2900PSI - Pressure washer Generac - Free user manual and instructions

USER MANUAL 2900PSI Generac

SAVE THIS MANUAL FOR FUTURE REFERENCE

Section 1 Introduction and Safety 1

Introduction ..................................... 1 Safety Rules .................................... 1 Safety Symbols and Meanings ........ 2

Section 2 General Information and

Section 4 Maintenance and

• Troubleshooting p. 10
• Maintenance Recommendations p. 10
• Maintenance Schedule p. 10
• Pump Oil p. 10
• Preventive Maintenance p. 10
• Engine Maintenance p. 11
• Service Spark Plug p. 12
• Storage p. 13
• Notes (000393) WARNING Operating, servicing and maintaining this equipment can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your equipment in a well-ventilated area and wear gloves or wash your hands frequently when servicing your equipment. For more information go to www.P65Warnings.ca.gov.Introduction and SafetyOwner’s Manual for Power Washer 1 p. 16

Section 1 Introduction and Safety

Introduction Thank you for purchasing a Generac Power Systems Inc. product. This unit has been designed to provide high performance, efficient operation, and years of use when maintained properly. Read this manual thoroughly and understand all of the instructions, cautions, and warnings before using this equipment. If any section of the manual is not understood, contact your nearest independent authorized service dealer or contact Generac Customer Service at 1-888-GENERAC (1-888-436-3722), or www.generac.com with any questions or concerns. The owner is responsible for proper maintenance and safe use of the equipment. Before operating, servicing or storing this power washer:

• Study all warnings in this manual and on the product carefully.

• Become familiar with this manual and the unit before use.

• Refer to the Assembly section of the manual for instructions on final assembly procedures. Follow the instructions completely. Save these instructions for future reference. ALWAYS supply this manual to any individual that will use this machine. The information in this manual is accurate based on products produced at the time of publication. The manufacturer reserves the right to make technical updates, corrections, and product revisions at any time without notice. Safety Rules The manufacturer cannot anticipate every possible circumstance that might involve a hazard. The warnings in this manual, and on tags and decals affixed to the unit are, there- fore, not all inclusive. If using a procedure, work method or operating technique that the manufacturer does not specifically recom- mend, verify that it is safe for others. Also make sure the procedure, work method or operating technique utilized does not render the equipment unsafe. Throughout this publication, and on tags and decals affixed to the generator, DANGER, WARNING, CAUTION and NOTE blocks are used to alert personnel to special instructions about a particular operation that may be haz- ardous if performed incorrectly or carelessly. Observe them carefully. Their definitions are as follows: NOTE: Notes contain additional information important to a procedure and will be found within the regular text of this manual. These safety warnings cannot eliminate the hazards that they indicate. Common sense and strict compliance with the special instruc- tions while performing the action or service are essential to preventing accidents. (000100a) WARNING Consult Manual. Read and understand manualcompletely before using product. Failure to completely understand manual and productcould result in death or serious injury. (000001) DANGER Indicates a hazardous situation which, if not avoided, will result in death or serious injury. (000002) WARNING Indicates a hazardous situation which, if not avoided,could result in death or serious injury. (000003) CAUTION Indicates a hazardous situation which, if not avoided,could result in minor or moderate injury.Introduction and Safety 2 Owner’s Manual for Power Washer Safety Symbols and Meanings Asphyxiation. Running engines produce carbon monoxide, a colorless, odorless, poisonous gas. Carbon monoxide, if not avoided, will result in death or serious injury.(000103) DANGER (000104) DANGER Electrocution. Water contact with a power source, if not avoided, will result in death or serious injury. (000105) DANGER Explosion and Fire. Fuel and vapors are extremely flammable and explosive. Add fuel in a well ventilated area. Keep fire and spark away. Failure to do so will result in death or serious injury. (000106b)Fluid Injection. This machine produces high-pressure fluid streams that can pierce skin. Fluid injection could result in death or serious injury. WARNING (000110) WARNING Risk of Fire. Hot surfaces could ignite combustibles, resulting in fire. Fire could result in death or serious injury. (000101) WARNING Vision Loss. Eye goggles are required to beworn when using this machine. Failure to weareye goggles could result in permanent vision loss. (000107) WARNING Hearing Loss. Hearing protection is recommended when using this machine. Failure to wear hearing protection could result in permanant hearing loss. (000108) WARNING Hot Surfaces. When operating machine, do not touch hot surfaces. Keep machine away from combustibles during use. Hot surfaces could result in severe burns or fire. (000109) WARNING Risk of Fire. Verify machine has properly cooled before installing cover and storing machine. Hot surfaces could result in fire. (000111) WARNING Moving Parts. Keep clothing, hair, and appendages away from moving parts. Failure to do so could result in death or serious injury. (000112) WARNING Risk of Falling. Use of machine creates wet areas and trip hazards. Be aware of work area conditions. A fall could result in death or serious injury. (000114) WARNING Risk of Falling. Do not use this machine or any components on elevated surfaces. Doing so can result in a fall, serious injury,or death. (000113) WARNING Recoil Hazard. Recoil could retract unexpectedlyif water pressure is not properly relieved from pump, creating kickback. Kickback could result in death or serious injury. (000100a) WARNING Consult Manual. Read and understand manualcompletely before using product. Failure to completely understand manual and productcould result in death or serious injury. (000115) WARNING Moving Parts. Do not wear jewelry when starting or operating this product. Wearing jewelry while starting or operating this product could result in death or serious injury. (000117c)Personal injury. Risk of fluid injection. Do not aim spray gun at people, animals, electrical devices, or fragile items. Keep outof reach of children. Failure to do socould cause death or serious injury. WARNING WARNING Environmental Hazard. Always recycle batteries at an official recycling center in accordance with all local laws and regulations. Failure to do so could result inenvironmental damage, death or serious injury.(000228) (000244) WARNING Personal Injury / Equipment Damage. Place wand in holster and verify that handle is locked into place before moving. Failure to do so could result in death, serious injury, or equipment damage.General Information and SetupOwner’s Manual for Power Washer 3

Section 2 General Information and Setup

Know Your Power Washer Read this manual thoroughly before assembling and operating this unit. Save this manual for future and immediate reference. Replacement owner’s manuals are available at www.generac.com. Emissions The United States Environmental Protection Agency (US EPA) (and California Air Resources Board (CARB), for engines/equip- ment certified to California standards) requires that this engine/equipment complies with exhaust and evaporative emissions stan- dards. Locate the emissions compliance decal on the engine to determine applicable stan- dards. For emissions warranty information, please reference the included emissions war- ranty. It is important to follow the maintenance specifications in the manual to ensure that the engine complies with the applicable emissions standards for the duration of the product’s life. Remove Contents from Carton

1. Open carton completely by cutting each

corner from top to bottom.

2. Remove and verify carton contents prior to

assembly. Carton contents should contain one each of the following:

• Parts Bag (includes): – Owner’s Manual – Owner’s Registration Card – Bag of Colored Nozzles – Funnel

3. Call Generac Customer Service at 1-888-

GENERAC (1-888-436-3722) with the unit model and serial number for any missing carton contents.

4. Record model, serial number, and date of

purchase on front cover of this manual. Assembly Call Generac Customer Service at 1-888- GENERAC (1-888-436-3722) for any assembly issues or concerns. Please have model and serial number available.

1. See Figure 2-1. Place handle (A) onto

handle supports (B). Push in latch buttons (C) and allow handle to slide into position. Button will lock handle into place. Figure 2-1. Insert Handle NOTE: It may be necessary to move the handle supports from side to side in order to align the handle so it will slide over the handle supports.

2. See Figure 2-2. Install hose hook.

Figure 2-2.Install Hose Hook (000100a) WARNING Consult Manual. Read and understand manualcompletely before using product. Failure to completely understand manual and productcould result in death or serious injury. (000100a) WARNING Consult Manual. Read and understand manualcompletely before using product. Failure to completely understand manual and productcould result in death or serious injury.

into spaces provided in handle. Figure 2-3. Insert Nozzles

4. See Figure 2-4. Attach siphon tube to

siphon tube connection (A). Figure 2-4. Attach Siphon Tube Add Engine Oil Unit is shipped with no oil in the engine. Add engine oil before starting. See Engine Oil Recommendations.

1. Place power washer on a level surface.

2. Verify oil fill area is clean.

3. Remove oil fill cap and wipe dipstick clean.

Figure 2-5. Remove Dipstick

4. Add recommended engine oil.

NOTE: Some units have more than one oil fill location. It is only necessary to use one oil fill point.

5. Thread dipstick into oil filler neck. Oil level

is checked with dipstick fully inserted.

6. See Figure 2-6. Remove dipstick and verify

oil level is within safe operating range. Figure 2-6. Safe Operating Range

7. Install oil fill cap/dipstick and hand-tighten.

Fuel Fuel requirements are as follows:

• Clean, fresh, unleaded gasoline.

• Minimum rating of 87 octane/87 AKI (91 RON).

• Up to 10% ethanol (gasohol) is acceptable.

• DO NOT use a gas oil mix.

• DO NOT modify engine to run on alternate fuels.

• Add a fuel stabilizer prior to storing.

1. Verify unit is OFF and cooled for a

minimum of two minutes prior to fueling.

2. Place unit on level ground in a well

3. See Figure 2-7. Clean area around fuel

cap and remove cap slowly.

4. Slowly add recommended fuel. Do not

NOTE: Allow spilled fuel to evaporate before starting unit.

(000105) DANGER Explosion and Fire. Fuel and vapors are extremely flammable and explosive. Add fuel in a well ventilated area. Keep fire and spark away. Failure to do so will result in death or serious injury. 000117General Information and Setup Owner’s Manual for Power Washer 5 Water Supply NOTE: DO NOT run unit without sufficient water supply. Failure to follow water supply requirements will void unit warranty. Water supply must meet the following requirements:

• DO NOT siphon standing water for the water supply.

• Water temperature must be less than 100°F (38ºC).

• Water supply hose length must not exceed 50 ft (15.2 m).

• Water must be greater than 3.8 gallons per minute (17.3 liters per minute) and no less than 30 psi (206.8 kPa).

• DO NOT use a one-way valve, vacuum breaker, or check valve in any part of the water supply. Connect Water Supply

1. Remove and discard shipping cap from

the pump water inlet.

2. Run water supply for 30 seconds prior to

connection to eliminate debris.

3. See Figure 2-8. Inspect inlet screen for

debris. Clean screen or replace as necessary. DO NOT run power washer if inlet screen is damaged or missing. Figure 2-8. Inspect Inlet Screen

4. See Figure 2-9. Connect water supply

hose to pump water inlet and hand- tighten.

Figure 2-9. Connect Water Supply Hose Connect High-Pressure Hose and Lance

1. See Figure 2-10. Connect lance to spray

gun and hand-tighten. Figure 2-10. Connect Lance

2. Place spray gun and nozzle extension into

3. See Figure 2-11. Connect high-pressure

hose to pump and hand-tighten. Figure 2-11. Connect High-Pressure Hose to Pump

4. See Figure 2-12. Connect high-pressure

hose to base of spray gun and hand- tighten. Figure 2-12. Connect High-Pressure Hose to Spray Gun

000122General Information and Setup6 Owner’s Manual for Power Washer Spray Gun Become familiar with spray gun trigger and locking system prior to use.

1. See Figure 2-13. With unit OFF, hold spray

gun and squeeze trigger to learn how trigger mechanism and locking system can be activated and deactivated. Figure 2-13. Spray Gun (typical)

2. Turn ON the water, and squeeze the

trigger to purge the pump system of air.

3. Verify spray gun is OFF with lock engaged

before starting power washer. Detergent Tank (if equipped) Power washer is shipped with siphoning tube and cap.

1. See Figure 2-14. Insert siphoning tube

through hole in cap. Figure 2-14. Siphoning Tube and Cap

2. Insert siphoning tube into detergent and

snap siphoning tube cap onto detergent tank. Nozzles

1. Select correct nozzle for task.

2. See Figure 2-15. Pull back quick–connect

collar and install nozzle.

3. Release quick-connect collar to secure

4. Verify nozzle is locked in place.

Figure 2-15. Insert Nozzle Blast Pressure Nozzle (Red) MAXIMUM - Higher pressure and lower flow for stubborn or hard to reach surface such as second story surfaces, paint removal, oil stains, rust removal or other stubborn substances (tar, gum, grease, wax, etc.). Clean Pressure Nozzle (Green) GENERAL - Medium pressure and medium flow for most all purpose cleaning such as home siding, brick patios, wood decks, driveways and sidewalks, garage floors, etc. Wash Pressure Nozzle (White) DELICATE - Lower pressure and higher flow for gentle cleaning of cars/trucks, boats, RV’s, patio furniture, lawn equipment, etc. Detergent Nozzle (Black) DETERGENT ONLY (BLACK), Only use power washer safe detergents/soaps to help break down stubborn dirt and grime on a variety of surfaces.

Operation and Use Questions Call Generac Customer Service at 1-888- GENERAC (1-888-436-3722) with questions or concerns about unit operation and maintenance. Before Starting Engine Unit is shipped with no oil in the crankcase. Add engine oil before starting. See Engine Oil Recommendations.

1. Verify engine oil level is correct.

2. Verify fresh fuel level is correct.

3. Verify all fittings and couplers are properly

4. Verify sufficient water supply is properly

5. Verify thermal relief valve is rotated and

6. Verify unit is secure on level ground, with

proper clearance and is in a well ventilated area. Prepare Power Washer for Use

1. Place unit on level ground, within the

specified clearance required.

2. Connect appropriate water supply.

Power Washer Placement for Use It is a violation of California Public Resource Code, Section 4442, to use or operate the engine on any forest-covered, brush-covered, or grass-covered land unless the exhaust system is equipped with a spark arrestor, as defined in Section 4442, maintained in effective working order. Other states or federal jurisdictions may have similar laws. Only operate power washer outdoors in a well ventilated area. Never operate power washer indoors, or in a confined space. Be aware of building openings and ventilation systems where exhaust may enter during use.

• Verify power washer is placed on level ground to avoid tipping during operation.

• Only use the unit outdoors. Verify exhaust gas does not enter a confined area through windows, doors, ventilation intakes.

• See Figure 3-1 Keep at least 5 ft (1.5 m) of clearance on all sides of power washer including overhead from dwellings and combustibles, when in use. Figure 3-1. Five Feet of Minimum Clearance Transporting/Tipping of the Unit Do not operate, store or transport the unit at an angle greater than 15 degrees. Power Washer Start-Up NOTE: DO NOT run power washer without a sufficient water supply turned ON. Damage to equipment resulting from failure to follow this instruction will void warranty.

1. Connect a sufficient water supply.

3. For cold engine, move choke lever (A) to

CLOSED position. Figure 3-2. Fuel Valve and Choke Asphyxiation. Running engines produce carbon monoxide, a colorless, odorless, poisonous gas. Carbon monoxide, if not avoided, will result in death or serious injury.(000103)DANGER (000110)WARNINGRisk of Fire. Hot surfaces could ignite combustibles, resulting in fire. Fire could result in death or serious injury. (000108)WARNINGHot Surfaces. When operating machine, do not touch hot surfaces. Keep machine away from combustibles during use. Hot surfaces could result in severe burns or fire.

(000244)WARNINGPersonal Injury / Equipment Damage. Place wand in holster and verify that handle is locked into place before moving. Failure to do so could result in death, serious injury, or equipment damage.

OPENCLOSEDOperation8 Owner’s Manual for Power Washer NOTE: For warm engine, verify choke lever is in OPEN position.

5. Relieve spray gun pressure.

6. Place foot on unit to secure unit from

movement when pulling recoil.

7. See Figure 3-4. Firmly grasp the recoil

handle. Pull slowly until resistance is felt. Then pull rapidly to start engine. After engine-start attempt, if engine fails to run, point spray gun in safe direction, and squeeze spray gun trigger to release high pressure. Figure 3-4. Engine Recoil

8. Return recoil handle slowly. DO NOT let

recoil snap back against recoil housing.

9. See Figure 3-2. When engine starts, slowly

move choke lever (A) to OPEN position as engine warms. If engine falters, move choke lever to CLOSE position, then to OPEN position.

• If engine fails to start after six pulls, move choke lever (A) to “OPEN” position, and repeat steps 6 through 9. Power Washer Shut Down IMPORTANT: Spray gun traps high-pressure water, even when engine is stopped and water is disconnected. Always point spray gun in safe direction, and squeeze spray gun trigger to release high-pressure. Engage trigger lock when not in use.

1. Release spray gun trigger.

2. Turn engine switch OFF.

3. Turn water supply OFF.

4. Squeeze spray gun trigger and release

high-pressure water.

5. Engage trigger lock.

Apply Detergent NOTE: DO NOT use caustic liquid with power washer. Use ONLY power washer safe detergents. Follow all manufacturer's instructions on the detergent label. OFF

(000101) WARNING Vision Loss. Eye goggles are required to beworn when using this machine. Failure to weareye goggles could result in permanent vision loss. (000113) WARNING Recoil Hazard. Recoil could retract unexpectedlyif water pressure is not properly relieved from pump, creating kickback. Kickback could result in death or serious injury. (000117c)Personal injury. Risk of fluid injection. Do not aim spray gun at people, animals, electrical devices, or fragile items. Keep outof reach of children. Failure to do socould cause death or serious injury. WARNING

(000106b) Fluid Injection. This machine produces high-pressure fluid streams that can pierce skin. Fluid injection could result in death or serious injury. WARNING (000110) WARNING Risk of Fire. Hot surfaces could ignite combustibles, resulting in fire. Fire could result in death or serious injury. (000108) WARNING Hot Surfaces. When operating machine, do not touch hot surfaces. Keep machine away from combustibles during use. Hot surfaces could result in severe burns or fire. (000106b) Fluid Injection. This machine produces high-pressure fluid streams that can pierce skin. Fluid injection could result in death or serious injury. WARNING (000106b) Fluid Injection. This machine produces high-pressure fluid streams that can pierce skin. Fluid injection could result in death or serious injury. WARNING (000117c) Personal injury. Risk of fluid injection. Do not aim spray gun at people, animals, electrical devices, or fragile items. Keep out of reach of children. Failure to do so could cause death or serious injury. WARNINGOperation Owner’s Manual for Power Washer 9 Apply detergent as follows:

1. Verify black detergent nozzle is installed.

2. Open detergent tank cap, if equipped.

3. Prepare detergent solution as required by

4. Depending on model, insert filter on end of

siphoning tube through hole in cap (supplied). NOTE: Verify siphoning tube and filter remain fully submerged in detergent while in use. NOTE: When inserting siphon tube into detergent tank, route tube to prevent muffler contact. Contact with muffler while in use can damage detergent siphoning tube.

5. Verify black detergent nozzle is installed.

NOTE: Detergent cannot be applied with high- pressure nozzle (White, Green or Red). Only use black nozzle with detergent.

7. Apply detergent to a dry surface. Start at

lower portion of area to be washed and work upward using long, even, overlapping strokes. IMPORTANT: Flush the detergent siphoning system after each use. Contact an authorized dealer or qualified service center with questions. Rinsing

1. Remove black detergent nozzle from

2. Select and install desired high-pressure

3. Point spray gun in safe direction and

squeeze trigger to flush remaining detergent from system.

4. Keep spray gun a safe distance from area

5. Spray gun may kick back when using high

pressure spray. To avoid injury, firmly grasp spray gun with both hands.

6. Apply a high-pressure spray to a small

area and then inspect surface for damage. If no damage is found, continue rinsing.

7. Start at top of area to be rinsed, working

down with same overlapping strokes as used for cleaning. Clean Detergent Siphoning Tube Flush detergent siphoning tube after each use before stopping the engine.

1. Place detergent siphoning tube/filter in

bucket of clean water.

2. Remove high-pressure nozzle from lance.

3. Select and install black detergent nozzle.

4. Flush for 1-2 minutes.

6. Point spray gun in a safe direction,

squeeze spray gun trigger to release retained high water pressure. Engage trigger lock. After Each Use DO NOT allow water to remain in unit for long periods of time. Sediments or minerals can deposit on pump parts and freeze pump. Follow these procedures after every use:

2. Turn water supply OFF.

3. Point spray gun in a safe direction, and

squeeze trigger to relieve trapped pressure.

5. Disconnect hoses from spray gun and

high-pressure outlet on pump. Drain water from hoses, spray gun, and lance. Use a rag to wipe off components.

6. Pull recoil handle approximately six times

to remove remaining liquid from pump.

7. Switch fuel valve to OFF.

8. Store unit in a clean, dry area.

NOTE: If storing for more than 30 days, seeStorage. Automatic Cool Down System (Thermal Relief) When power washer runs for 3-5 minutes without spray gun activation, circulating water in pump can reach a temperature sufficient to engage the thermal relief system. The pump is cooled by discharging water onto ground. (000112) WARNING Risk of Falling. Use of machine creates wet areas and trip hazards. Be aware of work area conditions. A fall could result in death or serious injury. (000114) WARNING Risk of Falling. Do not use this machine or any components on elevated surfaces. Doing so can result in a fall, serious injury,or death.Maintenance and Troubleshooting10 Owner’s Manual for Power Washer

Section 4 Maintenance and Troubleshooting

Maintenance Recommendations Regular maintenance will improve performance and extend engine/equipment life. Generac Power Systems, Inc. recommends that all maintenance work be performed by an Independent Authorized Service Dealer (IASD). Regular maintenance, replacement or repair of the emissions control devices and systems may be performed by any repair shop or person of the owner’s choosing. However, to obtain emissions control warranty service free of charge, the work must be performed by an IASD. See the emissions warranty. Power washer warranty does not cover items subjected to operator abuse or negligence. To receive full warranty value, operator must maintain power washer as instructed in this manual, including proper storage as detailed in Storage. NOTE: Call 1-888-GENERAC (1-888-436- 3722) with questions about component replacement. NOTE: All required service and adjustments should be each season, as detailed in Maintenance Schedule. Maintenance Schedule Follow maintenance schedule intervals, whichever occurs first according to use. NOTE: Adverse conditions will require more frequent service.

• Clean if clogged. Replace if perforated or torn.** Service more often under dirty or dustyconditions. Pump Oil DO NOT attempt any oil maintenance on pump. Pump is lubricated and sealed at factory. No additional maintenance is required for life of pump. Preventive Maintenance Dirt or debris can cause improper operation and equipment damage. Clean power washer daily or before each use. Keep area around and behind muffler free from combustible debris. Inspect all cooling air openings on power washer.

• Use a damp cloth to wipe exterior surfaces clean.

• DO NOT insert any objects through cooling air openings.

• Use a soft bristle brush to loosen caked on dirt, oil, etc.

• Use a vacuum to pick up loose dirt and debris. Inspect and Clean Inlet Screen Inspect inlet screen on pump water inlet. Clean clogged screen and replace screen if damaged. Inspect High-Pressure Hoses High-pressure hoses can develop leaks from wear, kinking, or abuse. Inspect hoses before each use. Inspect for cuts, leaks, abrasions, bulging, and damage or movement of couplings. If these conditions exist, replace hose immediately. NOTE: DO NOT repair high-pressure hose. Replace with hose that meets or exceeds maximum pressure rating of unit. Inspect Detergent Siphoning Tube Inspect filter on detergent tube and clean if clogged. Tube should fit tightly on barbed fitting. Examine tube for leaks or tears. Replace filter or tube if either is damaged. Inspect Spray Gun NOTE: Replace spray gun immediately if it fails any test steps. Figure 4-1.Test Spray Gun (typical)

1. Verify spray gun hose connection is

2. Squeeze and release trigger.

NOTE: Trigger should spring back into place and lock when released. First 5 Hours Change engine oil Every 8 Hours or Daily Inspect/clean water inlet screen*Inspect high-pressure hoseInspect detergent siphoning hose/filterInspect spray gun and assembly for leaksClean debrisInspect engine oil level Every 20 Hours or Every Season Change engine oil** Every 50 Hours or Every Season Inspect/clean air cleaner filter**Inspect muffler and spark arrestor* Every 100 Hours or Every Season Service spark plug 000123Maintenance and TroubleshootingOwner’s Manual for Power Washer 11 Nozzle Maintenance A pulsing sensation felt when squeezing spray gun trigger may be caused by excessive pump pressure. Typical causes of excessive pump pressure are nozzle clog or restriction. Immediately clean nozzle as follows:

1. Turn engine and water supply OFF.

NOTE: Keep high-pressure hose connected to pump and spray gun while system is pressurized.

2. Relieve spray gun water pressure.

3. Remove nozzle from lance.

5. See Figure 4-3. Remove lance from spray

gun and back flush thoroughly.

6. Install nozzle on lance.

7. Install lance on spray gun.

Figure 4-2.Remove Debris Figure 4-3.Back Flush Lance

8. Verify hose is connected to pump water

inlet, and high-pressure hose is connected to spray gun and pump.

11. Test power washer by operating with each

quick connect nozzle. Engine Maintenance Engine Oil Recommendations To maintain the product warranty, the engine oil should be serviced in accordance with the recommendations of this manual. For your convenience, Generac Maintenance Kits are available that include engine oil, oil filter, air filter, spark plug(s), a shop towel and funnel. These kits can be obtained from an Independent Authorized Service Dealer (IASD). Only high-quality detergent oils classified for service SJ or higher are recommended. DO NOT use special additives. Climate determines proper engine oil viscosity. See chart to select correct viscosity. Figure 4-4. Oil Viscosity

• Below 50°F (10°C) use of SAE 30 will result in hard start. ** Above 80°F (27°C) use of 10W30 may cause increased oil consumption. Inspect oil level more frequently. Inspect Engine Oil Level Inspect engine oil level prior to each use, or every 8 hours of operation.

1. Place power washer on a level surface.

2. Clean area around oil fill.

3. See Figure 4-5. Remove oil fill cap and

wipe dipstick clean. Figure 4-5. Engine Oil Fill

4. See Figure 4-6. Screw dipstick into filler

neck.Verify proper oil level on dipstick. Figure 4-6. Oil Level

5. Add recommended engine oil as

NOTE: Some units have more than one oil fill location. It is only necessary to use one oil fill point. (000106b)Fluid Injection. This machine produces high-pressure fluid streams that can pierce skin. Fluid injection could result in death or serious injury. WARNING

000116Maintenance and Troubleshooting 12 Owner’s Manual for Power Washer Change Engine Oil When using power washer under extreme, dirty, dusty conditions, or in extremely hot weather, change oil more frequently. NOTE: Don’t pollute. Conserve resources. Return used oil to collection centers. Change oil while engine is still warm from running, as follows:

1. Place power washer on a level surface.

2. Disconnect the spark plug wire from the

spark plug and place the wire where it cannot contact spark plug.

3. Clean area around oil fill, and oil drain

4. Remove oil fill cap.

5. See Figure 4-7. Remove oil drain plug (A)

and drain oil completely into a suitable container.

6. Install oil drain plug and tighten securely.

7. See Figure 4-6. Slowly pour oil into oil fill

opening until oil level is between L and H marks on dipstick. DO NOT overfill.

8. Install oil fill cap, and finger tighten.

9. Wipe up any spilled oil.

10. Properly dispose of oil in accordance with

all applicable regulations. Figure 4-7.Oil Drain Plug Air Filter Engine will not run properly and may be damaged if run with a dirty air cleaner. Service air cleaner more frequently in dirty or dusty conditions. To service air cleaner:

1. Remove air cleaner cover.

damaged. To order replacements, contact Generac Customer Service at 1-888- GENERAC (888-436-3722) for the name of your nearest Independent Authorized Service Dealer.

4. Clean foam filter element in warm soapy

water. Rinse, and allow to dry thoroughly. Dip in clean engine oil and squeeze out excess oil.

5. Tap paper filter element several times on

hard surface to remove dirt. Compressed air (not exceeding 30 psi (207 kPa) can also be used to blow through filter element from the inside.

6. Use a clean, damp cloth to wipe dirt from

inside air cleaner cover.

7. Put cleaned or new filter element(s) in

place. Verify gasket is in place (if equipped).

8. Install air cleaner cover. Tighten air

cleaner screws or fasteners securely. Service Spark Plug To service spark plug:

1. Clean area around spark plug.

2. Remove and inspect spark plug.

3. See Figure 4-8. Inspect electrode gap with

wire feeler gauge and replace spark plug if gap (A) is not within specification listed on Product Specifications Sheet. Figure 4-8. Spark Plug NOTE: Replace spark plug if electrodes are pitted, burned or porcelain is cracked. Use ONLY recommended replacement plug. See Product Specifications Sheet.

4. Install spark plug finger tight, and tighten

an additional 3/8 to 1/2 turn using spark plug wrench. Inspect Engine Spark

1. Disconnect spark plug wire from spark

2. Secure spark plug wire where it cannot

3. Test spark plug with approved spark plug

tester. NOTE: DO NOT inspect for spark with spark plug removed. Inspect Muffler And Spark Arrestor NOTE: It is a violation of California Public Resource Code, Section 4442, to use or operate the engine on any forest-covered, brush-covered, or grass-covered land unless the exhaust system is equipped with a spark arrestor, as defined in Section 4442, maintained in effective working order. Other states or federal jurisdictions may have similar laws.

000134a (000102) WARNING Accidental Start-up. Disconnect spark plug wire when working on unit. Failure to do so could result in death or serious injury.Maintenance and Troubleshooting Owner’s Manual for Power Washer 13 NOTE: Call 1-888-GENERAC (1-888-436- 3722) with questions about component replacement. NOTE: Use ONLY original equipment replacement parts. Inspect muffler for cracks, corrosion, or other damage. Remove spark arrestor, if equipped, inspect for damage or carbon blockage. If replacement parts are required. Inspect Spark Arrestor Screen (if equipped)

perforated or otherwise damaged.

• Spark Arrestor P/N 0K1851

4. If screen is not damaged, clean it with a

commercial solvent and replace. Figure 4-9. Heat Shield Fasteners Figure 4-10. Spark Arrestor Fasteners Storage General

• DO NOT place a storage cover on a hot power washer. Allow unit to cool to room temperature before storage.

• DO NOT store fuel from one season to another unless properly treated.

• Replace fuel container if rust is present. Rust in fuel will cause fuel system problems.

• Cover unit with a suitable protective, moisture resistant cover.

• Store unit in a clean and dry area.

• Always store power washers and fuel away from heat and ignition sources. Prepare Fuel System for Storage Fuel stored over 30 days can go bad and damage fuel system components. Keep fuel fresh, use fuel stabilizer. If fuel stabilizer is added to fuel system, prepare and run engine according to Power Washer Start-Up. Run engine for 2 minutes to circulate stabilizer throughout fuel system. Adequately prepared fuel can be stored up to 24 months. NOTE: If fuel has not been treated with fuel stabilizer, it must be drained into an approved container. Run engine until it stops from lack of fuel. Use of fuel stabilizer in fuel storage container is recommended to keep fuel fresh. Prepare Engine for Storage

1. Change engine oil.

engine oil or spray a suitable fogging agent into cylinder.

4. Pull starter recoil several times to

distribute oil in cylinder.

5. Install spark plug.

6. Pull recoil slowly until resistance is felt.

This will close valves so moisture cannot enter engine cylinder. Gently release recoil. (000108) WARNING Hot Surfaces. When operating machine, do not touch hot surfaces. Keep machine away from combustibles during use. Hot surfaces could result in severe burns or fire.

(000105) DANGER Explosion and Fire. Fuel and vapors are extremely flammable and explosive. Add fuel in a well ventilated area. Keep fire and spark away. Failure to do so will result in death or serious injury. (000109) WARNING Risk of Fire. Verify machine has properly cooled before installing cover and storing machine. Hot surfaces could result in fire.Maintenance and Troubleshooting 14 Owner’s Manual for Power Washer Change Oil Change engine oil before storage. See Change Engine Oil. Prepare Pump for Storage NOTE: If not using power washer for more than 30 days, prepare engine and pump for storage. Protect unit from freezing temperatures. Failure to do so will permanently damage pump and render unit inoperable. Freeze damage is not covered under warranty. Protect unit from freezing temperatures as follows:

2. Turn fuel valve to OFF.

3. Turn water supply OFF.

4. Point spray gun in a safe direction, and

squeeze trigger to relieve trapped pressure.

6. Disconnect hoses from spray gun and

high-pressure outlet on pump. Drain water from hoses, spray gun, and lance. Use a rag to wipe off components.

7. Empty pump of all remaining liquids.

8. Pull recoil handle approximately six times

to remove remaining liquid from pump.

9. Winterize pump with Generac Pump

Shield™ (P/N 0L2414). This minimizes freeze damage and lubricates pistons and seals. NOTE: If Generac Pump Shield™ is not available, connect a 3 ft (1 m) section of garden hose to water inlet adapter. Pour RV- antifreeze (alcohol free antifreeze) into hose. Pull recoil handle twice. Disconnect hose. Store unit in a clean and dry area.Maintenance and Troubleshooting Owner’s Manual for Power Washer 15 Table 4-1. Troubleshooting Problem Cause Correction Pump fails to produce pressure, has erratic pressure, chattering, loss of pressure, low water volume.

2. Water inlet is obstructed.

3. Inadequate water supply.

4. Inlet hose kinked or

5. Clogged hose inlet screen.

6. Water supply is over 100ºF

7. High-pressure hose is

obstructed, or leaks.

9. Nozzle is obstructed.

1. Replace with high-pressure

3. Provide adequate water

4. Straighten inlet hose, patch

5. Inspect and clean inlet

6. Provide cooler water

7. Clear obstructions or

Authorized Service Dealer. Detergent fails to mix with spray.

1. Detergent siphoning tube is

filter is obstructed or cracked.

3. High-pressure nozzle

tube into detergent.

3. Install low-pressure nozzle.

Engine runs well at no-load, but bogs down when load is applied. Engine speed too low. Contact Independent Authorized Service Dealer. Engine will not start, or starts and runs rough.

7. Excessively rich fuel

8. Choke in ON position.

3. Replace with fresh fuel.

4. Connect wire to spark plug.

Authorized Service Dealer.

8. Set choke to OFF position.

Engine shuts down during operation. Out of fuel. Fill fuel tank. Engine lacks power. Dirty air filter. Replace air filter.16 Owner’s Manual for Power Washer NotesOwner’s Manual for Power Washer 17Part No.0L5053 Rev. B 01/18/2018 ©2018 Generac Power Systems, Inc. All rights reserved Specifications are subject to change without notice. No reproduction allowed in any form without prior written consent from Generac Power Systems, Inc. Generac Power Systems, Inc. S45 W29290 Hwy. 59 Waukesha, WI 53189 1-888-GENERAC (1-888-436-3722) www.generac.comMODELO: __________________________ SERIE: _____________________________