Graco Inc. 800-233 Pressure Washer User Manual
Contents
1. 12 Adjust the chemical mixture s with the chemical metering valve s on the control panet Once the chemical metering valve s are adjusted to the desired setting they may be lett there tor future chemical applications 13 To change to the other chemical turn the chemical selector valve to the other chemical To shut off chemical turn the chemical selector valve to the OFF position or close the adjustable nozzle The chemical metering valve s do not have to be closed to change or shut off chemical supply CAUTION The chemicals used must be compatible with the wetted parts shown in the technical data at the end of this manual to avoid serious damage to the pressure washer and components 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 you stop spraying even for a moment In the engage position the trigger safety latch prevents the gun from being triggered accidentally by hand or if it is dropped or bumped Be sure the latch is fully seated in slot in handle or it cannot prevent the gun from being triggered See Figure 2 TRIGGER SAFETY LATCH SHOWN ENGAGED A A i anta A SHUTDOWN FLUSHING AND STORAGE WARNING Pressure Relief Procedure To reduce the risk of serious bodily injury2. ff using a chemical injector read and follow the chemical manufacturer s literature regarding the use of protective eyewear clothing and equipment System Pressure This sprayer can develop 7800 psi 123 bar MAXIMUM WORKING 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 on the back cover Always read the chemical manufacturer s literature before using any chemical in this pressure washer HOSE SAFETY High pressure fluid in the hoses can 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 fluid injection injury or other serious bodily injury or property damage 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 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 rec
3. INSTRUCTIONS PARTS LIST This manual contains IMPORTANT WARNINGS and INSTRUCTIONS READ AND RETAIN FOR REFERENCE Y 802 777 Rev A GRACO HYDRA CLE Pressure Washer P N 800 233 SERIES A 61235 7 200 psi 82 bar OPERATING PRESSURE 1800 psi 123 bar MAXIMUM WORKING PRESSURE GRACO INC P O Box 1441 MINNEAPOLIS MN 55440 1444 COPYRIGHT 1987 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 I 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 In addition some cleaning solutions may be toxic and can cause chemical burns skin irritations and allergic reactions if inhaled or if they come in contact with the body or eyes Always follow these precautions when operating your pressure washing system to reduce the risk of serious bodily injury NEVER point the spray gun at anyone or at any part of the body NEVER use the spray gun without the wand NEVER put hand or fingers over the spray tip NEVER try to stop or deflect leaks with your hand or body ALWA
4. 2 YEARS OF THE DATE OF SALE EQUIPMENT NOT COVERED BY GRACO WARRANTY GRACO MAKES NO WARRANTY AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABIL ITY 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 22 Factory Branches Atlanta Dallas Detroit Los Angeles West Caldwell N J Subsidiary and Affiliate Companies Canada England Switzerland France Germany Hong Kong Japan GRACO INC BOX 1441 MINNEAPOLIS MN 55440 1444 PRINTED IN U S A 802 776 10 87
5. MOTOR 3HP TEFC C Face Includes item 72 KEY COUPLING Includes item 74 SPYDER HOUSING Includes items 76 79 BOLT 1 2 13 x 1 1 4 SHCS BOLT M6 x 16 mm SHCS LOCKWASHER 1 2 LOCKWASHER 1 4 PUMP VALVE Relief Temp CROSS 1 2 ELBOW Street 1 2 x 90 NIPPLE 1 2 x 2 ELBOW Street 3 8 x 45 COUPLING 3 8 NPT M x 3 8 NPS M COUPLING 3 8 NPT M x 3 8 NPS F UNLOADER Replacement Includes item 98 INJECTOR Chemical GROMMET SUPPORT Unloader COUPLING 3 8 NPT F x 1 4 NPS F ELBOW Street 1 4 x 909 HOSE By Pass Includes 802 627 Adapter LABEL Pump ADAPTOR 3 8 NPT WASHER Aluminum PLUG 1 4 NPT QTY gt A0 0 Naw oe Se AHA b m d a _ md md a gt 802 777 13 PARTS DRAWING Pump 802 629 mee PARTS LIST NO NO DESCRIPTIO QTY Pus 1 NO ESCRIPTION 201 801 651 SCREW M8 60 MM 8 o br y KIT arii pis KIT 202 801 652 WASHER 8 4 x 13 x 0 8 MM 8 203 VALVE 6 nciudes Includes 204 801 470 O RING 6 205 HEX PLUG M24 x 2 x 16 MM 6 206 802 319 MANIFOLD 1 207 801 485 WASHER 1 508 en pre CAP 1 5 1 T 2 1 482 1 1 210 801 483 WASHER 1 Hor Hari KIT 211 HEAD RING 6 1 1212 PACKING 6 Includes includes 213 INTERMEDIATE RING 3 REF REF 214 3 NO NO 215 O RING 3 203 204 216 OIL SEAL 3 205 217 PLUNGER RETAINING SCR
6. including fluid injection and splashing in the eyes or on the skin ALWAYS follow this procedure whenever you shut off the pump when checking or servicing any part of the system when installing or changing spray tips and whenever you stop spraying for more than 10 minutes 1 Engage the gun trigger safety latch 2 Turn the pressure washer off 3 Remove the power cord fram the outlet 4 Shut off water supply 5 Disengage the trigger safety latch and trigger the gun to relieve pressure and engage latch again 1 After using the chemical injector system it should be flushed out with water or a 50 antifreeze solution if unit will be exposed to freezing temperatures This is best done by replacing the chemical container s with a bucket of water or a 50 antifreeze solution Operate pressure washer as described in start up Draw water or antifreeze solution into both chemical lines until it passes through the injector flushing the chemical injector system you will help avoid unnecessary wear and prolong the life of components MAINTENANCE Observing regular maintenance intervals helps ensure that you get maximum performance and life from your pressure washer There is break in period for the pump After changing the oil after the pump s break in period the interval between required changes is longer If you are operating in dusty conditions these maintenance checks should
7. the retainer groove CAUTION Be very sure the parts are installed in the proper order and facing the correct direction See Figure 4 Improperly installed parts will cause a malfunction 7 Reassemble the manifold as instructed in Steps 7 and 8 of Servicing The Plungers Servicing The Plungers NOTE Plunger repair kit part no 801 474 is available to service all the plungers 1 Loosen the plunger retaining screws 217 5to 6 turns using an M10 wrench Push the plunger 221 toward the crankcase to separate the plunger and retaining screw 2 Remove the screw 217 from the plunger and examine the o ring 219 backup ring 220 and copper bearing gasket washer 218 Replace these parts if necessary using kit part no 801 474 3 Remove the plunger 221 and flinger 222 from the plunger shaft Clean examine and replace parts as necessary 802 777 9 TERN V RE ANT Dial RR ATE D 4 Inspect the plunger shaft for oil leakage from the crankcase If leaking is obvious replace the oil seals 216 Otherwise DO NOT remove these seals as they cannot be reused 8 Instali the eight Allen head cap screws 201 and washers 202 finger tight Torque the screws to 15 9 ft lb 2 2 Nm following the tightening pattern in Figure 3 Uneven tightening may cause 3 A SA mie a 1 eee LN A A LS ia EN UR ie a a a aZ ds at lit raa A
8. 20 or 30 weight non detergent oil as necessary SAE 30 weight non detergent oil is preferred 2 Connect pressure washer to water supply and to proper electrical service as described in set up 3 Turn water supply on and trigger the gun until water sprays from the tip and all air is purged from the system 4 Turn switch on control panei to ON 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 splashingin the eyes or on the skin if the gun is bumped or triggered accidentally 6 Most pressure washer spraying is done at full pressure lf a reduced pressure is desired for a special application there are two methods to reduce the maximum output from the pressure washer a Turn the pressure control knob on the unloader counterclockwise as needed This method is best if you are operating consistently at a reduced pressure atn a a aa a er ache Ra aa A AM Apa LM eH C i MA abd rar RIT n PR A A atri M Rx SN AB an Tae D i opt TD aS TTL so A nd MILLS UAI CDSN sa A Check flow rate of the water supply It must beatleast 4 gpm or the pressure washer will not develop full pressure B To check flow rate time how long it takes to fill a standard five gallon pail it should take no longer than 1 minute and 15 seconds Electrical Supply 7 Connect electr cal cord to the proper power supply The el
9. TUBING 1 4 I D LOCK 5 16 FLAT 1 4 HANDLE NUT 3 8 16 BOLT 3 8 16 x 1 WHEEL FLAT 5 8 COTTER PIN AXLE PIVOT NUT 5 16 18 BOLT 5 16 18 x 3 4 G5 CASTER BRACKET Caster BUMPER PLUG Plastic FILTER WASHER HOSE Inlet STRAINER Chemical LABEL Serial No CHASSIS HOSE BARB 1 8 x 1 4 VALVE Metering LOCKNUT 1 2 Electrical PANEL End Control LABEL Knob SCREW 6 32 x 1 2 LOCK 6 FLAT 6 FLAT 3 4 FLAT 810 gt amp 2 BRAN Aa ANO AA hp 1 be sure you receive the correct replacement parts kit 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 distributor parts from your nearest Graco REF PART NO NO 64 802 684 65 801 733 66 802 686 67 801 221 68 801 305 69 802 052 70 800 248 71 802 625 72 802 783 73 802 698 74 801 887 75 802 633 76 802 785 77 802 786 78 802 784 79 801 139 80 802 629 81 800 115 82 801 622 83 801 178 84 801 523 85 802 086 86 801 891 87 801 890 88 802 842 89 800 138 90 801 900 91 802 752 92 801 881 93 801 620 94 801 866 95 801 524 96 801 905 97 801 907 98 801 709 DESCRIPTION VALVE 3 Way HOSE BARB 1 4 x 1 4 LABEL Control Panel CONNECTOR Crimp WIRE NUT Yellow WIRE NUT Red PUMP MOTOR ASSEMBLY Includes items 71 80
10. 801 223 SWITCH 1 5 801 894 SCREW Ground 1 EADS ONN OTOR 6 802 980 BOX Switch with plug 1 7 801 931 GRIP Cord 10 3 MG ON MEER 8 802 153 CORD 12 3 36 DIAGRAM 9 802 685 PLATE Inst 10 801 417 LABEL Relieve Pressure 1 e 1 11 802 664 HOOD 1 5 12 801 883 TIP 15065 1 gt 13 802 751 PANEL End 1 14 800 118 NOZZLE Adjustable 1 E 15 801 957 SLEEVE Safety 1 16 801 129 LABEL Warning 1 17 801 388 LABEL Warning Ground 1 18 801 935 WAND 1 19 802 699 GUN 1 8 Ref 6 Ref A Ref 20 801 103 NIPPLE 3 8 x 1 4 1 Continued 12 802 777 ASTON e IS Sin A A REA A A A EE E PARTS LIST Hydra Clean 1235 Continued REF PART NO NO 21 801 009 22 801 090 23 801 967 24 801 605 25 801 875 27 801 546 28 801 015 29 801 363 30 801 214 31 801 813 33 801 025 34 801 023 35 802 729 36 801 878 37 801 818 38 801 879 39 801 235 40 801 880 41 801 857 42 802 648 43 801 024 44 801 940 45 802 703 46 800 247 47 802 730 48 801 910 49 801 112 50 802 735 51 801 683 52 801 501 53 800 246 54 802 669 55 802 683 56 801 937 57 802 636 58 802 843 59 802 733 60 802 731 61 802 732 62 801 547 63 802 292 HOW TO ORDER REPLACEMENT PARTS DESCRIPTION QUICK COUPLER Female Includes 801 202 O Ring QUICK COUPLER Male HOSE 30 SCREW 10 24 x 3 4 LOCK 10 BOLT 3 8 16 x 1 1 4 G5 FLAT 5 16 LOCK 3 8 BOLT 3 8 16 x 1 3 4
11. E A IDs O fa eL i ih A Eie a e SS A T a n uS cato oi A Ra iy A A A A the manifold to bind or jam NOTE Oil Seal Kit part no 801 658 is available to replace all three seals 5 Lightly grease the oil seal if it is being replaced and the flinger and replace them on the plunger shaft Then install the plunger 6 Lightly grease the retaining screw 217 and the outer end of the plunger Place the washer 218 o ring 214 and backup ring 220 around the screw and install the screw through the plunger Torque to 14 4 ft lb 2 Nm NOTE If you plan to replace the packings go 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 FIGURE 3 FIGURE 4 10 802 777 PARTS DRAWING amp Hydra Clean 1235 P N 800 233 Continued 802 777 11 M e ns Manis i a DEO eh M sa A AM tate ER de i aat V ca ae Mn tv sd aida Sa Aa LLL LT d WAM lh LEM e lS NFL aL Ora Na BR a TN t a n PARTS DRAWING X Hydra Clean 1235 Continued 78 76 PUMP 80 See Parts Drawing 89 CHEMICAL INJECTOR See Parts Drawing 9 6 85 Page 15 PARTS LIST Hydra Clean 1235 P N 800 233 WIRING DIAGRAM 69 68 LINE IN 68 REF PART NO NO DESCRIPTION ary 1 802 760 COVER Switch 1 2 801 892 CORD W PLUG 12 3 x 8 1 4
12. EW 3 513 bes 3 2 O RIN 3 220 BACK UP RING 3 PACKING amp RETAIN PLUNGER REPAIR 221 801 661 PLUNGER 3 ER KIT 801 664 KiT 801 474 222 801 660 FLINGER 3 Three kits needed for Includes 223 801 659 OIL DIPSTICK 1 entire pump REF See page 13 for How To Order Replacement Parts 14 802 777 Includes NO 217 218 219 220 NUPTIAE RE aaa yh ih Y AE E POS PARTS LIST PARTS DRAWING Chemical injector 800 138 Chemical Injector 800 138 REF PART NO NO DESCRIPTION QTY 1 801 684 NIPPLE Hex brass 3 8 NPT 1 2 801 685 O RING 1 3 801 687 NOZZLE NO 2 16 21 l min 1 4 801 688 O RING 1 5 801 689 CHEMJET BODY 1 6 801 690 SPRING cone 1 7 801 784 BALL 1 8 801 692 O RING 1 9 801 693 O RING 1 10 801 694 VALVE SEAT 1 11 801 695 SPRING 1 12 801 696 O RING 1 13 801 697 NEEDLE HOSE BARB 1 14 801 698 ADJUSTMENT KNOB 1 15 801 682 SPRING retaining 1 lf an extremely harsh chemical is to be injected or if corrosion problems exist the standard brass needle hose barb ref no 13 may be replaced with 4 ad inse steel needle hose barb part no 801 See page 13 for How To Order Replacement Parts _ TECHNICAL DATA MOTOR 3 hp single phase 230 V 60 Hz 20 Amp TEFC WATER PUMP 1200 psi 83 bar measured at pump 3 5 GPM 13 3 liter min WETTED PARTS High Pressure Hose Acrylonitrilie and Buna N cover and tube E Bypass Hose Syntheti
13. RNING ES 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 on page 7 before proceeding Low Pressure Worn nozzle Replace with nozzie of proper size Coupling slippage Tighten or replace Air leak in inlet plumbing Disassemble reseal replace bad parts and reassemble Clean Use adequate size Check more frequently instali proper filter Check flow available to pump Replace packings Inlet filter clogged Worn packing Abrasives in pumped fluid or severe cavita tion Inadequate water supply Fouled or dirty inlet or dis charge valves Worn inlet or discharge valves Leaky discharge hose Pressure adjustment set down Clean inlet and discharge valve assemblies Replace worn valves valve seats and or discharge hose Turn adjustment knob in to increase pressure Proper size inlet plumbing check for air tight seal Clean out foreign materiai replace worn valves Restricted inlet or air entering the inlet plumbing Inlet restrictions and or air leaks Stuck inlet or discharge valve Leaking high pressure seals Pump runs extremely rough pressure low Replace seals Inadequate water supply Check flow available to pump Water leakage from under Worn packings Repl
14. YS be sure equipment safety devices are operating properly before each use Use this pump only for pumping water and water diluted cleaning solutions NEVER use the pump for paint or any other coatings ALWAYS wear protective eyewear and appropriate clothing to protect yourself from the overspray and the debris that is removed as you clean Read and follow the cleaning chemical manufacturer s recommendations on preparation and use of the cleaning solution and the use of breathing apparatus and proper ventilation MEDICAL TREATMENT if any fluid appears to penetrate your skin get EMERGENCY MEDICAL CARE AT ONCE DO MOT TREAT AS A SIMPLE CUT Tell 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 isa concern with some exotic coatings injected directly into the blood stream Consultation with a plastic surgeon or reconstructive hand surgeon may be advisable 2 802 777 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 shut off the pump when checking or servicing any part of the system when installing or changing spray tips and whenever you stop spraying for more than 10 minutes Engage the gun trigger s
15. ace packings the manifold Water in pump crankcase Worn packings Replace packings Replace oil seals Change oil at 3 month or 500 hour intervals Oil seal leaking May be caused by humid air condensing into water inside the crankcase Scored damaged or worn plungers Abrasive material in the water being pumped Inlet water temperature too high Over pressurizing pump Frequent or premature Replace plungers failure of the packing Install proper inlet filter Check inlet water temperature be sure not to exceed 160 F Do not modify any factory set adjustments Clean or replace tip Excessive pressure due to partially plugged or damaged tip Pump running too long without spraying or cleaning Running pump dry Foreign particles in the inlet or discharge valve or worn inlet and or discharge valves Unit not plugged in Electric motor overheated Never run pump more than 10 minutes without spraying or cleaning Do not run pump without water Replace or clean valves Strong surging at the inlet and low pressure on the discharge side Unit will not start Check power cord Let motor cool and push reset button on motor Check fuse circuit breaker panel Disassemble chemical valve and clean Check and clean chemical hose and filter Turn control ring on nozzle clockwise to cause drop i
16. aco be fiable 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 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 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 15 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
17. afety latch Turn pressure washer OFF Remove the power cord from outlet Shut off the water supply Disengage the trigger safety latch andtrigger the gun to relieve pressure and engage the latch again EDS Spray Gun Safety Do not remove or modify any part of the gun this can cause a malfunction and result in serious bodily injury Safety Latch ALWAYS engage the gun safety latch whenever you stop cleaning even for a moment The latch MUSTBE pushed fully down to make the gun inoperative Failure to properly set the safety latch can result in accidental triggering of the gun See Figure 2 page 6 Spray Tip Safety Use extreme caution when cleaning or changing spray tips if the 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 ee A DEM LE LL LAM o 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 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 bodily injury or property damage NEVER alter or modify any part of this equipment doing so could cause it to malfunction CHECK ali cleaning equipment regularly and repair or replace worn or damaged parts immediately
18. be made more often aT d atte snnt tovs AA A A te Proust NS 2 Ifthe pressure washer will be exposed to freezing temperatures drain all water out of the pump if you must store the pressure washer in freezing temperatures flush it with a 50 antifreeze solution This can be done by placing the end of the inlet hose into a bucket of 50 antifreeze solution Start the pressure washer Trigger the gun for 10 seconds reiease the trigger for 10 seconds Trigger and release about 10 times or until the 50 antifreeze solution comes out of the Spray tip CAUTION If water does freeze in the pressure washer thaw it in a warm room before trying to start it Do not pour hot water on the pump it may crack the ceramic plungers 3 After each use wipe all surfaces of the pressure washer with a clean damp cloth 4 Perform the appropriate maintenance See the chart on page 7 Clean water inlet screen Check pump oil level Fill as necessary Change pump break in oil Use SAE 20W or 30W non detergent oil After first 50 hours of operation Each 500 hours of operation or 3 months ewm 15 2 Oz SAE 20W or 30W 45 liters Non Detergent SAE 30 weight non detergent oil is preferred Change pump oil Use SAE 20W or non detergent dil 802 777 7 A or A AA A A A TROUBLESHOOTING CHART WA
19. c yarn EPDM Pressure Washer including fitting Anodized Aluminum Aluminum or Bronze alloys Brass Copper Nylon TDTFE omposite Ceramic Buna N Cottons 316 303 amp 304 Stainless Steel Polymide 12 Thermo plastic PTFE Carbon Steel zinc or yellow chromate pias UNIT WEIGHT 150 Ib 68 kg OVERALL DIMENSION Length 38 in 965 mm Width 19 in 482 mm Height 33 in 838 mm MAX INLET WATER TEMPERATURE 160 F 70 C INLET HOSE CONNECTION 3 4 garden hose f PUMP OIL CAPACITY 15 2 oz 45 liters is a registered trademark of the DuPont Company 802 777 15 THE GRACO WARRANTY WARRANTY Graco warrants all equipment manufactured by it 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 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 tampering or substitution of non Graco component parts Nor shall Gr
20. ectrical service required is single phase 230V 60 Hz AC 20 Amp Electrical service must include a ground wire If an extension cord is used it must have a ground wire and be at least No 12 gage wire Extension cord must not be over 100 feet long b Turn chemical seiector valve to the OFF position then open the adjustable nozzle on the end of the spray wand as needed This method is best to quickly reduce pressure for a special application WARNING DO NOT attempt to adjust the adjustable nozzle when the spray gun is in use Be sure that the safety latch on the gun is in the ON position before adjusting to avoid serious bodily injury or fluid injection 7 Always observe the following cautions to help avoid costly damage to your pressure washer CAUTION DO NOT allow the pressure washer to idle for more than 10 minutes The unit is equipped with a thermal relief valve to help avoid the recirculating water from becoming too hot and seriously damaging the pump but it is a good idea to turn the pressure washer off if you are not spraying or cleaning at least every 10 minutes DO NOT run the pump dry which will quickly damage the pump Be sure the water supply is fully turned on before starting the pump DO NOT operate the pressure washer with the inlet screen removed This screen helps keep abrasive sediment out ofthe pump which could clog or scratch the pump DO NOT pump caustic materials such
21. flat washers and lock washers removed in head of bolt Use a flat washer lock washer and Step 1 nut on each bolt on the inside of the chassis 5 Remove the plastic plug from the inlet hose ES 3 Connect one end of the 30 foot high pressure Check the water supply flow rate see page 5 hose to the pump outlet This connection is made Connect inlet hose to water supply A standard D with a threaded swivel fitting Connect the other 3 4 garden hose may be used to connect inlet end to the gun using the quick couplers provided _ hose to the water supply 4 802 777 Water Supply CAUTION Before connecting the water supply to the pump check your local piumbing code regarding cross connection to the water supply A backflow preventor Part No 801 133 is available to prevent the back flow of contaminated water into the fresh water supply Install upstream from the pump DO NOT exceed 160 F 70 inlet water temperature Higher temperatures will damage the pump packings START UP Use this procedure each time you start the pressure washer to help ensure the pressure washer is ready to operate and that you start it safely Check pump oil level Look at oil level indicator window through inspection hole in side of the hood Pump also has a dipstick located under hood on top of pump Oil level should be upto dot on oil level indicator window and within the notch on dipstick Add SAE
22. materials may corrode and damage the pump components 802 777 5 Chemical Injector Operation 8 Be sure that the control ring on the injector is open two fuli turns from the closed position To check this the hood must be opened Once the control ring is open it may be left alone The chemical mixture is controlled by the chemical metering valves on the control panel 9 Place the chemical strainer s and chemical line s into your chemical container s 10 Select which chemical you want to use with the chemical selector valve on the control panel 11 To apply the cleaning chemical to the work surface the adjustable nozzle on the end of the spray wand must be open The chemical s can only be drawn into the water stream and applied to the work surface in a low pressure situation By opening the adjustable nozzle you create low pressure Closing it produces high pressure for rinsing and pre chemical flushing or no chemicai cleaning One chemica may be turned off and on at the gun by using the adjustable nozzle as described above WARNING DO NOT attempt to adjust the adjustable nozzle when the spray gun is in use Be sure that the safety latch on the gun is in the ON position before adjusting to avoid serious bodily injury or fluid injection TRIGGER SAFETY LATCH SHOWN DISENGAGED 6 802 777 EAT RA A li Ra CARET Marsan ET im ii e A LL A A A S ai A UA A AA AD iD ARE A DI
23. n pressure Check level of chemical Electric service off Chemical injector clogged Chemical injection system doesn t work Adjustable nozzle completely closed Low chemical level s 8 802 777 4 A a R TES o UE e e PUMP SERVICE WARNING TEST c tuat 9 SEE AO EE TRIAL AS RTE a PPE TE LES a a 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 on page 7 before proceeding NOTE The following metric wrenches are needed M6 Allen wrench M10 and M30 A pump repair tool kit P N 800 271 is available It includes packing extraction and insertion tools Repair kits are available Refer to the individual repair sections and the parts page for more details For the best results use all the parts in the kit Valves NOTE replace valves order kit part no 801 472 Remove the hex plug 205 from the manifold 206 using an M30 wrench 2 Examine the o ring 204 under the plug and replace it if it is cut or distorted 3 Remove the valve assembly 203 from the cavity the assembly may come apart 4 Install a new valve 203 Install the o ring 204 piug 205 and torque to 75 ft lb 10 3 Nm NOTE Retorque the plug after 5 hours of ope
24. ouple high pressure hose or mend it with tape or other device A repaired hose cannot contain the high pressure fluid HANDLE AND ROUTE HOSES CAREFULLY Do not pull on hoses to move the pressure washer Do not use chemicals which are not compatible with the inner tube and cover of the hose DO NOT expose Graco hose to temperatures above 200 F 94 C or below 40 F 409 ELECTRICAL HAZARD NEVER operate the pressure washer without the unit being properly grounded This includes internal wiring on unit plug ground plug must be intact and building wiring Because water is a natural conductor it is very important to provide a good ground circuit to avoid serious bodily injury if equipment should fail MOVING PARTS HAZAR Moving parts can pinch or amputate your fingers or other body parts KEEP CLEAR of moving parts when starting or operating the pressure washer Follow the Pressure Relief Procedure page 2 before checking or Servicing the pressure washer to prevent discharging high pressure fluid from the gun IMPORTANT United States Government safety standards have been adopted under the Occupational Safety and Health Act These standards particutariy the General Standards Part 1910 and the Construction Standards Part 1926 should be consulted WARNING Alerts user to avoid or correct conditions that could cause bodily injury CAUTION Alerts user to avoid or correct conditions that could ca
25. ration Pumping Section 1 Remove the eight Allen head cap screws 201 and lockwasher 202 from the manifold 206 using a M6 Allen wrench 2 Carefully separate the manifold from the crankcase It may be necessry totap the manifold lightly with a rubber mallet CAUTION To avoid damaging the plungers or seals keep the manifold properly aligned with the ceramic plungers when removing it 3 Carefully examine each plunger 221 and replace it if there is any scoring Servicing The V Packings NOTE To replace just the v packings use kit part no 801 662 which will service the entire pump To replace the v packings rings and retainers order three of kit part no 801 664 1o service the entire pump 1 ff the manifold is not already removed follow Steps 1 and 2 of pumping section 2 Carefully pull the packing retainer 214 from the manifold Examine the o ring 215 and replace it if it is cut or damaged 3 Remove the v packing 212 and head ring 211 Pull out the intermediate retainer ring 213 Remove the v packing 212 and head ring 211 4 Inspect all parts and replace as necessary 5 Thoroughly clean the packing cavities and examine 6 Lightly grease the packing cavities and then replace the packings in the following order head ring 211 v packing 212 intermediate r ng 213 head ring 211 packing 212 and pack ng retainer 214 with the o ring 215 installed into
26. use damage to or destruction of equipment NOTE identifies helpful procedures and information 802 777 pM AAG PEAS e E ii O A No ada Rau A Aa PD A i ASSEMBLY INSTALLATION CHEMICAL HANDLE ADJUSTMENT KNOB SPRAY GUN QUICK COUPLERS CHEMICAL CONTAINER HOLDER HOSE STORAGE TOP OF RACK PRESSURE ADJUSTMENT KNOB SPRAY WAND PUMP OIL LEVEL SIGHT GAUGE VIEW THRU INSPECTION HOLE ON SIDE OF HOOD ADJUSTABLE NOZZLE CONTROL ON OFF RING SWITCH HIGH PRESSURE CHEMICAL HOSE 30 FT SELECTOR VALVE CHEMICAL METERING VALVES HOOD BOLTS CHEMICAL HOSES CHEMICAL FILTERS FLUID INLET 3 4 GARDEN HOSE NOTE THE PUMP OIL DIPSTICK AND MOTOR RESET BUTTON ARE NOT VISIBLE IN THIS PHOTO BUT ARE EASILY ACCESSIBLE WITH THE HOOD OPEN POWER CORD FIGURE 1 SET UP 1 Remove the two hood bolts flats and locks from CAUTION the center bottom of each side of the hood Pivot Up to 90 feet of high pressure hose may be used the hood open Using longer hoses may affect sprayer performance and chemical injector 2 Position the handle into the end of the chassis performance closest to the wheels Line up the four mounting holes Install the four 3 8 x 1 inch bolts from the 4 Hood may now be closed and secured with hood outside of the chassis Use flat washers only on bolts
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