Graco 308357G User's Manual
Contents
1. KEY A Pump G Air Manifold N Grounded Fluid Supply Hose B Cart H Electrically Conductive Air Supply Hose P Fluid Whip Hose C Pump Runaway Valve location J Air Line Filter R Gun Swivel D Air Line Lubricator location K Bleed Type Master Air Valve S Airless Spray Gun E Bleed Type Master Air Valve for accessories T Suction Kit required for pump L Fluid Filter includes drain valve Y Ground Wire required see page 5 F Pump Air Regulator M Fluid Drain Valve required for installation instructions J K mil H MAIN AIR LINE MII Y ro loess m H T Fig 2 6 308357 Installation ASSEMBLE THE PUMP Assemble the displacement pump 105 to the air motor 101 as instructed on pages 12 13 SYSTEM ACCESSORIES A WARNING A bleed type master air valve E and a fluid drain valve M are required in your system These accessories help reduce the risk of serious injury including fluid injection and splashing of fluid in the eyes or on the skin and injury from moving parts if you are adjusting or repairing the pump The bleed type master air valve relieves air trapped between this valve and the pump after the air is shut off Trapped air can cause the pump to cycle unexpectedly Locate the valve close to the pump Order Part No 112730 The fluid drain valve assists in relieving flui2. Fluid Outlet Pressure Air Consumption psi cycles min scfm cycles min m3 min MPa bar bd Bae A a5 SAS Oe 14 28 42 56 70 84 98 8000 300 56 0 560 8 40 P 7000 250 A 6000 z 42 0 420 A o 200 L Z 5000 amp 5 60 S B 35 0 350 NY es A 4000 B 2 es ny 28 0 280 Q J S Cc O ra 3000 Sl 100 Z S 21 0 210 c lt 9520 2000 S ae ae 14 0 140 50 gt 1000 140 f 7 0 70 0 oF gm0 1 2 3 4 5 6 7 gpm To 2 3 amp 5 6 7 liters min 38 7 6 11 4 15 2 19 0 22 8 26 5 liters min 38 76 11 4 15 2 19 0 22 8 26 5 FLUID FLOW FLUID FLOW 308357 Dimensions Mounting Hole Layout Premier Pumps 135 0 mm 5 3 in 67 5mm 2 7 in Three 3 8 16 Mounting Studs 101 5 mm 4 0 in 2 0 in 9655A 78 in 236932 1146 9 mm 746 0 mm 400 9 mm 413 0 mm 2 in npt f 1 in npt f 3 4 npsm f 45 15 in 29 37 in 15 78 in 16 26 in 308357 23 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 by an authorized Graco distributor 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 defect
3. i i in 4 Air motor piston effective area 800 cm2 124 in 2 75 in in 2 Sound Pressure Levels dBa measured at 1 meter from unit Input Air Pressures at 15 cycles per minute 0 28 MPa 2 8 bar 0 48 MPa 4 8 bar 0 63 MPa 6 3 bar 0 7 MPa 7 bar Air Motor 40 psi 70 psi 90 psi 100 psi Sound Power Levels dBa tested in accordance with ISO 9614 2 Input Air Pressures at 15 cycles per minute 0 28 MPa 2 8 bar 0 48 MPa 4 8 bar 0 63 MPa 6 3 bar 0 7 MPa 7 bar 40 psi 70 psi 90 psi 100 psi C e 308357 21 Technical Data MODEL 236932 PREMIER PUMP Performance Charts Premier Pumps To find Fluid Outlet Pressure psi MPa bar at a specific fluid flow To find Pump Air Consumption m3 min or scfm at a specific fluid lpm gpm and operating air pressure psi MPa bar flow Ipm gpm and air pressure psi MPa bar 1 2 FLUID PRESSURE 22 Locate desirediowalong bottom okchart 1 Locate desired flow along bottom of chart Follow vertical line up to intersection with selected fluid outlet pressure curve black Follow left to scale to read fluid outlet 2 Read vertical line up to intersection with selected air consumption pressure curve dashes Follow left to scale to read air consumption A 0 7 MPa 7 bar 100 psi air pressure B 500 kPa 4 9 bar 70 psi air pressure C 300 kPa 2 8 bar 40 psi air pressure Test Fluid No 10 Weight Oil
4. until the fluid flows from the valve See Fig 2 Close the drain valve NOTE When changing fluid containers with the hose and gun already primed open the drain valve M to assist in priming the pump and venting air before it enters the hose Close the drain valve when all air has been eliminated 5 With the pump and lines primed and with ade quate air pressure and volume supplied the pump will start and stop as the gun is opened and closed In a circulating system the pump will speed up or slow down on demand until the air supply is shut off 6 Use the air regulator to control the pump speed and the fluid pressure Always use the lowest air pressure necessary to get the desired results Higher pressures cause premature tip and pump wear A WARNING To reduce the risk of overpressurizing your system which could result in component rupture and cause serious injury never exceed the specified Maxi mum Incoming Air Pressure to the pump see the Technical Data on page 21 7 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 A pump runaway valve C which shuts off the air supply to the pump if the pump accelerates beyond the pre set speed is available See Fig 2 on page 6 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
5. on the displacement rod 1 Use at least two people to hold the displacement pump while another reconnects it to the motor see the CAUTION at left Orient the pump s fluid outlet U to the air inlet V as was noted in step 3 under Disconnecting the Displacement Pump Position the displacement pump 105 on the tie rods 107 Screw the nuts 106 onto the tie rods 107 and torque to 129 142 N m 95 105 ft lb Screw the coupling nut 103 onto the connecting rod adapter 102 loosely Hold the connecting rod adapter flats with a wrench to keep it from turning Use an adjustable wrench to tighten the coupling nut Torque to 312 340 N m 230 250 ft lb Reconnect all hoses Reconnect the ground wire if it was disconnected Fill the packing nut 2 1 3 full of Graco Throat Seal Liquid or compatible solvent Turn on the air supply Run the pump slowly to ensure that it is operating properly Before returning the pump to production relieve the pressure Retorque the packing nut 2 to 129 142 N m 95 105 ft lb Service CKO Z 104 A Torque to 129 142 N m 95 105 ft lb A Torque to 312 340 N m 230 250 ft lb Apply Loctite 2760 or equivalent to threads 9592A Fig 4 308357 13 Service DISPLACEMENT PUMP SERVICE 5 Lift the cylinder 11 displacement rod 1 and piston assembly off the intake housing 16 Re Disassembly move the ball guide 27 from
6. pumped into the lines refill the container and prime the pump and the lines with fluid or flush and leave it filled with a compatible solvent Be sure to eliminate all air from the fluid system Shutdown and Care of the Pump A WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 8 For overnight shutdown relieve the pressure Stop the pump at the bottom of its stroke to prevent fluid from drying on the exposed displacement rod and damaging the throat packings Always flush the pump before the fluid dries on the displacement rod Never leave water or water based fluid in the pump overnight First flush with water or a compatible solvent then with mineral spirits Relieve the pressure but leave the mineral spirits in the pump to protect the parts from corrosion 308357 9 Notes 10 308357 Troubleshooting Chart Before servicing this equipment always make sure to A WARN l NG Relieve the Pressure To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Check all possible problems and solutions before Pressure Relief Procedure on page 8 disassembling the pump PROBLEM CAUSE SOLUTION Pump fails to operate Restricted line or inadequate air supply Clear increase air supply closed or clogged
7. the air is turned on the obstruction is in the fluid hose or gun NOTE If you experience air motor icing call your Graco distributor 308357 11 Service A WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 8 REQUIRED TOOLS Set of adjustable wrenches 15 16 in or 23 mm socket wrench Large pipe wrench Torque wrench Rubber mallet O ring pick Large vise Thread lubricant Thread sealant Loctite 2760 or equivalent DISCONNECTING THE DISPLACEMENT PUMP 1 Flush the pump if possible Stop the pump at the bottom of its stroke and relieve the pressure Disconnect the air hose and fluid hose 3 Disconnect the displacement pump 105 from the motor 101 as follows Be sure to note the relative position of the pump s fluid outlet U to the air inlet V of the motor If the motor does not require servicing leave it attached to its mounting A CAUTION Be sure to use at least two people when lifting moving or disconnecting the pump This pump is too heavy for one person If you are disconnecting the displacement pump from a motor which is still mounted for example on a wall bracket be sure to support the displacement pump while it is being disconnected to prevent it from falling and causing injury or property damage Do this by securely bracing the pump or by having at least two people hold it
8. 793 Fig 7 308357 15 Service Reassembly 1 If it was necessary to remove the piston ball housing 12 from the displacement rod 1 clean the threads of the rod and the ball housing and apply thread sealant Screw the ball housing onto the rod hand tight Place the flats of the piston ball housing in a vise and torque the rod to 386 407 N m 285 300 ft lb See Fig 8 2 Place the piston packings on the piston seat housing 14 in the following order with the lips of the v packings facing up the female gland 4 one PTFE v packing 3 four leather v packings 5 and the male gland 6 See the Piston Packing Stack Detail in Fig 8 NOTE To convert the pump to a different packing material see page 20 3 Place the flats of the piston seat housing 14 ina vise Place the ball 13 on the piston seat E Screw the piston ball housing 12 onto the piston seat housing hand tight then torque to 386 407 N m 285 300 ft lb See Fig 7 4 Lubricate the throat packings and place them in the outlet housing 9 in the following order with the lips of the v packings facing down the male gland 6 four leather v packings 5 one PTFE v packing 3 and the female gland 4 See the Throat Packing Stack Detail in Fig 8 NOTE To convert the pump to a different packing material see page 20 5 Lubricate the threads of the packing nut 2 and loosely install it in the outlet housing 9 6 Lubrica
9. 9317 ROD displacement stainless steel 15 108001 BALL intake stainless steel 2 222995 PACKING NUT carbon steel 1 5 in 38 1 mm dia a 1 SA 172479 TAG warning not shown 16 190218 HOUSING intake ductile iron 1 9 237183 HOUSING outlet ductile iron w tungsten carbide seat 20 101754 PLUG pipe socket hd 3 8 npt 27 190228 GUIDE intake ball carbon steel 28 164782 O RING PTFE 29 112921 SCREW cap hex hd 5 8 11 unc 2a 10 109499 SEAL PTFE 11 190221 CYLINDER stainless steel 12 184513 HOUSING ball piston carbon steel 13 100279 BALL piston chrome steel 0 875 in 22 2 mm dia 1 1 1 1 1 17 237495 VALVE intake ductile iron 2 1 1 i mb mh h 14 222951 HOUSING seat piston valve 10 5 in 266 7 mm long 6 stainless steel w tungsten carbide seat 1 These parts are included in Standard Repair Kit 237166 and Conversion Kits 237167 and 237168 which may be 2 purchased separately See page 20 A Replacement Danger and Warning labels tags and cards are available at no cost Throat Z Packing Stack see page 20 g 12 E Piston Packing Stack see page 20 E eee 03983 308357 19 Repair Kits Packing Conversion Kit 237168 UHMWPE and Leather Packings Standard Repair Kit 237166 Leather Packings and PTFE Backup Ref Part No No Description Qty 3 109306 V PACKING PTFE 4 184201 GLAND female carbon steel 5 184306 V PACKING leather 6 184251
10. BILITY 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 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 o
11. GLAND male carbon steel NONN Kit also includes items 10 13 15 and 28 see page 19 THROAT PACKINGS PISTON PACKINGS LIPS FACE DOWN LIPS FACE UP 080 LUBRICATE PACKINGS 0806 Packing Conversion Kit 237167 PTFE Packings Ref Part No No Description Qty 3 109306 V PACKING PTFE 10 4 184201 GLAND female carbon steel 2 6 184251 GLAND male carbon steel 2 Kit also includes items 10 13 15 and 28 see page 19 THROAT PACKINGS PISTON PACKINGS LIPS FACE DOWN LIPS FACE UP 3 4 080 LUBRICATE PACKINGS 0806 20 308357 Ref No 3 4 5 6 Part No 109256 184201 184306 184251 Description V PACKING UHMWPE GLAND female carbon steel V PACKING leather GLAND male carbon steel Qty Kit also includes items 10 13 15 and 28 see page 19 THROAT PACKINGS LIPS FACE DOWN LUBRICATE PACKINGS PISTON PACKINGS LIPS FACE UP NANO Technical Data MODEL 236932 PREMIER PUMP Category bwa ooo Maximum fluid working pressure Maximum air input pressure Pump cycles per 3 8 liters 1 gal Maximum flow at 60 cycles min Stroke length 120 mm 4 75 in Displacement pump effective area 11 cme 2 79 in Maximum pump operating temperature ambient and fluid Weight Wetted parts Carbon Steel Chrome Steel Zinc and Nickel Plating 440 and 17 4 PH Grades of Stainless Steel Alloy Steel Tungsten Carbide Ductile Iron PTFE Glass Filled PTFE Leather
12. Instructions Parts List CARBON STEEL Dura Flo 1100 Pumps 308357G With Severe Duty Rod and Cylinder Part No 236932 Pump Series A 74 1 Ratio with Premier Air Motor and 236478 Displacement Pump 50 0 MPa 500 bar 7252 psi Maximum Fluid Working Pressure 0 67 MPa 6 7 bar 97 psi Maximum Air Input Pressure Important Safety Instructions a Read all warnings and instructions in this manual Save these instructions See page 2 for Table of Contents PROVEN QUALITY LEADING TECHNOLOGY CE Odi GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 12G EV Copyright 2002 Graco Inc is registered to I S EN ISO 9001 Table of Contents Wang S a cca gnats E EENE ES gente Ques 2 Parts Drawings and Parts Lists 18 Installation e ena E EAE EALE ADEE 6 Pump Assembly nnana 18 Operation Maintenance 00eeee eee 8 Displacement Pump 000 eee 19 Troubleshooting Chart 2 000ee eee eee 11 Repair Kits 0 0 eee eee eee 20 SEVICE este wie a aa aa Dale eae eh eter t ded tes 12 Technical Data 0 eee eee eee 21 Required Tools 0 cece eee ees 12 Dimensions 2 002 AREE PAKERE 23 Disconnecting the Displacement Pump 12 Mounting Hole Layout eee 23 Reconnecting the Displacement Pump 12 Warranty scar sconiets ib aaah piece gi
13. avad E Loh aude EAA 24 Displacement Pump Service 14 Graco Information 000e cece eee eee 24 A WARNING EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury H NA INSTRUCTIONS 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 uncertain about usage 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 system component Refer to the Technical Data on page 21 for the maximum working pressure of this equipment Use fluids and solvents which are compatible with the equipment wetted parts Refer to the Tech nical Data section of all equipment manuals Read the fluid and solvent manufacturer s warnings Do not exceed the maximum working pressure of the lowest rated system component This equip ment has a 50 0 MPa 500 bar 7252 psi maximum working pressure Do not kink or overbend hoses or use hoses to pull 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 Wear heari
14. d pres sure in the displacement pump hose and gun Triggering the gun to relieve pressure may not be sufficient Order Part No 224774 Air and Fluid Hoses Be sure all air hoses H and fluid hoses N and P are properly sized and pressure rated for your system Use only electrically conductive hoses Fluid hoses must have spring guards on both ends Use a whip hose P and a swivel R between the main fluid hose N and the gun S to allow freer gun movement Mounting Accessories Mount the pump A to suit the type of installation planned Fig 2 illustrates a cart mounted system Pump dimensions and the mounting hole layout are shown on page 23 If you are using a floor stand refer to its separate manual for installation and operation instructions Air Line Accessories Install the following accessories in the locations shown in Fig 2 using adapters as necessary e An air line lubricator D provides automatic air motor lubrication e A bleed type master air valve E is required in your system to relieve air trapped between it and the air motor when the valve is closed see the WARNING at left Be sure the bleed valve is easi ly accessible from the pump and is located down stream from the air regulator Order Part No 112730 e An air regulator F controls pump speed and out let pressure by adjusting the air pressure to the pump Locate the regulator close to the pump but upstream from the bleed type mas
15. he spray dispense area while operating or if fumes are present Do not operate a gasoline engine in the spray dispense area Keep a fire extinguisher in the work area TOXIC FLUID HAZARD Hazardous fluid 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 4 308357 Installation Grounding To reduce the risk of static sparking ground the pump object being sprayed and all spray dispensing equip ment used or located in the spray dispensing area Check your local electrical code for detailed grounding instructions for your area and type of equipment Be sure to ground all of this spray dispensing equipment 1 Pump loosen the grounding lug locknut W and washer X Insert one end of a 1 5 mm2 12 ga minimum ground wire Y into the slot in lug Z and tighten the locknut securely See Fig 1 Con nect the other end of the wire to a true earth ground Order Part No 237569 Ground Wire and Clamp 2 Air hoses use only electrically conductive hoses 3 Fluid hoses use only electrically conductive fluid hoses 4 Air compressor follow manufacturer s reco
16. inder for wear or damage See Fig 5 3 Stand the pump upright in the vise Remove the 8 Place the flats of the piston seat housing 14 ina six long cap screws 29 using a 15 16 in or 23 vise as shown in Fig 7 Using an adjustable mm socket wrench See Fig 8 wrench unscrew the piston ball housing 12 from the piston seat housing Be careful to catch the 4 Lift the outlet housing 9 straight up off the pump piston ball 13 as you separate the piston seat Be careful not to scratch the displacement rod 1 housing and ball housing so that it doesn t fall and while removing the housing See Fig 6 suffer damage AB A A 17Z D A 1 A Torque to 522 542 N m 385 400 ft lb A Lubricate 03986 Fig 5 14 308357 10 11 12 Service Examine the displacement rod 1 for scratches or other damage Only if the rod needs replace ment unscrew it from the piston ball housing 12 using an adjustable wrench on the flats of the rod Remove and inspect the glands and v packings P from the piston seat housing 14 Inspect the ball 13 and the seat E and guides F on the housing for wear or damage See Fig 8 Unscrew the packing nut 2 from the outlet hous ing 9 Remove and inspect the glands and v packings T Clean all parts with a compatible solvent and inspect them for wear or damage K 7 hia 04048 Fig 6 1A AN Torque to 386 407 N m 285 300 ft lb 03
17. ive This warranty applies only when the equipment is installed operated and maintained in accor dance 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 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 MERCHANTA
18. mmen dations 5 Spray gun dispensing valve grounding is obtained through connection to a properly grounded fluid hose and pump 6 Fluid supply container according to your local code Object being sprayed according to your local code All solvent pails used when flushing according to your local code Use only metal pails which are conductive placed on a grounded surface Do not place the pail on a nonconductive surface such as paper or cardboard which interrupts the grounding continuity To maintain grounding continuity when flushing or relieving pressure always hold a metal part of the spray gun dispensing valve firmly to the side of a grounded metal pail then trigger the gun valve 0864 308357 5 Installation NOTE Reference numbers and letters in parentheses Fig 2 is only a guide for selecting and installing sys in the text refer to the callouts in the figures and the tem components and accessories Contact your Graco parts drawing distributor for assistance in designing a system to suit r particular needs NOTE Accessories are available from your Graco your pa representative If you supply your own accessories be sure they are adequately sized and pressure rated to meet the system s requirements TYPICAL INSTALLATION
19. ng protection when operating this equipment Do not lift pressurized equipment Comply with all applicable local state and national fire electrical and safety regulations Do not lift the sprayer by the lift ring when the total weight exceeds 550 Ib 250 kg 2 308357 A WARNING SKIN INJECTION HAZARD Spray from the gun hose 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 might look like just a cut but it is a serious injury Get immediate surgi cal treatment Do not point the gun valve at anyone or at any part of the body Do not put your hand or fingers over the spray tip nozzle Do not stop or deflect leaks with your hand body glove or rag Do not blow back fluid this is not an air spray system Always have the tip guard and the trigger guard on the gun when spraying Be sure the gun valve trigger safety operates before spraying Lock the gun valve trigger safety when you stop spraying Follow the Pressure Relief Procedure on page 8 whenever you are instructed to relieve pres sure stop spraying clean check or service the equipment and install or clean the spray tip Tighten all fluid connections before operating the equipment Check the hoses tubes and couplings daily Replace worn damaged or loose parts immedia
20. njection splashing fluid or moving parts follow the Pressure Relief Procedure whenever you e are instructed to relieve the pressure e stop spraying dispensing e check or service any of the system equipment e or install or clean the spray tip nozzle 1 Lock the spray gun dispensing valve trigger safety 2 Shut off the air supply to the pump 3 Close the bleed type master air valve required in your system 4 Unlock the gun valve trigger safety 5 Hold a metal part of the gun valve firmly to the side of a grounded metal pail and trigger the gun valve to relieve pressure 6 Lock the gun valve trigger safety 7 Open the drain valve required in your system having a container ready to catch the drainage 8 Leave the drain valve open until you are ready to spray dispense again If you suspect that the spray tip nozzle or hose is completely clogged or that pressure has not been fully relieved after following the steps above very slowly loosen the tip guard retaining nut or hose end coupling and relieve pressure gradually then loosen completely Now clear the tip nozzle or hose Packing Nut Wet Cup Before starting fill the packing nut 2 1 3 full with Graco Throat Seal Liquid TSL or compatible solvent See Fig 3 The packing nut is torqued at the factory and is ready for operation If it becomes loose and there is leaking from the throat packings you must first follow the Pressure Relief Procedu
21. r 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 1 800 328 0211 Toll Free 612 623 6921 612 378 3505 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 MM 308357 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea www graco com PRINTED IN USA 308357 09 1994 Revised 00 2006 24 308357
22. re Warning above then torque the nut to 129 142 N m 95 105 ft lb using the supplied wrench 104 Do this whenever necessary Do not overtighten the packing nut 8 308357 FLUSHING THE PUMP The pump is tested with lightweight oil which is left in to protect the pump parts If the fluid you are using may be contaminated by the oil flush it out with a compatible solvent before using the pump A WARNING For your safety read the warning section FIRE AND EXPLOSION HAZARD on page 4 before flushing and follow all recommendations given there AN Torque to 129 142 N m 95 105 ft lb 9589A Fig 3 Operation Maintenance Starting and Adjusting the Pump 1 Refer to Fig 2 on page 6 Connect the suction kit T to the pump s fluid inlet and place the tube into the fluid supply 2 Be sure the air regulator F is closed Then open the pump s bleed type master air valve E Hold a metal part of the spray gun S firmly to the side of a grounded metal pail and hold the trigger open Now slowly open the air regulator until the pump starts 3 Cycle the pump slowly until all air is pushed out and the pump and hoses are fully primed Release the gun trigger and engage the safety latch The pump should stall against pressure when the trigger is released 4 If the pump fails to prime properly open the drain valve M Use the drain valve as a priming valve
23. te the piston packings Slide the displace ment rod 1 and piston assembly down into the cylinder 11 The cylinder is symmetrical so either end may face up Use a rubber mallet to drive the rod into the cylinder until the piston seat housing 14 is near the bottom of the cylinder 16 308357 T 10 11 12 13 14 15 Place the intake ball guide 27 in the intake hous ing 16 Set the intake housing in the vise facing upright See Fig 6 Install the o ring 10 on the bottom of the cylinder 11 Lubricate the o ring Place the cylinder on the intake housing 16 Tap the top of the displace ment rod 1 with a rubber mallet to seat the cylinder Install the o ring 10 on the top of the cylinder 11 Lubricate the o ring Set the outlet housing 9 on the cylinder Apply thread lubricant to the six long cap screws 29 Install them through the outlet housing 9 and thread them loosely into the intake housing 16 Tighten the screws oppositely and evenly with a socket wrench then torque to 244 264 N m 180 195 ft lb See Fig 8 Place the pump lengthwise in the vise with the jaws on the outlet housing 9 as shown in Fig 5 Install the o ring 28 on the intake valve 17 Lubricate the o ring and the threads of the intake valve Place the intake ball 15 in the intake housing 16 then screw the intake valve into the intake housing handtight Using a pipe wrench torque the intake
24. tely Permanently coupled hoses cannot be repaired replace the entire hose Use only Graco approved hoses Do not remove any spring guard that is used to help protect the hose from rupture caused by kinks or bends near the couplings MOVING PARTS HAZARD si 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 308357 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 sprayed dispensed Refer to Grounding on page 5 If there is any static sparking or you feel an electric shock while using this equipment stop spray ing 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 sprayed dispensed Keep the spray dispense area free of debris including solvent rags and gasoline Electrically disconnect all equipment in the spray dispense area Extinguish all open flames or pilot lights in the spray dispense area Do not smoke in the spray dispense area Do not turn on or off any light switch in t
25. ter air valve e A pump runaway valve C senses when the pump is running too fast and automatically shuts off the air to the motor A pump which runs too fast can be seriously damaged e An air manifold G has a 1 in npt air inlet It mounts to the pump support bracket and provides ports for connecting lines to air powered accesso ries e An air line filter J removes harmful dirt and moisture from the compressed air supply e A second bleed type air valve K isolates the air line accessories for servicing Locate upstream from all other air line accessories Fluid Line Accessories Install the following accessories in the locations shown in Fig 2 using adapters as necessary e A fluid filter L with a 60 mesh 250 micron stainless steel element to filter particles from the fluid as it leaves the pump It includes a fluid drain valve M which is required in your system to relieve fluid pressure in the hose and gun see the WARNING at left e A gun S dispenses the fluid The gun shown in Fig 2 is an airless spray gun for light to medium viscosity fluids e A gun swivel R allows freer gun movement e A suction kit T allows the pump to draw fluid from a 19 liter 5 gallon pail 308357 7 Operation Maintenance Pressure Relief Procedure A WARNING SKIN INJECTION HAZARD Fluid under high pressure can be in jected through the skin and cause serious injury To reduce the risk of an injury from i
26. the intake housing f and inspect the guide surfaces See Fig 6 When disassembling the pump lay out all the removed parts in sequence to ease reassembly 6 Using a rubber mallet drive the displacement rod NOTE Repair Kit 237166 is available For the best results use all the new parts in the kit Kit parts are marked with an asterisk for example 3 Kits to convert the pump to different packing materials are 1 and piston assembly out the bottom of the cylinder 11 until the piston comes free Pull the rod and piston from the cylinder being careful not to scratch the parts also available Refer to page 20 1 Place the pump lengthwise in a large vise with the jaws on the outlet housing 9 as shown in Fig 5 Using the supplied wrench 104 loosen but do not remove the packing nut 2 A CAUTION To reduce the possibility of costly damage to the rod 1 and cylinder 11 always use a rubber mallet to drive the rod out of the cylinder Never use a ham 2 Using a pipe wrench unscrew the intake valve 17 from the intake housing 16 Be careful to catch the intake ball 15 as you remove the intake mer to drive the rod valve so that it doesn t fall and suffer damage 7 Shine a light into the cylinder 11 to inspect the Remove the o ring 28 from the intake valve inner surface for scoring or wear Remove the Inspect the ball and the seat D of the intake valve o rings 10 from the cyl
27. valve 17 to 522 542 N m 385 400 ft lb See Fig 5 Torque the packing nut 2 to 129 142 N m 95 105 ft lb Reconnect the displacement pump to the air motor as explained on page 12 Service Z Torque to 129 142 N m 95 105 ft lb See Throat Packing Detail at left Torque to 522 542 N m 385 400 ft lb A See Piston Packing Detail at left Torque to 386 407 N m 285 300 ft lb Ad Torque to 244 264 N m i 180 195 ft lb Lubricate Apply thread sealant A Lips face up A Lips face down AN 6 Throat Packing Stack Detail 2 Ref oe 03984 Fig 8 308357 17 Parts Part No 236932 Pump Series A 74 1 Ratio with Premier Air Motor W 102 ie ae SB 103t a 104 A 1107 105 9592A 18 308357 Ref No 101 102T 103T 1041 105 106T 107T 108T t These parts are included in Connection Kit 235416 Part No 222800 184583 184098 112887 236478 106166 184382 184129 Description AIR MOTOR Premier See 308213 for parts ADAPTER connecting rod NUT coupling WRENCH spanner PUMP displacement See page 19 for parts NUT hex M16 x 2 0 ROD tie 380 mm 14 96 in shoulder to shoulder COLLAR coupling Qty ai oo N ow Parts Displacement Pump 236478 Series A Ref Part Ref Part No No Description Qty No No Description Qty 1 18
28. valves Check that valves are open Obstructed fluid hose or gun valve ai clear use hose with larger ID Hose must fluid hose ID is too small be rated for 510 bar 7400 psi Fluid dried on the displacement rod Clean always stop pump at bottom of stroke keep wet cup 1 3 filled with compatible solvent Dirty worn or damaged motor parts Clean or repair see separate motor manual Pump operates but Restricted line or inadequate air supply Clear increase air supply output low on both closed or clogged valves Check that valves are open strokes Obstructed fluid hose or gun valve Open clear use hose with larger ID Hose must fluid hose ID is too small be rated for 51 0 MPa 510 bar 7400 psi Worn packings in displacement pump Replace packings Pump operates but Held open or worn intake valve Clear valve service output low on down stroke Pump operates but Held open or worn piston valve or pack Clear valve replace packings output low on upstroke ings Erratic or accelerated Exhausted fluid supply Refill and prime pump speed Held open or worn piston valve or pack Clear valve replace packings ings Held open or worn intake valve Clear valve service To determine if the fluid hose or gun is obstructed relieve the pressure Disconnect the fluid hose and place a container at the pump fluid outlet to catch any fluid Turn on the air just enough to start the pump If the pump starts when
29. while another disconnects is If the pump is mounted on a cart slowly tip the cart backward until the handle rests on the ground then disconnect the displacement pump 4 Using an adjustable wrench or hammer and punch unscrew the coupling nut 103 from the connecting rod adapter 102 Remove the cou pling collars 108 Take care not to lose or drop them See Fig 4 12 308357 Hold the tie rod flats with a wrench to keep the rods from turning Unscrew the nuts 106 from the tie rods 107 Carefully remove the displacement pump 105 from the motor 101 Refer to page 14 for displacement pump service To service the air motor refer to the separate motor manual supplied RECONNECTING THE DISPLACEMENT PUMP 1 Ensure that the rod adapter 102 has not loos ened during maintenance Proper torque is neces sary to prevent the rod adapter from loosening during the pump operation If the rod adapter 102 has loosened remove it and apply Loctite 2760 or equivalent to the rod adapter and air motor piston threads Screw the adapter 102 into the air motor shaft Hold the motor shaft flats with a wrench to keep it from turning and torque the adapter to 312 340 N m 230 250 ft lb See Fig 4 Screw the tie rods 107 into the base of the air motor 101 Using a wrench on the tie rod flats torque to 129 142 N m 95 105 ft lb Make sure the coupling nut 103 and the coupling collars 108 are in place
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