Models 24G761 and
11. and Piston Pump Bin Evacuation Systems Bradley A Byron Quality Manager Graco Inc GRACO INC P O Box 1441 Minneapolis Minnesota 55440 1441 612 623 6000 3A0735J Warnings Warnings The following warnings are for the setup use grounding maintenance and repair of this equipment The exclama tion point symbol alerts you to a general warning and the hazard symbols refer to procedure specific risks When these symbols appear in the body of this manual refer back to these Warnings Product specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable SKIN INJECTION HAZARD High pressure fluid from dispensing device hose leaks or ruptured components will pierce skin This may look like just a cut but it is a serious injury that can result in amputation Get immediate surgical treatment Do not point dispensing device at anyone or at any part of the body Do not put your hand over the fluid outlet Do not stop or deflect leaks with your hand body glove or rag Follow the Pressure Relief Procedure when you stop dispensing and before cleaning checking or servicing equipment Tighten all fluid connections before operating the equipment Check hoses and couplings daily Replace worn or damaged parts immediately MOVING PARTS HAZARD Moving parts can pinch cut or amputate fingers and other body parts gt Keep clear of moving
12. ent rod The air motor will exhaust at the bottom and top of the stroke 3A0735J Maintenance Flushing Procedure Ww 2 NOTE e Flush before fluid can dry in the equipment at the end of the day before storing and before repairing equipment e Flush at the lowest pressure possible Check con nectors for leaks and tighten as necessary e Flush with an appropriate cleaning solution 1 Remove the pump from the fluid container Operate it at a slow rate to pump out as much fluid as possi ble 2 Follow Pressure Relief Procedure page 8 3 Place siphon tube in grounded metal pail containing an appropriate cleaning solution 4 Setpump air regulator to lowest possible fluid pres sure and start pump 5 Run the pump long enough to thoroughly clean the pump and hoses 6 Follow Pressure Relief Procedure page 8 Cleaning Procedure NOTE The following instructions are a basic procedure for cleaning a sanitary pump e Be sure to follow your national and state sanitary standard codes and local regulations e Use appropriate cleaning and disinfecting agents at intervals appropriate for product processed e Follow cleaning product manufacturer s instructions NOTE The pump must be disassembled to clean it thoroughly 1 Remove the pump from the fluid container Operate it at a slow rate to pump out as much fluid as possi ble 3A0735J Maintenance 2 Flush the system t
13. g operation Torque to 30 36 ft lb 41 49 Nem Do not over tighten 16 ti16013a 3A0735J Parts Complete Pump Models 24F625 and 24F626 Ref Part Description Qty Ref Part Description Qty 1 24G787 MOTOR SaniForce 7 5 in see 1 10 118134 SCREW cap M8 x 1 25 sst see 4 manual 3A1211 Kits 2 DISPLACEMENT PUMP 1 12 24G862 FITTING air inlet 1 2 npt 1 24G761 Model 24F625 Includes Ref 23 24G762 Model 24F626 13 16C946 FITTING 3 4 npt 1 3 16A939 COUPLER 1 14 165053 O RING PTFE 1 4 184130 COLLAR coupling 2 15 16C306 NUT hand 1 5 626045 COUPLING 1 16 16C009 RING lift 1 6 16C010 TIE ROD 13 3 in 338 mm 3 17A 280574 LABEL warning not shown 1 between shoulders 18 512914 MUFFLER see Kits 1 7 102216 NUT lock 5 8 11 sst 3 Tg eee HOSE exhaust see 1 8 16G380 SHROUD upper includes grom 1 20 101818 CLAMP hose see Kits 2 mets Ref 21 21 GROMMET see Kits 6 9 16G382 SHROUD lower includes fasten 1 22 16G084 FITTING air inlet 1 2 npt 1 ers Ref 10 and grommets 23 166702 O RING air inlet buna n 1 Rak eil A Replacement Danger and Warning labels tags and cards are available at no cost Kits Muffler Kit 16G390 Grommet Kit 16G385 Ref Part Description Qty Ref Part Description Qty 18 512914 MUFFLER polyethylene 2 21a GROMMET air motor piston 1 rod Exhaust Assembly Kit 166 389 214b GROMMET air fitting 2 Ref Part Description Qty ele ROMMET tie rod 3 18 512914 MU
14. ght and leak free Troubleshooting Troubleshooting uie MPa bar PSI e 1 Follow Pressure Relief Procedure page 8 2 Check all possible remedies in the Troubleshooting Chart before disassembling the pump Problem Pump fails to operate Cause Restricted air line or inadequate air supply Solution Clear air line or increase air supply Insufficient air pressure closed or clogged air valves etc Open or clean air valves etc Exhausted fluid supply Damaged air motor Refill fluid supply Service Pump operates but output low on both strokes Restricted air line or inadequate air supply Clear air line or increase air supply Insufficient air pressure closed or clogged air valves etc Exhausted fluid supply Open or clean air valves etc Refill fluid supply Obstructed fluid line valves dispens ing valve etc Clear Relieve pressure and discon nect fluid line Turn on air If pump starts the fluid line is clogged Worn throat packing 103 Damaged cylinder o ring 123 Replace throat packing Replace o ring Pump operates but output low on down stroke Pump operates but output low on up stroke Held open or worn fluid inlet valve Clear or service fluid inlet valve Damaged cylinder o ring 123 Held open or worn fluid piston or seal 109 110 Replace o ring Clear or service fluid pisto
15. horoughly with an appropriate cleaning solution See Flushing Procedure page 9 3 Follow the Pressure Relief Procedure page 8 4 Remove the air and fluid hoses and fittings from the pump 5 Ram Mounted Pumps Loosen the hand screw and lift the upper shroud straight up on the rod Other Pumps Remove the upper shroud 6 Clean thoroughly the surface between the upper and lower shrouds 7 Disassemble the fluid pump and accessories See Disassemble the Pump page 11 8 Wash all pump parts with an appropriate cleaning solution at the cleaning product manufacturer s rec ommended temperature and concentration 9 Rinse all pump parts again with water and allow them to dry 10 Inspect all pump parts and reclean if needed NOTE Any damaged rubber parts must be replaced as they could harbor microorganisms that can contaminate the fluid 11 Immerse all pump parts in an appropriate sanitizer before assembly Take the pump parts out of the sanitizer one by one as needed 12 Lubricate the moving pump parts and o rings pack ings and seals with appropriate waterproof sanitary lubricant 13 Circulate the sanitizing solution through the pump and the system prior to use 14 Ram Mounted Pumps Clean all ram surfaces Remove and clean the inflatable seal and ram plate See Manual 3A0591 Tighten Connections Before each use check all hoses for wear or damage Replace as necessary Check that all connections are ti
16. ion 103a BASE 103b INSERT 103c U CUP SEAL 103d O RING U Cup Seal O Ring Kit 24G858 Ref Part Description 103c U CUP SEAL 103d O RING 3A0735J Qty 1 4 4 1 l l ol oc WP Qty Qty Ref 113 114 115 116 117 118 119 120 121 122 123 125 Part 16A847 167481 167482 167486 16G386 167480 167479 172200 102533 16D164 16F603 Description SPACER SEAT valve HOUSING intake valve seal STACK gland packing NUT packing CLAMP assembly GUIDE valve plate pump PLATE priming piston valve PISTON priming NUT plain hex O RING 152 nitrile PIN locking 5 16 in Parts Qty N lt PO SH HS St et Parts included in Repair Kit 24G555 Displacement Pump Model 24G761 or Repair Kit 24G556 Dis placement Pump Model 24G762 19 Parts 20 3A0735J Dimensions Dimensions 47 5i 121 ti15718a 4 1 in 10 4 cm Add 4 7 in 12 cm to allow for full extension of the priming piston rod 3A0735J 21 Performance Chart Performance Chart Fluid Outlet Pressure psi MPa bar 22 1400 9 7 97 1200 8 3 83 1000 7 0 69 800 b 5 55 600 4 1 41 400 2 8 28 200 1 4 14 Cycles per Minute 43 23 30 36 49 56
17. ive parts The equipment will be returned to the original purchaser transportation prepaid If inspection of the equipment does not disclose any defect in material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation and buyer s sole remedy for any breach of warranty shall be as set forth above The buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale GRACO MAKES NO WARRANTY AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IN CONNECTION WITH ACCESSORIES EQUIPMENT MATERIALS OR COMPONENTS SOLD BUT NOT MANUFACTURED BY GRACO These items sold but not manufactured by Graco such as electric motors switches hose etc are subject to the warranty if any of their manufacturer Graco will provide purchaser with reasonable assistance in making any claim for breach of these warranties In no event will Graco be liable for indirect incidental special or c
18. ive v packings 116c with the lips facing up and male gland 116d Loosely thread packing nut 117 into the valve housing 115 116a 115 ti15568a FiG 6 Intake valve housing 4 Install the u cup 103c and insert 103b into the u cup seal assembly base 103a Throat u cup lips must face down Then install the o ring 103d 5 Lubricate the displacement rod piston rod assembly and slide into the cylinder from the top 6 Install the u cup assembly 103 in the top of the cyl inder 101 Reassembly may be difficult Use steady force until the assembly drops into place 3A0735J FIG 10 11 12 13 14 Service Turn the pump on its side Use a rubber mallet to tap the displacement rod so the piston rod extends well out of the cylinder Install the valve plate 112 and the spacer 113 into the bottom of the cylinder Install the cylinder o ring 123 ti15798a 7 Valve plate Lubricate the piston rod and the inside of the pack ing nut 117 and intake valve housing 115 Slide the assembly onto the piston rod then use two wrenches to tighten the valve housing Stand the pump upright placing the cylinder 101 into the base 102 Reattach the clamp to hold the base 102 to the cylinder 101 Replace the pin 125 Turn the pump on its side Use a rubber mallet to tap the displacement rod so the piston rod extends well out of the cylinder Hold the displacement rod 105
19. ms replace hose immediately Air compressors follow manufacturer s recommenda tions Dispense valve ground through connection to a prop erly grounded fluid hose and pump Material supply container follow local code Container s that receive material follow local code Solvent pails used when flushing follow local code Use only conductive metal pails placed on a grounded surface Do not place the pail on a nonconductive sur face such as paper or cardboard which interrupts grounding continuity To maintain grounding continuity when flushing or relieving pressure hold metal part of the dispense valve firmly to the side of a grounded metal pail then trigger the valve Mount the pump on a surface than can support the weight of the pump and accessories as well as the stress caused during operation Do not use air or fluid lines to support the pump Setup Ee To avoid contaminating the fluid pipe the exhaust air to vent outside of the fluid product area away from people animals or food handling areas NOTE Reference numbers and letters in parentheses in the text refer to the callouts in the figures and the parts drawings Accessories are available from Graco Make certain all accessories are sized and pressure rated to meet your system requirements FiG 1 is only a guide for selecting and installing system components and accessories Contact your Graco dis tributor for assis
20. n or seal Erratic or accelerated operation Exhausted fluid supply Refill fluid supply Held open or worn fluid inlet valve Held open or worn fluid piston or seal 109 110 Clear or service fluid inlet valve Clear or service fluid piston or seal 10 3A0735J Service Disconnect the Pump A v d x A o Moving parts can pinch cut or amputate fingers and other body parts Keep your hands and fingers away from the priming piston during operation and whenever the pump is charged with air 1 Remove the pump from the fluid container Operate it at a slow rate to pump out as much fluid as possi ble 2 Follow the Pressure Relief Procedure page 8 3 Remove the air and fluid hoses from the pump Ram mounted pumps leave ram air connected for now 4 Holdthe reducer fitting with a wrench Use a spanner wrench to loosen the cou pling nut 5 Lower the coupling nut enough to remove the cou pling collars ti15575a l I N IR L C RE mm 4 gp QO ti15576a 6 Remove the clamps holding the pump base to the ram or drum Ram mounted pumps Use the ram to lift the air motor Disconnect air lines 7 Remove the clamp holding the displacement pump to the air motor Carry the displacement pump to the bench for service 3A0735J Service Disassemble the Pump NOTE Pump Repair Kits are available Purchase
21. nd dispose of it according to applicable guidelines PERSONAL PROTECTIVE EQUIPMENT You must wear appropriate protective equipment when operating servicing or when in the operating area of the equipment to help protect you from serious injury including eye injury hearing loss inhalation of toxic fumes and burns This equipment includes but is not limited to Protective eyewear and hearing protection Respirators protective clothing and gloves as recommended by the fluid and solvent manufacturer 3A0735J Installation Installation Grounding A wo The equipment must be grounded Grounding reduces the risk of static and electric shock by providing an escape wire for the electrical current due to static build up or in the event of a short circuit Mounting x To avoid injury from a falling pump check the torque on the lift ring 16 and nut 15 before using the lift ring to lift the pump Torque to 30 36 ft Ib 41 49 Nem Pump Connect a ground wire Graco PN 238909 to the ground screw on the bottom cover of the air motor under the shroud Connect the other end of the ground wire to a true earth ground Air and fluid hoses use only electrically conductive hoses with a maximum of 500 ft 150 m combined hose length to ensure grounding continuity Check elec trical resistance of hoses If total resistance to ground exceeds 25 megoh
22. on 107 Remove the bearings 110 from the piston Model 24G761 has two bearings Model 24G762 has three bearings NOTE On Displacement Pump Model 24G761 care fully remove the u cup seal 109 Use a pick not a screwdriver as the packing may deform A 106 108 d Tu iem 110 ti15571a Fic 4 Remove piston and seals 12 11 Stand cylinder upright Remove the u cup seal assembly which includes the base 103a insert 103b o ring 103d and u cup 103c ti15569a Fic 5 Remove u cup seal assembly 12 Refer to the Cleaning Procedure on page 9 Clean the parts and inspect them for wear or damage Replace them as necessary 3A0735J Reassemble the Pump NOTE Any damaged rubber parts must be replaced as they could harbor microorganisms that can contaminate the fluid NOTE Lubricate the o rings throat packings and piston seals with appropriate waterproof sanitary lubricant prior to installation 1 Install the bearings 110 and the u cup seal 109 24G761 only on the piston 107 The lips of the piston u cup must face up Install the valve plate 108 and piston assembly on the displacement rod 105 Cutout on piston must face down 2 Use wrenches on the displacement rod flats and the piston rod flats to reconnect Torque to 60 70 ft Ib 81 95 Nem 3 Install the packing stack 116 into the intake valve housing 115 Maintain the following order shims 116a female gland 116b f
23. onsequential damages resulting from Graco supplying equipment hereunder or the furnishing performance or use of any products or other goods sold hereto whether due to a breach of contract breach of warranty the negligence of Graco or otherwise FOR GRACO CANADA CUSTOMERS The Parties acknowledge that they have required that the present document as well as all documents notices and legal proceedings entered into given or instituted pursuant hereto or relating directly or indirectly hereto be drawn up in English Les parties reconnaissent avoir convenu que la r daction du pr sente document sera en Anglais ainsi que tous documents avis et proc dures judiciaires ex cut s donn s ou intent s la suite de ou en rapport directement ou indirectement avec les proc dures concern es Graco Information For the latest information about Graco products visit www graco com For patent information see www graco com patents TO PLACE AN ORDER contact your Graco distributor or call to identify the nearest distributor Phone 612 623 6921 or Toll Free 1 800 328 0211 Fax 612 378 3505 All written and visual data contained in this document reflects the latest product information available at the time of publication Graco reserves the right to make changes at any time without notice Original instructions This manual contains English MM 3A0735 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO
24. tance in designing a system to suit your particular needs Install a bleed type master air valve G close to the pump air inlet D to relieve air trapped between it and the air motor Install an air filter regulator F in the pump air line upstream from the bleed valve to control air inlet pres sure and to remove harmful dirt and contaminants from your compressed air supply 3A0735J Installation Install a pump runaway valve S in the pump air line to On the air drop to the dispense valve K install an air shut off air to the air motor automatically if the pump regulator M to control air pressure to the valve Install a starts to run too fast bleed valve G to use as a shutoff when servicing the dispense valve Install another bleed type master air valve G upstream from all air line accessories and use it to isolate the Connect air solenoid valves H to a timer control L accessories during cleaning and repair and set so the dispense valve K will dispense at proper intervals Main Air Line G Hf 7 Q I GD A dE gt F 16 ri R j ut BB BUS G MH K B g D D pn N f 4 Ow ps Seq m uu Enc I
25. the kit separately See the Parts list on page 19 to select the correct kit for your pump Kit parts are marked with an 1 With the pump on its side tap the displacement rod 105 with a rubber mallet to drive the priming piston assembly out of the base 102 2 Hold the valve plate guide 119 with a wrench Use another wrench to remove the priming piston nut 122 3 Remove the priming piston tipo 121 and the valve plate 120 4 Remove the clamp 118 from the base 102 Then remove the base 102 Tap with a rubber mallet to loosen if needed 5 Remove the o ring 123 and the spacer 113 Tap the displacement rod again to drive the displace ment rod priming piston rod assembly 105 106 out of the cylinder 101 6 Hold the rod 106 with a wrench and remove the priming piston guide 119 ned 122 ti15566a Fic 2 Remove piston rod 11 Service T Hold the piston rod 106 with a wrench Use another wrench to loosen the intake valve housing 115 then remove it If the intake valve housing 115 is stuck to the rod tap with a plastic rod and mallet Screw out the packing nut 117 and remove the packing stack 116 from the intake valve housing 115 Fic 3 Intake valve housing 9 10 Remove the valve plate 112 Use wrenches on the dis placement rod flats 105 and the piston rod flats 106 to dis connect ti15570a Remove the valve plate 108 and the pist
26. ty Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use With the exception of any special extended or limited warranty published by Graco Graco will for a period of twelve months from the date of sale repair or replace any part of the equipment determined by Graco to be defective This warranty applies only when the equipment is installed operated and maintained in accordance with Graco s written recommendations This warranty does not cover and Graco shall not be liable for general wear and tear or any malfunction damage or wear caused by faulty installation misapplication abrasion corrosion inadequate or improper maintenance negligence accident tampering or substitution of non Graco component parts Nor shall Graco be liable for malfunction damage or wear caused by the incompatibility of Graco equipment with structures accessories equipment or materials not supplied by Graco or the improper design manufacture installation operation or maintenance of structures accessories equipment or materials not supplied by Graco This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed defect If the claimed defect is verified Graco will repair or replace free of charge any defect
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