Murray Pressure Washer Operator's Manual

BRIGGS & STRATTON POWER PRODUCTS GROUP, LLC

JEFFERSON, WISCONSIN, U.S.A.

This pressure washer is rated in accordance to the Pressure

Washer Manufacturer’s Association (PWMA) standard PW101

(Testing and Rating Performance of Pressure Washers).

Manual No. 208882GS Revision A (01/14/2009)

2 www.murray.com

Briggs & Stratton Power Products Group, LLC
900 North Parkway
Jefferson, WI 53549

Copyright © 2009 Briggs & Stratton Power Products Group,
LLC. All rights reserved. No part of this material may be
reproduced or transmitted in any form by any means without
the express written permission of Briggs & Stratton Power
Products Group, LLC.

Thank you for purchasing this quality-built Briggs & Stratton pressure washer. We are pleased that you’ve placed your
confidence in the Murray brand. When operated and maintained according to the instructions in this manual, your Briggs &
Stratton pressure washer will provide many years of dependable service.

This manual contains safety information to make you aware of the hazards and risks associated with pressure washers and
how to avoid them. Because Briggs & Stratton does not necessarily know all the applications this pressure washer could be
used for, it is important that you read and understand these instructions thoroughly before attempting to start or operate this
equipment. Save these instructions for future reference.

This pressure washer requires final assembly before use. Refer to the Assembly section of this manual for instructions on
final assembly procedures. Follow the instructions completely.

Where to Find Us

You never have to look far to find Briggs & Stratton support and service for your pressure washer. Consult your Yellow Pages.
There are over 30,000 Briggs & Stratton authorized service dealers worldwide who provide quality service. You can also
contact Briggs & Stratton Customer Service by phone at [phone], or on the Internet at www.murray.com.

Pressure Washer

Model Number
Revision
Serial Number

Engine

Model Number
Type Number
Code Number

Date Purchased

MURRAY is a trademark of Briggs & Stratton Power Products Group, LLC.

Table of Contents

Operator Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Equipment Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Important Safety Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Unpack Pressure Washer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Attach Handle and Accessory Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Add Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Add Fuel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Connect Hose and Water Supply to Pump. . . . . . . . . . . . . . . . . . . . . . . . . . 9

Features and Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Pressure Washer Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

How to Start Your Pressure Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

How to Stop Your Pressure Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

How to Use Accessory Tray. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

How to Use Spray Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Applying Detergent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Pressure Washer Rinsing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Cleaning Detergent Siphoning Tube. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Automatic Cool Down System (Thermal Relief). . . . . . . . . . . . . . . . . . . . . 14

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Maintenance Schedule. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Pressure Washer Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Engine Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

After Each Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Winter Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Long Term Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Warranties. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Emissions Control System Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Pressure Washer Owner Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Product Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Common Service Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

3

Operator Safety

Equipment Description

Read this manual carefully and become familiar
with your pressure washer. Know its applications,
its limitations, and any hazards involved.

This pressure washer operates at 2,000 PSI at a flow rate of

1.9 gallons per minute. This high quality residential system
features 8” wheels, axial cam pump with stainless steel
pistons, automatic cool down system, detergent siphoning
system, nozzle extension with quick connect and spray tip
holder, quick connect spray tips, heavy duty 25’ hose, and
more. See OUTDOORCLEANING.COM for more product
details.

Every effort has been made to ensure that information in this
manual is accurate and current. However, we reserve the
right to change, alter, or otherwise improve the product and
this document at any time without prior notice.

The Emission Control System for this pressure washer is
warranted for standards set by the Environmental Protection
Agency and the California Air Resources Board.

Important Safety Information

Safety Symbols and Meanings

The safety alert symbol indicates a potential personal
injury hazard. A signal word (DANGER, WARNING, or
CAUTION) is used with the alert symbol to designate a
degree or level of hazard seriousness. A safety symbol may
be used to represent the type of hazard. The signal word
NOTICE is used to address practices not related to personal
injury.

DANGER indicates a hazard which, if not avoided, will

result in death or serious injury.

WARNING indicates a hazard which, if not avoided,

could result in death or serious injury.

CAUTION indicates a hazard which, if not avoided, could

result in minor or moderate injury.
NOTICE address practices not related to personal injury.

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Fire

Explosion

Toxic Fumes

Hot Surface

Moving Parts

Electrical Shock

Slippery Surface

Fall

Kickback

Flying Objects

Fluid Injection

Operator’s Manual

5

WARNING: The engine exhaust from this product

contains chemicals known to the State of California to
cause cancer, birth defects, or other reproductive harm.

WARNING: This product contains lead and lead

compounds, known to the State of California to cause
birth defects or other reproductive harm. Wash your

hands after handling this product.

WARNING: Fuel and its vapors are extremely

flammable and explosive.
Fire or explosion can cause severe burns
or death.

WHEN ADDING OR DRAINING FUEL

• Turn pressure washer OFF and let it cool at least 2 minutes
before removing fuel cap. Loosen cap slowly to relieve pressure
in tank.

• Fill or drain fuel tank outdoors.

• DO NOT overfill tank. Allow space for fuel expansion.

• If fuel spills, wait until it evaporates before starting engine.

• Keep fuel away from sparks, open flames, pilot lights, heat, and
other ignition sources.

• DO NOT light a cigarette or smoke.

WHEN STARTING EQUIPMENT

• Ensure spark plug, muffler, fuel cap, and air cleaner are in place.

• DO NOT crank engine with spark plug removed.

WHEN OPERATING EQUIPMENT

• DO NOT tip engine or equipment at angle which causes fuel to
spill.

• DO NOT spray flammable liquids.

WHEN TRANSPORTING OR REPAIRING EQUIPMENT

• Transport/repair with fuel tank EMPTY or with fuel shutoff valve
OFF.

• Disconnect spark plug wire.

WHEN STORING FUEL OR EQUIPMENT WITH FUEL IN TANK

• Store away from furnaces, stoves, water heaters, clothes
dryers, or other appliances that have pilot light or other ignition
source because they can ignite fuel vapors.

WARNING: Running engine gives off carbon

monoxide, an odorless, colorless, poison gas.
Breathing carbon monoxide can cause headache,

fatigue, dizziness, vomiting, confusion, seizures,
nausea, fainting or death.
Some chemicals or detergents may be harmful if inhaled
or ingested, causing severe nausea, fainting, or
poisoning.

• Operate pressure washer ONLY outdoors.

• Keep exhaust gas from entering a confined area through
windows, doors, ventilation intakes, or other openings.

• DO NOT start or run engine indoors or in an enclosed area,
even if windows and doors are open.

• Use a respirator or mask whenever there is a chance that
vapors may be inhaled.

• Read all instructions with mask so you are certain the mask will
provide the necessary protection against inhaling harmful
vapors.

WARNING: Risk of electrocution.

Contact with power source can cause electric
shock or burn.

• NEVER spray near power source.

WARNING: Use of pressure washer can create puddles

and slippery surfaces.
Kickback from spray gun can cause you
to fall.

• Operate pressure washer from a stable surface.

• The cleaning area should have adequate slopes and drainage to
reduce the possibility of a fall due to slippery surfaces.

• Be extremely careful if you must use the pressure washer from
a ladder, scaffolding, or any other similar location.

• Firmly grasp spray gun with both hands when using high
pressure spray to avoid injury when spray gun kicks back.

WARNING: Starter cord kickback (rapid retraction) can

result in bodily injury. Kickback will pull hand and
arm toward engine faster than you can let go.
Broken bones, fractures, bruises, or sprains

could result.

• NEVER pull starter cord without first relieving spray gun
pressure.

• When starting engine, pull cord slowly until resistance is felt
and then pull rapidly to avoid kickback.

• After each starting attempt, where engine fails to run, always
point spray gun in safe direction, press red button and squeeze
spray gun trigger to release high pressure.

• Firmly grasp spray gun with both hands when using high
pressure spray to avoid injury when spray gun kicks back.

WARNING: Contact with muffler area can result in

serious burns.
Exhaust heat/gases can ignite
combustibles, structures or damage

fuel tank causing a fire.

• DO NOT touch hot parts and AVOID hot exhaust gases.

• Allow equipment to cool before touching.

• Keep at least 5 feet (152 cm) of clearance on all sides of
pressure washer including overhead.

• 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 arrester, as defined in Section
4442, maintained in effective working order. Other states or
federal jurisdictions may have similar laws.

Contact the original equipment manufacturer, retailer, or dealer
to obtain a spark arrester designed for the exhaust system
installed on this engine.

• Replacement parts must be the same and installed in the same
position as the original parts.

NOTICE: High pressure spray may damage fragile items
including glass.

• DO NOT point spray gun at glass when using red (0°) spray tip.

• NEVER aim spray gun at plants.

NOTICE: Improper treatment of pressure washer can
damage it and shorten its life.

• If you have questions about intended use, ask dealer or contact
qualified service center.

• NEVER operate units with broken or missing parts, or without
protective housing or covers.

• DO NOT by-pass any safety device on this machine.

• DO NOT tamper with governed speed.

• DO NOT operate pressure washer above rated pressure.

• DO NOT modify pressure washer in any way.

• Before starting pressure washer in cold weather, check all parts of
the equipment to be sure ice has not formed there.

• NEVER move machine by pulling on hoses. Use handle provided
on unit.

• Check fuel system for leaks or signs of deterioration, such as
chafed or spongy hose, loose or missing clamps, or damaged
tank or cap. Correct all defects before operating pressure washer.

• This equipment is designed to be used with Briggs & Stratton
Power Products authorized parts ONLY. If equipment is used with
parts that DO NOT comply with minimum specifications, user
assumes all risks and liabilities.

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WARNING: The high pressure stream of water that this

equipment produces can cut through skin and
its underlying tissues, leading to serious injury

and possible amputation.
Spray gun traps high water pressure, even when engine is
stopped and water is disconnected, which can cause
injury.

• DO NOT allow CHILDREN to operate pressure washer.

• NEVER repair high pressure hose. Replace it.

• NEVER repair leaking connections with sealant of any kind.
Replace o-ring or seal.

• NEVER connect high pressure hose to nozzle extension.

• Keep high pressure hose connected to pump and spray gun
while system is pressurized.

• ALWAYS point spray gun in safe direction, press red button
and squeeze spray gun trigger to release high pressure, every
time you stop engine.

• NEVER aim spray gun at people, animals, or plants.

• DO NOT secure spray gun in open position.

• DO NOT leave spray gun unattended while machine is running.

• NEVER use a spray gun which does not have a trigger lock or
trigger guard in place and in working order.

• Always be certain spray gun, nozzles and accessories are
correctly attached.

WARNING: Unintentional sparking can result in fire or

electric shock.

WHEN ADJUSTING OR MAKING REPAIRS TO YOUR PRESSURE
WASHER

• Disconnect the spark plug wire from the spark plug and place
the wire where it cannot contact spark plug.

WHEN TESTING FOR ENGINE SPARK

• Use approved spark plug tester.

• DO NOT check for spark with spark plug removed.

WARNING: Starter and other rotating parts can

entangle hands, hair, clothing, or accessories.

• NEVER operate pressure washer without protective housing or
covers.

• DO NOT wear loose clothing, jewelry or anything that may be
caught in the starter or other rotating parts.

• Tie up long hair and remove jewelry.

WARNING: Risk of eye injury.

Spray can splash back or propel objects.

• Always wear indirect vented (chemical splash) safety goggles
marked to comply with ANSI Z87.1 when using or in vicinity of
this equipment.

• NEVER substitute safety glasses or dry-condition goggles for
indirect vented safety goggles.

7

Assembly

Read entire operator’s manual before you attempt
to assemble or operate your new pressure washer.

Your pressure washer requires some assembly and is ready
for use after it has been properly serviced with the
recommended oil and fuel.

If you have any problems with the assembly of your pressure
washer, please call the pressure washer helpline at
[phone]. If calling for assistance, please have the
model, revision, and serial number from the identification
label available.

Unpack Pressure Washer

1. Remove the parts bag, accessories, and inserts
included with pressure washer.

2. Open carton completely by cutting each corner from
top to bottom.

3. Ensure you have all included items prior to assembly.

Items in the carton include:

• Main Unit

• Handle

• High Pressure Hose

• Spray Gun

• Nozzle Extension with Quick Connect and Spray Tip
Holder

• Oil Bottle

• Parts Bag (which includes the following):

• Operator’s Manual

• Owner’s Registration Card

• Bag containing 3 Multi–Colored Spray Tips

• Handle Fastening Hardware Kit (which includes):

• Carriage Bolts (2)

• Plastic Knobs (2)

• Tree Clips (2)

To prepare your pressure washer for operation, you will
need to perform these tasks:

1. Fill out and send in registration card.

2. Attach handle and accessory tray to main unit.

3. Add oil to engine crankcase.

4. Add fuel to fuel tank.

5. Connect high pressure hose to spray gun and pump.

6. Connect water supply to pump.

7. Attach nozzle extension to spray gun.

8. Select/attach quick connect spray tip to nozzle
extension.

Attach Handle and Accessory Tray

1. Place handle (A) onto base (B). Make sure holes in
handle align with holes on base.

2. Insert carriage bolts (C) through holes from outside of
unit and attach a plastic knob (D) from inside of unit.
Tighten by hand.

3. Place accessory tray (E) over base (F) (viewing from
rear of unit). Make sure holes in accessory tray align
with holes on base. Push the tree clips (G) into the
holes until they sit flat against the accessory tray.

4. Insert supplied accessories in spaces provided in
accessory tray. See How to Use Accessory Tray.

D

A

B

C

C

G

F

E

Add Engine Oil

1. Place pressure washer on a flat, level surface.

2. Clean area around oil fill and remove yellow oil fill
cap/dipstick.

3. Using oil funnel (optional), slowly pour contents of
provided oil bottle into oil fill opening.

NOTICE: Improper treatment of pressure washer can
damage it and shorten its life.

• DO NOT attempt to crank or start the engine before it has been
properly serviced with the recommended oil. This may result in an
engine failure.

4. Replace oil fill cap/dipstick and fully tighten.

Add Fuel

Fuel must meet these requirements:

• Clean, fresh, unleaded gasoline.

• A minimum of 87 octane/87 AKI (91 RON). High
altitude use, see High Altitude.

• Gasoline with up to 10% ethanol (gasohol) or up to
15% MTBE (methyl tertiary butyl ether) is acceptable.

NOTICE: Avoid pressure washer damage.
Failure to follow Operator’s Manual for fuel
recommendations voids warranty.

• DO NOT use unapproved gasoline such as E85.

• DO NOT mix oil in gasoline.

• DO NOT modify engine to run on alternate fuels.

To protect the fuel system from gum formation, mix in a fuel
stabilizer when adding fuel. See Storage. All fuel is not the
same. If you experience starting or performance problems
after using fuel, switch to a different fuel provider or change
brands. This engine is certified to operate on gasoline. The
emission control system for this engine is EM (Engine
Modifications).

1. Clean area around fuel fill cap, remove cap.

2. Slowly add regular unleaded fuel (A) to fuel tank (B).
Becareful not to overfill. Allow about 1.5" (4 cm) (C) of
tank space for fuel expansion.

3. Install fuel cap and let any spilled fuel evaporate before
starting engine.

High Altitude

At altitudes over 5,000 feet (1524 meters), a minimum
85 octane / 85 AKI (89 RON) gasoline is acceptable. To
remain emissions compliant, high altitude adjustment is
required. Operation without this adjustment will cause
decreased performance, increased fuel consumption, and
increased emissions. See an Authorized Briggs & Stratton
dealer for high altitude adjustment information. Operation of
the engine at altitudes below 2,500 feet (762 meters) with
the high altitude kit is not recommended.

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C

B

A

WARNING: Fuel and its vapors are extremely

flammable and explosive.
Fire or explosion can cause severe burns
or death.

WHEN ADDING FUEL

• Turn pressure washer OFF and let it cool at least 2 minutes
before removing fuel cap. Loosen cap slowly to relieve pressure
in tank.

• Fill fuel tank outdoors.

• DO NOT overfill tank. Allow space for fuel expansion.

• If fuel spills, wait until it evaporates before starting engine.

• Keep fuel away from sparks, open flames, pilot lights, heat, and
other ignition sources.

• DO NOT light a cigarette or smoke.

9

Connect Hose and Water Supply to Pump

NOTICE: DO NOT run the pump without the water supply
connected and turned on.

• Damage to equipment resulting from failure to follow this
instruction will void warranty.

NOTE: Remove and discard the shipping caps from the
pump’s high pressure outlet and water inlet before attaching
hoses.

1. Uncoil high pressure hose and attach one end of hose

to base of spray gun. Tighten by hand.

2. Attach other end of high pressure hose to high

pressure outlet on pump. Tighten by hand.

3. Before connecting garden hose to water inlet, inspect

inlet screen (A). Clean screen if it contains debris or
have it replaced if damaged. DO NOT run pressure
washer if inlet screen is damaged.

4. Run water through your garden hose for 30 seconds to
clean out any debris.

IMPORTANT: DO NOT siphon standing water for the water
supply. Use ONLY cold water (less than 100°F).

NOTICE: Using a One Way Valve (vacuum breaker or check
valve) at pump inlet can cause pump or inlet connector
damage.

• There MUST be at least ten feet of unrestricted garden hose
between the pressure washer inlet and any device, such as a
vacuum breaker or check valve.

• Damage to equipment resulting from failure to follow this
instruction will void warranty.

5. Connect the garden hose (not to exceed 50 feet in

length) to the water inlet. Tighten by hand.

6. Turn ON the water, press red button (B) on the gun and

squeeze the trigger to purge the pump system of air and
impurities.

Checklist Before Starting Engine

Review the unit’s assembly to ensure you have performed all
of the following.

1. Be sure to read the Operator Safety section and How to

Use Your Pressure Washer in Operation section before
using pressure washer.

2. Make sure handle is in place and secure.

3. Check that oil has been added to proper level in the

engine crankcase.

4. Add proper fuel to fuel tank.

5. Check for properly tightened hose connections.

6. Check to make sure there are no kinks, cuts, or damage

to high pressure hose.

7. Provide a proper water supply at an adequate flow.

A

B

WARNING: The high pressure stream of water that this

equipment produces can cut through skin and
its underlying tissues, leading to serious injury
and possible amputation.

• NEVER connect high pressure hose to nozzle extension.

• Keep high pressure hose connected to pump and spray gun
while system is pressurized.

• Always be certain spray gun, nozzles and accessories are
correctly attached.

WARNING: Risk of eye injury.

Spray can splash back or propel objects.

• Always wear indirect vented (chemical splash) safety goggles
marked to comply with ANSI Z87.1 when using or in vicinity of
this equipment.

• NEVER substitute safety glasses or dry-condition goggles for
indirect vented safety goggles.

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Features and Controls

Read this Operator’s Manual and safety rules before operating your pressure washer.

Compare the illustrations with your pressure washer, to familiarize yourself with the locations of various controls and
adjustments. Save this manual for future reference.

A - Nozzle Extension with Quick Connect — Allows you to

switch between three different spray tips.

B - Spray Tips — Detergent, 0°, and 25°: for various high

pressure cleaning applications.

C - Recoil Starter — Used for starting the engine manually.
D - Oil Fill/Dipstick — Check and add engine oil here.
E - Automatic Cool Down System — Cycles water through

pump when water reaches 125°-155°F. Warm water will
discharge from pump onto ground. This system prevents
internal pump damage.

F - Water Inlet — Connection for garden hose.
G - High Pressure Outlet — Connection for high pressure

hose.

H - Detergent Siphoning Tube/Filter — Use to siphon

pressure washer safe detergents into the low pressure
stream.

J - Pump — Develops high pressure.
K - Fuel Tank — Fill tank with regular unleaded fuel. Always

leave room for fuel expansion.

L - Primer Bulb — Prepares a cold engine for starting.
M - Air Filter — Protects engine by filtering dust and debris

out of intake air.

N - Throttle Lever — Sets engine in starting mode for recoil

starter and stops a running engine.

P - High Pressure Hose — Connect one end to water pump

and the other end to spray gun.

R - Accessory Tray — Provides convenient storage for

nozzle extension, spray gun and high pressure hose.

S - Spray Gun — Controls the application of water onto

cleaning surface with trigger device. Includes trigger
lock.

Items Not Shown:
Identification Label (near rear of base plate) — Provides

model and serial number of pressure washer. Please have
these readily available if calling for assistance.

Warning/Operating Instructions Tag — Identifies hazards
and proper procedure to start/stop pressure washer.

G

B

D

A

J

E

F

P

N

H

C

L

K

R

S

M

11

Operation

If you have any problems operating your pressure washer,
please call the pressure washer helpline at [phone].

Pressure Washer Location

Clearances and Air Movement

Place pressure washer outdoors in an area that will not
accumulate deadly exhaust gas. DO NOT place pressure
washer where exhaust gas (A) could accumulate and enter
inside or be drawn into a potentially occupied building.
Ensure exhaust gas is kept away from any windows, doors,
ventilation intakes, or other openings that can allow exhaust
gas to collect in a confined area. Prevailing winds and air
currents should be taken into consideration when positioning
pressure washer.

How to Start Your Pressure Washer

To start your pressure washer for the first time, follow these
instructions step-by-step. This starting information also
applies if you have let the pressure washer sit idle for at least
a day.

1. Place pressure washer near an outside water source
capable of supplying water at a flow rate greater than

2.9 gallons per minute and no less than 20 PSI at
pressure washer end of garden hose. DO NOT siphon
supply water.

2. Check that high pressure hose is tightly connected to
spray gun and pump. See Assembly section.

3. Make sure unit is in a level position.

4. Connect garden hose to water inlet on pressure washer
pump.

NOTICE: DO NOT run the pump without the water supply
connected and turned on.

• Damage to equipment resulting from failure to follow this
instruction will void warranty.

5. Turn ON the water, press red button on the gun and

squeeze the trigger to purge the pump system of air and
impurities.

6. Place colored quick connect spray tips in slots on

holder that’s attached to nozzle extension.

7. Attach nozzle extension to spray gun. Tighten by hand.

8. Choose spray tip you want to use, pull back on collar of

nozzle extension, insert spray tip and release collar. Tug
on spray tip to make sure it is securely in place. See
How to Use Spray Tips.

A

WARNING: Running engine gives off carbon monoxide,

an odorless, colorless, poisonous gas.
Breathing carbon monoxide can cause headache,
fatigue, dizziness, vomiting, confusion, seizures,

nausea, fainting or death.

• Operate pressure washer ONLY outdoors.

• Keep exhaust gas from entering a confined area through
windows, doors, ventilation intakes, or other openings.

• DO NOT start or run engine indoors or in an enclosed area,
even if windows and doors are open.

WARNING: Exhaust heat/ gases can ignite

combustibles, structures or damage fuel tank
causing a fire.

• Keep at least 5 ft. (152 cm) clearance on all sides of pressure
washer including overhead.

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9. Move throttle lever to “Fast” position (A), shown as a

rabbit.

To start the engine for the very first time:

10A. Push primer bulb firmly 5 times, waiting 2 seconds

between each push.

To start engine thereafter:

10B. Press primer bulb firmly 3 times, waiting 2 seconds

between each push. For a warm engine, DO NOT press
primer bulb.

IMPORTANT: Before starting the pressure washer, be sure
you are wearing safety goggles as described below.

11. When starting engine, position yourself as

recommended below and grasp starter grip handle and
pull slowly until you feel some resistance. Then pull
rapidly to start engine.

12. Return starter grip handle slowly. DO NOT let rope
“snap back” against starter.

NOTE: Always keep the throttle lever in the “Fast” position
when operating the pressure washer.

A

WARNING: Risk of eye injury.

Spray can splash back or propel objects.

• Always wear indirect vented (chemical splash) safety goggles
marked to comply with ANSI Z87.1 when using or in vicinity of
this equipment.

• NEVER substitute safety glasses or dry-condition goggles for
indirect vented safety goggles.

WARNING: Starter cord kickback (rapid retraction) can

result in bodily injury. Kickback will pull hand and
arm toward engine faster than you can let go.
Broken bones, fractures, bruises, or sprains

could result.

• NEVER pull starter cord without first relieving spray gun
pressure.

• When starting engine, pull cord slowly until resistance is felt
and then pull rapidly to avoid kickback.

• After each starting attempt, where engine fails to run, always
point spray gun in safe direction, press red button and squeeze
spray gun trigger to release high pressure.

• Firmly grasp spray gun with both hands when using high
pressure spray to avoid injury when spray gun kicks back.

WARNING: Contact with muffler area can result in

serious burns.
Exhaust heat/gases can ignite
combustibles, structures or damage

fuel tank causing a fire.

• DO NOT touch hot parts and AVOID hot exhaust gases.

• Allow equipment to cool before touching.

• Keep at least 5 feet (152 cm) of clearance on all sides of
pressure washer including overhead.

• 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 arrester, as defined in Section
4442, maintained in effective working order. Other states or
federal jurisdictions may have similar laws.

Contact the original equipment manufacturer, retailer, or dealer
to obtain a spark arrester designed for the exhaust system
installed on this engine.

• Replacement parts must be the same and installed in the same
position as the original parts.

WARNING: The high pressure stream of water that this

equipment produces can cut through skin and
its underlying tissues, leading to serious injury

and possible amputation.
Spray gun traps high water pressure, even when engine is
stopped and water is disconnected, which can cause
injury.

• DO NOT allow CHILDREN to operate pressure washer.

• Keep high pressure hose connected to pump and spray gun
while system is pressurized.

• NEVER aim spray gun at people, animals, or plants.

• DO NOT secure spray gun in open position.

• DO NOT leave spray gun unattended while machine is running.

• NEVER use a spray gun which does not have a trigger lock or
trigger guard in place and in working order.

• Always be certain spray gun, nozzles and accessories are
correctly attached.

13

How to Stop Your Pressure Washer

1. Release spray gun trigger and let engine idle for two
minutes.

2. Move throttle to SLOW position, then STOP position (A).

3. ALWAYS point gun in a safe direction and press red
button and squeeze spray gun trigger to release
retained high water pressure.

IMPORTANT: Spray gun traps high water pressure, even
when engine is stopped and water is disconnected.

How to Use Accessory Tray

The unit is equipped with an accessory tray with places to store
your spray gun, nozzle extension and high pressure hose.

1. Place nozzle extension through hole on accessory tray,
as shown.

2. Place spray gun through hole on accessory tray on left
side of unit.

3. Hang high pressure hose on hook as shown.

How to Use Spray Tips

The quick–connect on the nozzle extension allows you to
switch between three different quick connect spray tips.
Spray tips can be changed while pressure washer is running
once spray gun trigger lock is engaged. The spray tips vary
the spray pattern as shown.

Follow these instructions to change spray tips:

1. Pull back collar on quick–connect and pull current
spray tip off. Store spray tips in holder provided on the
nozzle extension.

2. Select desired spray tip:

• For gentle rinse, select green 25° spray tip.

• To scour surface, select red 0° spray tip.

• To apply detergent, select black spray tip.

3. Pull back on collar, insert new spray tip and release
collar. Tug on spray tip to make sure it is securely in
place.

Usage Tips

• For most effective cleaning, keep spray tip from 8 to
24 inches away from cleaning surface.

• If you get spray tip too close, especially using a high
pressure spray tip, you may damage surface being
cleaned.

• DO NOT get closer than 6 inches when cleaning tires.

A

WARNING: The high pressure stream of water that this

equipment produces can cut through skin and
its underlying tissues, leading to serious injury

and possible amputation.
Spray gun traps high water pressure, even when engine is
stopped and water is disconnected, which can cause
injury.

• Keep high pressure hose connected to pump and spray gun
while system is pressurized.

• ALWAYS point spray gun in safe direction, press red button
and squeeze spray gun trigger to release high pressure, every
time you stop engine.

WARNING: The high pressure stream of water that this

equipment produces can cut through skin and
its underlying tissues, leading to serious injury
and possible amputation.

• NEVER exchange spray tips without the trigger lock being
engaged on the spray gun.

• DO NOT twist spray tips while spraying.

Black

Use to apply

detergent

25° Green 0° Red

Low Pressure

High Pressure

14 www.murray.com

Applying Detergent

To apply detergent, follow these steps:

1. Review use of spray tips.

2. Prepare detergent solution as required by job.

3. Place small filter end of detergent siphoning tube into
detergent container.

NOTE: Make sure the filter is fully submerged in detergent
while applying detergent.

NOTICE: Contact with the hot muffler can damage detergent
siphoning tube.

• When inserting the siphon into a detergent solution bottle, route
the tube so as to keep it from inadvertently contacting the hot
muffler.

4. Make sure black spray tip is installed.

NOTE: Detergent cannot be applied with the high pressure
spray tips (Green or Red).

5. Make sure garden hose is connected to water inlet.

Check that high pressure hose is connected to spray
gun and pump. Turn on water.

NOTICE: You must attach all hoses before you start the
engine.

• Starting the engine without all the hoses connected and without
the water turned ON will damage the pump.

• Damage to equipment resulting from failure to follow this
instruction will void warranty.

6. Start engine following instructions How to Start Your

Pressure Washer.

7. Apply detergent to a dry surface, starting at lower

portion of area to be washed and work upward, using
long, even, overlapping strokes.

8. Allow detergent to "soak in" for 3-5 minutes before

washing and rinsing. Reapply as needed to prevent
surface from drying. DO NOT allow detergent to dry on
(prevents streaking).

IMPORTANT: You must flush the detergent siphoning
system after each use by placing the filter into a bucket of
clean water, then run the pressure washer in low pressure
for 1-2 minutes.

Pressure Washer Rinsing

For Rinsing:

1. Remove black spray tip from nozzle extension.

2. Select and install desired high pressure spray tip

following instructions How to Use Spray Tips.

3. Keep spray gun a safe distance from area you plan to
spray.

4. Apply a high pressure spray to a small area and then
check surface for damage. If no damage is found, you
can assume it is okay to continue rinsing.

5. Start at top of area to be rinsed, working down with same
overlapping strokes as you used for cleaning.

Cleaning Detergent Siphoning Tube

If you used the detergent siphoning tube, you must flush it
with clean water before stopping the engine.

1. Place detergent siphoning tube/filter in a bucket full of
clean water.

2. Remove high pressure spray tip from nozzle extension.

3. Select and install black detergent spray tip following
instructions How to Use Spray Tips.

4. Flush for 1-2 minutes.

5. Shut off engine following instructions How to Stop
Pressure Washer and turn off water supply.

6. ALWAYS point spray gun in a safe direction and
squeeze spray gun trigger to release retained high
water pressure.

IMPORTANT: Spray gun traps high water pressure, even
when engine is stopped and water is disconnected.

Automatic Cool Down System (Thermal Relief)

If you run the engine on your pressure washer for
3-5 minutes without pressing the trigger on the spray gun,
circulating water in the pump can reach temperatures above
125°F. The system engages to cool the pump by discharging

the warm water onto the ground.

CAUTION: Chemicals can cause bodily injury, and/or

property damage.

• NEVER use caustic liquid with pressure washer.

• Use ONLY pressure washer safe detergents/soaps. Follow all
manufacturers instructions.

WARNING: Kickback from spray gun can cause you to

fall.

• Operate pressure washer from a stable surface.

• Be extremely careful if you must use the pressure washer from
a ladder, scaffolding, or any other similar location.

• Firmly grasp spray gun with both hands when using high
pressure spray to avoid injury when spray gun kicks back.

WARNING: The high pressure stream of water that this

equipment produces can cut through skin and
its underlying tissues, leading to serious injury

and possible amputation.
Spray gun traps high water pressure, even when engine is
stopped and water is disconnected, which can cause
injury.

• Keep high pressure hose connected to pump and spray gun
while system is pressurized.

• ALWAYS point spray gun in safe direction, press red button
and squeeze spray gun trigger to release high pressure, every
time you stop engine.

15

Maintenance

Maintenance Schedule

Follow the hourly or calendar intervals, whichever occurs
first. More frequent service is required when operating in
adverse conditions noted below.

1

Clean if clogged. Replace if perforated or torn.

2

Service more often under dirty or dusty conditions.

General Recommendations

Regular maintenance will improve the performance and
extend the life of the pressure washer. See any qualified
dealer for service.

The pressure washer’s warranty does not cover items that
have been subjected to operator abuse or negligence. To
receive full value from the warranty, the operator must
maintain the pressure washer as instructed in this manual,
including proper storage as detailed in Winter Storage and
Long Term Storage.

NOTE: Should you have questions about replacing
components on your pressure washer, please call
[phone] for assistance.

Some adjustments will need to be made periodically to
properly maintain your pressure washer.

All service and adjustments should be made at least once
each season. Follow the requirements in the Maintenance
Schedule chart above.

NOTE: Once a year you should clean or replace the spark
plug, clean or replace the air filter, and check the spray gun
and nozzle extension assembly for wear. A new spark plug
and clean air filter assure proper fuel-air mixture and help
your engine run better and last longer.

Pump Oil

DO NOT attempt any oil maintenance on this pump. The
pump is pre-lubricated and sealed from the factory, requiring
no additional maintenance for the life of the pump.

Emissions Control
Maintenance, replacement, or repair of the emissions

control devices and systems may be performed by any
non-road engine repair establishment or individual.

However, to obtain ”no charge” emissions control service,
the work must be performed by a factory authorized dealer.
See the Emissions Warranty.

Before Each Use

1. Check engine oil level.

2. Clean debris.

3. Check water inlet screen for damage.

4. Check high pressure hose for leaks.

5. Check detergent siphoning tube and filter for damage.

6. Check spray gun and nozzle extension assembly for
leaks.

7. Rinse out garden hose to flush out debris.

Pressure Washer Maintenance

Clean Debris

Daily or before use, clean accumulated debris from cleaning
system. Keep linkage, spring and controls clean. Keep area
around and behind muffler free from any combustible debris.
Inspect cooling air slots and openings on the pressure
washer. These openings must be kept clean and
unobstructed.

Cleaning system parts should be kept clean to reduce the risk of
overheating and ignition of accumulated debris.

• Use a damp cloth to wipe exterior surfaces clean.

NOTICE: Improper treatment of pressure washer can
damage it and shorten its life.

• DO NOT insert any objects through cooling slots.

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

• Use a vacuum cleaner to pick up loose dirt and debris.

Check and Clean Inlet Screen

Examine the screen on the pump’s water inlet. Clean it if the
screen is clogged or replace it if screen is damaged.

First 5 Hours

• Change engine oil

Every 8 Hours or Daily

• Check/clean water inlet screen

1

• Check high pressure hose

• Check detergent siphoning hose/filter

• Check spray gun and assembly for leaks

• Clean debris

• Check engine oil level

Every 25 Hours or Yearly

• Service engine air cleaner

2

Every 50 Hours or Yearly

• Change engine oil

2

• Inspect muffler and spark arrester

Every 100 Hours or Yearly

• Service spark plug

• Clean cooling system

2

16 www.murray.com

Check High Pressure Hose

The high pressure hose can develop leaks from wear,
kinking, or abuse. Inspect the hose each time before using it.
Check for cuts, leaks, abrasions or bulging of cover, damage
or movement of couplings. If any of these conditions exist,
replace the hose immediately.

Check Detergent Siphoning Tube

Examine the filter on the detergent tube and clean if clogged.
The tube should fit tightly on the barbed fitting. Examine the
tube for leaks or tears. Replace the filter or tube if either is
damaged.

Check Spray Gun

Examine the hose connection to the spray gun and make
sure it is secure. Test the trigger by pressing the red button
and making sure the trigger “springs back” into place when
you release it. You should not be able to press the trigger
without pressing the red button. Replace spray gun
immediately if it fails any of these tests.

Nozzle Maintenance

A pulsing sensation felt while squeezing the spray gun
trigger may be caused by excessive pump pressure. The
principal cause of excessive pump pressure is a spray tip
clogged or restricted with foreign materials, such as dirt, etc.
To correct the problem, immediately clean the spray tip
following these instructions:

1. Shut off engine and turn off water supply.

2. ALWAYS point spray gun in a safe direction, press red
button and squeeze spray gun trigger to release
retained high water pressure.

3. Remove spray tip from end of nozzle extension.

4. Use a small paper clip to free any foreign material

clogging or restricting spray tip (A).

5. Remove nozzle extension from spray gun.

6. Using a garden hose, remove additional debris by back
flushing water through nozzle extension. Back flush
between 30 to 60 seconds.

7. Reinstall spray tip into nozzle extension.

8. Reconnect nozzle extension to spray gun.

9. Make sure garden hose is connected to water inlet.
Check that high pressure hose is connected to spray
gun and pump. Turn on water.

10. Start engine following instructions How to Start Your
Pressure Washer.

11. Test pressure washer by operating with each quick
connect spray tip.

O-Ring Maintenance

Purchase an O-Ring/Maintenance Kit, model 6048, by
contacting the nearest authorized service center. It is not
included with the pressure washer. This kit includes
replacement o-rings, rubber washer and water inlet filter.
Refer to the instruction sheet provided in the kit to service
your unit’s o-rings.

A

WARNING: The high pressure stream of water that this

equipment produces can cut through skin and
its underlying tissues, leading to serious injury
and possible amputation.

• NEVER repair high pressure hose. Replace it.

• Replacement hose rating MUST exceed maximum pressure
rating of unit.

WARNING: The high pressure stream of water that this

equipment produces can cut through skin and
its underlying tissues, leading to serious injury

and possible amputation.
Spray gun traps high water pressure, even when engine is
stopped and water is disconnected, which can cause
injury.

• Keep high pressure hose connected to pump and spray gun
while system is pressurized.

• ALWAYS point spray gun in safe direction, press red button
and squeeze spray gun trigger to release high pressure, every
time you stop engine.

WARNING: The high pressure stream of water that this

equipment produces can cut through skin and
its underlying tissues, leading to serious injury
and possible amputation.

• NEVER repair leaking connections with sealant of any kind.
Replace o-ring or seal.