Graco 308485N User's Manual
Contents
1. Instructions Parts List GRACO 3 1 Fire Ball 425 Pum 308485N For pumping non corrosive and non abrasive oils and lubricants Model 237526 Series B 540 psi 3 7 MPa 37 bar Maximum Working Pressure A 180 psi 1 2 MPa 12 bar Maximum Air Input Pressure r e Important Safety instructions S Read all warnings and instructions in this manual Save these instructions Table of Contents Warnings i e a ietkeERO E ET HP RESQUE 2 Installation 5 Operation vec rd x X REX RA RR IE REA 8 Troubleshooting Guide seules 9 Air Motor and Throat Service 10 Displacement Pump Service 13 Air Motor Parts Drawing lesse 14 Air Motor Parts List sssveeeeeeeeeeeeene 15 Displacement Pump Parts Drawing and List 16 Dimensions eseeeeeeeeeeeeeeeeeee nee ee 17 Technical Data gra ar nei ia aa 18 Performance Data ueeeeeeeeeeeeeeeenne 19 Warranty esset eR RUE vad eee eet they 20 kW h 4 MAT Ei CUE TH066 PROVEN QUALITY LEADING TECHNOLOGY GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 Copyright 1995 Graco Inc is registered to I S EN ISO 9001 Symbols Warning Symbol Caution Symbol This symbol alerts you to the possibility of serious This symbol alerts you to the possibility of damage to injury or death if you do not follow the instructions or destruction of equipment if you2. 12 13 14 15 16 Air Motor and Throat Service Slide the piston rod 29 down through the pack ing and lower the piston 27 into the air motor base 28 Clamp the air motor base 28 in a vise horizontally by closing the vice jaws on the flange Install the u cup packing 107T with the lips up and place the piston washer 113 on the piston valve seat 109 NOTE Make sure the lips of the u cup packing 107T face up See Fig 3 Place the piston ball 103 in the piston rod 29 Apply Loctite to the threads of the piston valve seat 109 and thread the assembly from Step 14 onto the piston rod 29 17 18 19 20 21 Clamp the flats of the piston valve seat 109 ina vice and using a crow s foot wrench torque the piston rod 29 to the piston valve seat to 40 to 60 ft lb Clamp the air motor base 28 in a vise horizontally by closing the vice jaws on the flange Use a strap wrench to screw the displacement pump cylinder 110 to the air motor base 28 and torque with a crow s foot wrench to 95 to 105 ft lb Before remounting the pump connect an air hose and run the air motor slowly at about 40 psi 0 28 MPa 2 8 bar to see that it operates smoothly Reconnect the ground wire before regular opera tion of the pump Displacement Pump Service Disassembly NOTE Displacement Pump Repair Kit 237602 includes repair parts for the pump throat and piston Use a
3. 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 eguipment Be sure to ground all of the following eguipment e Pump Use a ground wire and clamp as shown to the right e Air and Fluid hoses Use only electrically conductive hoses e Air compressor Follow manufacturer s recommendations e Fluid supply container According to local code e To maintain grounding continuity when flushing or relieving pressure always hold a metal part of the valve firmly to the side of a grounded metal pail then trigger the valve To ground the pump remove the ground screw 2 and insert through the eye of the ring terminal at end of the ground wire Y Fasten the ground screw back onto the pump and tighten securely Connect the other end of the ground wire to a true earth ground See Fig 2 To order a ground wire and clamp order Part No 222011 T1052 308485 7 Operation Pressure Relief Procedure A WARNING SKIN INJECTION HAZARD To reduce the risk of serious bodily injury including fluid injection or splash ing in the eyes or on the skin always follow this procedure whenever you shut off the pump when checking or servicing any part of the system when installing or changing dispensing devices and whenever you stop dispensing Close the pump air regulator and the bleed type master air valve required
4. Male quick disconnect fitting Female quick disconnect coupler Air line lubricator Fluid hose Fluid inlet 1 1 2 npt Electrically conductive air hose 218093 shown Ground wire required mJmouzzarnrmac 308485 5 Installation Install the following accessories in the order shown in Fig 1 System Accessories A CAUTION Do not hang the air accessories directly on the air inlet E The fittings are not strong enough to support the accessories and may cause one or more to break Provide a bracket on which to mount the accessories A WARNING Three accessories are required in your system an air bleed device a fluid drain valve and a thermal relief kit These accessories help reduce the risk of serious bodily injury including fluid injection splashing in the eyes or on the skin and injury from moving parts if you are adjusting or repairing the pump The air bleed device 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 unex pectedly causing serious bodily injury if you are adjusting or repairing the pump Use either a bleed type master air valve A or a quick discon nect coupler M and fitting L Install it near the pump air inlet within easy reach of the pump The fluid drain valve H assists in relieving fluid pressure in the displacement pump hoses and dispensing valve Triggering the valve to relieve pressure may n
5. do not follow the 2 instructions A WARNING EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury This equipment is for professional use only Read all instruction manuals tags and labels before operating 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 Check equipment daily Repair or replace worn or damaged parts immediately Do not exceed the maximum working pressure stated on the equipment or in the Technical Data section of the instruction manual for your equipment Do not exceed the maximum working pressure of the lowest rated component in your system Use fluids and solvents that are compatible with the equipment wetted parts Refer to the Technical 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 containing 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 hoses to move equipment Route hoses away from traffic areas sharp edges moving parts and hot surfaces Do not expose Graco hoses to temperatures above 82 C 180 F or below 40 C 40 F Do not lift pressurized
6. in your system 2 Hold a metal part of the dispensing valve firmly to a grounded metal waste container and trigger the valve to relieve the fluid pressure or open the drain valve H Startup and Adjustment A WARNING COMPONENT RUPTURE HAZARD CH Wa The maximum working pressure of each p component in the system may not be the same To reduce the risk of overpres surizing any component in the system be sure you know the maximum working pressure of each component Never exceed the maximum working pressure of the lowest rated component in the system Overpressurizing any component can result in rupture fire explosion property damage and serious injury To determine the fluid output pressure using the air regulator reading multiply the ratio of the pump by the air pressure shown on the regulator gauge For example 3 1 ratio x 180 psi air 540 psi fluid output 3 1 ratio x 1 2 MPa air 3 6 MPa fluid output 3 1 ratio x 12 bar air 36 bar fluid output Limit the air to the pump so that no air line or fluid line component or accessory is overpressurized 8 308485 1 With the air regulator C closed open the bleed type master air valves A or if so equipped join the quick disconnect coupler M to the male fitting L Open the dispensing valve J into a grounded metal waste container making firm metal to metal contact between the container and valve Open the pump ai
7. injection or splash ing in the eyes or on the skin always follow the Pressure Relief Procedure on page 8 whenever you shut off the pump when checking or servicing any part of the system when installing or changing dispensing devices and whenever you stop dispensing Problem Cause Solution Pump fails to operate Inadequate air supply pressure or restricted air lines Increase air supply clear Closed or clogged dispensing valve Open clean Clogged fluid lines hoses valves etc Clear Damaged air motor Service air motor Exhausted fluid supply Refill and reprime or flush Continuous air exhaust Worn or damaged air motor gas ket packing seal etc Service air motor Erratic pump operation Exhausted fluid supply Refill and reprime or flush Held open or worn intake valve or piston packings Clear service Pump operates but output low on up stroke Held open piston valve or worn piston packings Clear service Pump operates but output low on down stroke Held open or worn intake valve Clear service Pump operates but output low on both strokes Follow the Pressure Relief Procedure on page 8 and disconnect the fluid line If the pump starts when Inadequate air supply pressure or restricted air lines Increase air supply clear Closed or clogged valves the air is turned on again the line hose valve etc is clog
8. 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 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 acti
9. pears MEA 3 1 Air operating range 20 cece eee eee ene 40 to 180 psi 0 28 to 1 2 MPa 2 8 to 12 bar Air CONSUMPLON fineness edd yee ne Eq eERnPE EI rene Eu aati ge is ew eene eR 3 ft min per gallon pumped 0 022 m3 min per liter pumped up to 8 ftS min 0 058 m3 min with pump operating within recommended range Pump cycles per gallon per liter eeeeeeeeeeeeeee eee ee nee ee IRA 6 1 6 Maximum recommended pump speed uieeeeeeeeeeeeeee ee ee ee ee ee ee ee ee nee mm 66 cycles min 12 gpm 45 Ipm Recommended speed for optimum pump life sessseeeeeeeeeee ee nee nee ee ee eeens 15 to 25 cycles per min Pison seas siikiesseitkgk ide Lewes EL ee yds SI CSCS ar a Fen AE CS aoi L SL Age h AU ata sex bade X Rx polyurethane Rod Seals s REB PNIS Ea ete Sr RSS CA AS sara dane Gan Oe NU SLE en Re SE a aa te etd nitrile Wetted parts c Se Sa cR ce ie EUR SE ERE CA TAE Th eee case deals NEP D RR dialer dn a EIA aluminum steel nitrile Approximate weight cocer neuere erbe ee ntc eerte tee OR Re E pr re ER CDU DR qe ed 46 Ib 21 kg Sound Pressure uod vu mre T o edt ete an Ge et ita hodie ced easa e a Rae enne 82 dB A Sound pressure reading taken with pump operating at 60 cycles per minute at 100 psi 0 7 MPa 7 bar Sound pressure measured per CAGI PNEUROP 1971 18 308485 Outlet Pressure PSI Inlet Air Flow CFM 500 Performance Chart Differential Air Motor Outlet Pressure vs Ou
10. NG PARTS HAZARD To reduce the risk of pinching or A amputating your fingers keep your q fingers clear of the toggle assemblies when you are snapping the toggles M in Fig 4 up or down 14 15 16 17 18 19 In this step while you are prying with the screw driver with one hand cover the toggle assemblies with your other hand so as to catch the spring loaded toggle assemblies when they snap out of the lugs Place the tip of a screwdriver into the piston between the piston lugs L below the pivot pins 16 on the toggles pry up with the screw driver handle to compress the springs on the toggle assembly M up and away from the piston lugs and remove the parts See Fig 4 Straighten the lockwires 22 and remove them from the valve nuts 21 Screw the top nuts off Remove the trip rod yoke 13 actuator 12 and trip rod 31 Unscrew the bottom nuts 21 and remove the poppets Make sure the valve bar spring clips 14 are not worn or damaged and that they properly guide the actuator 12 Remove the exhaust valve poppets 26 by cutting them with a side cutter then pull them out of the actuator 12 Clean all the parts carefully in a compatible solvent and inspect them for wear or damage Use all the repair kit parts during reassembly and replace other parts as necessary Check the surfaces of the piston piston rod and cylinder wall for scratches or wear A scored rod will cause premat
11. O 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 make changes at any time without notice This manual contains English MM 308485 Graco Headquarters Minneapolis International Offices Belgium Korea China Japan GRACO INC P O BOX1441 MINNEAPOLIS MN 55440 1441 WWW graco com 308485 01 1995 Revised 3 2007 20 308485
12. TION Do not damage the plated surface of the trip rod 31 Damaging the surface of the trip rod can result in erratic air motor operation Use the special padded pliers 207579 to grasp the rod 10 308485 8 Remove the six screws 3 holding the cylinder 30 to the base 28 Carefully pull the cylinder straight up off of the piston 53 A CAUTION To avoid damaging the cylinder wall lift the cylinder straight up off of the piston Never tilt the cylinder as it is being removed 9 Remove the piston base from the vise and set it upright on the workbench 24 30 31 19 flange K T11067 Fig 3 t Included in Repair Kit 237602 10 11 12 13 Air Motor and Throat Service Pull the piston assembly from the air motor base 28 and set it aside Remove the vee block seal 10T with a pick and clean the groove in the air motor base 28 Remove any dirt in the groove and wipe the groove clean with a cloth Inspect the air motor for damaged or worn inlet valve grommets 17 o ring packings 19 20 valve nuts 21 lock wires 22 exhaust valve poppets 26 or inlet valve poppets 32 If any of these parts need to be replaced continue with steps 13 to 19 Otherwise see Reassembly on page 12 Use a screwdriver to push down on the trip rod yoke 13 and snap the toggles down See Fig 4 A WARNING MOVI
13. equipment Comply with all applicable local state and national fire electrical and safety regulations 308485 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 Fluid injected into the skin may look like just a cut but it is a serious injury Get immediate surgical treatment 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 and before cleaning checking or servicing the equipment Tighten all fluid connections before operating the equipment Check the hoses tubes and couplings daily Replace worn or damaged parts immediately Do not repair high pressure couplings you must replace the entire hose Fluid hoses must have spring guards on both ends to help protect them from rupture caused by kinks or bends near the couplings HAZARDOUS FLUIDS Improper handling of hazardous fluids or inhaling toxic fumes can cause extremel
14. ged Open clean 308485 9 Air Motor and Throat Service Before You Start e Be sure you have all necessary parts on hand Air Motor Repair Kit 207385 includes repair parts for the motor Use all the parts in the kit for the best results Parts included in the kit are marked with one asterisk for example 19 in the text and drawings See the Parts List on page15 e Two accessory tools should be used Padded Pliers 207579 are used to grip the trip rod without damaging its surface and a 0 125 in 3 18 mm Gauge 171818 is used to assure the proper clearance between the poppets and seat of the piston Disassembly 1 Flush the pump Follow the Pressure Relief Procedure on page 8 before proceeding 2 Disconnect the hoses remove the pump from its mounting and clamp the air motor base 28 ina vise horizontally by closing the vice jaws on the flange 3 Use a strap wrench on the displacement pump cylinder 110 to screw it out of the air motor base 28 See Fig 3 4 Remove the air motor base from the vice and place the piston rod 29 flats in the vice with the air motor up 5 Loosen the lift ring 24 Pull the lift ring up grip the trip rod 31 with the padded pliers and screw the lift ring off of the rod 6 Remove the piston valve seat 109 from the rod 29 with wrenches or with the vice and a wrench 7 Remove the piston ball 103 u cup packing 107T and piston washer 113 A CAU
15. ll the parts in the kit for the best results Parts included in the kit are marked with a dagger for example 71 in the text and drawings See the Parts List on page 16 Flush the pump Follow the Pressure Relief Procedure on page 8 before proceeding Disconnect the hoses remove the pump from its mounting and clamp the air motor base 28 ina vise horizontally by closing the vice jaws on the flange Intake Valve See Fig 5 1 Follow the Pressure Relief Procedure on page 8 Unscrew the valve housing 111 Remove the o ring 1051 retainer 112 and ball 104 Inspect the parts for wear or damage If the ball is nicked replace it Reassemble using grease on the male threads Displacement Pump See Fig 5 NOTE Clean and inspect all parts for wear or damage as you disassemble them Replace parts as needed For best results always replace all the o rings and packings when you disassem ble the pump 1 Follow the Pressure Relief Procedure on page 8 Follow steps 1 through 6 of Disassembly on page 10 Carefully inspect the smooth inner surface of the cylinder 110 for scoring or irregular surfaces Such damage causes premature seal wear and leaking Replace the cylinder as needed Reassembly Do steps 14 through 21 in Air Motor and Throat Service on this page 7 A Lips face up 111 03847 t Included in Repair Kit 237602 308485 13 Air Motor Parts Drawing AN T
16. on 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 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 Phone Numbers T
17. orgue to 40 to 60 ft Ib r A Torque to 95 to 105 ft lb A Lips face up A Lips face down 14 308485 Part No 101578 102656 116343 112130 156698 158359 158360 158362 158364 158367 158377 158378 158379 160261 160618 160623 190929 Air Motor Parts List Description SCREW cap hex hd MUFFLER air exhaust SCREW grounding SEAL pump PACKING o ring ACTUATOR valve air YOKE rod trip PIN toggle PIN pivot GROMMET inlet valve PACKING ring seal PACKING o ring PACKING o ring NUT valve WIRE lock ARM toggle LIFT RING Qty P PMO Bh MOND PND 4 00 Ref No 25 26 27 27a 27b 27C 28 29 30 31 32 33 Part No 167585 170709 207391 102975 158361 190229 190233 15E954 207150 236079 119344 35A 290259 Description Qty SPRING helical compression 2 POPPET exhaust valve 2 PISTON includes items 27a to 27c also includes 207385 repair kit when ordered as a replacement part 1 SCREW rd hd mach 6 32 x 1 4 2 CLIP Spring 2 BARE PISTON not sold separately 1 BASE motor air 1 ROD piston 1 CYLINDER motor air 1 ROD trip 1 POPPET inlet valve 2 LABEL designation 1 LABEL warning 1 Included in Air Motor Repair Kit 207385 which may be purchased separately T Included in Pump Repair Kit 237602 which may be purchased separately A Extra warning labels are available at no cost 308485 15 Displacement Pump Parts Drawing and Li
18. ot be sufficient The thermal relief kit K relieves pressure in the fluid line caused by heat expansion 6 308485 Install an air line lubricator N for automatic air motor lubrication Install a bleed type master air valve A to relieve air trapped between it and the motor when the valve is closed As an alternative you can install an air line quick disconnect coupler M and fitting L to serve as an air bleed device See Detail A in Fig 1 To order a 1 2 npt 300 psi 2 1 MPa 21 bar Maximum Working Pressure bleed type master air valve order Part No 107142 Install the air regulator C to control pump speed and pressure Install an air line filter B to remove harmful dirt and contaminants from your compressed air supply Install another bleed type master air valve A to isolate the accessories for servicing Install a fluid drain valve H near the pump fluid outlet to relieve fluid pressure in the hose and gun when the valve is opened To order a 3 8 npt mbe fluid drain valve order Part No 210658 Install a suitable fluid hose P and dispensing valve J Install a thermal relief kit K to relieve pressure in the fluid line caused by heat expansion To order a 600 psi 4 1 MPa 41 bar minimum relief pressure 630 psi 4 4 MPa 44 bar maximum relief pressure thermal relief kit order Part No 237601 Installation Grounding Proper grounding is an essential part of maintaining a safe system
19. pin 16 ends of the toggle assembly into the lugs L 12 308485 Cut off tops of poppets as indicated by dotted lines 31 13 26 14 a ov nc C fi e 7 L3 comp A 7 0 125 3 18 mm 32 27 Cutaway View g ara Measuring with the gauge Part No 171818 create 0 125 in 3 18 mm of clearance between the inlet valve poppets 32 and the piston seat when the inlet valve is open See the Cutaway View Fig 4 NOTE Adjust the distance between the inlet valve poppets and the piston seat by turning the top valve nuts 21 Tighten the bottom valve nuts 21 securely by hand Align the holes in the valve nuts 21 and the slots on the tops of the inlet valve poppets 32 and drop the lock wires 22 through the holes in the valve nuts and into the slots in the inlet valve poppets Pull the lock wires down tightly and bend the ends with pliers so that they cannot be pulled back out of the holes A CAUTION Never re use the old lock wires They get brittle and will break easily from too much bending 10 Grease and install the new o rings 19 and 20 11 on the piston assembly 27 and in the groove in the air motor base 28 Grease and reinstall the vee block seal 101 in the groove in the air motor base 28
20. r regulator C slowly just until the pump is running When the pump is primed and all air has been pushed out of the lines close the dispensing valve NOTE When the pump is primed and with sufficient air supplied the pump starts when the dis pensing valve is opened and shuts off when it is closed Adjust the air regulator until you get sufficient flow from the dispensing valve Always run the pump at the lowest speed necessary to get the desired results Do not exceed the maximum working pressure of any component in the system NOTES Never allow the pump to run dry of the fluid being pumped A dry pump will quickly accelerate to a high speed possibly damaging itself If your pump accelerates quickly or is running too fast stop it immediately and check the fluid supply If the supply container is empty and air has been pumped into the lines prime the pump and lines with fluid or flush it and leave it filled with a compatible sol vent Be sure to eliminate all air from the fluid lines Read and follow the instructions supplied with each component in your system If the pump will be unattended for any period of time or to shut off the system at the end of the work shift always follow the Pressure Relief Procedure at left Troubleshooting A WARNING INJECTION HAZARD To reduce the risk of serious bodily NOTE Check all other possible problems and solutions before disassembling the pump injury including fluid
21. spensing area MOVING PARTS HAZARD Moving parts such as the air motor piston can pinch or amputate your fingers e Keep clear of all moving parts when starting or operating the pump e Before servicing the equipment follow the Pressure Relief Procedure on page 8 to prevent the equipment from starting unexpectedly 4 308485 Installation The typical 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 Fig 1 DETAIL A a ra WII D alt R PU RE o o Y o O TA K H S For portable applications KEY Bleed type master air valve required Air line filter Air regulator and gauge Pump runaway valve shown for position not needed if you use a low level cut off valve Air Inlet Pump Model 237526 shown Fluid drain valve required cOOoU rom o 06025 Dispensing valve Model 222411 shown Thermal relief kit required 237601
22. st Model 237526 Series B Ref No 10T 101 103 104 105f 1071 108T 16 Part No 112130 101178 108001 110828 112565 166071 308485 Description SEAL block vee shown on page 14 AIR MOTOR See parts on page 14 BALL piston metallic BALL sst PACKING o ring PACKING u cup PACKING o ring X MU Qty n r ee ola c Ref No 109 110 111 112 113 Part No 189707 189708 189709 189710 189711 Description PISTON SEAT v CYLINDER pum VALVE HOUSING 1 1 2 npt f RETAINER ball WASHER piston Qty alve p lol c T These parts are included in Pump Repair Kit 237602 which may be purchased separately 1071 A 103 111 AN Lips face up T11069 Dimensions MODEL 237526 Series B 3 4 in npt f n npt f fluid outlet dre In pt air inlet t 3 4 in npt f muffler port grounding screw 29 4 in 747 mm 11 0 in 279 mm Note For sealed tank mounting use gasket 192658 1 1 2 in npt f fluid intake 308485 17 Mounting Hole Layout 4 12 in 104 6 mm diam eter clearance hole 45 Four 0 406 in 10 3 mm holes on 7 in 177 8 mm bolt circle 8 0 in 203 2 mm diameter of flange Technical Data Maximum working pressure 1 kk tenet nee re 540 psi 3 7 MPa 37 bar Fluid pressure ratio sac erepti ad oh Ge iube RII ean ee Gayle Seles
23. tlet Flow 450 A 40 psi 2 8 bar air pressure B 70 psi 4 8 bar air pressure C 100 psi 6 9 bar air pressure 400 i NN D 150 psi 10 4 bar air pressure D 350 300 BRE ee 250 e 200 B 150 A 100 50 0 0 4 6 10 12 Outlet Flow GPM 70 s Air een CFM E 40 psi 2 8 bar air pressure 60 F 70 psi 4 8 bar air pressure G 100 psi 6 9 bar air pressure H 150 psi 10 4 bar air pressure 50 40 6 10 12 Outlet Flow GPM 308485 19 Graco Standard Warranty Graco warrants all equipment 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
24. ure packing wear and leaking Lubricate all parts with a light waterproof grease 308485 11 Air Motor and Throat Service 31 13 45 22 BES 21 FI N Ne SY i f e d bY 32 fase 14 26 2t 04422 Fig 4 Reassembly 1 Place the piston rod 29 flats in the vice with the air motor up 2 Pull the exhaust valve poppets 26 into the valve actuator 12 and clip off the top parts of the poppets shown with dotted lines in the Cutaway View in Fig 4 3 Install the grommets 17 in the actuator 12 place the inlet valve poppets 32 in the piston and thread the bottom valve nuts 21 onto the inlet valve poppets until there are a few threads left before the threads run out NOTE If you thread the valve nuts too far down onto the poppets they will run off of the threaded part of the poppets 4 Grease heavily and place the trip rod 31 in the piston place the actuator 12 in the yoke 13 and place the well greased actuator yoke assem bly in the piston with the trip rod going through the center holes of the actuator and yoke and the inlet valve poppets 32 going through the grommets 177 5 Thread the top valve nuts 21 onto the inlet valve poppets 32 until one thread of the inlet valve poppets is exposed above the valve nuts 6 Install the toggle pins 15 in the yoke 13 place the toggle arm 23 ends of the toggle assembly M onto the toggle pins and snap the pivot
25. y serious injury or death from splashing in the eyes ingestion or bodily contamination 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 308485 3 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 Refer to Grounding on page 7 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 Before operating this equipment electrically disconnect all equipment in the dispensing area Before operating this equipment extinguish all open flames or pilot lights in the dispensing area Do not smoke in the dispensing area Do not turn on or off any light switch in the dispensing area while dispensing or while there are any fumes in the air Do not operate a gasoline engine in the di
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