Graco Inc. 2510 Pressure Washer User Manual
Contents
1. 3 Trigger the gun until water sprays from the tip indicating that the air is purged from the system 4 Start the unit 5 ALWAYS engage the gun s trigger safety latch whenever you stop spraying even for a moment to reduce the risk of fluid injection or splashing in the eyes or on the skin if the gun is bumped or triggered accidentally 6 308 535 6 ALWAYS observe the following CAUTIONS to avoid costly damage to the pressure washer CAUTION DO NOT allow the pressure washer to idle for more than 10 minutes Doing so may cause the recirculating water to overheat and seriously damage the pump Tum off the pressure washer if it will not be spraying or cleaning at least every 10 minutes If heated inlet water is used reduce this time further DO NOT run the pump dry which will quickly damage the pump Be sure the water supply is fully tumed on before starting the pump DO NOT pump caustic materials such materials may corrode the pump components 7 See the chemical injector or sandblaster kit manual for detailed cleaning information if these accessories are used Trigger Safety Latch WARNING To reduce the risk of serious bodily injury including fluid injection splashing in the eyes or on the skin ALWAYS engage the trigger safety latch whenever spraying stops even for a moment A w In the engaged position the trigger safety latch prevents the gun from being trig2. INSTRUCTIONS PARTS LIST 308 535 RevA GRACO This manual contains IMPORTANT WARNINGS and INSTRUCTIONS READ AND RETAIN FOR REFERENCE HYDRA CLEAN 2510 3009 Pressure Washers HYDRA CLEAN 2510 P N 800 901 Series A 2500 psi 172 bar OPERATING PRESSURE 2900 psi 200 bar MAXIMUM WORKING PRESSURE HYDRA CLEAN 3009 P N 800 900 Series A 3000 psi 207 bar OPERATING PRESSURE 3400 psi 234 bar MAXIMUM WORKING PRESSURE Water supply tank gun amp wand assembly hose assembly and motor starter are not included GRACO INC PO Box 1441 MINNEAPOLIS MN 55440 1441 COPYRIGHT 1991 GRACO INC WARNING HIGH PRESSURE SPRAY CAN CAUSE SERIOUS INJURY FOR PROFESSIONAL USE ONLY OBSERVE ALL WARNINGS Read and understand all instruction manuals before operating equipment FLUID INJECTION HAZARD General Safety This pressure washer generates very high fluid pressure Spray from the gun leaks or 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 spray gun or wand at anyone or at any part of the body NEVER put hand or fingers over the spray tip ALWAYS follow the Pressure Relief Procedure before cleaning or servicing any part of the sprayer NEVER try to stop or deflect teaks with your hand or body Be
3. e S ma m a mk us ma ma QD a DESCRIPTION COVER Crankcase SCREW Cap socket hd GASKET Cover SEAL Oil CRANKSHAFT RNA Connecting rod KI WASHER Flat GUIDE Piston COVER Crankcase GASKET Cover WASHER Lock SCREW Cap socket hd BUSHING a SEAL Oil WASHER Flinger PLUNGER Ceramic O RING RETAINER O ring RING Intermediate PACKING RING Head RING Backup O RING SCREW Piston CAP WASHER Flat CAP WASHER Flat RING Long life OD aAa 155 BR R ONOMU OANA 31 802 357 RING Snap Repair Kit Part No Description Qty PLATE Valve SPRING GUIDE Valve 801 474 WASHER Flat Plunger 48 WASHER Flinger Repair RING Backup 801 472 4 O RING Valve 9 VALVE ASSEMBLY O RING SEAT Valve 802 306 10 O RING Valve Cap 11 CAP 39 SCREW Piston 801 770 Packing amp Retainer RETAINER O ring RING Intermediate PACKING RING Head RING Long life 308 535 13 PARTS LIST 803 814 Pump Assembly 3000 psi REF PART REF PART NO NO DESCRIPTION QTY NO NO DESCRIPTION QTY 1 801 781 MANIFOLD 2 32 803 418 COVER Crankcase 1 2 801 468 SCREW Cap hex hd 16 33 803 283 SCREW Cap socket hd 4 3 801 469 WASHER Lock 16 34 803 420 GASKET Cover 1 4 Kit 1 O RING 35 803 428 SEAL Oil 1 5 Kit 1 SEAT Valve 36 803 415 CRANKSHAFT 1 6 Kit 1 PLATE Valve 37 803 426 RING Connecting rod 6 7 Kit 1 SPRING Valve 38 803 432 KEY 1
4. 5 Thoroughly clean the packing cavities and examine for debris and damage 6 Lightly grease the packing cavities and then replace the packings in the following order head ring v packing intermediate ring head ring v packing and packing retainer with the o ring installed in the retainer groove CAUTION Install the parts in the proper order and facing the correct direction Improperly installed parts will cause a malfunction 7 Reassemble the manifold as instructed in Servicing the Plungers BACKFLOW PREVENTOR 801 133 Prevent back up of contaminated water into fresh supply Install upstream of pump GUN amp WAND ASSEMBLY 800 392 includes 803 350 spray gun 32 spray wand and quick couplers for hose and spray tip connections 800 398 Includes 803 350 spray gun 32 spray wand quick coupler for hose connection and adjustable nozzle 800 398 Includes 803 222 stainless steel spray gun 32 stainless steel spray wand and stainless steel threaded connections for hose and spray tip 308 535 17 TECHNICAL DATA Model 800 901 Model 800 900 Motor totally enclosed fan cooled 20 HP 3 phase 20 HP 3 phase uns 460 volt 25 amp 3 phase 460 volt 25 amp 3 phase Water Pump Maxam Working Pressure Water Pump Maximum Flow 10 gpm 38 Ipm inlet Hose Connection 3 4 NPT Weigh Dimensions Length 48 1219 mm 48 1219 mm Width 30 762 mm 30 762 mm Height 25 635 mm 25 635 mm
5. 8 Kit 1 GUIDE Valve 39 Kit 6 WASHER Flat 9 Kit 1 VALVE ASSEMBLY 40 803 417 GUIDE Piston 6 10 Kit 4 O RING 41 803 425 COVER Crankcase 1 11 Kit 4 CAP 42 803 422 GASKET Cover 1 12 803 419 COVER Crankcase 1 44 802 304 WASHER Lock 4 13 803 273 SCREW Cap socket hd 32 45 803 438 SCREW Cap socket hd 4 14 803 424 GASKET Cover 1 46 803 431 BUSHING 6 15 803 433 BEARING Tapered roller 1 47 Kit24 SEAL Oil 16 803 423 GASKET Cover 1 48 Kit 6 WASHER Flinger 6 17 803 421 COVER Crankcase 1 49 801 490 PLUNGER Ceramic 6 18 802 793 CAP t 50 Kit28 O RING 19 801 488 O RING 1 51 Kit 28 RETAINER O ring 20 801 782 DIPSTICK 1 52 Kit 28 RING Intermediate 21 803 414 CRANKCASE 1 53 Kit 28 or PACKING 22 803 429 O RING 4 12 23 803 430 O RING 4 54 Kit 28 RING Head 24 802 345 GAUGE Sight 1 55 Kit 6 RING Backup 25 803 437 SCREW Cap socket hd 6 56 Kit 6 O RING 26 803 435 WASHER Lock 6 57 Kit 6 SCREW Piston 27 803 427 YOKE Crankshaft 6 58 801 482 CAP 4 28 803 416 ROD Connecting 3 59 801 483 WASHER Flat 4 29 803 436 PIN Wrist 6 60 801 484 CAP 3 30 803 434 BEARING Ball 1 61 801 485 WASHER Flat 3 31 802 357 RING Snap 1 62 Kit28 RING Long life VALVE ASSEMBLY 802 306 O RING Valve Cap CAP WASHER Flat WASHER Flinger RING Backup O RING SCREW Piston 801 486 PACKING Packing 801 779 47 SEAL Oil Oil Seal 801 487 O RING Packing amp RETAINER O ring Retainer RING 801 474 3 Plunger 48 Repair 5 5 5 80
6. NOTE If you plan to replace the packings refer to Servicing the V Packings 7 Lubricate the outside of each plunger Slide the manifold onto the crankcase being careful not to damage the seals 8 Install the capscrews and washers finger tight Torque the screws to 21 7 ft Ib 29 Nm following the tightening pattern Figure 4 Uneven tightening may cause the manifold to bind or jam Figure 4 Servicing the V Packings NOTE There are two types of packing kits one is packings only the other includes the packings rings and retainers 1 Remove the manifold as outlined in the Pumping Section 2 Carefully pull the packing retainer from the manifold Examine the o ring and replace it if it is cut or damaged 3 Remove the v packing and head ring Pull out the intermediate retainer ring Remove the second v packing and second head ring 4 Inspect all parts and replace as necessary ACCESSORIES Must be purchased separately DOWNSTREAM CHEMICAL INJECTOR KIT 800 117 BRASS UP TO 5 5 GPM 21 LPM 800 425 BRASS 5 6 TO 10 8 GPM 21 TO 41 LPM 800 649 STAINLESS STEEL UP TO 5 5 GPM 21 LPM For injecting harsh cleaning chemicals downstream from the pump INLET PRESSURE REGULATOR 800 258 Regulates inlet water pressure to 60 psi 4 bar maximum HOSE ASSEMBLY WITH QUICK COUPLERS 800 375 3 8 diameter x 50 foot x 4000 psi 276 bar permanently coupled hose with 801 568 and 801 569 3 8 quick couplers
7. high pressure hose Water leakage from j Worn packings Install new packings See PUMP SERVICE under pump manifold Change oil as specified in MAINTENANCE Install new packings See PUMP SERVICE Install new oil seals See PUMP SERVICE Install new plungers See PUMP SERVICE Install proper filtration on pump intet plumbing Check water temperature may not exceed 160 F Do not modify any factory set adjustments See EQUIPMENT MISUSE HAZARD cost or replace tip See Installing and Changing Spray ps Never run pump more than 10 minutes without spraying Do not run pump without water Water in pump Humid air condensing inside crankcase Worn packings Oil seals leaking Scored damaged or worn plungers Abrasive material in the fluid being pumped inlet water temperature too high Overpressurizing pump Frequent or premature failure of the packings Excessive pressure due to partially plugged or damaged tip Pump running too iong without spraying Running pump dry Strong surging at the Foreign particles in the inlet or discharge Clean or replace valves See PUMP SERVICE inlet and low pressure valve or worn inlet and or discharge valves on the discharge side Unit will not start Unit not plugged in Check power cord Electrical service off GFCI activated Check fuse circuit breaker Check for proper Thermal overload has tripped grounding Press reset button on
8. maintenance See the maintenance chart Interval What to do Clean water inlet screen and filter Check pump oil tevel Fill as necessary After first 50 hours of operation Each 500 hours of operation or 6 months Change pump break in oil Use SAE 20 or 30 non detergent oil Change pump oil Use SAE 20 or 30 non detergent oil TROUBLESHOOTING CHART WARNING 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 the Pressure Rellef Procedure Warning before proceeding PROBLEM CAUSE sonon S Oe Low pressure and or Worn or wrong size tip Replace with tip of proper size Pump runs rough Inlet filter clogged Clean Check more frequently Worn packings abrasives in water or Check filter Replace packings See PUMP SERVICE natural wear Inadequate water supply Check water flow rate to pump Unit must have a am 55 gallon float valve controlled water holding tank Tighten or replace en inlet and discharge valve assemblies Check ilter Belt slippage Fouled or dirty inlet or discharge valves Even a small particle can cause the valve to stick Restricted inlet Worn inlet or discharge valves Check garden hose may be collapsed or kinked Replace wom valves Leaking high pressure hose Replace
9. motor for 1 phase units Press stop button on the motor starter for 3 phase units 308 535 9 PARTS DRAWING 800 900 Hydra Ciean 3009 Pressure Washer 800 901 Hydra Clean 2510 Pressure Washer 10 308 535 PARTS DRAWING 800 900 Hydra Clean 3009 Pressure Washer 800 901 Hydra Clean 2510 Pressure Washer REF PART NO NO 1 800 643 2 803 788 3 801 941 4 100 214 5 100 023 6 801 817 7 804 340 8 802 784 9 803 591 10 100 321 11 803 799 803 798 12 801 823 13 803 809 14 803 806 15 803 796 16 803 814 803 790 17 803 517 18 802 084 19 801 787 DESCRIPTION CHASSIS BELT GUARD SCREW Cap hex hd 5 16 18 x 1 WASHER Lock 5 16 WASHER Flat 5 16 MOTOR 20 hp TEFC 3 phase SCREW Cap hex hd 1 2 13 x 2 WASHER Lock 1 2 WASHER Flat 1 2 NUT Hex 1 2 13 SHEAVE Motor for 800 900 only SHEAVE Motor for 800 901 only HUB Motor BELT Drive HUB Pump SHEAVE Pump PUMP 9 GPM for 800 900 only See page 15 PUMP 10 GPM for 800 901 only See page 12 LABEL Keep From Freezing NIPPLE 3 4 x 2 TEE 3 4 20 hp Wiring Diagram 230 Volt 3 Phase QTY 1 1 OO wah _ N mh 3 NOs ak z and PART NO 802 096 803 141 802 534 803 872 155 665 803 396 DESCRIPTION BUSHING Hex 1 2 x 3 4 HOSE Bypass NIPPLE Hex 1 2 NPSM x 1 2 NPT LABEL Graco G SWIVEL 3 8 NPSM x 3 8 NPT LABEL Warning 803 790 CAP 800 720 800 721 803 791 159 23
10. result in serious bodily injury SAFETY LATCH Whenever you stop spraying for a moment always set the gun safety latch in the engaged or safe position making the gun inoperative Failure to properly set the safety latch can result in accidental triggering of the gun SPRAY TIP SAFETY Use extreme caution when Cleaning or changing spray tips If a spray tip clogs while spraying engage the gun safety latch immediately ALWAYS follow the Pressure Relief Procedure and then remove the spray tip to clean it GROUNDING INSTRUCTIONS This product must be grounded If it should malfunction or break down grounding provides a path of least resistance for electric current to reduce the risk of electric shock This equipment is equipped with a cord having an equipment grounding conductor and a grounding plug The plug must be plugged into an appropriate outlet that is properly installed and grounded in accordance with ali local codes and ordinances GROUND FAULT CIRCUIT INTERRUPTER PROTECTION To comply with the National Electrical Code NFPA 70 and to provide additional protection from the risk of electric shock connect this pressure washer to a circuit that is protected by a ground fault circuit interrupter GFC EQUIPMENT MISUSE HAZARD amp General Safety Any misuse of the pressure washer or accessories such as overpressurizing modifying parts using incompatible chemicals and fluids or using wom or damaged parts can c
11. 0 ft 30 m of high pressure hose may be used Longer hoses may affect sprayer performance and chemical injector performance if used Water supply tank gun amp wand assembly hose assembly and motor starter are not included Install the appropriate spray tip on the wand See Installing and Changing Spray Tips If you are using a sandblaster kit see its separate manual for installation instructions Connect to Water Supply CAUTION Before attaching to the water supply check your local plumbing code regarding cross connection to the water supply A backflow preventer P N 801 133 is available to prevent backflow of contaminated water into the fresh water supply Instail it upstream from the pump install a regulating water valve P N 800 258 if inlet water pressure is over 60 psi 4 1 bar Do not exceed 160 F 70 C inlet water temperature NOTE The water source for the unit must have a minimum 55 gallon float valve controlled water holding tank 308 535 5 STARTUP Use this procedure whenever starting the pressure washer to help insure that the unit is ready to operate and starting is done safely 1 Check the oil level Pump Add SAE 20 or 30 weight non detergent oil as necessary 2 Tum on the water supply CAUTION Never run the unit dry Costly damage to the pump will result Always be sure the water supply is completely tumed on before operating
12. 1 472 4 O RING Valve 5 SEAT Valve 6 PLATE Valve j 7 SPRING 8 GUIDE Valve 9 9 5 6 7 Intermediate PACKING RING Head RING Long life 308 535 15 PUMP SERVICE WARNING 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 the Pressure Relief Procedure Warning before proceeding NOTE The following metric wrenches are needed M10 M13 and M30 Repair kits are available Refer to the individual repair sections and the pump parts page for more details For the best results use all parts in the kits NOTE There are two different tool kits to aid in servicing the pump P N 800 298 is used to ease installation of packings P N 800 271 includes the items in 800 298 and tools to aid in the removal of packing retainers Valves NOTE Fora set of six valves order P N 801 472 1 Remove the hex plug from the manifold using an M30 wrench 2 Examine the o ring under the hex plug and replace it if it is Cut or distorted 3 Remove the valve assembly from the cavity the assembly may come apart 4 install the new valve Install the o ring and hex plug torque to 75 ft 1b 103 Nm NOTE Retorque the plug after 5 hours of operation Pumping Section 1 Remove the eight capscrews and lockwashers from the manifold using an M13 wrench 2 Carefully separate the manifold from the crankcase NOTE it may be n
13. 9 803 787 803 781 176 250 800 642 803 817 100 307 100 133 100 132 802 845 172 981 1 2 UNLOADER 3000 PSI for 800 900 oniy UNLOADER 2500 PSI for 800 901 only CAP 3 4 NIPPLE Hex 1 2 x 3 8 BRACKET Pump SUPPORT Pump Bracket LABEL Waming chassis BRACKET Rail Stiffene BOLT Eye NUT Hex 3 8 16 WASHER Lock 3 8 WASHER Fiat 3 8 FOOT Rubber LABEL Warming chassis KEY Square 3 8 x 2 1 2 20 hp Wiring Diagram 460 Volt 3 Phase QTY xi amd wed xx xd mak mak _ gt O N IO ND mk mk N mk mk w 308 535 11 801 790 Pump Assembly 2500 psi PARTS DRAWING 12 308 535 PARTS LIST 801 790 Pump Assembly 2500 psi REF PART NO DESCRIPTION QTY 801 781 MANIFOLD 2 801 468 SCREW Cap hex hd 16 801 469 WASHER Lock 16 Kit 1 SEAT Valve Kit 1 PLATE Valve Kit 1 SPRING Valve Kit 1 GUIDE Vaive Kit 1 VALVE ASSEMBLY 10 Kit 4 O RING 11 Kit 4 CAP 12 803 419 COVER Crankcase 13 803 273 SCREW Cap socket nd 14 803 424 GASKET Cover 15 803 433 BEARING Tapered roller 16 803 423 GASKET Cover 17 803 421 COVER Crankcase 18 802 793 CAP 19 801 488 O RING 20 801 782 DIPSTICK 21 803 414 CRANKCASE 22 803 429 O RING 23 803 430 O RING 24 802 345 GAUGE Sight 25 803 437 SCREW Cap socket hd 26 803 435 WASHER Lock 27 803 427 YOKE Crankshaft 28 803 416 ROD Connecting 29 803 436 PIN Wrist 30 803 434 BEARING Ball NO 1 2 3 4 Kit 1 O RING 5 6 7 8 9 __ 0 QO 0 0
14. ANTY 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 i 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 information or assistance regarding the application of Graco equipment 1 800 543 0339 Toll Free Factory Branches Atlanta Chicago Dallas Detroit Los Angeles West Caldwell N J Subsidiary and Affillate Companies Canada England Switzerland France Germany Hong Kong Japan Korea GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 PRINTED IN U S A 308 535 4 91
15. Maximum Inlet Water Temperature 160 F 70 C 160 F 70 C Wetted Parts High Pressure Hose Acrylonitrile and Buna N cover and tube Bypass Hose Synthetic yam and EPDM Pressure Washer including fittings Anodized aluminum Aluminum or bronze alloys Brass Copper Nylon PT FE composite Ceramic Buna N Cotton nhanotic 303 304 and 316 Stainiess steel Polymide 12 thermoplastic TP T F E arbon steel Zinc with or without yellow chromate plate PTFE s a registered trademark of the DuPont Company 18 308 535 THE GRACO WARRANTY WARRANTY AND DISCLAIMERS Graco warrants all equipment manufactured by ft 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 As purchaser s sole remedy for breach of this warranty Graco will for a period of twenty four months from date of sale repair or repiace 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 k 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 tampering or substitution of non Graco component parts Nor shall Graco be liable for matfunction damage or wear caused by the incomp
16. atibility with Grace equipment of structures accessories equipment or materials not supplied by Graco or the improper design manufacture installation operation ar maintenance of structures accessories equipment or materials not supplied by Graco This warranty is conditioned upon the prepaid retum of the equipment claimed to be defective for examination by Graco to verify 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 DISCLAIMERS AND LIMITATIONS THE TERMS OF THIS WARRANTY CONSTITUTE THE PURCHASER S SOLE AND EXCLUSIVE REMEDY AND ARE IN LIEU OF ANY OTHER WARRANTIES 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 THREE 3 YEARS OF THE DATE OF SALE EQUIPMENT NOT COVERED BY GRACO WARR
17. ause them to rupture and resuit in fluid injection splashing in the eyes or on the skin or other serious bodily injury fire explosion or property damage NEVER alter or modify any part of this equipment doing so could cause it to malfunction CHECK all spray equipment regularly and repair or replace wom or damaged parts immediately ALWAYS wear protective eyewear and appropriate clothing If using a chemical injector read and follow the chemical manufacturer s literature for recommendations on additional protective equipment such as a respirator DANGER Improper connection of the equipment grounding conductor can result in the risk of electrocution Check with a qualified electrician or service person if you are in doubt as to whether the outlet is properly grounded System Pressure This sprayer can develop high operating pressure Be sure that all spray equipment and accessories are rated to withstand the maximum working pressure of this sprayer DO NOT exceed the maximum working pressure of any component or accessory used in the system Chemical Compatibility BE SURE that all chemicals used in the chemical injector are compatible with the wetted parts of the hose gun wand and tip as given in the Technical Data inside back cover Always read the chemical manufacturer s literature before using any chernical in this pressure washer 308 535 3 HOSE SAFETY High pressure fluid in the hoses can
18. be very dangerous if the hose develops 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 MUST HAVE STRAIN RELIEFS ON BOTH ENDS The strain reliefs help protect the hose from kinks or bends at or Close to the coupling which can result 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 MOVING PARTS HAZARD Moving parts can pinch or amputate fingers or other body parts KEEP CLEAR of moving parts when starting or operating the pressure washer NEVER operate the pressure washer without all guards and interlocks installed and functioning Follow the TERMS WARNING or DANGER Alerts user to avoid or correct conditions that could cause bodity injury CAUTION Alerts user to avoid or correct conditions that could cause damage to the equipment NEVER use a damaged hose Before each use check 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 contain the high pressure fluid HANDLE AND ROUTE HOSES CAREFULLY Do not pull on
19. ecessary to tap the manifold lightly with a soft mallet to loosen CAUTION Keep the manifold properly aligned with the ceramic plungers when removing to avoid damage to the plunger or seals 3 Carefully examine each plunger for any scoring or cracking and replace as necessary 16 308 535 Servicing the Plungers NOTE Plunger repair kit P N 801 474 is available to replace retainers o rings washers and backup rings for three cylinders 1 Loosen the plunger retaining screw five to six tums using an M10 wrench Push the plunger towards the crankcase to separate the plunger and retaining screw 2 Remove the screw from the plunger and examine the o ring backup ring and copper bearing gasket washer Replace these parts if necessary using kit 801 474 3 Remove the plunger and flinger from the plunger shaft Ciean examine and replace parts as necessary 4 Inspect the plunger shaft for oil leakage from the crankcase If leaking is obvious replace the oil seals Otherwise DO NOT remove these seals as they cannot be reused An oil seal kit is available to replace the seals 5 Lightly grease the flinger and oit seal if it is being replaced and replace them on the plunger shaft Then install the plunger 6 Lightly grease the retaining screw and the outer end of the plunger Place the washer o ring and backup ring around the screw and instali the screw through the plunger Torque to 14 4 ft Ib 19 5 Nm
20. gered accidentally by hand or if it is dropped or bumped Be sure the latch is pushed fully down when engaging it or it cannot prevent the gun from being triggered See Figure 2 TRIGGER SAFETY LATCH SHOWN DISENGAGED Figure 2 Installing and Changing Spray Tips WARNING To reduce the risk of serious badily injury including fluid injection or splashing in the eyes or onto the skin use extreme caution when changing spray tips ALWAYS follow the procedure below 1 Follow the Pressure Relief Procedure 2 Point the gun and wand away from yourself and anyone else 3 Without holding your hand over the spray tip A pull back the quick coupler ring B remove the tip and then release the ring See Figure 3 4 Be sure the tip is secure before starting to spray again _5 Tip holding holes are provided on the chassis CAUTION To avoid blowing the o ring out of the quick coupler due to the high pressure in the system never operate the pressure washer without a tip securely mounted in the quick coupler Figure 3 308 535 7 SHUTDOWN FLUSHING AND STORAGE WARNING PRESSURE RELIEF PROCEDURE To reduce the risk of serious bodily injury including fluid injection and splashing in the eyes or on the skin always follow this procedure whenever you stop spraying for more than 10 minutes when shutting down and before checking or repairing any part of the system 1 Engage the tr
21. hoses to move the pressure washer Do not use chemicais which are not compatible with the inner tube and cover of the hose DO NOT expose Graco hose to temperatures above 200 F 93 C or below 40 F 40 C Pressure Rellef Procedure before checking or servicing the pressure washer to prevent discharging high pressure fluid from the gun NOTE Identifies helpful procedures and information IMPORTANT United States Government safety standards have been adopted under the Occupational Safety and Heaith Act These standards particularly the General Standards Part 1910 and the Construction Standards Part 1926 should be consulted 4 308 535 INSTALLATION PUMP PUMP OIL DIPSTICK LEVEL INDICATOR HIGH WINDOW PRESSURE HOSE CONNECTION 1 2 NPT f WATER CONNECTION 3 4 NPT f Figure 1 Check for Shipping Damage Check the unit for any damage that may have occurred in shipping Notify the carrier immediately if there is any damage Set Up Before connecting the unit be sure the electrical service matches the specification in Technical Data inside back cover and the voltage label on the unit With the unit off connect the power supply cord to a grounded GFCl protected circuit If you are using a downstream chemical injector install it between the pump unloader and the high pressure hose Connect the high pressure hose between the pump outlet and the gun inlet CAUTION Up to 10
22. igger safety latch Tum the sprayer off 2 3 Disconnect the electrical supply 4 Shut off the water supply 5 Disengage the trigger safety latch and trigger the gun to relieve pressure and then engage the trigger safety latch again 6 Before long term ovemight storage disconnect the water supply and disconnect the electricity MAINTENANCE Observing regular maintenance intervals helps ensure that you get maximum performance and life from the pressure washer There is a break in period for the pump After changing the oil initially the interval between required changes is longer WARNING 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 the Pressure Relief Procedure Warning before proceeding 8 308 535 1 If the pressure washer will be exposed to freezing temperatures drain all water out of the pump If it must be stored in freezing temperatures flush the unit with a 50 anti freeze solution Relieve pressure Flush the pressure washer before using it again to remove the anti freeze CAUTION lf water does freeze in the pressure washer thaw it in a warm room before trying to start it DO NOT pour hot water on or into the pump it may crack the ceramic plungers 2 After each use wipe all surfaces of the pressure washer with a clean damp cloth 3 Perform the appropriate
23. sure equipment safety devices are operating properly before each use Medical Treatment If any fluid appears to penetrate your skin get EMERGENCY MEDICAL TREATMENT AT ONCE DO NOT TREAT AS A SIMPLE CUT Teil the doctor exactly what fluid was injected NOTE TO PHYSICIAN injection in the skin is a traumatic injury it is Important to treat the Injury surgically as soon as possible Do not delay treatment to research toxicity Toxicity is a concern with some exotic coatings injected directly into the bloodstream Consultation with a plastic surgeon or reconstructive hand surgeon may be advisable 2 308 535 Pressure Relief Procedure To reduce the risk of serious bodily injury including fluid injection and splashing in the eyes or on the skin always follow this procedure whenever you stop spraying for more than 10 minutes when shutting down and before checking or repairing any part of the system 1 Engage the trigger safety latch Tum the sprayer off 2 3 Disconnect the electrical supply 4 Shut off the water supply 5 Disengage the trigger safety latch and trigger the gun to relieve pressure and then engage the trigger safety latch again 6 Before long term ovemight storage disconnect the water supply and disconnect the electricity Spray Gun Safety Devices Be sure all gun safety devices are operating properly before each use Do not remove or modify any part of the gun this can cause a malfunction and
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