Generac E-Start G0071430 Manuel utilisateur

SAVE THIS MANUAL FOR FUTURE REFERENCE

Power Washer

Owner’s Manual

006442

MODEL:________________________

SERIAL:________________________

DATE PURCHASED:______________

Register your Generac product at:

register.generac.com

1-888-922-8482

Table of Contents

Section 1 Introduction and Safety 1

Introduction ..................................... 1

Safety Rules .................................... 1

Safety Symbols and Meanings ........ 2

Section 2 General Information and

Setup .............................................. 3

Know Your Power Washer .............. 3

Emissions ........................................ 3

Remove Contents from Carton ....... 3

Assembly ......................................... 3

Add Engine Oil ................................ 4

Fuel ................................................. 4

Water Supply ................................... 5

Connect Water Supply .................... 5

Connect High-Pressure Hose and

Lance .............................................. 5

Spray Gun ....................................... 6

Nozzles ........................................... 6

Section 3 Operation ...................... 7

Operation and Use Questions ......... 7

Before Starting Engine .................... 7

Prepare Power Washer for Use ...... 7

Electric Start .................................... 8

Power Washer Start-Up .................. 8

Power Washer Shut Down .............. 9

Apply Detergent .............................. 9

Rinsing ............................................ 9

Clean Detergent Siphoning Tube .... 9

Automatic Cool Down System

(Thermal Relief) ............................ 10

Section 4 Maintenance and

Troubleshooting ..........................11

Maintenance ..................................11

Maintenance Schedule ..................11

Pump Oil ........................................11

Preventive Maintenance ................11

Engine Maintenance ......................12

Service Spark Plug ........................13

Maintaining the Battery ..................14

Storage ..........................................15

(000393a)

WARNING

CANCER AND REPRODUCTIVE HARM

www.P65Warnings.ca.gov.

Introduction and Safety

Owner’s Manual for Power Washer 1

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.

If any section of the manual is not understood,

contact your nearest Independent Authorized

Service Dealer (IASD), or contact Generac

Customer Service at 1-888-GENERAC (1-

888-436-3722), or http://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 manual

completely before using product. Failure to

completely understand manual and product

could 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 be

worn when using this machine. Failure to wear

eye 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 unexpectedly

if 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 manual

completely before using product. Failure to

completely understand manual and product

could 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 out

of reach of children. Failure to do so

could cause death or serious injury.

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 in

environmental 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 Setup

Owner’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:

•Main Unit

• Handle Assembly

• High-pressure Hose

• Spray Gun

•Lance

• Gun Hook and Tree Clips

•Oil

• Hose Hook Wireform

• Battery

• Battery Charger

• Parts Bag (includes):

– Owner’s Manual

– Bag of Colored Nozzles

– Register your product at https://reg-

ister.generac.com/

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 manual

completely before using product. Failure to

completely understand manual and product

could result in death or serious injury.

(000100a)

WARNING

Consult Manual. Read and understand manual

completely before using product. Failure to

completely understand manual and product

could result in death or serious injury.

001617

A

B

C

001622

General Information and Setup

4 Owner’s Manual for Power Washer

3. See Figure 2-3. Install gun hook (A) on

right (back) side of handle. Secure with

tree clip (B).

Figure 2-3. Install Gun Hook

4. See Figure 2-4. Insert and snap nozzles

into spaces provided in handle.

Figure 2-4. Insert Nozzles

5. See Figure 2-5 to install battery.

Figure 2-5. Install Battery

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 2-6. 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 2-7. Remove dipstick and verify

oil level is within safe operating range.

Figure 2-7. 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 E85.

• 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

ventilated area.

3. See Figure 2-8. Clean area around fuel

cap and remove cap slowly.

4. Slowly add recommended fuel. Do not

overfill.

A

B

006459

001621001621

006214

000115

000116

(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.

General Information and Setup

Owner’s Manual for Power Washer 5

.

Figure 2-8. Add Recommended Fuel

5. Install fuel cap.

NOTE: Allow spilled fuel to evaporate before

starting unit.

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 2-9. Inspect inlet screen for

debris. Clean screen or replace as

necessary. DO NOT run power washer if

inlet screen is damaged or missing.

Figure 2-9. Inspect Inlet Screen

4. See Figure 2-10. Connect water supply

hose to pump water inlet and hand-

tighten.

.

Figure 2-10. Connect Water Supply Hose

Connect High-Pressure Hose

and Lance

1. See Figure 2-11. Connect lance to spray

gun and hand-tighten.

Figure 2-11. Connect Lance

2. Place spray gun and nozzle extension into

spray gun holder.

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

hose to pump and hand-tighten.

Figure 2-12. Connect High-Pressure Hose

to Pump

4. See Figure 2-13. Connect high-pressure

hose to base of spray gun and hand-

tighten.

006443

006215

006216

000120

006217

General Information and Setup

6 Owner’s Manual for Power Washer

Figure 2-13. Connect High-Pressure Hose

to Spray Gun

Spray Gun

Become familiar with spray gun trigger and

locking system prior to use.

1. See Figure 2-14. With unit OFF, hold spray

gun and squeeze trigger to learn how

trigger mechanism and locking system can

be activated and deactivated.

Figure 2-14. 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.

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

nozzle.

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.

000122

000123

000125

001396

001398

001399

001400

Operation

Owner’s Manual for Power Washer 7

Section 3 Operation

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

secured.

4. Verify sufficient water supply is properly

connected.

5. Verify thermal relief valve is rotated and

open to ground.

6. Verify unit is secure on level ground, with

proper clearance and is in a well ventilated

area.

NOTE: The Lithium-ion battery comes partially

charged from the factory. Some batteries may

not have enough energy to start the engine

initially. Charge the battery fully before the

initial use. To charge the battery, see

Maintaining the Battery.

NOTE: The engine has a special feature that

does not require manually adjusting the

choke.

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.

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)

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.

001643

(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.

Operation

8 Owner’s Manual for Power Washer

Electric Start

NOTE: The battery must be installed before

Electric Start operation. For initial battery

installation, see Assembly.

This power washer is equipped with both

electric start and recoil start capabilities. Avoid

prolonged cranking as it can damage the

engine. To extend the life of the starter, use

short starting cycles (no longer than 5

seconds). Wait 30 seconds between starting

cycles.

If the engine will not crank, the battery

temperature may be too hot. Remove the

battery and allow to cool before attempting to

start.

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.

Electric Start

1. Connect a sufficient water supply.

2. Push and hold the Start/Stop button for 3

seconds or until button illuminates to

energize starter system. See Figure 3-2.

Figure 3-2. Push Start/Stop Button

3. Hold trigger on spray gun while pushing

the Start/Stop button for 1 second to start

engine.

4. Release trigger on spray gun once engine

starts.

NOTE: For Electric Start, the battery may

require charging for the power washer to start.

See Maintaining the Battery. If the start button

fails to start the engine, the power washer can

be started with the recoil start.

Recoil Start

1. Connect a sufficient water supply.

2. Relieve spray gun pressure.

3. Place foot on unit to secure unit from

movement when pulling recoil.

4. Hold trigger on spray gun while firmly

grasping the recoil handle. Pull slowly until

resistance is felt. Then pull rapidly to start

engine. See Figure 3-3.

5. Return recoil handle slowly. DO NOT let

recoil snap back against recoil housing.

After engine-start attempt, if engine fails to

run, point spray gun in safe direction, and

squeeze spray gun trigger to release high

pressure. Repeat steps 3 through 5.

Figure 3-3. Engine Recoil

(000101)

WARNING

Vision Loss. Eye goggles are required to be

worn when using this machine. Failure to wear

eye goggles could result in permanent

vision loss.

006220

(000113)

WARNING

Recoil Hazard. Recoil could retract unexpectedly

if 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 out

of reach of children. Failure to do so

could cause death or serious injury.

WARNING

006220

(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.

Operation

Owner’s Manual for Power Washer 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. Push Start/Stop button for 1 second.

3. Turn water supply OFF.

4. Squeeze spray gun trigger and release

high-pressure water.

5. Engage trigger lock.

NOTE: If Start/Stop button fails to shut down

engine, press and hold the emergency stop

switch on side of engine for 6 seconds or until

the engine stops completely. See Figure 3-4.

Figure 3-4. Emergency Stop Switch

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.

Apply detergent as follows:

1. Verify black detergent nozzle is installed.

2. Open detergent tank cap.

3. Prepare detergent solution as required by

job.

NOTE: Verify siphoning tube and filter remain

fully submerged in detergent while in use.

NOTE: Detergent cannot be applied with high-

pressure nozzle (White, Green or Red). Only

use black nozzle with detergent.

4. Start engine.

5. 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

lance.

2. Select and install desired high-pressure

nozzle.

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

you plan to spray.

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.

5. Shut engine OFF.

6. Point spray gun in a safe direction,

squeeze spray gun trigger to release

retained high water pressure. Engage

trigger lock.

(000106b)

Fluid Injection. This machine produces

high-pressure fluid streams that can pierce

skin. Fluid injection could result in death or

serious injury.

WARNING

006220

(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.

WARNING

(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.

Operation

10 Owner’s Manual for Power Washer

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:

1. Shut engine OFF.

2. Turn water supply OFF.

3. Point spray gun in a safe direction, and

squeeze trigger to relieve trapped

pressure.

4. Let engine cool.

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. 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.

Maintenance and Troubleshooting

Owner’s Manual for Power Washer 11

Section 4 Maintenance and Troubleshooting

Maintenance

Regular maintenance will improve perfor-

mance 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. 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 dusty

conditions.

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

secure.

2. Squeeze and release trigger.

First 5 Hours

Change engine oil

Every 8 Hours or Daily

Inspect/clean water inlet screen*

Inspect high-pressure hose

Inspect detergent siphoning hose/filter

Inspect spray gun and assembly for leaks

Clean debris

Inspect 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

Replace fuel filter

000123

Maintenance and Troubleshooting

12 Owner’s Manual for Power Washer

NOTE: Trigger should spring back into place

and lock when released.

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.

4. See Figure 4-2. Use a paper clip to remove

debris.

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.

9. Turn water ON.

10. Start engine.

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, maintenance kits designed and

intended for use on this product are available

from the manufacturer 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).

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.

(000106b)

Fluid Injection. This machine produces

high-pressure fluid streams that can pierce

skin. Fluid injection could result in death or

serious injury.

WARNING

000109

000131

000130

SAE 30*

5W-30

10W-30**

000115

Maintenance and Troubleshooting

Owner’s Manual for Power Washer 13

Figure 4-6. Safe Operating Range

5. Add recommended engine oil as

necessary.

6. Replace oil fill cap and hand-tighten.

NOTE: Some units have more than one oil fill

location. It is only necessary to use one oil fill

point.

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

plug.

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.

2. Remove filter element(s).

3. Inspect filter element(s) and replace if

damaged. To order replacements, contact

Generac Customer Service at 1-888-

GENERAC (888-436-3722) for the name

of your nearest IASD.

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.

000116

006444

000134a

A

Maintenance and Troubleshooting

14 Owner’s Manual for Power Washer

Inspect Engine Spark

1. Disconnect spark plug wire from spark

plug.

2. Secure spark plug wire where it cannot

contact spark plug.

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.

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)

4. See Figure 4-9. Loosen fasteners and

remove spark arrestor from muffler.

5. Inspect spark arrestor. Replace if torn,

perforated or otherwise damaged.

• Spark Arrestor P/N 10000018388

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

commercial solvent and replace.

Figure 4-9. Spark Arrestor Fasteners

Maintaining the Battery

Check the charge of the battery by pressing

the Battery Powerbar™ button. A minimum of

2 illuminated LED lights are required to start

the engine. See Figure 4-10.

Figure 4-10. Battery Powerbar™ Button

Charge the Battery

NOTE: The 12V Lithium-ion battery provided

should be used only with the battery charger

supplied with the power washer (P/N:

10000020284).

1. Remove battery from box. See Figure 4-11.

Figure 4-11. Remove Battery

2. Plug battery charger into a 120V, 60Hz,

AC receptacle only. The green “READY”

LED on the charger will illuminate.

3. Slide battery into charger bay. The red

“CHARGING” LED will illuminate to

indicate charging.

(000102)

WARNING

Accidental Start-up. Disconnect spark plug wire when

working on unit. Failure to do so 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.

006444

006467

006214

Maintenance and Troubleshooting

Owner’s Manual for Power Washer 15

4. When battery is fully charged, the green

“READY” LED will illuminate. Remove

battery from charger.

NOTE: A completely discharged battery will

fully charge in approximately 1.5 hours. The

battery will stay fully charged if left on the

charger with no damage to the battery. The

battery needs to be replaced if the green

“READY” LED does not illuminate after 3

hours of charging. See Replace the Battery.

5. Return battery to box and close the lid for

use.

6. Unplug battery charger from receptacle

when not in use.

Replace the Battery

Contact your nearest Independent Authorized

Service Dealer (IASD), or contact Generac

Customer Service at 1-888-GENERAC (1-

888-436-3722), for battery replacement.

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.

2. Remove spark plug.

3. Pour a tablespoon (5-10cc) of clean

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.

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:

1. Shut engine OFF.

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.

5. Let engine cool.

(000162)

WARNING

Explosion. Do not dispose of batteries in a fire. Batteries

are explosive. Electrolyte solution can cause burns and

blindness. If electrolyte contacts skin or eyes, flush with water

and seek immediate medical attention.

(000163a)

WARNING

Risk of burn. Do not open or mutilate batteries.

Batteries contain electrolyte solution which can

cause burns and blindness. If electrolyte contacts

skin or eyes, flush with water and seek immediate

medical attention.

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 in

environmental damage, death or serious injury.

(000228)

(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

16 Owner’s Manual for Power Washer

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.

Prepare Battery and Charger for

Storage

When not in use, disconnect battery charger

and store in a cool, dry area. Wet, damp areas

cause corrosion of terminals and electrical

contacts. If stored for long periods in high

temperatures (110°F), permanent damage to

the battery can result. Check electrical

terminals and contacts on the battery and

charger. Wipe with clean, dry cloth or blow

clean with compressed air.

After storage, check the charge of the battery

by pressing the Battery Powerbar™ button. A

minimum of 2 illuminated LED lights are

required to start the engine. See Maintaining

the Battery.

Maintenance and Troubleshooting

Owner’s Manual for Power Washer 17

Troubleshooting

Problem Cause Correction

Pump fails to produce

pressure, has erratic pressure,

chattering, loss of pressure,

low water volume.

1. Low pressure nozzle

installed.

2. Water inlet is obstructed.

3. Inadequate water supply.

4. Inlet hose kinked or

leaking.

5. Clogged hose inlet screen.

6. Water supply is over 100ºF

(37.8ºC).

7. High-pressure hose is

obstructed, or leaks.

8. Spray gun leaks.

9. Nozzle is obstructed.

10. Pump is faulty.

11. Dirty fuel filter.

1. Replace with high-pressure

nozzle.

2. Clean inlet.

3. Provide adequate water

flow.

4. Straighten inlet hose, patch

leak.

5. Inspect and clean inlet

hose screen.

6. Provide cooler water

supply.

7. Clear obstructions or

replace hose.

8. Replace spray gun.

9. Clean nozzle.

10. Contact IASD.

11. Replace fuel filter.

Detergent fails to mix with

spray.

1. Detergent siphoning tube is

not submerged.

2. Detergent siphoning tube/

filter is obstructed or

cracked.

3. High-pressure nozzle

installed.

1. Insert detergent siphoning

tube into detergent.

2. Clean or replace filter/

detergent siphoning tube.

3. Install low-pressure nozzle.

Engine runs well at no-load,

but bogs down when load is

applied.

1. Engine speed too low.

2. Dirty fuel filter.

1. Contact IASD.

2. Replace fuel filter.

Engine will not start, or starts

and runs rough.

1. Dirty air filter.

2. Out of fuel

3. Stale fuel.

4. Spark plug wire not

connected to plug.

5. Bad spark plug.

6. Water in fuel.

7. Excessively rich fuel

mixture.

8. Dirty fuel filter.

1. Clean or replace air filter.

2. Fill fuel tank.

3. Replace with fresh fuel.

4. Connect wire to spark plug.

5. Replace spark plug.

6. Drain fuel tank, replace

with fresh fuel.

7. Contact IASD.

8. Replace fuel filter.

Engine shuts down during

operation.

1. Out of fuel. 1. Fill fuel tank.

Engine lacks power. 1. Dirty air filter. 1. Replace air filter.

Engine will not electric start. 1. Battery has low power.

2. Battery is too hot.

3. Gun not triggered.

4. Debris in battery box.

1. Charge or replace battery.

2. Allow battery to cool.

3. Trigger gun while starting.

4. Remove debris.

Part No. 10000025895 Rev. C 10/09/2018

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.com

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