Download Sherwin-Williams 2800 Owner`s manual
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OWNER’S MANUAL This manualcontains Important Warnings and Instructions.Read the manual and keepi!for reference. /?> “.?I .......... :,’<... .. {, .: I : , .L ... 820-180 Rev A j 9 HP ENGINE Model 2800 PRESSURE WASHER PIN 820-175, Series A 28OOpsi’(lQBbar) OPERATING PRESSURE 3200 psi (224 bar) MAXIMUM WORKING PRESSURE TABLE OF CONTENTS ......................... 2 5 startup.. ......................... 6. Shutdown, Flushing and Storage.... 8 Maintenance ...................... 8 Troubleshooting Chart ...... .I.. ... 9 PartsDrawing8Lists ............. 10 Pump Sewice .................... 14 Accessories ..................... 15 Technical Data ................... 15 Warranty ................ Back Cover Warnings . Installation ....................... \ v. .... ........ \ . F ” The SHERWIN-WILLIAMS COMPANY, CLEVELAND,OHIO 441 15 HIGH PRESSURE SPRAY CANCAUSE SERIOUS INJURY. FOR PROFESSIONAL USE ONLY OBSERVE ALL WARNINGS. .. . Read and understandall instruction manuals before operating equipment. , FLUID lNJECTlON HAZARD ~ , .. .~, , - . .. ~.,.. ;., ~ "& $ ~ p ~ q %% ;q y : &A"YAr&.? Pressure Relief Procedure General Safety To reduce the risk of serious bodily injury, including fluid This pressure washer generates very high fluid injection and splashing in the eyes or on the skin, always pressure. Spray from the gun, leaks or ruptured components can inject fluid through your skin and intofollow this procedure whenever you stop spraying for more than 10 minutes, whenshutting down, and before your body, and cause extremely serious bodily injuq including the need for amputation. Also, fluid injected orchecking.or repairing any part of the system. splashed into the eyes or on the can skincause serious 1. Engage the trigger safety latch. damage. off. 2. .Turn the sprayer N N E R point the spray gun or wand at-anyone or at any part of the body.N W f R put hand or fingers over the 3. Remove theignition cable from the spark plug. spray tip. 4. Shut off the water supply. ALWAYS follow the Pressure Relief Procedure,before cleaning or selvicing any part of the sprayer. 5. Disengage the trigger safety latch and trigger the gun to relieve pressure, and then engage the trigger safety latch again. NEVER try to stop or deflect leaks with yourharid.or body. 6. Before long-term (overnight) storage or transporting of the unit, disconnect the water supply and turn Be sure equipment safety devices are operating off the fuel supply valve. properly before each use. Spray Gun Safety Devices Medical Treatment Be sure all gun safety devices are operating properly If any fluid appears to penetrate your skin, get before eachuse. Do not remove or modify any part of EMERGENCY MEDICAL TREATMENT AT ONCE.DO the gun; this can cause a malfunction and result in NOT TREAT ASA SIMPLE CUT. Tell the doctor exactly serious bodily injury. what fluid was injected. SAFETY LATCH: Whenever you stop spraying for a NOTE TO PHYSICIAN: lnjection in the skin is a moment, always set the gun safety latch in the engaged traumatic injuv. It is important to treat the injury or "safe" position, making the gun inoperative. Failure surgically as soon as possible. Do not delay in accidental to properly set the safety latch can result treatment to research toxicify roxicify is a concern triggering of the gun. with some exotic coatingsinjected directly intothe bloodstream. Consultation with a plastic surgeon or SPRAY TIP SAFETY: Use extreme caution when cleaning or changing spray tips. reconstnrctive hand surgeon may be advisable. _ . ? 2 . .. i '. . . 820- 180 EQUIPMENT MISUSEHAZARD General Safety System Pressure . . Any misuse of the pressure wisher or accesw)ries, such Bs overpressu~~n~, modifying using This sprayer can develop high operating pressures.Be sure that all spray equipment and accessories are rated incompatible chemicals and fluids, or using or to withstand the maximum working pressure of this damaged parts, can them to and exceed the working in fluid injection, splashing in the eyes or on the skin, or sprayer. other serious bodily injury, fire, explosion or property Pressure of any component or accessory usedin the damage. system. Do ' . NEVER alter or modw any part of this equipment; doing so could cause it to malfunction. CHECK all spray equipment regularly and repair or replace worn or damaged p m immediately. Chemical Compatibility BESURE that all chemicals usedin the chemical injector ALWAYS wear protective eyewear and appropriate are compatible with the wetted parts of the hose, gun, clothing. If using a chemical injector, read and follow the wand and tip, as given inthe Technical Data (inside back chemical manufacturer's literature for recommenda- cover). Always read the chemical manufacturer's tions on additional protective equipment, such as a. literature before using any chemicalin this pressure respirator. . . washer. HOSE SAFETY ' p J \i... (..?*, .<+>? -ui. High pressurefluid in the hoses can be very dangerous. NEVER use a damaged hose. Before eachuse, check entire hose for cuts;leaks, abrasion, bulging cover, or If the hose develops a leak, split or rupture due to any If any of damage or movement of the hose couplings. kind of wear, damage or misuse, the high pressure these conditions exist, replace the hose immediately. spray emittedfrom it can causea fluid injection injury or DO NOT try to recouple high pressure hose or mend it other serious bodily injury or property damage. with tape or any other device.A repaired hose cannot contain the high pressure fluid. A U FLUID HOSESMUST HAVE STRAIN RELIEFS ON BOTH ENDS. The strain reliefs help protect the hose from kinks or bends at or close to the coupling, which, HANDLEAND ROUTE HOSES CAREFULLY Do not pull can resultin hose rupture. on hoses to move the pressure washer. Do not use TlGHTENall fluid connections securely before each use. chemicals which are not compatible with the inner tube and cover of the hose. DO NOT expose Graco hoselo coupling or High pressure fluid can dislodge loose a temperatures above 200°F (93°C)or below -4OaF allow high pressure spray to be emitted from the (-40°C). coupling. FUEL ANDEMISSION HAZARDS NEVER fill the fuel tank while the unit is running or hot. odorless, invisible gas which can cause serious injury or The fuel used in this unit is combustible and when death if inhaled. spilled on a hot surface can ignite and cause a fire. ALWAYSfill tank slowly to avoid spilling. NW€R alter the throttle setting, which is factory set. NNER operate the unit in a closed building. The Tampering with this adjustment can damage the exhaust contains carbon monoxide, a poisonous, pressure washer and will void the warranty. 820-180 3 MOVING PARTS HAZARD Moving parts can pinch or amputate fingers or other and interiocks installed and functioning. Follow the body parts.K€€P CLEAR of moving parts when starting Pressure Relief Procedure before checking or to prevent discharging or operating the pressure washer. servicing the pressure washer high pressure fluid from the gun. NNER operate the pressure washer without all guards TERMS WARNING: Alerts user to avoid or correct conditions that could cause bodily injuty. .. . NOTE Identifies helpful procedures and information. CAUTION Alerts user to avoid or correct conditions to the equipment. that could cause damage IMPORTANT United States Government safely standards have been adopted under the Occupational Safety and Act. Health These standardsparticularly the General Standards, Part 1910, and the Construction Standards, Part 1926-should be consulted. 4 820 - 180 INSTALLATION COUPLER PRESSURE HOSE CONNECTION Figure 1 INLET WATER CONNECTION 314" GARDEN HOSE Check for Shipping Damage Connect to Water Supply Check the unit for any damage that may have occurred CAUTION In shipping. Notify the carrier immediately if there is Before attaching to the water supply, check your any damage. local plumbing code regarding cross- connection to the water supply. A backflow preventer, P/N Set Up 801-133, is available to prevent backflow 'of contaminated water into the fresh water supply. If youare using a downstream chemical injector, install Install it upstream from the pump. it between the pump unloader and the high pressure hose, using the quick couplers provided. If inlet water pressure is over60 psi (4.1 bar) a Connect the high pressure hose between the pump (or regulating water valve, P/N 800-258,must be installed at the garden hose connection. chemical injector) outlet and the gun inlet. of Both these connections are made with quick couplers. Do not exceed 160°F (70°C) inlet water temperature. CAUTION Up to 100 ft (30 m) of high pressure hose may be used. Longer hoses may affect sprayer 3/4ainch (19 mm) ID from Connect a hose with at least performance, and chemical injector performance, the water supplyto the unit's314 inch garden hose inlet. t';:J fi.!?.!, 2 The supply hose should not be more than 50 ff (15 m) long. Install the appropriate spray tip on the wand. See Installing and Changing Spray Tips. If you are using aNOTE: The water source at the unit must have a sandblaster kit, seeits separate manual for installation minimum flow rate equal to that of the unit(see Technical instructions. Data, inside back cover). 820- 180 5 STARTUP Always usethis startup procedureto ensure that the unit is started safelyand properly. 1. Check oil levels. Engine: Add SAE30 or low30weight detergent oil as necessary. Pump: Add SAE 20 or 30 weight non-detergent oil as necessary. NOTE This unitis equipped with a low-oil sensor that shuts the engineoff if the oil level falls below a certain level. If the unit stops unexpectedly, check both the oil and the fuel levels. Check oil the level each time the una is refueled. 2. Check fuel level. WARNING DO NOT refuel a hot engine. Refueling a hot engine could cause a fire.Use only fresh, clean regular or unleaded gasoline. Close the fuel shutoff valve during refueling. If the engineis cold, completely close the engine choke. Grasp the starter rope, brace one foot on the pressure washer chassis and pull rope rapidly and firmly. Continue holding the rope as it returns. Pull and return the rope until the enginestarts. In cool weather, the choke may haveto be kept closed for10 to 30 seconds before opening it to keep the engine running. Otherwise, open the choke as soon as the engine starts. ifthe engine is warm, leave the choke open, or just partly close Start the engine as describedin the preceding paragraph. When it starts, be sure to open the choke completely. it. CAUTION On recoil start engines, never let the starter rope return by itself.It could jam the recoil system. 7. ALWAYS engage the gun's trigger safety latch whenever you stop spraying, even for a moment, to reduce the risk offluid injectionor splashing in the eyes oron the skinif the gun is bumped or triggered accidentally. 8. ALWAYS observe the following CAUTIONS to avoid costly damageto the pressure washer. completely turned on sure before I will Cresult.AAlways U be T the Ioperating. water O supply N is 1 CAUTION DOfiOTallowthe pressure washertoidleformore than 10 minutes. Doing so may cause the recirculating water to overheat and seriously damage the pump. Turnoff the pressure washer if it will not be spraying or cleaning least at every 10 minutes. If heated inlet water is used, reduce this time further. 4. Trigger the gun until water sprays from the tip indicating that the airis purged from the system. 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. 3. Turn on thewater supply. Never run the unit dry. Costly damage to the pump 5. Open the fuel shutoff valve. Be sure the spark plug ignition cableis pushed fiirmly onto the spark plug. On those units equipped with an ignition shutoff switch, put the switch in the "on" position and put the throttlein the "run" position. 6. Start the engine. DO NOT operate the pressure washer with the inlet water screen removed. This screen helps keep abrasive sediment out of the pump, which could clog or scratch the pump. Keep this screen clean. DO NOT pump caustic materials; such materials may corrode the pump components. .... NOTE For easier starting, have one person start the 9. See the chemical injector or sandblaster kit manual pressure washer while another person triggers the for detailed cleaning informationif these accessospray gun. ries are used. 6 820-180 installing and Changing Spray Tips Trigger Safety Latch WARNING To reduce the risk of serious bodily injuly, including fluidinjection, splashing in the eyes or on the skin, ALWAYS engage the trigger safety latch whenever spraying stops, even for a moment. , I WARNING To reduce the risk of serious bodily injury, including fluid injection or splashingin the eyes or onto the skin, use extreme caution when changing spray tips. ALWAYS follow the procedure below. 1 . In the engaged position, the trigger safety latch prevents the gun from being triggered accidentally by hand iforit is dropped or bumped.Be sure the latch is pushed fully down when engagingit or 1 cannot prevent the gunfrom being triggered. . . . See Figure 2. 1. Follow the Pressure Relief Procedure: 2. Point the gun and wand away from yourself and anyone else. 3. Without holding your hahd over the spray tip (A), pull back the quick coupler ring (B). Remove the old tip andlor install a new one, and thenrelease the ring. See Figure 3. 4. Be sure the tip is secure before starting to spray again. 5. Tip holding holes are provided in the chassis. CAUTION To avoid blowing the o-ring out of the quick coupler, due to the high pressurein the system, TRIGGER SAFETY LATCH SHOWN ENGAGED TRIGGER SAFEPT LATCHSHOGN DISENGAGED Figure 2 020 -100 Figure 3 7 MAINTENANCE SHUTDOWN, FLUSHING AND STORAGE , . Observing regular maintenance intervals helps ensure that you get maximum petformance and life fromthe pressure washer. WARNING Pressure Relief Procedure There is a break-in period for the engine and pump. After changing the oil in these components following their respective break-in periods, the interval between required changesis longer. To reduce the' risk of serious bodily injury, including fluid injection and splashing inthe eyes, or on the skin, always follow this procedure whenever you stop spraying for more than10 minutes, when shutting down, and before checking or repairing any part of the system. 1. Engage the trigger safety latch. If the unit is operating in dusty conditions,. these maintenance checks should be made more often. " 1 2. Turn the sprayeroff. 3. Remove the ignition cable from the spark Plug. 4. Shut off the water supply. -. ...i .. WARNING I To reduce the risk of serious bodily injury, including fluid injection, splashing in the eyes or on the skin or injuty from moving palts, always follow the Pressure Relief Procedure Warning before proceeding. I I 5. Disengage the trigger safety latch and trigger Interval 6. Before long-term (overnight) storage or Daily Clean water inlet screen and filter. Check engine and pump oil levels. Fillas necessaty. Check gasoline level. Fill as necessary. the gun to relieve pressure, and then engage the trigger safety latch again. transporting of unit, disconnect the water supply, andturn off the fuel supply valve. 1. If the pressure washerwill be exposed to freezing temperatures, drain all water outof 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. NOTE An anti-freeze flush kit,P/N 802-327,is available to make flushing easier. CAUTION If water does freezein the pressure washer, thaw it in a warm room before trying to startDO it. NOT pour hot water on or into the pump; it may crack 2. After each use, wipe all surfaces of the pressure washer with a clean, damp cloth. 3. Perform the appropriate maintenance. See maintenance chart. After first 5 hours of operation What to do Change engine break-in oil. Drain oil when warm.Use SAE 30 or l o w 3 0 detergent oil. Each 25 hours Clean and remove air cleaner of operation foam. Wash with water and detergent. Dry thoroughly. Rub with oil and squeezeto distribute oil. After first50 hours of operation Change pump break-in oil. Use SAE 20 or 30 non-detergent oil. Each 100. Clean or replace paper air cleaner cartridge. Tap gentlyto remove dirt. Change engine oil. Use SAE30 or IOW-30 detergent oil. Each 500 hours of operation Dr 6 months SAE 20 Change pump oil. Use or 30 non-detergent oil. hours of operation or 3 months 820- 180 TROUBLESHOOTING CHART /.m .~&,. ,$,j,:,f;) ,.,. ,., ,,. .I ,. . WARNING 1 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. .. PROBLEM CAUSE Engine willnot stat?or No gasolinein fuel tank or carburetor. is hard to start Low oil StarVstOp switch in Stop position. Water in gasoline orold fuel. . "<. Choked improperly.Floodedengine. Dirty air cleaner filter. '. Spark plug dirty, wronggap type. . . or wrong Spray gun closed. SOLUTION Fill thetank with gasoline, openfuel shut offvalve. Check fuel line and carburetor. Add to proper level. Move switchto Start position. Drain fuel tank and carburetor. Use new fuel and dry spark plug. to clear Open choke and crank engine several times out gas. Remove and clean. Clean, adjust thegap or replace. Trigger spraygun. Engine missesor lacks Partially plugged air cleaner filter. Remove and clean. power Spark plug dirty, wrong gapor wrong type. Clean, adjust thegap orreplace. Low pressure andlor Worn or wrong size tip. pump NnS rough Inlet filter clogged. Wornpackings.abrasivesinwaterornatura1 wear. Inadequate water supply. Fouledordirtyinletordischargevalves.Even asmall particle can cause thevahre l o stick. Restricted inlet. Worn inlet or discharge valves. Leaking high pressure hose. Water leakage from underpumpmanifold Water in pump Worn packings, Replace withtip of proper size. Clean. Check more frequently, Check filter. Replace packings. See PUMP SERVICE. Check water flow rateto pump. Clean inlet and discharge valve assemblies. Check filter. See PUMP SERVICE. Check garden hose, may be collapsed or kinked. Replace worn valves. See PUMP SERVICE. Replace high pressure hose. Install new packings. See PUMP SERVICE. Humid air condensing inside crankcase. Change pump oil. Worn packings. Install new packings. See PUMP SERVICE. Dil seals leaking. Install new oil seals. See PUMP SERVICE. Frequent or premature Scored, damagedor worn plungers. hilure ofthe packings 4brasive materialin the fluid being pumped. nlet water temperature too high. 3verpressurizing pump. Install new plungers. See PUMP SERVICE. nstall proper filtration on pump inlet plumbing. :heck water temperature; may not exceed 16OOF. 30 not modify any factory-set adjustments. See EQUIPMENT MISUSEHAZARD. 5cessivepressureduetopartiallypluggedor :lean or replace tip. See Installing and Changing iamaged tip. spray lips. lump running too long without spraying. W e r run pump more than 10 minutes without ;praying. iunnina aumo d~~ 10not run pump without water. jtrong, surging at the 'oreign particles in the inlet or discharge :lean or replacevalves. See PUMP SERVICE. nletandlowpressureon 'dve or worn inlet andlor discharge valves. he discharge side ~ ~~~ ~ 9 PARTS DRAWING 820-175 Model 2800 Pressure Washer !. !. PARTS LIST 820-175 Model 2800 Pressure Washer REF PART NO. NO. DESCRIPTION GUNB~WhJDASSEMBLY 1 800-392 2 3, 4 5 6 7 8 801-504 181-867 802-363 801-1 11 179-885 803-900 802-127 91 10 11 12 13 14 15 16 17 18 820-137 100-527 804-391 801-539 801-568 802-579 801-569 111-040 803350 801-941 19 20 21 801-009 154-636 101-545 800-743 23 24 25 803-740 WHEEL 8 TIRE ASSEMBLY 803-741 AXLE 801-546 SCREW, Cap, hex hd. 318-16 X 1.25 100.023 WASHER, Flat, 3/8 154-494 O-RING, Quick Coupler,1/4 (not shown) 156-082 O-RING, Quick Coupler,3/8 (not shown) 1 22 26 27 28 . 820- 180 lincl. 17. 191 BUMPER,'Rubber LABEL, Warning LABEL. Caution NUT, Garden Hose LABEL, Wamin ENGINE, 9 hp, ondaOHV SCREW, Cap, hex hd.. 5/16-18~1.75 LABEL, ID . WASHER, Flat;5/16 LABEL, Model2800 BUMPER QUICK COUPLER,3/8 Male HOSE, High Pressure,3/8 x 50' COUPLING NUT. Nylon Lock,5/16-16 10 GUN, Spray (see308-511) SCREW, Cap. hex hd. 5/16-18 x 1 QUICK COUPLER. 114 Female WASHER, Flat,;5/8 COlTER PUMP- PIN ~ " 1 1 1 1 1 .31 ~ ' ~ 32 101-566 33 m 1 34 801-012 35 801-367 4 36 804-398 1 37 804-051 14 38 803-083 1 40 801-1 10 1 41 800-124 42 800-125 2 1 43 800-126 1 44 800-127 45 801-907 46 801-905 47 156-849 4 48 801-709 49 800-745 4 50 802-627 2 1 51 803-869 52 801-523 2 53 8ol~ios ' " 1 2A lincl. 13. 14.15) 54 804-397 55 .~ 801-090 56 801-599 57 801-600 58 801-601 59 801-602 N a Nylon LOck,'3/&16 CHASSIS GROMMET, Rubber BUMPER, Rubber BRACKn, Pump Support FILTEiUSTRAINER LABEL, Kee From Freezing ADAPTER, garden Hose RP ASSEMBLY, 0004 TIP ASSEMBLY, 1504 TIP ASSEMBLY, 2504 TIP ASSEMBLY, 4004 WASHER, Flat ADAPTER NIPPLE, Hex. 3/8 NPT . PLUG UNLOADER. Preset.2800 DSi NIPPLE, Hex, 318 NPT x 114 NPT HOSE, Bypa& NIPPLE. 112 NPTT.EE,l/2NpT-~ QTY 1 1 1 4 1 4 2 .1 1 1 1 1 1 1 1 1 1 2 1 1 1 THERMAL RELIEFVALVE QUICK COUPLER. 1/4 Male Bare, 0004-~~' TIF: Bare, 1504 TIP Bare.2504 TI+ Bare; 4004 e i 4 8 AR AR DESCRIPTION HANDLE FRONT LEG ASSEMBLY . 800-377 Hs""'. SEA SEMBLY I , ~ 29 803-925 30 .800-641 . .. ~~ 1 ' ~ PART NO. NO. 2 a ' REF ON ' 11 PARTS DRAWING 800-743 Pump Asse I I ,' I 81 82 / ,/ PARTS LIST 800-743 Pump Assembly REF PART NO. NO. 1 804-405 2 801-651 3 801-652 4 KIT123 5 KIT123 6 KIT 123 7 KIT123 8 KIT123 9 KIT 124 10 KIT124 11 KIT123 12 803-265 13 803-266 14 804406 15 803-268 16 804407 17 KIT23 18 804408 19 801459 22 804-409 23 804410 24 804-411 25 804-412 26 803-273 27 801-488 28 801-753 29 804413 DESCRIPTION HEAD, Pump SCREW WASHER O-RING SEAT, Valve VALVE SPRING CAGE, Valve O-RING CAP VALVE ASSEMBLY SCREW COVER, Bearing SPACER O-RING BEARING . 5 SEAL, Oil CRANKCASE DIPSTICK GUIDE, Piston ROD, Connecting O-RING COVER, Rear SCREW O-RING SCREW, Cap PIN Klt Repalr KR Part No. No. 23 801458 Oil Seal 123 804-402 17 SEAL.Oil 4 O-RING SEAT, Valve VALVE SPRING CAGE, Valve 7 8 124 804-403 Valve Cap 130 804404 Packing Assembly . DESCRIPTION WASHER RING, Anti-Extrusion O-RING PISTON WASHER NUT O-RING RETAINER, Packing RING, Intermediate PACKING PACKING RING, Head SCREW, Cap SCREW, Cap WASHER. WASHER RING, Retaining CRANKSHAFT BEARiNG O-RING SCREW WASHER FLANGE, Gas SEAL,Oil WASHER SCREW QN 3 3 3 3 3 3 1 1 1 1 1 1 1 1 4 4 1 1 4 4 Ref. No. Descrlpthx Valve Assembly 5 6 I I REF PART NO. NO. 1 30 804414 8 31 803-919 8 32 803-918 33 804415 34 803-921 35 803-920 40 KIT130 41 KIT 130 42 KIT 130 43 KIT130 44 KIT130 45 KIT 130 8 2 48 801484 1 47 801482 1 48 801485 2 49 801-483 75 804416 1 76 804417 1 77 804-418 3 7a 804-419 3 79 804420 1 80 801-469 1 81 804421 5 82 804-422 1 83 803-278 1 84 803-292 3 OM I:!* I VALVE ASSEMBLY 9 10 40 41 42 43 44 45 O-RING CAP O-RING OW._ 3 6 6 6 6 6' I I 6 6 6 1 RETAINER, Packing 1 RING, Intermediate 1 PACKING 1 PACKING 2 RING, Head 2 - Item 11 consistsof items 4 through 8. See Pump Assemblyillustration on previous page. 820- 180 13 -~ PUMP SERVICE WARNING To reduce the risk of serious bodily injury, including fluid injection, splashing In the eyes or on the skin, orinjury from moving parts, always follow the Pressure Relief Procedure Warning before proceeding. Servicing the Plungers NOTE: Plunger repair kt, 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 turns, using an MlOwrench. Push the plungertowards the crankcase to separate the plunger and retaining screw. NOTE The following metric wrenches are needed: M10, M13 and M30. Repair k B are available. Refer to the individual repair sections and the pump parts page 2. Remove the screw from the plunger and examine the O-ring. backupring and copper bearing/gasket for more details. For the best results, use all parts in the washer. Replace these parts,if necessary, usingkit kits. 801474. NOTE There aretwo different tool kits to aid in servicing the pump. P/N 800-298is used to ease installation of packings. P/N 800-271' includes the itemsin 800-298 and tools to aid in the removal of packing retainers. Valves NOTE For a set of six valves, order P/N8011172. 1. Remove the hex plug from the manifold using an M30'wrench. plug and replace 2. Examine the O-ring under the hex it if it is cut or distorted. .. ... - 3. Remove the valve assembly from the cavity; the assembly may come apart. 3. Remove the plunger and flinger from the plunger shaft. Clean, examine and replace parts as necessary. 4. Inspect the plunger shaft foroil leakage from the crankcase. If leaking is obvious, replace the oil seals. Otherwise, DO NOT remove these sealsas they cannot be reused. An oil seal kitis available to replace the seals. 5. tightly grease the flinger and oil seal,if it is being replaced, and replace themon the plunger shaft. Then install the plunger. the~outerend 6. Lightly grease the retaining screw and of the plunger.Place the washer, O-ringand backup ring around the screw and install the screw through the plunger. Torqueto 14.4 ft-lb (19.5Nm). 4. Install the new valve. Install the O-ring and hex plug; NOTE If you.plan to replace the packings, referto Servicing the V-Packings. torque to75 ft-lb (103 Nm). NOTE Retorque theplug after 5 hours of operation. Pumping Section 1. Remove the eight capscrews and lockwashers from the manifold using an M13 wrench. 7. Lubricate the outside of each plunger. Slide the to manifold onto the crankcase, being careful not damage the seals. 8. Install the capscrews and washers finger-tight. Torque the screwsto 21.7 ft-lb (29 Nm) following the tightening pattern (Figure 4). Uneven tightening 2. Carefully separate the manifold from the crankcase. may cause the manifold to bind or jam. NOTE It may be necessaryto tap the manifold lightly to loosen. with a soft mallet I 1 I C Keep the manifold properly aligned with the to avoid ceramic plungers when removing damage to the plunger or seals. 3. Carefully examine each plunger for any scoring or Figure 4 cracking and replaceas necessary. 14 820- 180 Servicing the V-Packings NOTE: There are two types of packing kits: oneis packings only, the other includes the packings, rings and retainers. 1. Remove the manifold as outlined in the Pumping Section. 2. manifold. &amine the o-ring-and replaceit fi 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. 5. Thoroughly cleanthe packing cavitiesand 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. II correct direction. Improperly installedparts will cause a malfunction. ~ ~ ~~ ~~ ~ .. 7. Reassemble the manifold as instructed in Servicing 4. Inspect all parts and replace as necessaty. the Plungers. ACCESSORIES (Must be purchased separately) DOWNSTREAM CHEMICAL INJECTOR KIT ANTI-FREEZE FLUSH KIT 802-327 For flushing system with 50% anti-freeze solution prior 800-1 17 For injecting harsh cleaning chemicals downstream to transporting or storing pressure washer in below from the pump. freezing temperatures. UPSTREAM CHEMICAL INJECTOR KIT 800-257 For injecting mild cleaning chemicals upstream the into pump. INLET PRESSURE REGULATOR 800-258 Regulates inlet water pressure to 60 psi (4 bar) maximum. BACKFLOW PREVENTOR 801-133 Prevent back-up of contaminated water into fresh supply. Install upstream of pump. TECHNICAL DATA Engine (air-cooled,4 cycle) 9 hp Honda OHV Gasoline Tank Capacity 6.2 quarts (6 liters) Model 800-638 Water Pump Maximum Working Pressure 2800 psi (196 bar) Water PumD Maximum Flow 3.5 aDm -. 113.2 . Ium) . . Inlet Hose Connection 3/4" garden hose (f) Weight 125 Ib (57 kg) Dimensions Length Width Height Maximum Inlet Water Temperature 160-F Wetted Parts High Pressure Hose Bypass Hose Pressure Washer (including fittings) 820- 180 36" (914mm) 21 " (533mm) 23.5" (597mm) (70°C) Acrylonitrile and Buna-N cover and tube Synthetic yam and EPDM Anodized aluminum, Aluminumor bronze alloys, Brass Copper, Nylon-PTFE composite, Ceramic, Buna-N on phenolic, 303, 304,and 316 Stainless steel, Polymide-12 thermoplastic, PTFE Carbon steel. Zinc plate, with or withoutyellow chromate PTFE isa registered bademarkof the DuPont Cornpaw. 15 THE SHERWIN-WILLIAMS WARRANTYAND DISCLAIMERS WARRANTY Graco warrantsall equipment manufactured by it and bearingits name to be free from defectsin materiil and workmanship on ths date of sale by an authorized Gram distributor to the original purchaseruse. forAs purchaser's sole remedy for breach of this,,!;,,;:? ) ranty, Graco will, for a period of twenty four months fmm the date of sale, repair or replace pad any of the equipment proven de;S:?:',- I tiie. This warranty appliesonlywhen the equipmentis installed, operated and maintained in accordance with Graco's written me ;', ommendations. !,, This warranty does not cover, and Graco shall be notliablefor, any malfunction, damage or wear causedfaulty by installation, mis;! application, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or substitution of non\. ... Graco component parts. Nor shall Graco be liable for malfunction. damage or wear caused by the incompatibility Graw with 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 defectiveto an authorizedGram distributor .' for verification of the claim. If the claimed defect is verified, Gracowill repair or replace freeof charge any defective parts. The If inspection of the equipment does not disclose any equipment wilt be returned to the original purchaser transportation prepaid. defect in material or workmanship. repairs wil be made ata reasonable charge, which charges may include the costs of pam, !. labor and transportation. .>. I, i;, fs I t.., . . DISCLAIMERS AND LIMITATIONS The t e n s ofthis warrantyconstlute purchaser's sole and exclusive remedy and & in lieu of any other warranties (express or implied), lncludlng warranty of merchantablllty or warranty of fitness for a partlcular purpose, and of any non-contractual liabilities, including product liabilities, based on negligence or strict liability. Everyform of liabilityfor direct, special or consequential damages or lossis expressly excluded and denied. In no case shall Graco's liabilityexceed the amount of the purchase price. Any action for breachof warranty mustbe brought within two (2) years of the dateof. sale. . ! .. ~ ... [i ;:: 1' EQUIPMENT NOT COVERED BY GRACO WARRANTY Graco makesno warranty, and disclaimsall implied warrantiesof merchantablllty and fitness for a partlcular purpose, with respect to accessories, equipment, materials, or components sold but not manufactured Gram. by These items sold. but not if any, of their manufacturer. Gracowill provide manufactured by Graco (such as engines, pumps, etc.) are subject to the warranty, purchaser with reasonable assistance in making any claim for breach of these warranties. .;:,>, " .,.. I;!. /.:L ." ' I l i c:'. I i; , .: ,,.. ,. ,.. i., . 1 .;,: ,, ,, The SHERWIN-WILLIAMS COMPANY, CLEVELAND,OHIO 44115 PRIMEDIN USA. 820-180 2-93 Revlsed2-93