Graco 307906W User's Manual
Contents
1. 11 Apply thread sealant to the threads of the fluid Install the cap on the cylinder 4 piston 19 screw the fluid piston onto the piston rod 10 and torque to 23 ft lb 31 2 Nem 16 Assemble the cylinder 4 onto the base 5 Screw the cylinder and base together hand tight 12 Install the air motor rod assembly by inserting it up through the base from the bottom 17 Screw the intake valve housing 21 of the assembled intake valve assembly onto the fluid cylinder 24 13 Install the spring 8 and the washer 7 on top of E f ed the piston rod 10 18 Heavily lubricate the top inside diameter of the fluid cylinder 24 and the outside threads Careful ly guide the fluid piston assembly into the fluid 14 Apply sealant to the threads of the piston rod 10 cylinder Push the fluid cylinder up and screw it Carefully hand tighten the air piston assembly 15 into the pump base Use a pipe wrench on the onto the piston rod until it is secure Do not knurled part of the intake valve housing 21 to tighten with tools tighten the fluid cylinder and the intake valve 2 SS 150 O wer 6 g 15d Oe i e 15a SY q 15 gt geo ie 7 2 San 8 e A 15g Apply sealant to threads of screw S and torque to 10 to 14 in lb o eas e amp 1 3 to 1 6 N m air inlet Y 5 we ip A Piston Detail NOTE Use pliers and Ni i wrench only for loosening Y A Pliers 15c the piston assembly from x the piston rod Do not use Je2. G reduces the risk of static sparking The thermal relief kit R assists in relieving pressure in the pump hose and dispensing valve due to heat expansion e Extension Tubes Pump models 222103 and 222104 have extensions tubes An extension tube may be added to the Universal pump for use in submerged applications To install apply PTFE tape to the female threads at the top of the tube Thread the tube tightly into the intake housing of the Universal pump Also install a bung adapter To order a standard 2 in bung adapter order Part No 222308 e Air and Fluid Hose Kits F An 18 in kit for wall mounted pumps and a 6 ft kit for drum mounted pumps are available Use a minimum 1 4 in ID air supply hose between the pump air inlet and the air accessories To order a kit with 1 4 in air hose 1 4 in swivel elbow 3 4 in fluid hose and 3 4 in swivel elbow order one of the kits below 222118 18 in 0 4 m hose kit for wall mounted pumps 222119 6 ft 1 8 m hose kit for drum mounted pumps Installation e Wall Bracket Use the wall bracket J for wall mounting the Universal pump This wall bracket is sized to fit any Graco pump designed to use a 2 in bung adapter Order Part No 203987 e Runaway Valve Install a pump runaway valve to shut off the air to the pump when the pump acceler ates beyond the pre adjusted setting A pump that is in a runaway condition can be seriously dam aged 44 CAUTION Never
3. piston PISTON fluid RETAINER ball HOUSING intake valve O RING nitrile rubber BALL steel 1 25 mm dia CYLINDER fluid O RING buna N BUNG ADAPTER SPACER foot TUBE extension 55 gal drum TUBE extension 275 gal tank Included in Repair Kit 247431 Qty XA A dl dl nd dl do do dl do od dl dl do dol Parts Drawing N 7 A nS on Pee oe eye h N 1A 12A Q al A ef g CT d j El i A Ge AN Torque to 10 to 14 in lb 1 3 to 1 6 N m AN Torque to 23 ft lb 31 2 Nem A Torque to 95 to 105 ft lb 129 to 142 N m A Lips face up A Lips face down A Smaller OD up Smaller OD down 05944B 307906 13 Dimensional Drawi 1 4 npt f l 15 7 in 400 mm ground 3 4 npt f o s Noes i On ee ng ing screw 36 6 in KOUKI CARL 1 1 2 npt f extension tube 929 mm Model 222103 46 6 in 1183 mm Model 222104 stand off we 059408 Technical Data Maximum working pressure 180 psi Piston rod diameter 1 375 in 34 9 mm 1 2 MPa 12 4 bar Stroke length canarias 4 in 101 mm Fluid pressure ratio o ooooooooooooo 1 1 Wetted parts carbon steel aluminum urethane UHMWPE Air pressure range nuanua 40 to 180 psi Approximate weight 0 28 to 1 2 MPa 2 8 to 12 4 bar Model 222051 casera dede 8 Ib 3 6 kg Model 2
4. 28 Bung adapter ate AI _S _CCCC EO Install the accessories in the order shown in the typical installation in Fig 1 The installation shown in Fig 1 is only a guide for selecting and installing a pump it is not an actual system design Contact your Graco representative for assistance in designing a system to suit your needs NOTE Blow out all lines with compressed air before you connect the pumps 44 CAUTION 44 CAUTION Always mount the pump firmly to a wall bracket or Do not hang the air accessories directly on the air a bung on a drum Never operate the pump while it inlet P The fittings are not strong enough to is not mounted Such use could damage the pump support the accessories and may break Provide a and fittings bracket on which to mount the accessories 307906 5 Installation Grounding Proper grounding is an essential part of maintaining a safe system To reduce the risk of static sparking ground the pump Check your local electrical code for detailed grounding instructions for your area and type of equipment Be sure to ground all of this equipment e Pump Use a ground wire and clamp as shown in Fig 2 e Air compressor Follow the manufacturer s recom mendations e Object being dispensed to Follow the local code e Fluid supply container Follow the local code e To maintain grounding continuity when flushing or relieving pressure always hold a metal part of the dispensing valve firm
5. always remove air cap 2 from air cylinder 4 before removing air cylinder from base 5 4 Remove the air cap 2 Gently pry the coils of the spring 17 to remove the spring Check the spring for wear or damage and replace as needed 5 Use a strap wrench to unscrew the air cylinder 4 from the base 5 6 Unscrew the air piston assembly 15 from the piston rod 10 Use pliers on the air exhaust plate 15c and a wrench on the piston rod See the Piston Detail in Fig 3 10 307906 NOTE Old cured thread sealant on the piston rod threads makes it necessary that you use tools to remove the air piston assembly from the piston rod Do not use these tools when you screw the air piston assembly onto the piston rod 7 Disassemble the air piston assembly 15 See the Piston Detail in Fig 3 Clean all parts and inspect them for wear or damage If any valve plate spacers are damaged replace all three in order to maintain the correct clearance between the valve plates and seals 8 Check the spring 8 for wear or damage and replace as needed 9 Apply sealant such as Loctite green to the threads of the screws Assemble the parts as shown in the Piston Detail in Fig 3 Torque the screws to 10 to 14 in Ib 1 3 to 1 6 N m Displacement Pump See Fig 3 and see the Parts Drawing on page 13 44 WARNING Do not cycle the pump with any parts disassemb led See the Moving Parts Hazard on page 4 1 Use a
6. both strokes Fluid outlet line intake valve or Relieve the pressure Check and clear obstructions dispense valve is clogged 44 WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 8 307906 9 Service NOTE Clean and inspect all parts for wear or damage when disassembled Replace parts as needed Repair Kit 247431 is available For the best results use all the parts in the kit Parts included in the kit are marked with an asterisk in the text figures Parts Drawing and Parts List Intake Valve See the Parts Drawing on page 13 1 Relieve the pressure 44 WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 8 2 Unscrew the valve housing 21 Remove the o ring 22 ball 23 and retainer 20 3 Inspect the parts for wear or damage If the ball is nicked replace it Apply liquid sealant to the male threads and reassemble Air Motor See Fig 3 1 Relieve the pressure 44 WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 8 2 Remove the air hose and fluid hoses 3 Place the air motor base 5 in a vise A WARNING To reduce the risk of injury from trapped air pres sure when servicing the air motor
7. 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 consequential 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 reconnais sent 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 a la suite de ou en rapport directement ou indirectement avec les procedures concern es Graco Information TO PLACE AN ORDER contact your Graco distributor or call one of the following numbers to identify the distributor closest to you 1 800 533 9655 Toll Free 612 623 6928 612 378 3590 Fax 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
8. e eens 15 This symbol alerts you to the possibility of damage to Graco Standard Warranty 000 0as 16 or destruction of equipment if you do not follow the Graco Information 0 cee eee eee eee 16 instructions A WARNING EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury e This equipment is for professional use only Read all instruction manuals tags and labels before you operate the equipment Use the equipment only for its intended purpose If you are not sure call your Graco distributor Do not alter or modify this equipment Use only genuine Graco parts and accessories Check equipment daily Repair or replace worn or damaged parts immediately Do not exceed the maximum working pressure of the lowest rated component in your system This equipment has a 180 psi 1 2 MPa 12 4 bar maximum working pressure at 180 psi 1 2 MPa 12 4 bar maximum incoming air pressure Use fluids and solvents that are compatible with the equipment wetted parts Refer to the Techni cal Data section of all equipment manuals Read the fluid and solvent manufacturer s warnings Do not use 1 1 1 trichloroethane methylene chloride other halogenated hydrocarbon solvents or fluids that contain such solvents in pressurized aluminum equipment Such use could result in a chemical reaction with the possibility of explosion Handle hoses carefully Do not pull on
9. hoses to move equipment Route hoses away from traffic areas sharp edges moving parts and hot surfaces Do not ex pose Graco hoses to temperatures above 82 C 180 F or below 40 C 40 F Do not lift pressurized equipment Comply with all applicable local state and national fire electrical and safety regulations 2 307906 A WARNING SKIN INJECTION HAZARD Fluid from the dispensing valve leaks or ruptured components can inject fluid into your body and cause extremely serious injury including the need for amputation Fluid splashed in the eyes or on the skin can also cause serious injury If a fluid injection injury occurs get immediate surgical treatment Do not treat as a simple cut Tell the doctor exactly what fluid was injected Do not point the dispensing valve at anyone or at any part of the body Do not put your hand or fingers over the end of the dispensing valve Do not stop or deflect leaks with your hand body glove or rag Use only extensions and no drip tips that are designed for use with your dispensing valve Do not use a low pressure flexible nozzle with this equipment Follow the Pressure Relief Procedure on page 8 if the dispensing valve clogs before you clean check or service the equipment Tighten all fluid connections before you operate the equipment Check the hoses tubes and couplings daily Replace worn or damaged parts immediately Do not repair high pressure couplings you must
10. make changes at any time without notice This manual contains English MM 307906 For patent information www graco com patents Graco Headquarters Minneapolis International Offices Belgium Korea China Japan www graco com 02 1989 Revised February 2014 16 307906
11. replace the entire hose TOXIC FLUID HAZARD Hazardous fluids or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin inhaled or swallowed Know the specific hazards of the fluid you are using Store hazardous fluid in an approved container Dispose of hazardous fluid according to all local state and national guidelines Always wear protective eyewear gloves clothing and respirator as recommended by the fluid and solvent manufacturer 307906 3 A WARNING FIRE AND EXPLOSION HAZARD Improper grounding poor ventilation open flames or sparks can cause a hazardous condition and result in a fire or explosion and serious injury Ground the equipment and the object being lubricated See Grounding on page 6 If there is any static sparking or you feel an electric shock while using this equipment stop dispensing immediately Do not use the equipment until you identify and correct the problem Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid being dispensed Keep the dispensing area free of debris including solvent rags and gasoline Do not smoke in the dispensing area MOVING PARTS HAZARD Moving parts can pinch or amputate your fingers or other body parts Do not cycle the pump with any parts disassembled Keep clear of all moving parts when you start or operate the pump Before you service the equipment follow the Pressure Relief Proce
12. 2 15a them for tightening the fluid outlet a piston assembly 24 0 082 in sp Sa 0 8 mm 21 OA minimum Sa A wrench Fig 3 intake valve gt 059438 307906 11 Model 222051 Series E Universal Pump Includes items 1 through 27 Ref OANOoaKRWND 9 11 12 13 15 15a 15b 15c 15d 15e 15f 15g 12 Part No 168825 185218 185528 183520 162989 157872 157633 158109 191389 185428 110247 116343 24J679 108357 108358 162729 189210 181485 181487 220884 307906 Parts List Model 222103 Series E 55 Gallon Drum Bung Mount Pump Description AIR MOTOR includes items 2 through 17 CAP air motor LABEL identification CYLINDER air BASE air motor GASKET WASHER valve SPRING compression piston GASKET PISTON ROD RING wiper SEAL SCREW ground KIT air valve includes items 15a through 159 O RING O RING PLATE air exhaust valve PISTON SPACER valve plate PLATE valve SCREW GASKET assy Includes items 1 through 26 and 28 through 31 Ref No Part No 16 121010 17 157630 18 100279 19a 116153 19b 116152 19 196802 20 157182 21 183009 22 156633 23 101190 24 196803 26 156641 28 222308 30 110127 31 191130 32 191131 Model 222104 Series E 275 Gallon Tank Bung Mount Pump Includes items 1 through 26 28 through 30 and 32 Description SEAL shaft SPRING compression cap BALL steel 0 88 22 2 mm dia WASHER CUP
13. 22103 20 0005 13 Ib 5 9 kg Air consumption Approximately 1 5 cfm 0 042 m9 min Mode rn A scan 14 Ib 6 4 kg at 1 gpm 3 8 Ipm at 100 psi Maximum temperature 180 F 82 C 0 7 MPa 7 bar air pressure Sound data Sound pressure level 74 9 dB A Sound power level 83 5 dB A 1 48 sq in 9 55 sq cm Effective piston area 14 307906 Sound measurements were taken at 100 psi air 0 7 MPa 7 bar inlet pressure at 40 cycles per minute per ISO Standard 3744 Loctite is a registered trademark of Loctite Corporation Performance Curves Fluid Ai Souler are KEY black curves fluid outlet pressure Consumption MPa bar gray curves air consumption scfm m3 min 150 1 0 10 4 D 125 10 0 85 8 5 0 280 A 40 psi 0 28 MPa 2 8 bar air pressure B 70 psi 0 48 MPa 4 8 bar air pressure C 100 psi 0 7 MPa 7 bar air pressure D 150 psi 1 0 MPa 10 4 bar air pressure 100 8 0 7 7 0 224 Cc 0 51 5 1 0 168 50 4 0 34 3 4 0 112 25 2 0 17 1 7 0 056 0 0 1 2 3 4 5 3 8 7 6 11 4 15 1 18 9 FLUID FLOW gpm Ipm Test Fluid No 10 weight oil at 75 F 23 9 C To find fluid outlet pressure at a specific fluid flow To find pump air consumption at a specific fluid and operating air pressure flow and air pressure 1 Locate desired fluid flow along bottom of chart 1 Locate desired flow along bottom of
14. Instructions Parts List 5 GRACO 1 1 RATIO 307906W E Fast Ball Pumps Ed For non abrasive and non corrosive oils and lubricants only s 180 psi 1 2 MPa 12 4 bar Maximum Air and Fluid Working Pressure Q ERE Oil Pumps Ses These pumps are designed to pump lubricating fluids only Lp Model No 222051 Series E A Universal Pump TI LA C Model No 222103 Series E y 55 Gallon Drum Bung Mount Pump NH A C Model No 222104 Series E l LD 275 Gallon Tank Bung Mount Pump ig e Important Safety instructions gt Read all warnings and instructions in this manual gt Save these instructions Ru See page 2 for Table of Contents S NS HY Oe eee SA KG GMS EGGS Model 222051 i A 05939B Models 222103 222104 05940B GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 PROVEN QUALITY LEADING TECHNOLOGY Copyright 1989 Graco Inc is registered to 1 5 EN ISO 9001 Table of Contents Symbols Warning Symbol fee ee 44 WARNING OPGralion mit A A A hea et 8 j ao j Troubleshooting cece eee 9 This symbol alerts you to the possibility of Serious Service desta ri ide 10 injury or death if you do not follow the instructions A E EE areca nee uns 12 Caution Symbol Parts Drawing orreri renren er EAA ees 13 Dimensional Drawing 00 0 e eee 14 A CAUTION Technical Data s ice 0 cece 14 Performance Curves 2 00 eee
15. allow the pump to run dry of the fluid being pumped A dry pump quickly accelerates to a high speed possibly damaging itself and it may get very hot e Bleed Type Master Air Valve Install a bleed type master air valve E to relieve air trapped between it and the motor when the valve is closed To order a 300 psi 2 1 MPa 21 bar 1 4 in npt f bleed type master air valve order Part No 110223 e Suction Kit The suction kit L is for use with the wall mounted Universal pump and it includes a drum tube and hose To order a suction kit order Part No 213099 e Air Motor Lubricator The air motor lubricator D provides automatic air motor lubrication To order a 250 psi 1 7 MPa 17 4 bar 1 4 in npt f air motor lubricator order Part No 110148 Air Regulator and Gauge Use the air regulator and gauge C to control air pressure and pump speed To order a 0 to 200 psi 0 to 1 4 MPa O to 14 bar regulated pressure range 300 psi 2 1 MPa 21 bar maximum 1 4 in npt f air regulator and gauge order Part No 110147 Air Filter The air filter B removes harmful dirt and moisture from the compressed air supply To order a 300 psi 2 1 MPa 21 bar 1 4 in npt f air filter 20 micron element order Part No 110146 Air and Fluid Shutoff Valves Install air shutoff valves A and fluid shutoff valves H as shown to isolate the pump while you are servicing it Quick Disconnect Coupler and Nipple The quick discon
16. chart 2 Follow vertical line up to intersection with 2 Read vertical line up to intersection with selected fluid outlet pressure curve black selected air consumption curve gray 3 Follow left to scale to read fluid outlet pressure 2 Follow right to scale to read air consumption 307906 15 Graco Standard Warranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship onthe 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 sub stitution 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
17. dure on page 8 to prevent the equipment from starting unexpectedly United States Government safety standards have been adopted under the Occupational Safety and Health Act You should consult these standards particularly the General Standards Part 1910 4 307906 Installation Y A r Ta A Ke Main Air Line Main Fluid Line ee e DEF iL ZRF Q i P P g E mT hee LJ Y A vo aN on IRN Sa NN J ee Iss C N l gt C M KEY a A Air shutoff valve J Wall bracket B Air filter K Universal pump Model 222051 C Air regulator and gauge L Suction kit D Air motor lubricator M 55 gallon drum bung mount pump Model 222103 E Bleed type master air valve required Part No 110223 N Fluid drain valve required Part No 210658 F Air and fluid hose kits P Air inlet G Ground wire required Part No 222011 Q Ball valve for releasing collected moisture H Fluid shutoff valve R Thermal relief kit required for permanent installations Part No 237601
18. in the desired results This results in optimum system efficiency and reduces pump wear 1 Shut off the air supply to the pump 2 Close the bleed type master air valve required in your system 3 Hold a metal part of the dispensing valve firmly to i a grounded metal waste container and trigger the NOTES valve to relieve pressure e The pump only takes a few strokes to prime How ever in a large system it may take several minutes If you suspect that the nozzle or hose is completely f SSI to completely prime the fluid lines clogged or that pressure has not been fully relieved after you have followed the steps above do the follow ing Wrap a rag around the hose end coupling and e Never allow a pump to run dry of the fluid being relieve pressure gradually by very slowly partially pumped A dry pump quickly speeds up and can loosening the fitting Then loosen completely then damage itself If it speeds up shut off the air supply clear the obstruction to the motor immediately Refill the supply con tainer and prime the pump to eliminate air in the A WARNING fluid line a HAZARDOUS VAPORS e To prevent air from being sucked into the pump and The air motor exhaust coming out of the fluid lines if the supply container runs dry use a AR muffler could contain harmful materials low level cutoff valve at the pump intake To order a such as oil antifreeze or some of the 1 1 2 in npt f thread connection low level cutoff ma
19. ly to the side of a grounded metal container then trigger the valve To ground the pump remove the ground screw Z and insert through the eye of the ring terminal at end of ground wire Y Fasten the ground screw back onto the pump and tighten securely Connect the other end of the wire to a true earth ground To order a ground wire and clamp order Part No 222011 05941B Fig 2 6 307906 System Accessories A WARNING Three accessories are required in your system bleed type master air valve fluid drain valve and grounding wire Additionally for permanent installa tions a thermal relief kit is required These acces sories help reduce the risk of serious bodily injury including fluid injection splashing in the eyes or on the skin injury from moving parts if you are adjust ing or repairing the pump and explosion from static sparking e The bleed type master air valve E relieves air trapped between it and the air motor after the air supply is shut off Trapped air can cause the air motor to cycle unexpectedly causing serious injury if you are adjusting or repairing the pump As an alternative use a quick disconnect coupler and fitting Install them near the pump air inlet within easy reach from the pump The fluid drain valve N assists in relieving fluid pressure in the displacement pump hoses and dispensing valve Triggering the valve to relieve pressure may not be sufficient The ground wire
20. nect coupler and nipple not shown are used to quickly disconnect the air supply Attach the coupler Part No 208536 to the pump air inlet hose and install the nipple Part No 169970 to the pump air inlet P Thermal Relief Kit Install the thermal relief kit on the dispensing valve side of the pump to assist in relieving pressure in the pump hose and dispens ing valve due to heat expansion To order a 600 psi 4 2 MPa 41 bar Thermal Relief Kit order Part No 237601 307906 7 Operation Pressure Relief Procedure To Start the Pump 1 Turn the air regulator to the minimum setting A WARNING PRESSURIZED FLUID HAZARD 2 Direct the outlet hose into a waste container This equipment stays pressurized until pressure is manually relieved To reduce the risk of serious injury from moving parts pressurized fluid accidental spray from the 3 Open the bleed type master air valve valve or splashing fluid follow this procedure 4 Slowly adjust the air regulator until the pump is whenever you do any of the following running smoothly and all air has been pumped out e Are instructed to relieve pressure of the pump and hoses If the pump contains Stop dispensing solvent be sure to pump it all into the waste Oo e Check clean or service any system equipment container Oo Install or clean dispensing devices 5 Use the air regulator to control the pump speed and cycle rate Always use the lowest pressure needed to obta
21. 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 defective 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
22. strap wrench on the fluid cylinder 24 to unscrew it from the motor base 5 Pull down on the piston rod 10 until you have access to the fluid piston assembly 19 2 Stand the fluid piston assembly 19 in a vise and remove the piston rod 10 3 Unscrew the fluid piston 19 from the piston rod 10 and be careful not to drop the ball 18 Remove the piston rod the rest of the way from the base 4 Remove the shaft seal 16 wiper ring 11 and the gasket 9 from the top of the motor base 5 5 Reach inside the opening of the air motor base 5 to remove the o ring 26 Carefully remove the wiper ring 11 and the seal 12 from the motor base 6 Carefully inspect the smooth inner surface of the fluid cylinder 24 for scoring or irregular surfaces Such damage causes premature packing wear and leaking so replace the part if needed 7 Lubricate and install the new shaft seal 16 wiper ring 11 and gasket 9 seal 12 wiper ring 11 and o ring 26 into the base 8 Lubricate the new seal 19b and install it on the fluid piston 19c 9 Install washer 19a onto fluid piston 19c Service 10 Place the ball 18 on the fluid piston 19c 15 Lubricate the outside of the air piston assem bly 15 Install the spring 17 into the cap 2 Lubricate the gasket 6 and install it in the cap
23. terial being pumped valve Order Part No 203688 8 307906 Troubleshooting robin se soon Pump does not run There is no fluid demand In a closed end system the pump runs only when there is demand for fluid Air supply is insufficient Check air supply Increase air pressure or volume Fluid outlet line or intake valve is Relieve the pressure Check and clear obstructions clogged Air motor parts are worn or Check the piston o rings 15a 15b and exhaust damaged plate 15c for swelling Replace if necessary See page 10 Check the piston assembly 15 Be sure its screws are properly torqued 10 to 14 in lb 1 3 to 1 6 N m and that the assembly is hand tightened onto the piston rod Check the springs 8 17 for wear or damage and replace as needed Pump speeds up or runs Material viscosity is too high Reduce viscosity Reduce pump speed when running erratically viscous materials Pump throat packings piston or Relieve the pressure Check and repair See pages piston packings or intake valve is 10 and 11 worn Pump slows down or runs Air motor is icing Shut off pump and allow to warm up Run pump at a erratically lower air pressure Pump runs but output is low on Pump piston and or intake valve is Relieve the pressure Check and repair See pages up or down stroke worn 10 and 11 Pump runs but output is low on Air supply is insufficient Check air supply Increase air pressure or volume
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