Graco Inc. 3245 Pressure Washer User Manual
Contents
1. make adjustments on machinery while it is connected to the engine first remove the ignition cabie from the spark plug Turning over the machinery by hand during adjusting or cleaning might start the engine and machinery causing serious injury to th operator NEVER run the engine with governor disconnected or operate at speeds in excess of 3600 RPM load Precaution is the best insurance against an accident When starting the engine maintain a safe distance from moving parts of the equipment NEVER run the unit with the belt guard removed Keep clear of moving parts when the unit is running Observe detergent manufacturer s safety precautions Avoid getting detergent or other liquids in your eyes Follow the directions on the container regarding contact with eyes nose and skin breathing fumes etc Always wear full goggles to protect your eyes from the spray as well as any debris dislodged by the spray l necessary wear gloves or other protective clothing if antidotes or treatment are recommended be prepared to use them DON T spray toxic chemicals such as insecticide or weed killer IMPORTANT United States Government safety standards have been adopted under the Occupational Safety and Health Act These standards particularly the General Standards Part 1910 and the Construction Standards Part 1926 should be consulted in connection with your use of airless spray equipment 2 801 644 INSTALLATI2. mb h ot A AD DESCRIPTION CAP 1 2 NPT WASHER WASHER NIPPLE hex 3 8 x 1 2 NIPPLE hex 1 2 NPT x 2 ELBOW 1 4 NPT ELBOW 1 4 x 1 2 NPT CROSS 1 2 NPT HOSE ADAPTER HOSE CONN NUT INLET SCREEN HOSE low pressure HOSE tow pressure NIPPLE 3 8 NPT x 3 4 NPT VALVE by pass UNLOADER ASSEMBLY see parts drawing list page 8 QUICK COUPLE male 3 8 TENSIONER belt PUMP of the assembly for 801 644 11 3 ml h mb d h d d d mm mm mm e mo mo ek oo 1 ACCESSORIES Must be purchased separately i amp CHEMICAL INJECTOR KIT 800 117 For injecting harsh cleaning chemicals downstream from pump BACK FLOW PREVENTOR 801 133 Prevent back up of contaminated water into fresh supply Install upstream from pump TECHNICAL DATA ENGINE BRIGGS amp STRATTON 4 cycle two cylinder air cooled 18 hp GASOLINE TANK 3 gallon 11 36 liter capacity WATER PUMP 8200 PS 220 bar max pressure 4 4 GPM 16 5 liter min WETTED PARTS Stainless Steel Aluminum Phenolic Plastic Ceramic Liners Nitrile Rubber UNIT WEIGHT 244 Ib 111 kg OVERALL DIMENSION Length 810 mm Width 710 mm Height 650 mm MAX WATER TEMPERATURE 160 70 C INLET HOSE CONNECTION 3 4 garden hose f THE GRACO WARRANTY Graco Inc warrants all equipment manufactured by it and bearing its name to be free from defects in material and workmanship under normal use and sefvice This warranty extends to the
3. of pumps Reduce pressure aa Running pump dry Do not run pump without water Strong surging at the inlet j Foreign particles in the inlet or Check for smooth lap surfaces on inlet and and low pressure on the discharge valve or worn inlet discharge valve seats Discharge valve seats and discharge side and or discharge valves inlet valve seats may be lapped on a very fine oil o stone 801 644 5 A A i A A KA A A A RN I A e e rh A I A A rR A A O a EY A e A RA deren er APSE AA AA ld Ne ar e A A eh A e A A A A A A ler AL E lar Dr A Pressure Washer Assembly 800 066 ENGINE ASSEMBLY See Parts Dwg List 10 page 7 _ GUN ASSEMBLY See Parts Dwg List 1 PUMP ASSEMBLY page 9 See Parts Dwg List 4 page 11 15 P GAS TANK ASSEMBLY l See Pans Dwg List 33 paga 8 6 801 644 A aama aia na Ps o fla A a o a pl PVC IC MIG a rn a kat Rc a A A IA O cl o dl A a A IA ii AO APEC i A is A A A AA AA a a a is dl A ii A pcg tere PARTS LIST Pressure Washer Assembly 800 066 REF PART NO NO 1 Engine Assembly 800 084 i 800 130 801 640 801 667 800 059 801 616 801 141 801 129 801 543 801 131 800 084 801 546 801 088 801 302 801 517 801 589 801 559 801 547 801 603 801 023 801 015 801 139 801 025 801 568 801 024 801 499 801 020 801 548 801 571 801 004 801 617 801 376 DESCRIPTION GUN ASSEMBLY see parts drawing list pag
4. original purchaser for a period of 12 months from the date of purchase and applies only when the equipment is installed and operated in accordance with written factory recommendations This warranty does not cover damage or wear which in the reasonable judgment of Graco arises from misuse abrasion corrosion negligence accident substitution of non Graco parts faulty installation or tampering This warranty is conditioned upon the prepaid return of the equipment claimed to be defective for examination by Graco to verify the claimed defect tf 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 lf inspection of the equipment does not disclose any defect in workmanship or material repairs will be made ata reasonabie charge and return transportation will be charged THIS LIMITED WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FORA PARTICULAR PURPOSE AND OF ANY NON CONTRACTUAL LIABILITIES INCLUDING PRODUCT LIABILITIES BASED ON NEGLIGENCE OR STRICT LIABILITY EVERY FORM OF LIABILITY FOR DENIED SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS IS EXPRESSLY EXCLUDED AND D EQUIPMENT NOT COVERED BY GRACO WARRANTY Accessories or components of equipment sold by Graco that are not manufactured by Graco such as electric motors switches
5. trying to start A 50 anti freeze solution may be pumped prior to cold weather storage Use only spray tips that are matched to the unit to avoid excessive cycling and wear of the unloader valve See ACCESSORIES CAUTION Let a frozen pump thaw in a warm place Don t pour hot water on a frozen pump A sudden temperature change may crack the ceramic plungers Do not pump caustic materials Before extended storage flush the pump with light oil Avoid dragging hose over an abrasive surface such as cement This causes excessive wear and shorter hose life Clean the intake line strainer daily Lubrication and Care Change the engine ail after every 100 hours of opera tion Drain oil with engine warm Engine requires 3 pints 1 4 liters 30W oil See separate instruction manual for maintenance procedures Fill pump crankcase to dot on oil gauge window with 34 oz 1 0 liters of crankcase oil part no 801 144 or equivalent SAE 40 weight hydraulic oil with anti wear and rust inhibitor additives Change initial fill after 50 hour running period Change oi every 3 months or at 500 hour intervals WARNING NE VER alter adjustment or modify the unloader valve Altering or adjusting unloader w not increase performance of unit Service of the unloader must be performed only by qualified service personnel RALES E IA e DA ppt A ld ls e GS o e il o ll pd ld ad A DAA ap 1 MENS A ee RA 0 Al rc al EAD li RR
6. 7 801 670 HEX PLUG 1 Remove cartridge 5 from housing 6 by using a 8 801 256 TRIGGER PIN 1 19 mm socket wrench 9 801 424 TRIGGER 4 a 10 801 426 LATCH PIN 1 2 Check inside housing to be sure all o rings came 11 801 425 SAFETY LATCH 1 out when cartridge was removed If o ring can be 12 801 672 OUTLET 1 seen inside the housing remove it being careful 13 801 673 PIN COVER 2 not to damage internal threads in housing 14 801 428 ACCESS PIN 1 15 801 419 HANDLE 1 3 Throw away old cartridge and install new cartridge bl sat Bey oat PLATE l using a smail amount of pipe sealant on threads 18 801 423 INLET FITTING 1 Be sure totighten cartridge firmly against housing 19 801 202 O RING quick couple 1 Order parts by name and series letter of the assembly for which you are ordering Recommended tool box spare parts 4 Slide access plate into place and install access pin 801 644 9 SERVICE Pump Refer to Parts Drawing Page 11 NOTE Two sizes of metric wrenches are necessary for servicing the pump M13 and M30 Valves 1 Remove the hex plug 5 from manifoid 6 using M30 wrench 2 Examine o ring 4 under plug and replace if cuts or distortion exist 3 Remove valve unit and o ring 3 from cavity NOTE Valve ann may come apart during removal 4 Replace valve unit with P N 801 472 5 Replace Hex plug and torque to 75 ft tbs 10 3 K m NOTE Hex plug should be r
7. A e lr rd E RE il A lt is er Ni A lhe aaas a a ji RT SERVICE E TROUBLESHOOTING PROBLEM CAUSE SOLUTION Engine Will Not Start No gasoline in fuel tank or Fill the tank with gasoline open fuel shut off Or Hard To Start carburetor valve Check fuel line and carburetor Drain fuel tank and carburetor Use new fuel and dry spark plug Open choke and crank engine several times to clear out the gas Remove and clean Clean adjust the gap or replace Water in gasoline or old fuel Choked improperly Flooded engine Dirty carburetor air filter Spark plug dirty or improper gap Spray gun closed Trigger spray gun Remove and clean Partially plugged air filter Clean adjust the gap or replace Spark plug dirty wrong gap or wrong type Incorrect ignition timing Engine Misses Or Lacks Power Time engine Replace with nozzle of proper size Tighten or replace use correct belts and replace both at same time Disassemble reseal and reassemble Clean and adjust relief valve check for worn and dirty valve seats Kit available Worn nozzle Belt slippage Low Pressure Air leak in inlet plumbing Relief valve stuck partially plugged or improperly adjusted valve seat worn Inlet suction strainer clogged or Clean Use adequate size Check more improper size frequently Worn packing Ab
8. NSTRUCTIONS PARTS LIST This manual contains IMPORTANT WARNINGS and INSTRUCTIONS READ AND RETAIN FOR REFERENCE GRACO 113245 HYDRA CLEA Pressure Washer P N 800 066 SERIES A 3200 psi 220 bar OPERATING PRESSURE 3400 psi 235 bar MAXIMUM WORKING PRESSURE es E Tags GRACO INC P O Box 1441 MINNEAPOLIS MN 55440 1444 COPYRIGHT 1984 GRACO INC KHAN Y pepe ec ry AA rr Ss RB ms a ES a o MS e e etarra ama a aroni a m e A lr 4 a APA A A WARNING HIGH PRESSURE SPRAY CAN CAUSE SERIOUS INJURY FOR PROFESSIONAL USE ONLY OBSERVE ALL WARNINGS Read and understand all instruction manuals before Operating equipment INJECTION HAZARD Rius Fluids under high pressure from spray or leaks can penetrate the skin and cause extremely serious injury including the need for amputation NEVER point the s spray gun at anyone or any part of the body NEVER put hand or fingers over the spray tip NEVER try to stop or deflect leaks with your hand or body ALWAYS have the tip guard in place when spraying MEDICAL TREATMENT ES If any fluid appears to penetrate EMERGENCY MEDICAL CARE AT ONCE DO NOT TREAT AS A SIMPLE CUT Tell the doctor exactly what fluid was injected For treatment instructions have your doctor call the NATIONAL POISON CENTER NETWORK 412 581 6669 AVOID COMEONENT RUPTURE ES Eyen after you shut off the gasoline engine there is high pressure in the pump hose and gun until
9. ON ON OFF SWITCH CHOKE RING FUEL LINE QUICK COUPLE THROTTLE BY PASS VALVE FLUID OUTLET FLUID INLET 3 4 GARDEN HOSE THREAD SPRAY GUN SPRAY HOSE Refer to the engine instruction booklet provided with Connect To Water Supply the unit CAUTION gt Before attaching to water supply check local Install Hose and Spray Gun plumbing code regarding cross connection to Connect the spray hose to the spray gun by inserting water supply the pin at the end of the hose into the quick disconnect coupler on the gun Connect the hose to Do not exceed 160 F 70 C water temperature to the fluid outlet in the same way pump in a direct supply system Connect a hose with at least a 3 4 in 19 mm ID Cleaning Accessories from your city water supply to the unit s 3 4 in For spraying detergent or other cleaning solution we garden hose threaded inlet The supply hose should recommend using a chemical injector kit See not be more than 50 ft 15 m long Accessories and instruction manual 801 645 for installation and operation NOTE For a direct supply system your water source at the unit must have a flow rate of For removing rust and old paint we recommend using AT LEAST 5 GPM 19 LITER MIN a water sandblaster See Accessories and instruction manual 801 646 for installation and operation if your operating conditions are different from above contact our Customer Service Department for assis
10. RIPTION QTY 1 800 044 SLEEVE ASSEMBLY 1 2 801 045 CAGE valve 1 3 801 046 O RING 2 4 801 047 SPRING 1 5 801 048 BALL 1 6 801 049 SEAT 1 7 801 050 O RING 2 8 800 123 UNLOADER SUB ASSEMBLY 1 9 801 059 O RING 1 10 801 412 HOUSING 1 11 801 432 CYLINDER 1 12 801 062 O RING 1 13 801 063 PLUG 2 14 801 068 HOUSING VALVE 1 15 801 069 SPRING 1 16 801 070 VALVE 1 17 801 071 SEAT 1 18 801 465 SCREW button hd 6 32 NC x 5 16 2 Order parts by name and series letter of the assembly for which you are ordering a Dala META a dl tiran ll ill x SC pe POETES z AAT toe PEER E AET j y ae E Por A iai y taste as ar Y ai We Lp tO arts a tea dd de cot Tan Senin AA A ate A Pe tL A aig A A RR aA IT LG ri O aM a A MAA A di ii cd Rana ade a Sy GA ia di ral id 1 ee a Le a PR MOP PERA A A ea n a As A nn dl AAA dla NE PARTS DRAWING tae Gun Assembly 800 13 NOTE Hose Quick Couplers amp Spray Tips not included with Gun Assembly See Pressure Washer Assembly Parts Drawing List page 6 7 PARTS LISTE z Gun Assembly 800 130 REF PART NO NO DESCRIPTION QTY 1 801 134 TUBE 32 1 801 674 GRIP 1 ACI ATRAER RRE tee oe eS aa CTA SNS SERVICE Gun Cartridge Replacement 2 3 801 009 COUPLER female quick disconnect 4 4 801 638 SPRAY GUN replaceabie UN parts include items 5 18 1 1 Press access pin 14 from gun handle and remove 2 Seat i UNES i access plate 16 by sliding plate backwards
11. SPRING FOOT RETAINER BOOT leg WHEEL AXLE FOOT BUMPER 3 WASHER lock 3 8 WELDMENT leg support TIP 2505 MEG 1 4 thd _ TIP 4005 MEG 1 4 thd LABEL warning RIVET drive PIN roll SCREW hex 10 24 x 3 4 WASHER lock 10 WASHER flat 3 16 BUMPER WASHER flat 7 16 SPACER beltguard QUICK COUPLE female thd BUMPER rubber a Order parts by name and series fetter of the assembly for which you are ordering PARTS LIST Sa Engine Assembly 800 084 REF PART NO NO DADA 801 628 801 719 801 585 801 626 801 627 801 635 801 634 801 629 Recommended too box spare parts A E NS DESCRIPTION ENGINE 18 H P HEAT SHIELD EXTENSION THROTTLE CONTROL SWITCH BRACKET switch FUEL BRACKET QUICK COUPLE FUEL LINE er Na 1 1 qe 1 1 1 1 Order parts by name and series letter of the assembly for which you are ordering 801 644 7 id ds ia in OEA As ie ae TAI Ue ont AAA E a STU Pah A AE PEPA ROS TACA 2 NA ERE AAA A DT Kiral rr a de a aD a a LA AAA a Pii O Re ASA e Gas Tank Asombly 800 083 PARTS DRAWING Unioader Assembly 800 122 3000 PSI 207 bar Max 8 801 644 REF PART NO NO DESCRIPTION QTY 1 801 577 TANK gas 1 2 801 578 CAP 1 3 801 579 FUEL LINE KIT 1 Order parts by name and series letter of the assembly for which you are ordering PARTS LIST Unloader Assembly 800 122 REF PART NO NO DESC
12. and trigger the gun to relieve pressure Engage the trigger safety 2 Keep the nozzle and the tube pointed away from you and everyone else 3 Do not put your hand over the tip to push the nozzle into place Grasp it from the side and keep your fingers away from the tip 4 Do not let anyone else touch the spray valve while you are cleaning nozzles 5 Be sure the slip ring is pushed forward to lock the nozzle in place before triggering the spray gun 4 801 644 Shutdown and Care Of Unit When unit is not in use turn off water supply When shutting down for the day or weekend shut off unit shut off water supply valve and trigger gun to release pressure Wipe off the unit with a damp rag CAUTION Shut off cleaning unit when not actually spraying for longer pump life The pump will overheat if left running for over 10 minutes without spraying Check the filter screen in the water inlet connection as often as necessary at least daily Do not operate the unit with the inlet and filter screen removed DO NOT try to adjust the unloader valve Changing the setting may cause excessive pressure intermittent unloader operation and increased wear on parts and will void the warranty PUMP MUST NOT BE RUN DRY and must be drained of water prior to exposure to freezing temperatures Use and store the unit where it will not be subjected to freezing temperatures If water does freeze in the unit thaw before
13. e 9 TIP 0005 MEG 1 4 thd TIP 1505 MEG 1 4 thd PUMP ASSEMBLY see parts drawing list page 11 BELT drive LABEL warning LABEL warning DECAL Graco Vangard PLATE serial no ENGINE ASSEMBLY 18 h p see parts drawing list page 7 SCREW hex 3 8 16 x 1 1 2 SCREW hex 5 16 18 x 1 1 2 SCREW hex 5 16 18 x 1 SCREW hex 5 16 18 x 3 SCREW hex 3 8 16 x 7 SCREW hex M8 x 30 MM BUSHING mach 3 4 NIPPLE hex 3 8 x 3 8 NPT WASHER fiat 1 4 WASHER flat 5 16 WASHER lock 1 4 WASHER lock 5 16 QUICK COUPLE male 3 8 NUT hex 5 16 18 NUT locking 3 8 16 NUT locking 1 2 13 GROMMET HOSE H P 3 8 x 50 ft PULLEY pump PULLEY engine HUB pulley Sr Ray S EERE OS E AN QTY mall mb ook h ott k hh REF PART NO NO 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 801 137 800 083 801 569 800 058 800 082 801 541 801 618 801 619 801 609 801 507 801 505 801 506 801 550 801 538 801 504 801 539 801 363 801 537 801 614 801 615 801 130 801 132 801 608 801 605 801 607 801 606 801 369 801 612 801 576 801 090 801 680 DESCRIPTION KEY pulley l GAS TANK ASSEMBLY see parts drawing list page 8 QUICK COUPLE male RAIL STIFFNER VWELDIMENT CHASSIS WELDMENT HANDLE BELTGUARD COVER BELTGUARD BASE BRACKET support
14. e torqued after 5 hours operation i Pumping Section t Remove the eight cap screws 1 from the manifold using the M13 wrench 2 Carefully separate the manifold from the crankcase NOTE it may be necessary to tap manifold lightly with mallet to loosen CAUTION Keep manifold properly aligned with ceramic plungers when removing to avoid damage to plungers or seais 3 Carefully examine each plunger 16 for any scoring and replace if necessary Servicing Plungers 1 Loosen plunger retaining screw 12 5 6 turns using M 10 wrench Push plunger towards crankcase This will separate plunger and retaining screw 2 Remove retaining screw from plunger and examine o ring 18 back up ring 17 and copper bearing gasket washer 13 Replace if necessary using plunger repair kit P N 801 474 3 Remove plunger from plunger rod and remove copper flinger 15 Clean or replace if necessary 4 Lightly grease flinger and replace it on plunger rod 5 Replace plunger 6 Lightly grease retaining screw assembly to avoid cutting o ring Lightly grease outer end of plunger 7 Install retaining screw assembly into plunger and torque to 14 4 ft Ibs Me K m 10 801 644 8 Lubricate each plunger and carefully slide manifold onto crankcase 9 Replace the eight capscrews and snug them up Torque to 21 7 ft Ibs 3 K m NOTE The eight capscrews must be torqued evenly to apply equal pressure on
15. hose etc are subject to the warranty if any of their manufacturer Graco wili provide purchaser with reasonable assistance in making such claims Factory Branches Atlanta Dalias Detroit Los Angeles West Caldwell N J WATER SANDBLASTER 800 120 For abrasive cleaning of stubborn dirt and paint Spray tip not included in kit SANDBLASTER SPRAY TIP 801 667 Subsidiary and Affiliate Companies Canada England Switzerland France Germany Hong Kong Japan GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1444 PRINTED IN U S A 801 644 6 84 Rev 8 84 45 10061 REV D
16. nder servicing plungers E RES mre PARTS DRAWING Exc Pump Assembly 800 059 OIL SEAL KIT 801 473 801 486 includes Includes REF REF NO QTY NO 11 3 PARTS LIST Es ee Pump Assembly 800 059 gt REF PART NO NO DESCRIPTION QTY 1 801 468 SCREW M8 x 70 mm 8 2 801 469 WASHER 8 3 801 472 VALVE UNIT 6 4 801 470 O RING 6 5 801 648 HEX PLUG M24 x 2 x 16 6 6 801 647 MANIFOLD 1 7 801 479 HEAD RING 6 8 801 478 PACKING 6 9 801 481 LONG LIFE RING 3 10 801 476 O RING 3 11 801 777 OIL SEAL 3 12 801 493 PLUNGER RETAINING SCREW 3 13 801 492 BEARING GASKET WASHER 3 14 801 475 OIL DIPSTICK 1 15 801 489 FLINGER 3 16 801 490 PLUNGER 3 17 801 491 BACK UP RING 3 18 801 488 O RING 3 19 801 477 PACKING RETAINER 3 20 801 480 INTERMEDIATE RING 3 21 801 484 CAP 3 8 NPT 1 UNLOADER ASSEMBLY See Parts Dwg List Bt ie AS A SO 25 38 30 31 32 29 PACKING KIT PLUNGER REPAIR KIT 801 474 Includes REF NO 12 13 17 18 REF PART NO NO 22 801 482 23 801 483 24 801 485 25 801 107 26 801 523 27 801 620 28 801 621 29 801 622 30 801 110 31 801 111 32 801 112 33 801 597 34 801 623 35 801 416 36 801 625 37 800 122 38 801 568 39 801 526 40 801 624 Order parts by name and series letter which you are ordering to G2 Wo Ww lo PACKING amp RETAINER KIT 801 487 Three kits needed for entire pump Includes REF NO aTY tO h
17. rasives in Install proper filter Check flow available to pumped fluid or severe cavita pump tion Inadequate water supply Eo ee or dirty inlet or discharge Clean inlet and discharge valve assemblies valves Worn inlet or discharge valves Leaky discharge hose Replace worn valves valve seats and or discharge hose Pro sea Clean out foreign material replace worn valves Pump runs extremely rough Restricted inlet or air entering pressure low the inlet plumbing inlet restrictions and or air leaks Stuck inlet or discharge valve Leaking H P seals Replace seals Water leakage from under j Worn packing a Install new packing the manifold Water in pump crankcase May be caused by humid air Change oil at 3 month or 500 Hour intervals using o condensing inte water inside the Crankcase Oil other approved oil every month or crankcase 200 hours P N 801 144 por Bize inlet plumbing check for air tight Frequent or premature failure Scored plungers Replace plungers of the packing Over pressure to inlet manifold Reduce inlet pressure Damaged or worn plungers Replace plungers Abrasive material in the fluid Install proper filtration on pump inlet plumbing being pumped ExcesSive pressure and or Check pressures and fluid inlet temperature be ae of fiuid being sure they are within specified range pumped Over pressure
18. tance 801 644 3 A ee Oe A X OPERATION amp Startup Before starting be sure to read the safety wa rings and setup instructions Check the oil and gasoline levels Turn on the water supply Trigger the gun Open the by pass valve located on the pump pa am WARNING DO NOT w wire or tie the gun trigger into ihe openor triggered position Open vent on fuel tank cap Conh s fuel line am tank to engine fuel coupling Prime gas line by squeezing butb in line three to five times Advance throttie control to the start position Fuel tank must be below unit Turn ON OFF switch located inert the engine air cleaner to the ON position Grasp the starter cord handle put your foot on the frame or wheel to steady the unit pull the cord rapidly out two or three feet Repeat if necessary with the choke ring pulled out When engine fires and begins to run push choke ring back in Close by pass valve on pump CAUTION Never run the cleaning unit dry Costly damage to the pump will result Always be sure water supply is completely turned on before operating Inspect all connections for any leaks Tighten if necessary Cleaning For Hydra Clean technique see the Chemical Injector manual 801 645 For abrasive cleaning see the Water Sandblaster manual 801 646 pu WARNING Follow these precautions when removing m installing nozzles 1 Shut off the cleaning unit
19. the manifold so that it seats properly and doesn t bind or jam This is best done by torquing bolts closest to the center of the manifold first and then working out from those bolts Servicing V Packings NOTE Use packing repair kit P N 801 486 1 After removing the eight capscrews and the manifold carefully pull packing retainer 19 from the manifold Examine o ring 10 and replace if necessary 2 Remove low pressure packing 8 and head ring 7 3 Pull intermediate retainer ring 20 from manifold Remove long life ring 9 high pressure packing 8 and head ring 7 4 inspect all parts and replace if necessary NOTE ifj just the packings are needed use kit 801 486 If rings or retainers need replacement use kit 801 487 5 Thoroughly clean packing cavity in manifold and examine Lightly grease packing cavity 6 Replace packing assembly in the following order head ring 7 packing 8 long life ring 9 intermediate ring 20 head ring 7 packing 8 packing retainer 19 and o ring 10 CAUTION Carefully study the location of each part and the position of the seals to assure proper reassembly and operation 7 Lubricate each plunger and carefully slide manifold onto crankcase NOTE When replacing the manifold onto plungers extreme caution should be exercised to avoid damage to the seals 8 Replace the eight capscrews in the manifold and tighten as previously described step 9 u
20. you release it by triggering the gun So before removing the spray tip or servicing the unit a ways shut offthe unit and trigger the gun to release pressure Be sure that all accessory items and system components will withstand the pressure developed NEVER exceed the pressure rating of any component in system NEVER alter or modify equipment your personal safety as well as the function of the equipment isatstake Maximum working pressure 3400 PSI 235 ban Before each use check hose for weak worn or damaged conditions caused by tr ffic sharp corners pinching or kinking Tighten all fluid connections securely before each use Replace any damaged hose Do not use chemicals or agents which are not compatible with Buna N and PVC or neoprene cover of hose Do not leave a pressurized unit unattended Shut off the unit and release pressure before leaving g peeks See een F R R E e III NR Oe A Do not spray flammable liquids Do not operate the engine where combustible fumes or dust may be present GAS ENGINE PRECAUTIONS amp NEVER fill fuel tank while engine is running or hot Avoid the possibility of spilled fuel causing a fire Always refuel slowly to avoid spillage NEVER operate engine in a closed building unless the exhaust is piped outside The exhaust contains carbon monoxide a poisonous odorless and invisible gas which if breathed may cause serious illness or possibly death NEVER
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