308777L 75:1 Fire-Ball 425 Pumps, Instructions-Parts
Contents
1. is used to ensure the proper clearance between the poppets and seat of the transfer 1 Hold the intake housing 67 upright in a vise One ata time place the female gland 74 four leather v packings 66 with the lips of the packings facing up and the male gland 65 on the intake housing e Place the gasket 62 seat 68 and ball 59 on the housing 67 Disassembly 2 the pins 77 were removed from the piston valve 1 Flush the pump housing 64 replace them Screw the piston vale onto the intake valve housing 2 Relieve the pressure see page 7 3 Place a gasket 62 seat 68 and ball 59 on the 3 Disconnect the air hose from the motor If neces priming tube 72 Holding the piston valve housing sary disconnect the motor from the pump Clamp 67 with a wrench screw the priming tube into it the air motor base in a vise using a 1 4 diameter rod through the tube for lever age 4 Manually push up on the piston rod to move the pis ton assembly to the top of its stroke Unscrew the ME cylinder cap nut 31 from the cylinder 32 Pull up leather v packings 73 with lips of packings facing on the cap nut Grip the trip rod 1 with padded pli dn male gland 75 and a bearing 69 In the ers 207579 and screw the cap nut off the trip rod packing housing 70 Screw the housing firmly into Fia 4 the riser tube 80 4 One ata time place the female gland 76 four 5 Remove the eight2. 8 dia PIN cotter 7 64 dia 1 long PIN roll 0 135 dia 7 8 long GASKET copper GASKET copper HOUSING piston valve GLAND male V PACKING leather HOUSING intake SEAT valve BEARING brass HOUSING packing PISTON priming TUBE priming V PACKING leather GLAND female GLAND male GLAND female PIN roll 0 135 in dia 1 in long CYLINDER intake primer ROD connecting 12 47 317 mm long model 239729 ROD connecting 19 13 32 439 mm long model 239730 ROD connecting 3 9 32 83 mm long model 239731 TUBE riser 21 31 541 mm long model 239729 TUBE riser 28 25 718 mm long model 239730 TUBE riser 12 13 808 mm long model 239731 Qty dl lt NY 6 2 SH py Parts included in Kit 207385 purchase separately Repair Kit 239734 which may be purchased sepa rately includes part to service the air motor throat area and the pump lower Parts for the air motor throat area te Parts for the pump lowers Recommended tool box spare parts Keep on hand to reduce down time 308777L Technical Data Technical Data 75 1 Fire Ball 425 Pumps Ss 9 606 O Fluid pressure ratio 75 1 Air pressure operating range 0 3 to 0 7 MPa 3 to 7 bar Maximum working pressure Cycles per gallon iter Maximum recommended pump speed Air motor efectve
3. Copyright 1997 Graco Inc All Graco manufacturing locations are registered to ISO 9001 WWW graco com Revised December 2012
4. diameter Stroke inches 02 Ar eonun approximately 0 72 m min at gpm at 70 psi 1 gpm at 0 5 MPa 5 bar Wetted Paris Weighi IO EN Model 239730 Sound Pressure Level measured at 1 meter from unit Input Air Pressures at 15 cycles per minute 40 psi 0 28 MPa 2 8 bar 70 psi 0 48 MPa 4 8 bar 100 psi 0 7 MPa 7 bar 73 6 dB A 78 34 dB A 80 85 dB A Sound Power Level tested in accordance with ISO 9614 2 Input Air Pressures at 15 cycles per minute 40 psi 0 28 MPa 2 8 bar 70 psi 0 48 MPa 4 8 bar 100 psi 0 7 MPa 7 bar 87 4 dB A 92 09 dB A 94 62 dB A 308777L 15 Technical Data Dimensions 3 8 npt fluid outlet 14 9 16 6 5 165 1 mm diameter 26 11 16 678 mm 1 2 npt f air inlet Model 239729 Series B 16 3 8 npt fluid outlet 369 9 mm 6 5 165 1 mm diameter 41 25 1048 mm 1224 mm 1 2 npt f air inlet 06306 Model 239730 Series B 3 8 npt fluid outlet 369 9 mm 6 5 z 32 1 16 165 1 mm 17 2 814 mm diameter i AAi 1 2 npt f air inlet Model 239731 Series B 308777L Mounting Hole Layout Mounting Hole Layout 3 1 4 82 6 dia 82 6 mm dia two 5 16 7 94 mm dia holes on 4 1 4 108 mm bolt circle 2 3 32 53 18 mm 7 8 22 2 mm dia 308777L 17 Graco Standard Warranty Graco warrants all equipment referenced in this document which is manufa
5. injury including eye injury hearing loss inhalation of toxic fumes and burns This protective equipment includes but is not limited to e Protective eyewear and hearing protection e Respirators protective clothing and gloves as recommended by the fluid and solvent manufacturer 4 308777L Installation Mounting the Pump e Selection a convenient location for the equipment to ensure easy operator access to the pump air con trols sufficient room to change supply containers and a secure mounting platform e If you are mounting the pump directly on the supply tank position the pump so its intake valve is no more than 1 inch 25 mm from the bottom of the container Mount the pump to the cover or other suit able mounting device Mount the pump securely so that it cannot move around during operation Failure to do so could result in personal injury or equipment damage The equipment must be grounded to reduce the risk of static sparking and electric shock Electric or static sparking can cause fumes to ignite or explode Improper grounding can cause electric shock Grounding provides an escape wire for the electric current Be sure to ground all of this equipment Pump Use a ground wire and clamp as shown in FIG 1 Remove the ground screw Z and insert through the eye of the ring terminal at end of ground wire Y Fasten the screw back onto the pump and tighten securely Connect the other end of the wire to a tr
6. 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 e Do not point dispensing device at anyone or at any part of the body e Do not put your hand over the fluid outlet e Do not stop or deflect leaks with your hand body glove or rag e 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 308777L 3 Warnings EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury e Do not operate the unit when fatigued or under the influence of drugs or alcohol e Do not exceed the maximum working pressure or temperature rating of the lowest rated system com ponent 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 manu facturer s
7. parts by holding the parts up to the light at a slight angle Disassembly 1 2 3 4 10 Flush the pump if possible Relieve the pressure see page 7 Disconnect all air and fluid hoses Clamp the motor base in a vise Unscrew the prim ing cylinder 78 Hold the priming tube 72 with a 1 4 inch 6 mm diameter rod through the holes in the tube Grip the flats of the priming piston 71 with a wrench and unscrew the piston Loosen the packing housing 70 Unscrew the riser tub e 80 from the air motor Pull the riser tube and connecting rod down to gain access to the cotter pin 60 Remove the cotter pin and un thread the con necting rod 79 from the motor displacement rod Place the riser tube 80 in a vise and remove the piston assembly Remove the packing housing 70 from the riser tube and remove the packings from the housing Hold the intake valve housing 67 in a vise and unscrew the priming tube 72 by inserting a 1 4 inch 6 mm diameter rod through the holes in the tube Handle the tube carefully to avoid marring the surface Remove the ball seat and gasket Unscrew the piston valve housing 64 from the intake valve housing 67 Remove the ball and packings Clean all parts thoroughly Grease all parts except threads when reassembling Repair Reassembly Two accessory tools should be used Padded Pliers 207579 used to grip the trip rod without damaging its surface Gauge 171818
8. screws 7 holding the cylinder 32 to the base 56 Carefully pull the cylinder Straight up off the piston FIG 4 5 Guide the piston assembly into the riser tube 80 Screw the riser tube into the motor base making sure the gasket 63 is in place Install the cotter pin 60 6 Torque the riser tube to 50 to 70 ft lbs 68 to 95 31 N m 1 7 Screw the priming piston 71 onto the priming tube Hold trip rod with Ez 72 ocrew the intake cylinder 78 firmly onto the padded oiler 2 riser tube 207579 to prevent 8 Reconnect the ground wire if it was disconnect dur damage to rod ing repair ANN 32 Air Motor and Throat Service n LI Before You Start 36 Before sure to have all necessary parts on hand Air Motor Repair Kit 207385 included repair parts for the motor Pump Repair Kit 239734 includes repair parts for the pump and the air motor throat area Use all parts in FIG 4 the kits for best results NOTICE To avoid damaging the cylinder wall Always lift the cylinder straight up off the piston Never tilt the cylin der as it is being removed 10 308777L 6 Use a screw driver to push down on the trip rod yoke 14 and snap the toggle assemblies K down See FIG 5 Remove the lock wires 28 from the adjusting nuts 27 of the transfer valves M Screw the top adjusting nuts 27 off Screw the valve stems 30 out of the grommets 18 and lower adjusting nuts 27 Take the val
9. 1 13 158359 ACUTATOR valve 1 14 158360 YOKE rod trip 1 15 158362 PIN toggle 2 16 158364 ROCKER toggle 2 17 167585 SPRING helical compression 2 18 158367 GROMMET rubber 2 19 158377 SEAL flat ring nitrile rubber 1 20 158378 SEAL o ring nitrile rubber 1 21 158379 SEAL o ring nitrile rubber 1 221 113935 WIPER rod 1 20 113944 PACKING o ring 1 24 192172 RETAINER packing 1 25 113936 PACKING u cup 1 26 192173 WASHER packing 1 27 160261 NUT adjusting 4 28 160618 LOCKWIRE transfer valve 2 29 160623 ARM toggle 2 30 160696 STEM valve 2 31 161435 NUT cylinder cap 1 32 15E954 CYLINDER motor air 1 39 178270 PLATE muffler 2 36 15E555 PLATE identification 1 37 170708 POPPET valve urethane 2 38 170709 POPPET valve urethane 2 40 150461 GASKET copper 1 42 158409 ADAPTER outlet 1 44 158697 WASHER thrust 1 45 159047 NUT packing 1 461 159048 BEARING brass 1 474 159306 GLAND male 1 48t 159307 GLAND female 1 14 Ref Part 49 159308 52 162553 53 116343 56 165362 58 177843 Pump Ref Part 59 100170 60 100579 61 108513 62 150451 63 158314 64 162555 65 192423 66 114115 67 162558 68 162559 69 192421 70 192410 71 162562 72 192424 73 114116 74 192425 75 192426 76 192427 77 102180 78 164233 79 164234 164231 192422 80 192428 192429 192430 Description V PACKING nitrile rubber ROD piston SCREW grounding BASE motor air PLATE warning Description BALL steel 3
10. 13 and 14 for further information 1 Clamp the pump in a vise and unscrew the riser tube 80 from the air motor base 56 Pull the riser tube away from the air motor until the cotter pin 60 which secures the displacement pump connecting rod to the air motor piston rod 52 is visible FiG 6 2 Remove the cotter pin 60 and unscrew the pump connecting rod 79 fro the air motor piston rod 52 Remove the cylinder 32 from the air motor base 56 as described in the Disassembly section on page 10 3 Remove the louvered air exhaust plate 36 and unscrew the throat packing nut 45 using a span ner wrench or a 0 22 inch 5 6 mm diameter rod FIG 6 4 Remove the packing nut 45 male and female glands 47 and 48 v packings 49 washer 44 bearing 46 retainer 24 wiper 22 o ring 23 u cup 25 and washer 26 from the base 12 5 Clean the throat packing area in the base and the packing nut Clean and inspect all parts and replace as necessary o Lubricate the packings piston rod and piston flange with a light water resistant grease 7 Install the washer 26 into the base Assemble the packing 25 and the wiper 22 into the retainer 24 Install the o ring 23 onto the retainer and insert the retainer assembly into the base NOTE Make sure the packing 25 lips face down and make sure the wiper 22 lips face up 8 Insert the bearing 46 and the washer 44 into the base Ass
11. Instructions Parts List gt GRACO 75 1 Fire Ball 425 Pumps n For pumping non corrosive and non abrasive greases and lubricants only For professional use only Model No 239729 Series B 120 Ib 55 kg drum length Model No 239730 Series B 400 Ib 180 kg drum length Model No 239731 Series B stubby length 100 psi 0 7 MPa 7 bar Maximum Air Input Pressure 7500 psi 51 7 MPa 517 bar Maximum Working Pressure Read all warnings and instructions in this manual Save these instructions e Important Safety Instructions This pump is designed to be used only in pumping non corrosive and non abrasive oils and lubricants Any other use of the pump can cause unsafe operating conditions and component rupture which can result in fluid injection other serious injury or fire or explosion PROVEN QUALITY LEADING TECHNOLOGY Contents Warnings eiii 0 3 Installation 02d 5 Mounting the Pump 77777 5 GrOUNOINO Ecco sr gor eee ode 5 Typical Installation 5 8 SEE deo tee ws 7 Pressure Relief Procedure 7 Startup and Adjustment 7 Maintenance 8 EE E 8 uva Dc 9 Displacement Pump Repair 9 Air Motor and Throat Service 10 Throat Packing Service 12 PANS C 0 8 88 Oa 13 Technical Data gt Eb v
12. and fluid pressure See FiG 2 Always use the lowest pres sure necessary to obtain the desired results When done using the pump for the day always follow the Pressure Relief Procedure at left Maintenance Maintenance The accessory air line oiler D provides automatic air motor lubrication For daily manual lubrication disconnect the air hose place about 15 drops of light machine oil in the air inlet reconnect the hose and turn on the air supply to blow oil into the motor Troubleshooting Before servicing this equipment always make sure to N relieve the pressure see Pressure Relieve Procedure L MPa bar PSI page T NOTE Check all possible problems and solutions before disassembling the pump IM Pump fails to operate Inadequate air supply pressure or Increase air supply clear restricted air lines Clogged fluid lines hoses valves etc Exhausted fluid supply Refill and reprime or flush Continuous air exhaust Worn or damaged air motor gasket Service air motor packing seal etc Erratic pump operation Exhausted fluid supply Refill and reprime or flush Held open or worn intake valve or Clear service piston packings Pump operates but output low on Held open or worn piston or pack Clear service upstroke ings Pump operates but output low on Held open or worn intake valve Clear service downstroke Pump operates but output low on Inadequate air supply or restricted Increase air sup
13. ation 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 consequential damages resulting from Graco supplying equipment hereunder or t
14. ctured 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 defective parts The equipment will be returned to the original purchaser transport
15. e E EE DRUMS a 15 Mounting Hole Layout 17 Graco Standard Warranty 18 2 308777L 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 or on warning labels 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 FIRE AND EXPLOSION HAZARD When flammable fluids are present in the work area such as gasoline and windshield wiper fluid be aware that flammable fumes can ignite or explode To help prevent fire and explosion Use equipment only in well ventilated area Eliminate all ignition sources such as cigarettes and portable electric lamps Keep work area free of debris including rags and spilled or open containers of solvent and gasoline Do not plug or unplug power cords or turn lights on or off when flammable fumes are present Ground all equipment in the work area Use only grounded hoses Stop operation immediately if static sparking occurs or you feel a shock Do not use equipment until you identify and correct the problem Keep a working fire extinguisher in the work area SKIN INJECTION HAZARD High pressure fluid from dispensing device hose
16. emble the female gland 48 v packings 49 and the male gland 47 into the packing nut 45 9 Reinstall the spacer and packing in the base and packing nut 45 Screw the packing nut into the base and tighten it securely Carefully slide the pis ton rod 52 down through the throat packing and lower the piston into the base Reinstall the plate 36 and cylinder 32 Reassemble the air motor to the displacement pump 10 Torque the outlet adapter 42 to 45 to 55 ft lbs 61 to 75 N m NOTICE When reinstalling cotter pin 60 always spread and flatten the pin both the head and prongs around the rod to within 1 inch 25 mm total diameter See Detail A of FIG 6 DETAIL A FIG 6 308777L Parts Parts pau 7000 7 N Sl 00 co 7 nl AN Torque to 45 55 ft Ib 61 75 N m 13 308777L Parts Model 239729 Series B 120 Ib 55 kg drum length Model 239730 Series B 400 Ib 180 kg drum length Model 239731 Series B Stubby length Air Motor Ref Part Description Qty 1 207150 TRIP ROD 1 2 207391 PISTON includes items 3to 5 also 1 includes 207385 repair kit when ordered as a replacement part 3 102975 SCREW rd hd mach 6 32 x 1 4 in 2 4 158361 CLIP spring 2 5 BARE PISTON 1 6 100078 SCREW hex hd 8 32 x 3 8 in 20 7 101578 SCREW hex head Nylock 8 32 x 8 3 8 in 8 150647 QGASKET copper 1 94 156698 O RING buna N
17. he 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 TO PLACE AN ORDER contact your Graco distributor or call to identify the nearest distributor Phone 612 623 6928 or Toll Free 1 800 533 9655 Fax 612 378 3590 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 For patent information see www graco comvpatents Original instructions This manual contains English MM 308777 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES P O BOX 1441 MINNEAPOLIS MN 55440 1441 USA
18. iG 2 is only a guide for selecting and installing system components and acces sories Contact your Graco distributor for assistance in designing a system to suit your particular needs Installation If you supply your own accessories be sure they are adequately sized and pressure rated to meet the system requirements A bleed type master air valve B is required to shut off and relieve air pressure that may be trapped in the air motor Trapped air could cause the pump to cycle unexpectedly and cause serious bodily injury including amputation Be sure the air hose is properly sized to deliver an ade quate supply of air to the motor See Technical Data on page 15 Connect a ground dispensing hose F to the 3 8 npt f pump outlet Install an appropriate fun or dispensing valve G to the hose Ground the pump as explained in Grounding on page 5 FIG 2 Typical Installation Key Grounded air line Bleed type master air valve Air filter Air line oiler Air regulator Grounded dispensing hose Dispensing Valve Elevator assembly with inductors Ground wire lt 29 1 Operation Pressure Relief Procedure Follow the Pressure Relief Procedure whenever yo you see this symbol MPa bar PSI This equipment stays pressurized until pressure is manually relieved To help prevent serious injury from pressurized fluid such as skin injection splash
19. ing fluid and moving parts follow the Pressure Relief Procedure when you stop spraying and before cleaning checking or servicing the equipment 1 Close the air regulators 2 Close the supply pump s bleed type master air valve required in this system 3 Open the dispensing valve until pressure is fully relieved If you suspect that the dispensing valve extensions or grease fitting coupler is clogged or that pressure has not been fully relieved after following the steps above VERY SLOWLY loosen the coupler or hose end coupling and relieve pressure gradually then loosen completely and clear the clog 308777L Operation Startup and Adjustment Open the bleed type master air valve Open the dis pensing valve and slowly open the air regulator until the pump is running smoothly After all the air is purged close the dispensing valve The pump starts and stops as the valve is opened and closed NOTICE Never allow the pump to run dry of fluid being pumped A dry pump quickly accelerates to a high speed and may damage itself If your pump acceler ates quickly or is running to 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 the pump and leave it filled with a compatible solvent Be sure to eliminate all air from the fluid system Use the air regulator E to control the pump speed
20. nd lower the pis ton 5 into the air motor base 56 Pull the exhaust valve poppets 38 into the valve actuators 13 and clip off the top part shown with dotted lines FIG 5 Install the transfer valve poppets 37 onto the valve stems 30 bottom adjusting nuts 27 grommets 18 and top adjusting nuts 27 on the piston 5 Assemble the trip rod 1 valve actuator 13 trip rod yoke 14 and toggle assemblies K on the pis ton FIG 5 11 Repair 7 Before installing the lock wires 28 in the adjusting nuts 27 use the special gauge 171818 to adjust the transfer valve M so there is 0 125 inches 3 68 mm clearance between the poppets 37 and the piston 5 when the toggle assemblies are in the down position 8 Snap the toggle assemblies K to the up position Reinstall the cylinder 32 and cap nut 31 Reas semble the air motor to the displacement pump 9 Before remounting the pump connect an air hose and run the pump slowly at about 40 psi 0 28 MPa 2 8 bar to ensure that it operates smoothly 10 Reconnect the ground wire before regular operation of the pump Throat Packing Service he piston in the air motor located behind the air motor plates moved when air is supplied to the motor Moving parts can pinch or amputate your fingers or other body parts Therefore never operate the pump with the air motor plates removed See FIG 6 on page 12 and the Parts drawing and list page
21. ply clear both strokes air line Exhausted fluid supply Refill and reprime or flush Clogged fluid lines hoses valves etc Loose packing nut or worn packings Tighten replace Follow the Pressure Relief Procedure page 7 and disconnect the fluid line If the pump starts when the air is turned back on the fluid line hose valve etc was clogged 8 308777L Repair Refer to FIG 3 for the following instructions 2 Ref No 63 copper gasket and Ref No 6C cotter pin see 77 Parts Drawing on page 16 0 O A ic cA NV 5 CY AS acci n Z UA IEEE LEET Pm SAA gt kN OO 00 D A Ls 4 FIG 3 Displacement Pump Repair Before you start e 0 reduce downtime be sure to have all necessary repair parts available Recommended spare parts are listed in the parts list e Repair kit 239734 is available Use all new parts for best results e The balls 59 in the intake and piston valves cannot be re seated on the hardened seats 68 308777L Repair Whenever replacing the packings also replace the glands and bearings When cleaning parts use a compatible solvent Inspect parts for wear or damage and replace as necessary Scoring or irregular surfaces on the priming tube 72 or polished inner wall of the riser tube 80 causes premature packing wear and leak ing Check these
22. replacement parts only Do not alter or modify equipment Alterations or modifications may void agency approvals and create safety hazards Make sure all equipment is rated and approved for the environment in which you are using it Use equipment only for its intended purpose Call your distributor for information Houte 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 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 e Read MSDSs to know the specific hazards of the fluids you are using e Store hazardous fluid in approved containers and dispose of it according to applicable guidelines e Always wear chemically impermeable gloves when spraying dispensing or cleaning equipment MOVING PARTS HAZARD G a B Moving parts can pinch cut or amputate fingers and other body parts e Keep clear of moving parts e Do not operate equipment with protective guards or covers removed MA Pressurized equipment can start without warning Before checking moving or servicing equipment follow the Pressure Relief Procedure and disconnect all power sources PERSONAL PROTECTIVE EQUIPMENT Wear appropriate protective equipment when in the work area to help prevent serious
23. ue earth ground To order a ground wire and clamp order Part No 222011 Air and fluid hoses Use only electrically conductive hoses Air compressor Follow manufacturer s recommenda tions 308777L Installation Dispensing valve Ground through connection to a properly grounded fluid hose and pump Object being dispensed to Follow your local code Solvent pails used when flushing Follow your local code use only metal pails which are conductive placed on a ground surface Do not place the pail on a non con ductive surface such as paper or cardboard which interrupts the grounding continuity To maintain ground continuity when flushing or relieving pressure Hold a metal part of the dispensing valve firmly to the side of a grounded metal pail then trigger the gun N FIG 1 Typical Installation Mount the pump to suit the type of installation planned Very heavy lubricants may require an inductor plate See Dimensions and Mounting Hole Layout on page 17 Install the air line accessories in the approximate order shown in FIG 2 Install a bleed type master air valve B within easy reach of the pump upstream from the air regulator E Install an air filter C to remove harmful dirt and moisture from your compressed air supply For automatic air motor lubrication install an air line oiler D close to the pump air inlet Install and air regulator E to control the pump speed The installation shown in F
24. ve poppets 37 off the stems and squeeze them firmly to check for cracks Grip the toggle rockers 16 with a pliers Compress the springs 17 and swing the toggle assembly K up and away from the piston lugs L and remove the parts Check that the valve actuator 13 is sup Push toggles K in and then up 1 Turn wires up 4 13 38 37 FIG 5 Reassembly ja Clean all the parts carefully in a compatible solvent and inspect for wear or damage Use all the repair kit parts during reassembly and replace other parts as necessary Check the polished surfaces of the piston piston rod and cylinder wall for scratches or wear A scored rod will cause premature packing wear and leaking Lubricate all parts with a light water resistant grease 308777L Repair ported by the spring clips 4 but slides easily into them FIG 5 Remove the trip rod yoke 14 valve actuator 13 and trip rod 1 Check the exhaust valve poppets 38 for cracks NOTE To remove the exhaust valve poppets 38 stretch them out and cut with a sharp knife 9 Pull the piston 5 up out of the base 56 and inspect the piston o ring 20 and the o ring in the base casting Cut off tops of poppets x as indicated by dotted lines 00 N N 88 al as fi 0 125 in 3 18 mm 37 5 CUTAWAY VIEW Be sure the o rings re in place Slide the piston rod down through the throat bearing a
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