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Instructions -- PartsList
Hydra--CleanR4043,16HPEngine
Hydra--Cleanr4043
PressureWasher
308532S
P/N800707,SeriesB
4000 psi (27.6 MPa, 276 bar) Operating Pressure
4300 psi (29.6 MPa, 296 bar) maximum Working Pressure
ImportantSafetyInstructions
Read all warnings and instructions in this manual.
Save these instructions.
See page 2 for Table of Contents.
6811B
GRACOINC. P.O.BOX1441 MINNEAPOLIS,MN 55440-1441
Copyright2002,Graco Inc.isregistered to I.S.EN ISO 9001
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WarningSymbol TableofContents WARNING Warnings...................................... 2 Component Identification and Function ............ 4 This symbol alerts you to the possibility of serious Setup ......................................... 5 injury or death if you do not follow instructions. Operation ..................................... 6 Troubleshooting ............................... 10 CautionSymbol Pump Service ................................ 11 Parts List................................
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WARNING HAZARDOUSFLUIDS Improper handling of hazardous fluids can cause serious injury, even death, due to splashing in eyes, ingestion or bodily contamination. D Know specific hazards of fluid being used. D Store hazardous fluids in approved containers. Dispose of hazardous fluids per local, state and national guidelines. D Wear protective eyewear, gloves, clothing, and respirator as recommended by fluid manufacturer. FUEL HAZARD The fuel used in this unit is combustible and when spilled on a h
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ComponentIdentificationandFunction Typical Installation -- PressureWasher G A B F L K E M H J D C 06812 6811B Fig. 1 A Engine 16 horsepower, operates pump assembly B Pump Assembly Pressurizes fluid to be sprayed through spray gun C Filter Screens out debris and other material between supply connection and pump. D Water Supply Connection Water supply connection for pump E High Pressure Hose Connection Hose and spray gun connection F Spray Gun High pressure spray gun with gun safety latch G Spray
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Setup CheckforShippingDamage ConnecttoWaterSupply Check the unit for any damage that may have occurred in shipping. Notifythecarrierimmediately if there is CAUTION any damage. Before attaching to the water supply, check your Set Up local plumbing code regarding cross--connection to Charge the battery. Be sure the battery connections the water supply. Use a backflow preventer if are correct and secure. Connect the fuel line to the required by local code. engine using the quick coupler provided. S
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Operation NOTE: This pressure washer is equipped with a PressureReliefProcedure low--oilsensorthatshutstheengineoffiftheoil levelfallsbelowacertainlevel.Iftheunitstops unexpectedly, check both the oil and the fuel WARNING levels. Checktheoilleveleach timethe unit is refueled. SKININJECTIONHAZARD 2. Check fuel level. System pressure must be manually relieved to prevent system from starting or spraying accidentally. Fluid under high WARNING pressure can be injected through skin and cause serious i
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Operation CAUTION Pressure washer is equipped with a thermal relief valve. If pressure washer is operated without spraying for an extended period (approximately 10 minutes) the valve will expel hot water. Do not operate pressure washer with inlet water screen removed. Keep screen clean. Screen keeps abrasive sediment out of pump, Abrasive sediment can clog pump or damage cylinders. 04612 Do not pump caustic materials; such materials may TRIGGERSAFETYLATCHSHOWNENGAGED corrode pump components. Fig
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Operation 2. Point the gun and wand away from yourself and Installing and Changing SprayTips anyone else. WARNING 3. Without holding your hand over the spray tip (A), pull back the quick coupler ring (B). Remove the To reduce risk of serious bodily injury, including old tip and/or install a new one, and then release fluid injection or splashing in eyes or onto skin, use the ring. See Figure 3. extreme caution when changing spray tips. always 4. Be sure the tip is secure before starting to spray
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Shutdown,Flushing,andStorage Maintenance CAUTION Do not expose pressure washer to freezing tem- Observing regular maintenance intervals helps ensure peratures or allow water to freeze in pressure that you get maximum performance and life from the washer components. If water freezes in the pres- pressure washer. sure washer, thaw it in a warm room before you try to start it. Do not pour hot water on or into the Thereisabreak--inperiodfortheengineandpump.After pump; it may crack the ceramic plunge
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Troubleshooting WARNING To reduce risk of serious injury, including fluid injection and splashing in eyes, or on skin, always followPres- sureRelief Procedure on page 6 before proceeding. Problem Cause Solution Engine willnotstartor No gasoline in fueltank orcarburetor. Fillthe tank with gasoline,open fuelshutoffvalve. ishardtostart Check fuelline and carburetor. Low oillevel. Add to properlevel. Start/Stop switch in Stop position. Move switch to startposition. Waterin gasoline orold fuel. Drain
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PumpService 3. Removeoilpanandslideoutsealretainerwithwicks. Servicing theValves 4. Using a wrench, loosen the plunger retainer. Grasp 1. Remove the hex valve plug. ceramic plunger and push toward crankcase until plunger retainer pops out. 2. Examine the o--ring under the plug for cuts or distortion and replace if worn. Lubricate new o--ring before installing. 5. Remove plunger retainer with copper gasket, back--up Ring and o--ring. 3. Graspvalveretainerbytabatthetopwithpliersand remove from val
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PumpService 3. Examine seal case o--ring and replace if worn. Servicing theSealsand V--Packings Lubricate new o--ring before installing. Disassembly: 4. Next secure high pressure seal into position by 1. Remove the manifold as described. threadingsealcaseintomanifold.Tightensealcase with key wrench. 2. Withcrankcasesideof manifoldfacing up, unscrew the seal case from the manifold using a specialkey Low PressureSeal--All Models: wrench. 1. Examine seal for wear or broken spring and lace if 3. Rem
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Notes 308532 13
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PressureWasher -- Parts 37b 37 (REF) 57 106 37g 107 -- + 1 45 37h 2 19 (REF) 62 56 45 47 63 48 56 46 3 37h 6 100 50 4 6 51 39 49 40 SHEET 2 81 58 57 102 52 7 56 59 33 54 2 8 34 -- 64 58 57 35 5 2 56 36 120 55 105 18 113 45 29 + 15 61 31 59 2 56 9 30 11 44a,44h 56 10 56 44c 78 44b 28 103 26 44d 56 56 44e 45 24 2 16 44f 25 12 5 44g 17 105 18 21c 13 22 43 14 21h 42 21d 21f 21b 21e 41 21g ti12860a 21a 14 308532
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PressureWasher -- Parts Model800707,Series B Ref. No. PartNo. Description Qty. 1 108868 CLAMP,wire 1 2 100214 WASHER,lock 5/16 4 Ref. 3 803889 BELT,drive 2 No. PartNo. Description Qty. 4 803943 SHEAVE,engine 1 44a 801009 .QUICK COUPLER,female 1/4 1 5 100023 WASHER,flat5/16 4 44b 801957 .SLEEVE,safety,18 in. 1 6 118241 SCREW,flange,hex hd 5 44c 802851 .HANDLE,tee 1 7 803534 LABEL,beltguard 1 44d 804470 .WAND,32” 1 8 803926 BELT GUARD 1 44e 804589 .GUN,spray (see manual308511) 1 9 803525 BOLT,batt
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PressureWasher -- Parts 43 92 109* 89 114 91 110 80 90 81 88 87 86 85 111 97 84 83 82 104 2 120 *Note:ChemicalInjectorRepairKit -- 244351 7544A Hydra--Clean 4043PressureWasher(Sheet2of2) 16 308532
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Notes 308532 17
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PumpAssembly -- Parts 27 29 28 26 33 12 32 30 31 23 22 34 19 a c 25 24 d 22 21 35 39 40 14 41 20 15 15 14 13 18 12 9b 9 9a e d 53 4 54 17 c b 16 a a 51 b c 52 e f 3 g 42 d 2 1 4e 9a 04608 9b 18 308532
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PumpAssembly -- Parts Model803508,Series A Ref. Ref. No. Part No. Description Qty. No. Part No. Description Qty. 1 803504 MANIFOLD 1 29 802345 GAUGE,sight 1 2 801468 SCREW,cap,hex hd 8 30 802793 PLUG,oildrain 1 3 801469 WASHER,lock 8 31 801488 O-RING 1 4 801472 KIT,Valve (includes:4a--4e) 1 32 803294 SCREW,cap,sockethd 6 4a O-RING 6 33 801652 WASHER,lock 6 4b SEAT,valve 6 34 803510 KIT,repair,plunger 4c PLATE,valve 6 (includes 34a,34c,34d) 1 4d SPRING 6 34a RING,back up 3 4e GUIDE,valve 6 34c O-
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Accessories DownstreamChemicalInjectorKit804387 PressureGaugeKit248744 For injecting harsh cleaning chemicals downstream For viewing pump pressure. from the pump. 800649 is stainless steel construction. WaterSandblastingKit800120 UpstreamChemicalInjectorKit800257 For abrasive cleaning of stubborn dirt and paint. Re- For injecting mild cleaning chemicals upstream into the quires a spray tip which is not included in kit (3540 pump. uses 803107, 4043 uses 803107). 20 308532
