Graco 222248 Water Pump User Manual
Contents
1. bd 28 g 15 oO 9 19 C S I 66 f 34 X ACE DOWN ge FACE DOWN 56 35 124 PACKING MUST 1 ds FACE UP 12 306 646 PARTS LIST STANDARD PUMPS Model 222 248 Series A 20 1 Ratio King Pump with Standard Air Motor Includes items 1 66 Model 204 287 Series K 10 1 Ratio Bulldog Pump with Standard Air Motor Includes items 1 66 REF NO PART NO DESCRIPTION QTY 1 207 647 KING STANDARD AIR MOTOR Model 222 248 only see 306 968 for parts 1 215 255 BULLDOG QUIET AIR MOTOR Model 215 873 only see 307 304 for parts 208 356 BULLDOG STANDARD AIR MOTOR Model 204 287 only See 307 049 for parts 1 2 204 641 DISPLACEMENT PUMP ASSEMBLY Series K Includes items 3 39 56 66 1 3 205 161 HOUSING intake valve seal Includes item 30 1 4 206 256 VALVE bleeder 1 6 100 155 hex jam 5 8 18 1 7 101 354 PIN roll 0 188 4 8 mm dia 1 125 28 6 mm long 1 8 102 420 BOLT hex hd cap 5 6 11 x 12 4 11 158 440 packing intake valve 1 15 108 833 O RING Viton 1 17 106 632 O RING Viton 1 18 162 887 ROD displacement 1 19 162 888 CAP lower 1 20 162 891 ROD connecting 1 21 186 058 PACKING NUT WET CUP 1 26 181 896 HOUSING outlet 1 27 162 898 GASKET copper 3 28 162 900 HOUSING intake valve 1 29 162 901 STOP intake valve 1 30 162 902 intake valve part of item 3 1 31 162 9032. GD or Ao Model 222 526 Series 10 1 Ratio Bulldog Pump with Standard Air Motor and Severe Duty Displacement Pump Includes items 1 66 Model 223 984 Series A 10 1 Ratio Bulldog Pump with Quiet Air Motor and Severe Duty Displacement Pump Includes items 1 66 REF NO PART NO DESCRIPTION QTY 59 186 063 CYLINDER pump 1 60 186 095 ROD displacement 1 61 167 490 ADAPTER 1 62 167 476 priming 1 64 223 369 GLAND PACKING STACK throat 1 65 223 368 GLAND PACKING STACK intake valve 1 66 110 769 SEAL wiper polyurethane 1 Included in repair kit 220 861 Recommended tool box spare parts Keep on hand to reduce down time Extra warning labels and tags are available free 306 and 307 numbers in descriptions refer to separate in struction manuals supplied Displacement Pump Repair Kit 220 861 Must be purchased separately Includes Qty 3 35 2 1 1 1 NOTE O rings 108 832 108 833 and 104 445 in cluded in the kit are not used with these models HOW TO ORDER PARTS 1 To be sure you receive the correct replacement parts kits or accessories always give all of the information requested in the chart below 2 Check the parts list to identify the correct part number do not use the ref no when ordering 3 Order all parts from your nearest Graco distributor 306 646 15 ACCESSORIES USE GENUINE GRACO PARTS AND ACCESSORIES
3. Extra warning labels and tags are available free 306 and 307 numbers in descriptions refer to separate in struction manuals supplied Displacement Pump Repair Kit 220 861 Must be purchased separately Includes Ref No Qty 3 35 2 1 1 1 NOTE O ring 104 445 included in the kit is not used with these models HOW TO ORDER PARTS 1 To be sure you receive the correct replacement parts kits or accessories always give all of the information requested in the chart below 2 Check the parts list to identify the correct part number do not use the ref no when ordering 3 Order all parts from your nearest Graco distributor 306 646 13 PARTS DRAWING SEVERE DUTY PUMPS Model 222 539 Series A 20 1 Ratio King Pump with Standard Air Motor and Severe Duty Displacement Pump Includes items 1 66 Model 223 991 Series A 20 1 Ratio King Pump with Quiet Air Motor and Severe Duty Displacement Pump Includes items 1 66 TORQUE TO 60 ft Ib 82 N m GG Model 222 526 Series A 10 1 Ratio Bulldog Pump with Standard Air Motor and Severe Duty Displacement Pump Includes items 1 66 Model 223 984 Series A 10 1 Ratio Bulldog Pump with Quiet Air Motor and Severe Duty Displacement Pump Includes items 1 66 38 EES 21 9 56 LIPS OF V PACKINGS MUST FACE DOWN 27 P 62 26 MALE GLAND 11 UHMWPE LIPS OF
4. PartNo ID Length Thd Size 208 610 3 4 19 mm 6 ft 1 8 m 3 4 npt m 205 548 3 4 19 mm 15 ft 4 5 m 3 4 npt m 208 611 3 4 19 mm 25 ft 7 6 m 3 4 npt m 208 612 3 4 19 mm 50 ft 15 m 3 4 npt m 18 306 646 GROUNDED BUNA N FLUID HOSE 3500 psi 240 bar MAXIMUM WORKING PRESSURE PartNo ID Length 4 Size 214 962 1 2 12 7 mm 15ft 4 6 m 1 2 npt m 214 963 1 2 12 7 mm 25ft 7 6 m 12 npt m 214 964 1 2 12 7 mm 50 ft 15 2 m 1 2 npt m GROUNDED NYLON FLUID HOSE 3000 psi 210 bar MAXIMUM WORKING PRESSURE 214 700 3 16 4 8 mm 2 ft 610 mm 1 4 npsm foe swivel 214 701 3 16 4 6 mm 3 ft 914 mm 1 4 npt m x 1 4 npsm f Swivel 210 540 1 4 6 4 mm 25 ft 7 6 m 1 4 npsm fbe swivel 210 541 1 4 6 4 mm 50 ft 15 2 m 1 4 npsm fbe ae 214 703 3 8 9 5 mm 25 ft 7 6 m 3 8 npt mbe 214 705 3 8 9 5 mm 50 ft 15 2 m 3 8 npt mbe 214 920 3 8 9 5 mm 100 ft 30 4 m 3 8 npt mbe GROUNDED BUNA N FLUID HOSE 5000 psi 345 bar MAXIMUM WORKING PRESSURE PartNo ID Length Thd Size 215 445 1 2 12 7 mm 5 ft 1 5 m 1 2 npt mbe 215 441 1 2 12 7 mm 10 ft 3 1 m 1 2 npt mbe 215 443 1 2 12 7 mm 25 ft 7 6 m 1 2 npt mbe 215 444 1 2 12 7 mm 50 ft 15 2 m 1 2 npt mbe GROUNDED NEOPRENE FLUID HOSE 5000 psi 345 bar MAXIMUM WORKING PRESSUR
5. f packine MUST FACE UHMWPE PTFE UHMWPE 52 E TORQUE TO 4 1 40 50 ft Ib M 54 68 N m J i PTFE gt UHMWPE 65 PTFE LIPS OF S V PACKINGS UHMWPE 44 MUST FACE UP FEMALE 49 TORQUE TO GLAND 344 Be Med mue 3 SHIM 64 68 N m lt 50 E gt AS REQ D 47 30 LUBRICATE 42 lt gt 53 60 LUBRICATE TOP THREAD 34 e y 66 LIPS MUST 2 FACE DOWN 14 306 646 PARTS LIST SEVERE DUTY PUMPS Model 222 539 Series A 20 1 Ratio King Pump with Standard Air Motor and Severe Duty Displacement Pump Includes items 1 66 Model 223 991 Series A 20 1 Ratio King Pump with Quiet Air Motor and Severe Duty Displacement Pump Includes items 1 66 REF NO 1 NOB 99 N 21 26 27 28 29 30 31 34 35 36 37 38 41 42 44 45 47 49 50 52 53 56 58 PART NO 207 647 220 106 208 356 215 255 222 638 Series B 205 161 206 256 100 155 101 354 102 420 158 440 186 058 181 896 162 898 162 900 162 901 162 902 162 903 165 888 181 897 165 890 172 199 181 893 100 103 100 104 101 712 101 936 158 674 168 211 161 543 168 210 161 544 168 824 168 253 164 443 108 543 172 477 DESCRIPTION QTY KING STANDARD AIR MOTOR Model 222 539 only see 306 968 for parts 1 KING QUIE
6. 222 526 and 223 984 13 cfm per gallon pumped 0 10 m3 min liter at 100 psi 7 bar air pressure up to 120 cfm 3 4 m3 min liter with pump Maximum Recommended Pump 60 cycles min 8 5 gpm 32 liter min delivery Maximum Pump Discharge Pressure Bulldog Models 204 287 215 873 222 526 and 223 984 1000 psi 70 bar King Models 222 248 222 539 223 991 1800 psi 124 bar Wetted Parts Carbon Steel Zinc Plating Nitralloy Bronze Ultra High Molecular Weight Polyethylene operated within recommended range King Models 222 248 222 539 and 223 991 11 cfm per gallon pumped 0 31 m3 min liter at 70 psi 5 bar air pressure up to 80 cfm 2 26 m3 min liter with pump operated within recommended range Pump Cycles Per Gallon liter 7 26 5 PTFE Delrine Viton Thiokol 101 Ib 46 kg approximate Delrin PTFE and Vitone DuPont Co Thiokol is a registered trademark of the Thiokol Chemical Corp are registered trademarks of the THE GRACO WARRANTY AND DISCLAIMERS WARRANTY Graco warrants all equipment manufactured by it and bearing its name to be free from defects in material and work manship on the date of sale by an authorized Graco distributor to the original purchaser for use As purchaser s sole remedy for breach of this warranty Grac
7. Air Line Filter Air Regulator and Gauge Bleed Type Master Air Valve Air Line Lubricator Pump Runaway Valve Bleed Type Master Air Valve Fluid Drain Valve Air Powered Ram Gun Dispensing Valve Grounded Fluid Supply Hose Whip Hose L W 118 Air Supply Hose to Ram The reference numbers and letters in the text refer to the callouts in Figures 1 3 and the Parts Drawings See pages 16 18 for accessories available from Graco Be sure all accessories are properly sized to withstand the pressures in the system The Typical Installation shown above is only a guide to selecting and installing required and optional accesso ries For assistance in designing a system to suit your particular needs contact your Graco representative The Dimensional Drawing on page 19 provides neces sary measurements for mounting the pump If you use an accessory ram J as shown in the T ypical Installation refer to the separate ram manual for mounting dimension requirements System Accessories Install the air line accessories in the order shown in the Typical Installation Working upstream from the pump air inlet install a pump runaway valve F to shut off the air to the pump if the pump accelerates beyond the pread justed setting A pump which runs too fast can be seri ously damage
8. Whenever you stop spraying dispensing even for a moment always set the gun valve safety latch in the closed or safe position making the gun valve inoperative Failure to set the safety latch can result in accidental triggering of the gun valve Trigger Guard only on spray guns Never operate the spray gun with the trigger guard removed This guard helps prevent the spray gun from triggering accidentally if it is dropped or bumped Diffuser only on spray guns The spray gun diffuser breaks up spray and reduces the risk of fluid injec tion when the tip is not installed Check the diffuser operation regularly Follow the Pressure Relief Procedure to the right then remove the spray tip Aim the spray gun into a grounded metal pail holding the spray gun firmly to the pail Using the lowest possible pressure trigger the spray gun If the fluid emitted is not diffused into an irregular stream re place the diffuser immediately 2 306 646 The air motor piston located behind the air motor shield also moves when air is supplied to the motor NEVER operate the pump with the air motor shield removed Before servicing the pump follow the Pressure Relief Procedure below to prevent the pump from starting accidentally Tip Guard only on spray guns ALWAYS have the tip guard in place on the spray gun while spraying The tip guard alerts you to the fluid injection hazard and helps reduce but does not prevent the risk of accidentall
9. patible solvent Follow the Pressure Relief Proce dure Warning on page 7 Stop the pump at the bot tom of its stroke Disconnect all the hoses Remove the pump from its mounting and clamp it in a vise Model 204 641 Displacement Pump Used on Models 204 287 215 873 and 222 248 Disassembly NOTE Refer to Fig 2 and the parts drawing 1 Remove the cotter pin 41 Unscrew the coupling nut 50 and the three tie rod locknuts 44 Pull the displacement pump 2 off the air motor 1 Remove the cotter pin 42 Loosen the locknut 45 Unscrew the connecting rod 53 from the upper cap 33 Insert a 1 4 in 6 mm diameter rod in the holes of the packing nut wet cup 21 and loosen it Push the displacement rod 18 down until the priming piston 37 clears the intake valve housing 28 Remove the nut 6 priming piston 37 valve plate 36 and plate guide 31 Unscrew the four tie bolts 8 and pull the intake valve housing 28 off the pump Pull the priming rod 32 and displacement rod 18 out of the bottom of the cylinder 39 Remove the pin 7 and unscrew the priming rod 32 from the connecting rod 20 306 646 5 9 Pull the cylinder 39 down out of the outlet housing 26 Inspect the inner surface of the cylinder and the outer surface of the displacement rod 18 for scratches or scoring which can cause premature packing wear and leaking To check run a finger over the surface or hol
10. 38 Be sure the lips of the packing are facing up 10 306 646 10 11 12 13 14 Reconnect the fluid and air Install the piston 38 valve plate 34 and adapter 61 on the displacement rod 60 Thread the connecting rod 62 into the adapter 61 and secure with the pin 7 Install one copper gasket 27 in the outlet housing 26 Push the displacement rod 60 and priming rod 62 up into the outlet housing 26 so the top of the displacement rod just protrudes from the packing nut wet cup 21 Lubricate the priming rod 62 Install the cylinder 59 in the outlet housing 26 be ing careful not to scratch the polished inner surface of the cylinder See Detail C of Fig 3 Slide the intake valve gland packing stack 65 into the intake valve seal housing 3 Do not disassemble the stack Be sure the lips of the v packings are facing up Tighten the packing nut 11 Install the valve seat 30 in the intake valve housing 28 Place the intake valve seal housing 3 on the seat 30 Install two copper gaskets 27 on the intake valve stop 29 Install the stop in the intake valve housing 28 Carefully guide the intake valve housing 28 up over the priming rod 62 and install it on the cylinder 59 Insert the four tie bolts 8 through the outlet housing 26 and engage the holes in the intake valve hous ing Torque the tie bolts oppositely and evenly to 60 ft lb 82 N m Insta
11. Must be purchased separately GROUNDING CLAMP 103 538 GROUND WIRE 208 950 7 6 m 25 ft long 1 5 mm 12 gauge AIR PRESSURE REGULATOR KIT 205 712 200 psi 14 bar MAXIMUM WORKING PRESSURE Includes bleed type master air valve 3 4 npt 3 4 npsm f SWIVEL AIR INLET UNION AIR PRESSURE REGULATOR 207 755 10 125 psi 1 9 bar MAXIMUM WORKING PRESSURE 3 4 npt inlet and outlet AIR PRESSURE GAUGE 101 180 0 200 psi 0 14 bar RANGE 3 4 NPT INLET AND OUTLET 16 306 646 BLEED TYPE MASTER AIR VALVE 300 psi 21 bar MAXIMUM WORKING PRESSURE Relieves air trapped in the air line between the pump air inlet and this valve when closed 107 141 107 142 3 4 npt mxf inlet and outlet 1 2 npt mxf inlet and outlet AIR LINE FILTER 250 psi 17 5 bar MAXIMUM WORKING PRESSURE 106 149 1 2 npt inlet and outlet 106 150 3 4 npt inlet and outlet AIR LINE LUBRICATOR 250 psi 17 5 bar MAXIMUM WORKING PRESSURE 214 848 1 2 npt inlet and outlet 214 849 3 4 npt inlet and outlet PUMP RUNAWAY VALVE 215 362 180 psi 12 bar MAXIMUM WORKING PRESSURE Shuts off air supply to the pump if the pump accelerates beyond the pre adjusted setting due to an empty supply container interrupted fluid supply to the pump or exces sive cavitation 3 4 npt f inlet and outlet ACCESSORIES CONTINUED ON THE NEXT PAGE ACCESSORIES USE GENUINE GRACO PARTS AND ACCESSORIES Must be purchased separately GRACO THROAT SEA
12. CONSTITUTE PURCHASER S SOLE AND EXCLUSIVE REMEDY AND ARE IN LIEU OF ANY OTHER WAR RANTIES EXPRESS OR IMPLIED INCLUDING WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE AND OF ANY NON CONTRACTUAL LIABILITIES INCLUDING PRODUCT LIABILITIES BASED ON NEGLIGENCE OR STRICT LIABILITY EVERY FORM OF LIABILITY FOR DIRECT SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS IS EXPRESSLY EXCLUDED AND DENIED IN NO CASE SHALL GRACO S LIABILITY EXCEED THE AMOUNT OF THE PURCHASE PRICE ANY ACTION FOR BREACH OF WARRANTY MUST BE BROUGHT WITHIN TWO 2 YEARS OF THE DATE OF SALE EQUIPMENT NOT COVERED BY GRACO WARRANTY GRACO MAKES NO WARRANTY AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO ACCESSORIES EQUIPMENT MATERIALS OR COMPONENTS SOLD BUT NOT MANUFACTURED BY GRACO These items sold but not manufactured by Graco such as electric motor 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 IMPORTANT PHONE NUMBERS TO PLACE AN ORDER contact your Graco distributor or call this number to identify the distributor closest to you 1 800 328 0211 Toll Free FOR TECHNICAL ASSISTANCE service repair infor mation or assistance regarding the application of Graco equipment 1 800 543 0339 Toll Free Factory Branches Atlanta Chicago Dallas Det
13. Severe Duty Pumps 14 Parts List Severe Duty Pumps 15 How To Order Replacement Parts 13 15 ACCeSSOL GS re dur 16 18 Dimensional Drawing 19 ced Mounting Hole 19 Technical Back Cover Warranty 1 5 hlc be Back Cover Model 204 287 Shown GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 SAFETY WARNINGS HIGH PRESSURE FLUID CAN CAUSE SERIOUS INJURY FOR PROFESSIONAL USE ONLY OBSERVE ALL WARNINGS Read And Understand All Instruction Manuals Before Operating Equipment MOVING PARTS HAZARD KEEP HANDS AND FINGERS AWAY FROM THE PRIMING PISTON DURING OPERATION AND WHENEVER THE PUMP IS CHARGED WITH AIR to reduce the risk of injury On the pump downstroke the priming piston extends beyond the intake cylinder to pull the material into the pump The priming piston works under extreme force During opera tion and whenever the pump is charged with air the priming piston can severely injure or amputate a hand or finger or break a tool caught be tween it and the intake cylinder Always follow the Pressure Relief Pro cedure below before checking clearing cleaning flushing or servicing any part of the pump FLUID INJECTION HAZARD General Safety This equipment generates very high fluid pressure Spray from the gun valve leaks or
14. been identified and corrected To ground the pump To ground the pump loosen the grounding lug locknut W and washer X Insert one end of a 1 5 mm 12 ga minimum ground wire Y into the slot in lug Z and tighten the locknut securely See Fig 1 Connect the other end of the wire to a true earth ground See ACCESSORIES on page 16 to order a ground wire and clamp System Pressure The 10 1 Bulldog Pump develops 1000 psi 70 bar MAXIMUM WORK ING PRESSURE at 100 psi 7 bar air pressure The 20 1 King Pump de velops 1800 psi 124 bar MAXIMUM WORKING PRESSURE at 90 psi 6 bar air pressure Never exceed these pressures Be sure that all spray dispensing equipment and accessories are rated to withstand the maximum working pressure of the pump DO NOT exceed the maximum working pressure of any component or accessory used in the system Fluid Compatibility BE SURE that all fluids and solvents used are chemically compatible with the wetted parts shown in the TECHNICAL DATA on the back cover Al ways read the manufacturer s literature before using fluid or solvent in this pump HANDLE AND ROUTE HOSES CAREFULLY Do not pull on hoses to move equipment Do not use fluids which are not compatible with the in ner tube and cover of the hose DO NOT expose Graco hoses to tem peratures above 82 180 F orbelow 40 C 40 F Hose Grounding Continuity Proper hose grounding continuity is essential to maintaining a grounded s
15. in hose rupture TIGHTEN all fluid connections securely before each use High pressure fluid can dislodge a loose coupling or allow high pressure spray to be emitted from the coupling NEVER use a damaged hose Before each use check the entire hose for cuts leaks abrasion bulging cover or damage or movement of the hose couplings If any of these conditions exist replace the hose immediately DO NOT try to recouple high pressure hose or mend it with tape or any other device A repaired hose cannot safely contain the high pressure fluid FIRE OR EXPLOSION HAZARD Static electricity is created by the flow of fluid through the pump and hose If every part of the spray dispensing equipment is not properly grounded sparking may occur and the system may become hazardous Sparking may also occur when plugging in or unplugging a power supply cord Sparks can ignite fumes from solvents and the fluid being sprayed dust particles and other flammable substances whether you are spraying dis pensing indoors or outdoors and can cause a fire or explosion and seri ous bodily injury and property damage Do not plug in or unplug any power supply cords in the spray dispensing area when there is any chance of igniting fumes still in the air If you experience any static sparking or even a slight shock while using this equipment STOP SPRAYING IMMEDIATELY Check the entire sys tem for proper grounding Do not use the system again until the problem has
16. 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 nozzle or hose end coupling and relieve pressure gradually then loosen completely Now clear the tip nozzle or hose WARNING Moving parts can pinch or amputate your fingers or other body parts When the pump is operating the priming piston located at the pump intake and the air motor piston located behind the air motor shield move Therefore NEVER operate the pump with the air motor shield removed and keep your fingers and hands away from the priming piston Before attempting to clear an obstruction from the priming piston or service the pump follow the Pres sure Relief Procedure Warning above to prevent the pump from starting accidentally Flush the Pump Before Using This pump was tested with lightweight motor oil which was left in to protect the pump parts To prevent contami nation of the fluid being pumped flush the pump with a compatible solvent before using it If the pump is being used to supply a circulating system allow the solvent to circulate until the pump and lines are thoroughly flushed Keep the packing nut wet cup 21 one half full with Graco Throat Seal Liquid TSL to help prevent the fluid being pumped from drying on the displacement rod and damaging the packings Starting and Adjusting the Pump 1 Make sure the air regulator
17. 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 nozzle or hose end coupling and relieve pressure gradually then loosen completely Now clear the tip nozzle or hose EQUIPMENT MISUSE HAZARD General Safety Any misuse of the spray dispensing equipment or accessories such as overpressurizing modifying parts using incompatible chemicals and flu ids or using worn or damaged parts can cause them to rupture and result in fluid injection splashing in the eyes or on the skin or other serious bod ily injury or fire explosion or property damage NEVER alter or modify any part of this equipment doing so could cause it to malfunction CHECK all spray dispensing equipment regularly and repair or replace worn or damaged parts immediately Always wear protective eyewear gloves clothing and respirator as rec ommended by the fluid and solvent manufacturer HOSE SAFETY High pressure fluid in the hoses can be very dangerous If the hose devel ops a leak split or rupture due to any kind of wear damage or misuse the high pressure spray emitted from it can cause a fluid injection injury or other serious bodily injury or property damage ALL FLUID HOSES USED WITH A FLEXING MOTION MUST HAVE SPRING GUARDS ON BOTH ENDS The spring guards help protect the hose from kinks or bends at or close to the coupling which can result
18. ACE DOWN THROAT GLAND PACKING STACK 33 21 48 66 26 26 REF Q i O DETAIL B A E gt 5999 56 8 LIPS OF TORQUE TO PACKING 44 ftib VAGEUE TORQUE TO 82 Nim 40 50 ft lb SEE DETAIL A 35 54 68 N m epe re EE oe 38 17 7 Ar 19 29 SEE DETAIL B Eu DETAIL C 27 Y 39 28 LIPS OF 4 INTAKE V PACKINGS i GLAND PACE FACE UP be SEE DETAIL C PACKING STACK 31 30 28 RAIN REF 36 Fig 2 306 646 9 Model 222 638 Displacement Pump Used on Models 222 526 222 539 223 984 and 223 991 NOTE Before beginning read Before Y ou Start on page 8 Disassembly NOTE Refer to Fig 3 and the parts drawing during the 9 following procedure Remove the cotter pin 41 Unscrew the coupling nut 50 and the three tie rod locknuts 44 Pull the displacement pump 2 off the air motor 1 Remove the cotter pin 42 Loosen the locknut 45 Unscrew the connecting rod 53 from the displace ment rod 60 Insert a 1 4 in 6 mm diameter rod in the holes of the packing nut wet cup 21 and loosen it Push the displacement rod 60 down until the priming piston 37 clears the intake valve housing 28 Remove the nut 6 priming piston 37 valve plate 36 and plate guide 31 Unscrew the four tie bolts 8 and pull the intake valve housing 28 off the pump Pull the priming rod 62 and displ
19. C drain valve H and pump bleeder valve 4 are closed 2 Openthe bleed type master air valve D 3 Hold a metal part of the gun valve firmly to the side of a grounded metal pail and trigger the gun valve 4 Slowly open the air regulator C until the pump starts running slowly and smoothly about 20 psi 1 4 bar Cycle the pump slowly until all the air is purged from the pump and lines 5 Ifthe pump is not priming properly open the bleeder valve 4 slightly Do not open it all the way the han dle can come off Cover the bleeder valve hole with something other than your hand or fingers and use it as a priming valve until the fluid appears at the bleeder hole Close the bleeder valve WARNING To reduce the risk of fluid injection DO NOT use your hand or fingers to cover the bleeder hole when priming the pump 6 Release the trigger and engage the safety latch The pump will stall against pressure 7 a direct supply system the pump will start and stop as the gun valve is opened and closed In a circulat ing system it will run continuously and speed up or slow down as the system demands Always use the lowest pressure necessary to obtain the desired re sults WARNING To reduce the risk of serious bodily injury including fluid injection and splashing in the eyes or on the skin and property damage never exceed the maxi mum air and fluid working pressure of the lowest rated component in yo
20. E PartNo ID Length Thd Size 215 241 3 4 19 1 6 ft 1 8 m 3 4 npt mbe 215 238 3 4 19 1 mm 10 ft 3 1 m 3 4 npt mbe 215 239 3 4 19 1 mm 15 ft 7 6 m 3 4 npt mbe 215 240 3 4 19 1 mm 25 ft 7 6 m 3 4 npt mbe DIMENSIONS 3 4 NPSM F AIR INLET 21 25 540 mm OPTIONAL FLUID OUTLET E 13 875 54 75 252 1391 IDE Se KES AA 19 625 so mm 3 rLUID OUTLET ON DOWN 2 STROKE 8 Ire T cxt 4 25 108 mm DIA MOUNTING HOLE LAYOUT 11 25 286 mm DIA AIR MOTOR BASE FLANGE USE GASKET 161 806 ORDER SEPARATELY FOUR 0 44 11 1 mm HOLES ON 10 5 267 mm BOLT CIRCLE 9 75 248 mm DIA 6 5 165 mm DIA DISPLACEMENT PUMP FLANGE G lt m USE GASKET 162 788 FOUR 0 41 10 3 mm HOLES ON 5 5 140 mm BOLT CIRCLE T D 4 375 111 mm DIA SERVICE INFORMATION SERIES CHANGE NOTE Model 222 638 Displace ment Pump is advanced to Series B ADDED MODELS NOTE Model 223 984 Quiet Bulldog and 223 991 Quiet King are added to the manual 306 646 19 TECHNICAL DATA Air Operating Range Bulldog Models 204 287 215 873 222 526 223 984 40 100 psi 3 7 bar King Models 222 248 222 539 223 991 40 90 psi 3 6 bar Air consumption Bulldog Models 204 287 215 873
21. GUIDE valve plate 1 32 162 906 ROD priming 1 33 164 442 CAP upper 1 34 165 888 PLATE valve 1 35 181 897 BEARING piston 2 36 165 890 PLATE valve 1 37 172 199 PISTON priming 1 38 181 893 PISTON cylinder 1 39 180 936 CYLINDER pump 1 41 100 103 PIN cotter 0 125 3 2 mm dia x 1 5 38 mm long 1 42 100 104 PIN cotter 0 125 3 2 mm dia x 1 75 45 mm long 1 44 101 712 NUT lock 5 8 11 w nylon insert 3 45 101 936 NUT hex jam 3 4 1 47 158 674 O RING nitrile rubber 1 49 168 211 COUPLING connecting rod Model 222 248 only 1 161 543 COUPLING connecting rod Models 215 873 amp 204 287 only 1 50 168 210 NUT shouldered Model 222 248 only 1 161 544 NUT shouldered Models 215 873 amp 204 287 only 1 52 168 824 ROD tie 13 7 8 352 4 mm long shoulder to shoulder Model 215 873 Series B 10 1 Ratio Bulldog Pump with Quiet Air Motor Includes items 1 66 REF NO PARTNO DESCRIPTION QTY 53 168 253 ROD connecting 9 5 16 236 5 mm Model 222 248 only 1 164 443 ROD connecting 9 3 8 238 1 mm Models 215 873 amp 204 287 only 1 56 106 543 PACKING u cup UHMWPE 1 58 172 477 warning not shown 1 64 223 369 GLAND PACKING STACK throat 1 65 223 368 GLAND PACKING STACK intake valve 1 66 110 769 SEAL wiper polyurethane 1 Included in repair kit 220 861 Recommended tool box spare parts Keep on hand to reduce down time
22. INSTRUCTIONS PARTS LIST C 306 646 GRACO Rev This manual contains IMPORTANT Supersedes P WARNINGS AND INSTRUCTIONS READ AND RETAIN FOR REFERENCE and KING PUMPS DRUM LENGTH WITH PRIMING PISTON 10 1 RATIO BULLDOG PUMPS 100 psi 7 bar MAXIMUM AIR WORKING PRESSURE 1000 psi 70 bar MAXIMUM FLUID WORKING PRESSURE Model 204 287 Series With Standard Air Motor Model 215 873 Series B With Quiet Air Motor Model 222 526 Series A With Standard Air Motor and Severe Duty Displacement Pump Model 223 984 Series A With Quiet Air Motor and Severe Duty Displacement Pump 20 1 RATIO KING PUMPS 90 psi 6 bar MAXIMUM AIR WORKING PRESSURE 1800 psi 124 bar MAXIMUM FLUID WORKING PRESSURE Model 222 248 Series A With Standard Air Motor Model 222 539 Series A With Standard Air Motor and Severe Duty Displacement Pump Model 223 991 Series A With Quiet Air Motor and Severe Duty Displacement Pump TABLE OF CONTENTS Warnings sisse ER HR OPEN e 2 3 Typical Installation 4 Installation v soe aya head naa ieee 4 Operation este DRE ES 5 Maintenance svi Gatto plea a cose 6 Troubleshooting Guide 7 E E Displacement Pump Service 6 11 SS E Parts Drawing Standard Pumps 12 pue Parts List Standard 13 Parts Drawing
23. L LIQUID FLOOR STAND KIT 222 699 Non evaporating liquid for wet cup Provides secure floor mounting for pump when used with bulk fluid containers 3 npt fluid inlet Includes instruc 206 995 1 quart 0 95 liter 206 996 1 gallon 3 8 liter tions Part nos 185 443 Ring and 185 445 Plate in cluded in the kit are not used with these pumps FLUID DRAIN VALVE 210 658 350 bar 5000 psi MAXIMUM WORKING PRESSURE 3 8 npt f mbe Viton seals PUMP INTAKE 200 LITER 55 gal ELEVATOR INDUCTOR 222 635 For highly viscous fluids that require the weight of a pump on an inductor plate to assist in pump priming ACCESSORIES CONTINUED ON THE NEXT PAGE 306 646 17 ACCESSORIES USE GENUINE GRACO PARTS AND ACCESSORIES Must be purchased separately HYDRA MASTIC AUTOMATIC AIRLESS SPRAY GUN 206 660 3000 psi 210 bar MAXIMUM WORKING PRESSURE Has a 0 180 in 4 57 mm fluid valve orifice and internal 3 pin safety diffuser for spraying highly viscous semi solid fluids Requires installing a 3 way air solenoid con trol valve with a timer to operate the gun PISTOL GRIP FLO GUN 207 945 6000 psi 420 bar MAXIMUM WORKING PRESSURE EXTRUSION FLO GUN 204 355 3000 psi 210 bar MAXIMUM WORKING PRESSURE JOINT SEALER POLE GUN 203 810 Less Nozzle 3000 psi 210 bar MAXIMUM WORKING PRESSURE For sealing joints in concrete 3 4 npt GROUNDED BUNA N AIR SUPPLY HOSE 175 psi 12 bar MAXIMUM WORKING PRESSURE
24. T AIR MOTOR Model 223 991 only see 307 741 for parts 1 BULLDOG STANDARD AIR MOTOR Model 222 526 only See 307 049 for parts 1 BULLDOG QUIET AIR MOTOR Model 223 984 only See 307 304 for parts 1 DISPLACEMENT PUMP ASSEMBLY Includes items 3 38 56 66 1 HOUSING intake valve seal Includes item 30 1 VALVE bleeder 1 hex jam 5 8 18 1 PIN roll 0 188 4 8 mm dia 1 125 28 6 mm long BOLT hex hd cap 5 6 11 x 12 NUT packing intake valve PACKING NUT WET CUP HOUSING outlet GASKET copper HOUSING intake valve STOP intake valve SEAT intake valve part of item 3 GUIDE valve plate PLATE valve BEARING piston PLATE valve PISTON priming PISTON cylinder PIN cotter 0 125 3 2 mm dia x 1 5 38 mm long PIN cotter 0 125 3 2 mm dia x 1 75 45 mm long NUT lock 5 8 11 w nylon insert NUT hex jam 3 4 O RING nitrile rubber COUPLING connecting rod Models 222 539 and 223 991 only 1 COUPLING connecting rod Models 222 526 and 223 984 only 1 NUT shouldered Models 222 539 and 223 991 only 1 NUT shouldered Models 222 526 and 223 984 only 1 ROD tie 13 7 8 352 4 mm long shoulder to shoulder 3 ROD connecting 9 5 16 236 5 mm Models 222 539 and 223 991 only 1 ROD connecting 9 3 8 238 1 mm Models 222 526 and 223 984 only 1 PACKING u cup UHMWPE 1 TAG warning not shown 1 2
25. acement rod 60 out of the bottom of the cylinder 59 Remove the pin 7 and unscrew the priming rod 62 from the adapter 61 Pull the cylinder 59 down out of the outlet housing 26 Inspect the inner surface of the cylinder and the outer surface of the displacement rod 18 for scratches or scoring which can cause premature packing wear and leaking To check run a finger over the surface or hold the part up to the light at an angle Disassemble the intake valve 3 Clean and inspect all parts replacing as necessary Check the intake valve seat 30 for nicks or damage Unscrew the adapter 61 from the displacement rod 60 Remove and inspect the piston 38 Disas semble the piston Unscrew the packing nut wet cup 21 Remove the wiper seal 66 Remove the throat packings from the outlet housing 26 Clean and inspect all parts replacing as necessary Reassembly NOTE Refer to Fig 3 and the parts drawing during the following procedure See Detail A of Fig 3 The gland packing stack 64 for the throat is preassembled Do not disassemble the stack Lubricate the gland packing stack and in stall it into the outlet housing 26 Be sure the lips of the v packings are facing down Install the wiper seal 66 in the groove of the wet cup 21 with the lips facing down Loosely install the packing nut wet cup 21 See Detail B of Fig 3 Install the two bearings 35 and the u cup packing 56 on the piston
26. b 82 N m K 27 38 44 TORQUE TO 40 50 ft lb 54 68 N m SEE DETAIL B 59 27 3 62 SEE DETAIL C 31 28 30 Fig 3 DETAIL A 21 REF LIPS OF V PACKINGS MUST FACE DOWN 26 REF DETAIL B 56 LIPS OF PACKING MUST FACE UP 35 DETAIL C INTAKE VALVE GLAND PACKING STACK REF 60 REF 64 THROAT GLAND PACKING STACK LIPS OF V PACKINGS MUST FACE UP 306 646 11 PARTS DRAWING STANDARD PUMPS Model 222 248 Series A 20 1 Ratio King Pump with Standard Air Motor Includes items 1 66 Model 204 287 Series 10 1 Ratio Bulldog Pump with Standard Air Motor Includes items 1 66 Model 215 873 Series B 10 1 Ratio Bulldog Pump with Quiet Air Motor Includes items 1 66 LIPS OF 5 V PACKINGS MUST 8 x FACE DOWN TORQUE TO 9 h Q 60 ft Ib 2 RV d a T PTFE 64 20 UHMWPE l 822 MALE GLAND LJ 29 ES 27 LE 52 TORQUE TO xd ERN 40 50 ft Ib 54 68 N m 40 50 ft Ib 39 54 68 N m a ane g 11 GLAND UHMWPE nae W 33 gt UHMWPE 49 Ey see PTFE i 3 LA UHMWPE 41 NE eo 2 Toa 47 2 Cy V PACKINGS GLAND LUBRICATE M 00 MUST FACE UP fF Sali 18 AS REQ D 53 B N LUBRICATE TOP 30 quM i
27. d Next install an air line lubricator E for automatic air mo tor lubrication a bleed type master air valve D to re lieve air trapped between the valve and the pump an air regulator C to control pump speed and an air line filter B to remove harmful dirt and moisture from the com pressed air supply Install a second bleed valve G on the pump air line to isolate the accessories for servicing Be sure the pump air line A is properly grounded and is large enough to supply an adequate volume of air to the motor An air powered ram J requires a separate grounded air supply line N 4 306 646 Pump Ground Wire Pump Bleeder Valve XZzrAXcrommoou WARNING Two accessories are required in your system a bleed type master air valve D and a fluid drain valve H These accessories help reduce the risk of serious bodily injury including fluid injection splash ing 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 unex pectedly Locate the valve close to the pump The fluid drain valve assists in relieving fluid pres sure in the displacement pump hose and spray gun triggering the spray gun to relieve pressure may not be sufficient Install a fluid drain valve H close to the pump fluid outlet Then c
28. d the part up to the light at an angle Disassemble the intake valve 3 Clean and inspect all parts replacing as necessary Check the intake valve seat 30 for nicks or damage Unscrew the upper cap 33 from the connecting rod 20 Pull the displacement rod 18 off the lower cap 19 and remove the piston assembly from the con necting rod Disassemble the piston Unscrew the packing nut wet cup 21 Remove the wiper seal 66 Remove the throat packings from the outlet housing 26 Clean and inspect all parts replacing as necessary Reassembly NOTE Refer to Fig 2 and the parts drawing during the 1 following procedure See Detail A of Fig 2 The gland packing stack 64 for the throat is preassembled Do not disassemble the stack Lubricate the gland packing stack and in stall it into the outlet housing 26 Be sure the lips of the v packings are facing down Install the wiper seal 66 in the groove of the wet cup 21 with the lips facing down Loosely install the packing nut wet cup 21 See Detail B of Fig 2 Install the two bearings 35 and the u cup packing 56 on the piston 38 Be sure the lips of the packing are facing up Install the small o ring 15 in the lower cap 19 and the larger o ring 17 on the outside of the lower Install the piston 38 valve plate 34 and lower cap 19 on the connecting rod 20 Insert the connecting rod 20 into the displacement rod 18 so th
29. e lower cap 19 fits into the bottom of the displacement rod Screw the top cap 33 onto the connecting rod 20 until it is tight against the top of the displacement rod 18 Install one copper gasket 27 in the outlet housing 26 Screw the priming rod 32 into the connecting rod 20 and secure with the pin 7 Push the dis placement rod 18 and priming rod 32 up into the outlet housing 26 so the top of the displacement rod just protrudes from the packing nut wet cup 21 Lubricate the priming rod 32 Install the cylinder 39 in the outlet housing 26 be ing careful not to scratch the polished inner surface of the cylinder See Detail C of Fig 2 Slide the intake valve gland packing stack 65 into the intake valve seal housing 3 Do not disassemble the stack Be sure the lips of the v packings are facing up Tighten the packing nut 11 Install the valve seat 30 in the intake valve housing 28 Place the intake valve seal housing 3 on the seat 30 Install two copper gaskets 27 on the intake valve stop 29 Install the stop in the intake valve housing 28 9 Carefully guide the intake valve housing 28 up over the priming rod 32 and install it on the cylinder 39 Insert the four tie bolts 8 through the outlet housing 26 and engage the holes in the intake valve hous ing Torque the tie bolts oppositely and evenly to 60 ft lb 82 N m 10 Install the plate guide 31 plate 36 prim
30. f fluid injection injury static sparking or splashing in the eyes or on the skin follow the Pres sure Relief Procedure Warning on page 7 and remove the spray tip spray guns only before flushing Hold a 6 306 646 metal part of the gun valve firmly to the side of a grounded metal pail and use the lowest possible fluid pressure during flushing Lubrication The accessory air line lubricator E provides automatic air motor lubrication For daily manual lubrication dis connect the air regulator C place about 15 drops of light machine oil in the pump air inlet reconnect the regulator and turn on the air supply to blow oil into the motor Corrosion Protection WARNING Water or even moist air can cause your pump to corrode To help prevent corrosion never leave the pump filled with water or air After normal flushing flush the pump again with mineral spirits or oil based solvent relieve pressure and leave the min eral spirits in the pump Be sure to follow all steps ofthe Pressure Relief Procedure W arning on page 7 TROUBLESHOOTING GUIDE WARNING Pressure Relief Procedure To reduce the risk of serious bodily injury including fluid injec 6 Engage the gun valve safety latch tion splashing in the eyes or on the skin or injury from moving parts always follow this procedure whenever you shut off the 7 Open the drain valve and or the pump bleeder valve re pump when checking or servicing any part
31. he pail on a nonconductive surface such as paper or cardboard which interrupts the grounding continuity 9 maintain grounding continuity when flushing or relieving pres sure always hold a metal part of the gun valve firmly to the side of a grounded metal pail then trigger the gun valve Flushing Safety Before flushing be sure the entire system and flushing pails are properly grounded Refer to Grounding above Follow the Pressure Relief Procedure on page 2 and remove the spray tip nozzle from the gun valve Always use the lowest possible fluid pressure and maintain firm metal to metal contact between the gun valve and the pail during flushing to reduce the risk of fluid injection injury static sparking and splashing IMPORTANT United States Government safety standards have been adopted under the Occupational Safety and Health Act These standards particularly the Gen eral Standards Part 1910 and the Construction Standards Part 1926 should be consulted 306 646 3 INSTALLATION TYPICAL INSTALLATION 1 G N E T Air Supply Hose to Pump
32. ill and reprime or flush low on both strokes Restricted line or inadequate air supply Clear See TECHNICAL DATA on back cover Insufficient air pressure closed or clogged air Open clear valves etc Obstructed fluid hose or gun valve Clear Bleeder valve open or worn Close replace Air leaking into supply drum Check inductor or ram plate seal Fluid too heavy for pump priming Use pump bleeder valve see page 5 Use inductor or ram unit Worn throat packings in displacement pump Replace gland packing stack Pump operates but output Fluid too heavy for pump priming Use pump bleeder valve see page 5 Use inductor or low on downstroke ram unit Held open or worn intake valve or packings Clear valve replace gland packing stack Pump operates but output Held open or worn piston valve or packings Clear valve replace gland packing stack low on upstroke Erratic or accelerated Exhausted fluid supply Refill and reprime or flush pump speed Fluid too heavy for pump priming Use pump bleeder valve see page 5 Use inductor or ram unit Held open or worn piston valve or packings Clear valve replace packings Held open or worn intake valve or packings Clear valve replace gland packing stack Worn throat packings in displacement pump Replace gland packing stack clear the pump follow the Pressure Relief Procedure Warning above Disconnect the fluid line If the pump starts when the air is turn on then the fluid hose
33. ing piston 37 and nut 6 on the priming rod 32 If necessary push down on the displacement rod 18 to provide sufficient clearance from the intake valve housing 28 11 Tighten the packing nut wet cup 21 just enough to prevent leakage no tighter 12 Check the alignment of the displacement rod 18 by inserting a size E 0 254 in diameter drill shank be tween the packing nut wet cup 21 and the rod If the drill shank cannot be passed freely around the DISPLACEMENT PUMP 204 644 50 REF NO 2 DISPLACEMENT 41 PUMP INCLUDES 53 ITEMS 3 39 56 66 9 45 52 es 13 14 16 rod tighten the tie bolt 8 on the side which is bind ing Screw the connecting rod 53 into the upper cap 33 Insert the cotter pin 42 and tighten the locknut 45 Align the pump outlet on the outlet housing 26 with the optional outlet at the base of the air motor 1 Loosely screw the tie rod locknuts 44 onto the tie rods 52 Lubricate the o ring 47 and the top thread of the connecting rod 53 Tighten the cou pling nut 50 to attach the displacement pump to the motor Insert the cotter pin 41 Start the pump and run it slowly to check for binding Adjust the tie rods as necessary then torque the locknuts 44 to 40 50 ft lb 54 68 N m Reconnect the fluid and air lines Reconnect the ground wire if it was disconnected during service DETAIL A 21 REF LIPS OF V PACKINGS MUST F
34. ll the plate guide 31 plate 36 priming piston 37 and nut 6 on the priming rod 62 If necessary push down on the displacement rod 60 to provide sufficient clearance from the intake valve housing 28 Tighten the packing nut wet cup 21 just enough to prevent leakage no tighter Check the alignment of the displacement rod 60 by inserting a size E 0 254 in diameter drill shank be tween the packing nut wet cup 21 and the rod If the drill shank cannot be passed freely around the rod tighten the tie bolt 8 on the side which is bind ing Screw the connecting rod 53 into the top of the dis placement rod 60 Insert the cotter pin 42 and tighten the locknut 45 Align the pump outlet on the outlet housing 26 with the optional outlet at the base of the air motor 1 Loosely screw the tie rod locknuts 44 onto the tie rods 52 Lubricate the o ring 47 and the top thread of the connecting rod 53 Tlghten the cou pling nut 50 to attach the displacement pump to the motor Insert the cotter pin 41 Start the pump and run it slowly to check for binding Adjust the tie rods as necessary then torque the locknuts 44 to 40 50 ft lb 54 68 N m lines Reconnect the ground wire if it was disconnected during service DISPLACEMENT PUMP 222 638 REF NO 2 DISPLACEMENT PUMP INCLUDES ITEMS 3 38 56 66 50 41 T ES 45 60 Ne 2 1 66 26 TORQUE TO 60 ft I
35. o will for a period of twelve months from the date of sale repair or replace any part of the equipment proven 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 any malfunction damage or wear caused by faulty installation misapplication abrasion corrosion inadequate or improper maintenance negligence accident tam pering or substitution of non Graco component parts Nor shall Graco be liable for malfunction damage or wear caused by the incompatibility with Graco equipment of 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 claim 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 DISCLAIMERS AND LIMITATIONS THE TERMS OF THIS WARRANTY
36. of the spray dis quired in your system having a container ready to catch pensing system when installing cleaning or changing spray the drainage tips nozzles and whenever you stop spraying dispensing Engage the gun valve safety latch Leave the drain valve open until you are ready to use the System again Shut off the air to the pump Close the bleed type master air valve required in your If you suspect that the spray tip nozzle or hose is completely system clogged or that pressure has not been fully relieved after fol Disengage the safety latch lowing the steps above VERY SLOWLY loosen the tip guard Hold a metal part of the gun valve firmly to the side of a retaining nut nozzle or hose end coupling and relieve pres grounded metal pail and trigger the gun valve to relieve sure gradually then loosen completely Now clear the tip noz pressure zle or hose NOTE Check everything in the troubleshooting guide below before disassembling the pump PROBLEM CAUSE SOLUTION Pump fails to operate Exhausted fluid supply Refill and reprime or flush Restricted line or inadequate air supply Clear see TECHNICAL DATA on back cover Insufficient air pressure closed or clogged air Open clear valves etc Obstructed fluid hose or gun valve Clear Fluid dried on the displacement rod Clean See SERVICE Dirty or worn air motor parts Clean service See air motor manual supplied Pump operates but output Exhausted fluid supply Ref
37. onnecta grounded fluid supply hose L Be tween the fluid supply hose L and the gun dispensing valve K install a whip hose M for greater flexibility NOTE To use the optional fluid outlet at the base of the air motor connect a riser tube between the stan dard outlet and the optional outlet GROUNDING WARNING Before operating the pump ground the system as explained under FIRE OR EXPLOSION HAZARD and Grounding on page 3 OPERATION WARNING Pressure Relief Procedure To reduce the risk of serious bodily injury including fluid injection splashing in the eyes or on the skin or injury from moving parts always follow this pro cedure whenever you shut of f the pump when checking or servicing any part of the spray dis pensing system when installing cleaning or changing spray tips nozzles and whenever you stop spraying dispensing Engage the gun valve safety latch Shut off the air to the pump Close the bleed type master air valve re quired in your system Disengage the gun valve safety latch 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 Engage the gun valve safety latch Open the drain valve and or the pump bleeder valve required in your system having a con tainer ready to catch the drainage Leave the drain valve open until you are ready to dispense again If you suspect that the spray
38. or gun valve is obstructed 306 646 7 DISPLACEMENT PUMP SERVICE WARNING Moving parts can pinch or amputate your fingers or other body parts When the pump is operating the priming piston located at the pump intake and the air motor piston located behind the air motor shield move Therefore NEVER operate the pump with the air motor shield removed and keep your fingers and hands away from the priming piston Before attempting to clear an obstruction from the priming piston or service the pump follow the Pres sure Relief Procedure Warning on page 7 to pre vent the pump from starting accidentally You Start All Models Repair Kit 220 861 is available See pages 13 and 15 For the best results use all the new parts in the kit even if the old ones look good Repair kit parts are indicated in the text and the parts list with an asterisk for example 27 To reduce down time keep spare parts on hand Recommended spare parts are indicated in the parts list with a double asterisk for example 41 The gland packing stacks 64 65 are preas sembled Do not disassemble the stacks when in stalling them in the pump For air motor service and parts information refer to manual 307 049 for motor Model 208 356 manual 306 968 for motor Model 206 647 manual 307 304 for motor Model 215 255 or manual 307 741 for motor Model 220 106 If possible flush the pump before service with a com
39. pray system Check the electrical resistance of your air and fluid hoses at least once a week If your hose does not have a tag on it which speci fies the maximum electrical resistance contact the hose supplier or manufacturer for the maximum resistance limits Use a resistance meter in the appropriate range for your hose to check the resistance If the resis tance exceeds the recommended limits replace it immediately An un grounded or poorly grounded hose can make your system hazardous Also read FIRE OR EXPLOSION HAZARD below Grounding To reduce the risk of static sparking ground the pump object being sprayed and all other spray dispensing equipment 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 use a ground wire and clamp See Fig 1 2 Air hoses use only grounded air hoses 3 Fluid hoses use only grounded fluid hoses 4 Air compressor follow manufacturer s recommendations 5 Spray gun dispensing valve grounding is obtained through con nection to a properly grounded fluid hose and pump Fluid supply container according to your local code Object being sprayed according to your local code 8 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 t
40. roit Los Angeles West Caldwell N J Subsidiary and Affiliate Companies Canada England Switzerland France Germany Hong Kong Japan GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 PRINTED IN U S A 306 646 12 58 Revised 10 90 20 306 646
41. ruptured components can inject fluid through your skin and into your body and cause extremely serious bodily injury including the need for amputation Also fluid injected or splashed into the eyes or on the skin can cause serious damage NEVER point the gun valve at anyone or at any part of the body NEVER put hand or fingers over the spray tip nozzle or over the bleeder valve hole ALWAYS follow the Pressure Relief Procedure right before cleaning or removing the spray tip nozzle or servicing any system equipment NEVER try to stop or deflect leaks with your hand or body Be sure equipment safety devices are operating properly before each use Medical Alert Airless Spray Wounds If any fluid appears to penetrate your skin get EMERGENCY MEDICAL CARE AT ONCE DO NOT TREAT AS A SIMPLE CUT Tell the doctor exactly what fluid was injected Note to Physician njection in the skin is a traumatic injury It is im portant to treat the injury surgically as soon as possible Do not delay treatment to research toxicity Toxicity is a concern with some ex otic coatings injected directly into the blood stream Consultation with a plastic surgeon or reconstructive hand surgeon may be advisable Spray Gun Dispensing Valve Safety Devices Be sure all gun valve safety devices are operating properly before each use Do not remove or modify any part of the gun valve this can cause a malfunction and result in serious bodily injury Safety Latch
42. ur system See EQUIPMENT MISUSE HAZARD System Pressure on page 3 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 acceler ates 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 the 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 NOTE A pump runaway valve F can be installed on the air line to automatically shut off the pump if it starts to run too fast 306 646 5 MAINTENANCE Shutdown and Care of the Pump Always follow the Pressure Relief Procedure Warning on page 7 whenever you shut of f the pump Stop the pump at the bottom of its stroke to keep fluid from drying on the exposed displacement rod and damaging the throat packings Every 40 hours of operation check that the packing nut wet cup 21 is tight Follow the Pressure Relief Proce dure Warning on page 7 first Tighten just snug do not overtighten or the packings may be damaged Always flush the pump before the fluid dries in the pump and hoses If the pump is to be stored for any period of time and you are pumping water based fluid first flush the pump with water then with mineral spirits to protect the pump parts Flushing To reduce the risk o
43. y placing your fingers or any part of your body close to the spray tip Spray Tip Nozzle Safety Use extreme caution when cleaning or changing spray tips nozzles If the spray tip nozzle clogs while spraying dispensing engage the gun valve safety latch immediately ALWAYS follow the Pressure Relief Proce dure and then remove the spray tip nozzle to clean it NEVER wipe off build up around the spray tip nozzle until pressure is fully relieved and the gun valve safety latch is engaged Pressure Relief Procedure To reduce the risk of serious bodily injury including fluid injection splashing in the eyes or on the skin or injury from moving parts always follow this procedure whenever you shut of f the pump when checking or servicing any part of the spray dispensing sys tem when installing cleaning or changing spray tips nozzles and whenever you stop spraying dispensing Engage the gun valve safety latch Shut off the air to the pump Close the bleed type master air valve required in your sys tem Disengage the safety latch Hold a metal part of the gun valve firmly to the side of a grounded metal pail and trigger the gun valve to relieve pres sure Engage the gun valve safety latch Open the drain valve and or the pump bleeder valve required in your system having a container ready to catch the drain age Leave the drain valve open until you are ready to spray dis pense again If you suspect that the spray
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