Stihl RE 90 User Manual
STIHL RE 90
{
Instruction Manual
Manual de instrucciones
WARNING
Read Instruction Manual thoroughly before use and
follow all safety precautions – improper use can cause
serious or fatal injury.
ADVERTENCIA
Antes de usar la máquina lea y siga todas las precauciones
de seguridad dadas en el manual de instrucciones – el uso
incorrecto puede causar lesiones graves o mortales.
Instruction Manual
1 - 37
Manual de instrucciones
38 - 75
Contents
English
1 Introduction
2 Guide to Using this Manual
2.1 Signal Words
2.2 Symbols in Text
3 Main Parts
3.1 Pressure Washer
3.2 Spray Attachment
4 Safety Symbols on the Product
Original Instruction ManualPrinted on chlorine-free paper
4.1 Pressure Washer
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5 IMPORTANT SAFETY INSTRUCTIONS
5.1 General Safety Warnings and Instructions
5.2 Intended Use
5.3 Operator
5.4 Personal Protective Equipment
5.5 Pressure Washer
5.6 Power Supply Cord
5.7 Connecting the Water Supply
5.8 Using the Pressure Washer
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6 Maintenance, Repair and Storage
6.1 Warnings and Instructions
7 Before Starting Work
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7.1 Preparing the Pressure Washer for Operation
Printing inks contain vegetable oils, paper can be recycled.
8 Assembling the Pressure Washer
8.1 Assembling Parts and Accessories
8.2 Connecting and Removing the High-Pressure
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Hose
8.3 Connecting and Removing the Spray Gun and
Lance
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8.4 Inserting and Removing the Spray Nozzle
9 Connecting the Water Supply
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9.1 Connecting the Pressure Washer to the Mains
Water Supply
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10 Ground Fault Circuit Interruptor (GFCI)
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10.1 Testing the Ground Fault Circuit Interruptor
2
10.2 Resetting the Ground Fault Circuit Interruptor
2
11 Switching the Pressure Washer On and Off
2
11.1 Switching On
3
11.2 Switching Off
4
12 During Operation
4
12.1 Activating and Locking the Spray Gun Trigger
5
12.2 Adding Detergents
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12.3 Cleaning
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13 After Finishing Work
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13.1 Preparing for Transportation or Storage
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13.2 Protecting the Pressure Washer in Winter
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Conditions
14 Transporting
14.1 Transporting the Pressure Washer
15 Storing
15.1 Storing the Pressure Washer
16 Cleaning
16.1 Cleaning the Pressure Washer
16.2 Cleaning the Nozzle and Spray Lance
16.3 Cleaning the Water Intake Screen
17 Inspection and Maintenance
17.1 Inspection and Maintenance Chart
17.2 Inspecting and Maintaining the Pressure Washer
17.3 Lubricating the Gaskets
18 Troubleshooting Guide
18.1 Pressure Washer
19
19 Specifications
20
19.1 STIHL RE 90
19.2 Symbols on the Pressure Washer
21
19.3 Engineering Improvements
21
20 Replacement Parts and Equipment
22
20.1 Genuine STIHL Replacement Parts
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© ANDREAS STIHL AG & Co. KG 2018
0458-814-8621-A. VA1.H18.
0000008227_005_GB
0458-814-8621-A
This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process
with electronic systems.
1
English
1 Introduction
21 Disposal
21.1 Disposal of the Pressure Washer
22 Limited Warranty
22.1 STIHL Incorporated Limited Warranty Policy
23 Trademarks
23.1 Registered Trademarks
23.2 Common Law Trademarks
24 Addresses
24.1 STIHL Incorporated
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36
1 Introduction
36
36
Thank you for your purchase. The information contained in
36
this manual will help you receive maximum performance and
satisfaction from your STIHL pressure washer and, if
36
followed, reduce the risk of injury from its use.
36
36
SAVE THIS MANUAL!
37
37
Have your authorized STIHL servicing dealer show you how
to operate your pressure washer.
Do not lend or rent your pressure washer without this
instruction manual. Allow only persons who fully understand
the information in this manual to operate the pressure
washer.
For further information, or if you do not understand any of
the instructions in this manual, please go to
www.stihlusa.com or contact your authorized STIHL
servicing dealer.
Because the pressure washer is electrically
powered and produces a strong water jet,
special safety precautions must be observed to
reduce the risk of personal injury.
Read this instruction manual thoroughly before
use and periodically thereafter. Follow all safety
precautions. Careless or improper use of the
pressure washer can cause serious or fatal
injury.
2 Guide to Using this Manual
2.1 Signal Words
This manual contains safety information that requires your
special attention. Such information is introduced with the
following symbols and signal words:
2
0458-814-8621-A
2 Guide to Using this Manual
DANGER
Indicates a hazardous situation that, if not avoided, will
result in death or serious injury.
WARNING
Indicates a hazardous situation that, if not avoided, could
result in death or serious injury.
NOTICE
Indicates a risk of property damage, including damage to the
machine or its individual components.
2.2 Symbols in Text
The following symbol is included to assist you with the use
of the manual:
Refers to a designated chapter or sub-chapter in this
instruction manual.
English
0458-814-8621-A
3
English
3 Main Parts
3Main Parts
3.1 Pressure Washer
6
5
4
12
13
14
15
#
16
1 Pushbar
For pushing the pressure washer.
2 Holder for Spray Gun
For storing the spray gun.
3 Holder for Spray Attachment
For storing the entire spray attachment consisting of
1
2
3
7
8
9
10
7
11
0000-GXX-6481-A0
spray gun and spray lance.
4 Carrying Handle
For lifting and transporting the pressure washer.
5 Connector for High-Pressure Hose
For connecting the high-pressure hose to the highpressure pump.
6 Power Switch
Switches the motor on and off.
7 Brackets for Power Supply Cord
For storing the power supply cord.
8 Power Supply Cord
Supplies the pressure washer with electricity when
connected to an electrical outlet (power supply).
9 GFCI Switch
Designed to reduce the risk of electric shock.
10 Clip
For securing the power supply cord on the brackets.
11 Plug
Connects the power supply cord to an electrical outlet.
12 Cleaning Needle
Designed to help remove dirt and debris from the spray
nozzles.
13 Bracket for High-Pressure Hose
For storing the high-pressure hose.
14 Holder for Detergent Spray Set
For storing the detergent spray set.
15 Storage Compartment
For storing the high-pressure nozzles.
4
0458-814-8621-A
4 Safety Symbols on the Product
English
16 Connector for Water Inlet
For connecting the water hose to the high-pressure
pump.
# Rating Plate
Contains electrical information and the product's serial
number.
3.2 Spray Attachment
1 3 4
14
2
9
7
13
11
12
15
1 Coupling for High-Pressure Nozzle
For connecting a spray nozzle to the spray lance.
2 Spray Lance
Directs the water from the spray gun to the high-pressure
nozzle.
3 Spray Gun
For controlling and directing the water jet.
4 Retaining Latch
Locks/unlocks the spray gun trigger.
5 Spray Gun Trigger
Opens and closes the valve in the spray gun.
6 Coupling for High-Pressure Hose
For connecting the high-pressure hose to the spray gun.
10
8
5
6
0000-GXX-5291-A0
7 High-Pressure Hose
Transports the water from the high-pressure pump to the
spray gun.
8 Coupling
For connecting the high-pressure hose to the highpressure pump.
9 Coupling
For connecting the high-pressure hose to the spray gun.
10 Cleaning Needle
Designed to help remove dirt and debris from the spray
nozzles.
11 Detergent Spray Set
Used for adding detergents.
12 Detergent Bottle
For adding detergent while cleaning.
13 Detergent Nozzle
Designed to mix and spray detergent with water.
14 Rotary-jet Nozzle
Rotating nozzle for removing stubborn dirt.
15 Fan-jet Nozzle
Universal nozzle for cleaning larger surfaces.
4 Safety Symbols on the Product
4.1 Pressure Washer
The following safety symbols are found on the pressure
washer:
To reduce the risk of injury, follow the specified
safety precautions.
0458-814-8621-A
5
English
5 IMPORTANT SAFETY INSTRUCTIONS
Read and follow all safety precautions in the
instruction manual. Improper use can lead to
serious or fatal personal injury or property
damage.
To reduce the risk of eye injury, always wear
proper eye protection. Power tool noise may
damage your hearing. Always wear proper sound
barriers (ear plugs or ear mufflers) to protect
your hearing, @ 5.4.
To reduce the risk of cut injuries, keep hands,
feet and other body parts away from the water
jet, @ 5.8.4.
To reduce the risk of serious or fatal injury to the
operator or bystanders, never direct the highpressure jet toward the operator, bystanders or
animals, not even to clean clothing or shoes,
@ 5.8.4.
To reduce the risk of short-circuiting, fire and
electrocution, never spray near power sources.
Do not rely on the pressure washer's insulation
against electric shock, @ 5.8.4.
To reduce the risk of short-circuiting, fire and
electrocution, never direct the spray at electrical
appliances and equipment, sockets or power
cords, @ 5.8.4.
To reduce the risk of injury or property damage,
immediately disconnect the pressure washer
from the power supply if the power supply cord
is damaged, @ 5.8.
To reduce the risk of fire/explosion resulting in
serious or fatal injury or property damage, never
spray flammable or combustible liquids,
@ 5.8.4.
To reduce the risk of damage to the pressure
washer, do not allow the pressure washer to be
used or stored in freezing temperatures. Store
the pressure washer indoors in a dry, secure
place that cannot be accessed by children or
other unauthorized users, @ 6.
5 IMPORTANT SAFETY
INSTRUCTIONS
5.1 General Safety Warnings and Instructions
This section contains the prescribed general safety
warnings and instructions for electric high-pressure cleaners
/ pressure washers. Additional important warnings and
instructions are provided in subsequent sections of this
manual.
WARNING
When using electric pressure washers, basic safety
precautions should always be followed to reduce the risk of
fire, electric shock and personal injury, including the
following:
1)Read all the instructions before using the product.
2)To reduce the risk of injury, close supervision is necessary
when a product is used near children.
3)Know how to stop the product and bleed pressures
quickly. Be thoroughly familiar with the controls.
4)Stay alert – watch what you are doing.
5)Do not operate the product when fatigued or under the
influence of alcohol or drugs.
6)Keep operating area clear of all persons.
7)Do not overreach or stand on unstable support. Keep
good footing and balance at all times.
8)Follow the maintenance instructions specified in the
manual.
6
0458-814-8621-A
5 IMPORTANT SAFETY INSTRUCTIONS
English
9)This product is provided with a Ground Fault Circuit
Interrupter built into the power cord or plug. If replacement
of the Ground Fault Circuit Interrupter or cord is needed,
use only identical replacement parts.
10)WARNING – Risk of eye injury. Spray can splash back or
propel objects. Always wear properly rated eye protection
such as safety goggles or face shield while spraying.
(Safety glasses do not provide full protection.)
GROUNDING INSTRUCTIONS
WARNING
￭ This product must be grounded. If it should malfunction or
break down, grounding provides a path of least resistance
for electric current to reduce the risk of electric shock. This
product is equipped with a cord having an equipment
grounding conductor and a ground pin. The plug must be
plugged into an appropriate electrical outlet that is
properly installed and grounded in accordance with all
local codes and ordinances.
￭ Improper connection of the equipment-grounding
conductor can result in a risk of electrocution. Check with
a qualified electrician or service personnel if you are in
doubt as to whether the electrical outlet is properly
grounded. Do not modify the plug provided with the
product – if it will not fit the outlet, have a proper outlet
installed by a qualified electrician. Do not use any type of
adapter with this product.
GROUND FAULT CIRCUIT INTERRUPTER PROTECTION
WARNING
￭ This pressure washer is provided with a "ground fault
circuit interrupter (GFCI)" built into the plug or the powersupply cord. This device provides additional protection
from the risk of electric shock. Should replacement of the
ground-fault circuit-interrupter or cord become necessary,
use only identical replacement parts.
EXTENSION CORDS
WARNING
￭ Risk of electrocution. Use of an extension cord could
cause electric shock or burn resulting in death or serious
injury.
￭ Do not use an extension cord with this electric pressure
washer. Your electrical circuit receptacle or extension
cord may not provide lifesaving protection with a ground
fault circuit interrupter.
￭ This pressure washer is equipped with a "ground fault
circuit interrupter (GFCI)" built into the power supply cord.
Do not use an extension cord with this electric pressure
washer.
ADDITIONAL SAFETY INFORMATION
WARNING
– Read and follow all safety precautions on labels and
in instruction manual. Failure to follow these
instructions can cause serious or fatal injury.
– Spray jet can propel objects at high velocity. Always
wear goggles that are impact-rated and comply with
ANSI Z87 "+".
– Keep bystanders and animals out of the work area.
– Always wear hearing protection.
– See rating plate for maximum discharge pressure
and maximum discharge temperature – use only
high pressure hoses and accessories rated for these
amounts or above. Use only genuine STIHL
replacement parts.
– Spray gun produces strong recoil (kickback)
opposite to direction of spray. Hold firmly with both
hands to reduce the risk of injury from loss of control.
– Because of high pressure and water velocity, spray
jet is very powerful. To reduce risk of severe
lacerations and injection of fluids below the skin,
never direct spray jet towards self, other persons or
0458-814-8621-A
7
English
5 IMPORTANT SAFETY INSTRUCTIONS
animals. Keep clear of nozzle while machine is
operating. Make sure spray jet does not damage
object being cleaned.
– To reduce risk of fire and explosion, never spray
flammable liquids.
– To reduce risk of serious or fatal injury from electric
shock, never use pressure washer if its power cord
is cut, cracked, worn or damaged. Immediately
disconnect a damaged cord.
– To reduce risk of electrocution and fire, never direct
spray jet towards the machine itself, other electrical
appliances or equipment, sockets or power cords.
Never spray near power source.
– Protect against frost.
– Store indoors.
– If connection is made to a potable water system, the
system must be protected against backflow.
RISK OF ELECTROCUTION
WARNING
– Inspect cord before using – do not use if cord is
damaged.
– Keep all connections dry and off the ground.
– Do not touch plug with wet hands.
– Double insulated – when servicing use only identical
replacement parts.
– This product is provided with a ground fault circuit
interrupter built into the cord plug. If replacement of
the plug or cord is needed, use only identical
replacement parts.
– Do not use an extension cord.
– Read instruction manual before using.
5.2 Intended Use
WARNING
￭ This pressure washer is designed for cleaning jobs around
the home and garden, cleaning garden furniture,
walkways, patios, vehicles, trailers and other similar
applications.
￭ Use your pressure washer only for cleaning solid surfaces
and other items that will not be damaged by water or the
force of the spray jet.
￭ Use the pressure washer only as described in this manual.
Do not use it for other purposes, since misuse may result
in personal injury or property damage, including damage
to the pressure washer.
– Never attempt to modify or override the pressure
washer’s controls or safety devices in any way.
– Never use a pressure washer that has been modified
or altered from its original design.
5.3 Operator
WARNING
￭ Working with the pressure washer can be strenuous. The
operator must be in good physical condition and mental
health. To reduce the risk of personal injury from fatigue
and loss of control:
– Check with your doctor before using the pressure
washer if you have any health condition that may be
aggravated by strenuous work.
– Do not operate the pressure washer while under the
influence of any substance (drug, alcohol or
medication, etc.) that might impair vision, balance,
dexterity or judgment.
– Be alert. Do not operate the pressure washer when
you are tired. Take a break if you become tired.
– Do not permit minors to use the pressure washer.
– Bystanders, especially children, and animals should
not be allowed in the area where the pressure
washer is in use.
8
0458-814-8621-A
5 IMPORTANT SAFETY INSTRUCTIONS
English
￭ According to STIHL's current knowledge, the electric
motor of this pressure washer should not interfere with a
pacemaker.
– However, persons with a pacemaker or other
implanted medical device should consult their
physician and device manufacturer before operating
this pressure washer.
5.4 Personal Protective Equipment
WARNING
￭ To reduce the risk of personal injury:
– Always wear proper clothing and protective apparel,
including proper eye protection.
￭ To reduce the risk of eye injury:
– Always wear goggles that are impact-
rated and marked as complying with
ANSI Z87 "+". Safety glasses do not
provide full protection.
￭ Prolonged exposure to power tool noise may result in
permanent hearing damage. To reduce the risk of hearing
damage:
– Wear sound barriers (ear plugs or ear
muffs).
– Regular operators should have their
hearing checked periodically.
– Be particularly alert and cautious when
using hearing protection. Your ability to
hear shouts, alarms or other audible
warnings is restricted.
￭ Good footing is very important. To help maintain a secure
footing and reduce the risk of injury while working:
– Wear sturdy boots with non-slip, rubber
soles. Do not wear sandals, flip-flops,
open-toed or similar footwear.
￭ To reduce the risk of electric shock:
– Wear rubber-soled footwear that provides insulation
when operating the pressure washer.
￭ Aerosols may form while working with a pressure washer.
The inhalation of aerosols can be hazardous to health. In
order to determine the necessary measures to protect
against aqueous aerosols, a risk assessment must be
carried out before work starts dependent on the surface to
be cleaned and its environment. Class FFP2 or higher
respirators are suitable for protection against aqueous
aerosols.
5.5 Pressure Washer
WARNING
￭ To reduce the risk of serious or fatal injury from
electrocution or electric shock:
– Position the pressure washer outside the wet work
area.
– Store the pressure washer indoors.
– Never use your pressure washer if the casing around
the motor is cracked or damaged.
￭ To reduce the risk of personal injury to the operator and
bystanders:
– Always switch off the pressure washer, relieve
system pressure, lock the spray gun trigger and
disconnect from the power supply before
assembling, inspecting, cleaning, maintaining or
servicing the pressure washer.
￭ Although certain unauthorized attachments may fit your
STIHL pressure washer, their use may be extremely
dangerous. Only attachments supplied by STIHL or
expressly approved by STIHL for use with this specific
model are recommended.
– Use only attachments supplied or expressly
approved by STIHL.
– Never modify this pressure washer in any way.
– Never attempt to modify or override the pressure
washer's controls or safety devices in any way.
0458-814-8621-A
9
English
5 IMPORTANT SAFETY INSTRUCTIONS
– Never use a pressure washer that has been modified
or altered from its original design.
￭ If the pressure washer is dropped or subjected to similar
heavy impacts:
– Check that it is undamaged, in good condition and
functioning properly before continuing work.
– Check that the controls and safety devices are
working properly.
– Check that the power supply cord has not been
damaged.
– Never work with a damaged or malfunctioning
pressure washer. In case of doubt, have the
pressure washer checked by your authorized STIHL
servicing dealer.
￭ If the pressure washer is damaged, not working properly,
has been left outdoors or exposed to rain, its components
may no longer function properly and safety devices may
be inoperative. To reduce the risk of personal injury and
property damage:
– Take the pressure washer to your authorized STIHL
servicing dealer to be checked before further
operation.
￭ Genuine STIHL replacement parts are specifically
designed to match your pressure washer and meet safety
and performance requirements. Use of parts that are not
authorized or approved by STIHL may cause serious or
fatal injury or property damage.
– STIHL recommends that only identical STIHL
replacement parts be used.
5.6 Power Supply Cord
WARNING
￭ Using a damaged power supply cord or plug may result in
fire, electric shock and other personal injury or property
damage. To reduce these risks:
– Check the pressure washer’s power
supply cord or plug regularly for damage.
If it becomes damaged, disconnect the
pressure washer from the power supply.
Never use a damaged power supply cord
or plug.
– Do not abrade, crush, jerk, or otherwise abuse or
misuse the power supply cord. Protect it from heat,
oil and sharp edges.
– If the power supply cord becomes damaged, have it
replaced by an authorized STIHL servicing dealer
before use. A damaged power supply cord must be
replaced with an identical STIHL replacement part.
– Unplug the power supply cord when the pressure
washer is not in use.
– Never yank or jerk the power supply cord to
disconnect. To unplug, grasp the plug, not the power
supply cord.
– Make sure the power supply cord is positioned and
secured or marked so that it will not be stepped on,
tripped over, come in contact with sharp objects,
moving parts, or otherwise be subjected to damage
or stress.
￭ This pressure washer is equipped with an integrated
Ground Fault Circuit Interruptor (GFCI). To reduce the risk
of electric shock:
– Never plug the power supply into a power strip or
extension cord.
– The pressure washer must be connected to a
properly grounded electrical outlet. Check with a
qualified electrician if you are in doubt as to whether
the outlet is properly grounded.
– Always test the built-in GFCI before using the
pressure washer. Never work with a malfunctioning
GFCI. For information on testing and resetting the
GFCI, see chapter @ 10.
10
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5 IMPORTANT SAFETY INSTRUCTIONS
English
￭ This power tool has a polarized plug (one blade is wider
than the other). This plug will fit in a polarized electrical
outlet only one way. To reduce the risk of electric shock:
– Do not change the plug in any way.
– If the plug does not fit fully in the outlet, reverse the
plug. If it still does not fit, use a different outlet or
contact a qualified electrician to install the proper
outlet.
5.7 Connecting the Water Supply
WARNING
￭ When the spray gun trigger is released, fluid recoil may
push non-potable water back into the potable water
system.
– Do not connect the pressure washer
directly to a potable water system.
– If hooking up the pressure washer to a potable water
system, a backflow preventer must be installed
between the water tap and the hose. The design of
the backflow preventer must comply with all
applicable water management codes and
regulations in your area.
￭ If potable water has passed through the backflow
preventer, it can no longer be regarded as potable water.
To prevent contamination of potable water:
– Follow the rules laid down by the local water supply
company to prevent water flowing back from the
pressure washer into the drinking water main.
– Do not use the pressure washer with dirty water (i.e.,
water that contains sand, dirt or other particulate
matter). If there is a risk that the water supply is dirty,
use an appropriate water filter or find an alternative
water source.
5.8 Using the Pressure Washer
5.8.1 Before Operation
WARNING
￭ Misuse or unauthorized use may result in personal injury
and property damage.
– Use the pressure washer only as described in this
instruction manual.
￭ Using a pressure washer that is modified, damaged,
improperly adjusted or maintained, or not completely and
securely assembled can lead to a malfunction and
increase the risk of serious personal injury or death.
– Never operate a pressure washer that is modified,
damaged, improperly maintained or not completely
and securely assembled.
– Always check your pressure washer for proper
condition and operation before starting work,
particularly the spray gun trigger and retaining latch.
– Ensure that the spray gun trigger and retaining latch
move freely. The spray gun trigger must not engage
until the retaining latch is moved to the unlocked
position.
– Never attempt to modify or override the controls or
safety devices in any way.
– If your pressure washer or any part is damaged or
does not function properly, take it to your authorized
STIHL servicing dealer. Do not use the pressure
washer until the problem has been corrected.
￭ Before connecting the pressure washer to the power
supply:
– Read and follow the instructions on switching on the
pressure washer, @ 11.1.
– Ensure that the high-pressure hose is in good
condition and not frayed, cracked, deformed or
damaged in any way. Never operate the machine
with a damaged or worn high-pressure hose.
0458-814-8621-A
11
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5 IMPORTANT SAFETY INSTRUCTIONS
￭ To help reduce the risk of serious personal injury or death
from unintentional starting:
– Never carry the pressure washer with your finger on
the spray gun trigger.
– Switch off the pressure washer, relieve system
pressure, lock the spray gun trigger and disconnect
from the power supply before assembling,
inspecting, cleaning, maintaining or servicing the
pressure washer.
– Always switch off the pressure washer, relieve
system pressure and lock the spay gun trigger
before attempting to remove the high pressure hose
or spray lance from the spray gun.
– Always switch off the pressure washer, relieve
system pressure and lock the spray gun trigger
before attempting to adjust or change a spray nozzle
or other accessory.
– Never leave the pressure washer unattended when
it is connected to the power supply.
5.8.2 Holding and Controlling the Pressure Washer
0000-GXX-4359-A0
WARNING
￭ To maintain a firm grip and properly control your pressure
washer:
– Keep the spray attachment clean at all times. Keep
it free of pitch, oil, grease and resin.
￭ To reduce the risk of serious or fatal injuries to the
operator or bystanders from loss of control:
– Always hold the spray attachment firmly with both
hands when you are working.
– Wrap your fingers tightly around the spray gun and
spray lance.
– Position the spray attachment in such a way that all
parts of your body are clear of the water jet.
– Position the power supply cord so that it will not be
damaged while working with the pressure washer.
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5 IMPORTANT SAFETY INSTRUCTIONS
English
– Always keep the power supply cord behind the
operator and away from the water jet. Don't let the
power supply cord become entangled with obstacles
or objects.
￭ Operating the pressure washer with one hand is extremely
dangerous. One-handed operation makes it difficult to
oppose and absorb reactive forces (recoil) without losing
control of the pressure washer.To reduce the risk of
serious or fatal injury to the operator or bystanders from
loss of control:
– Never attempt to operate the pressure washer with
one hand.
￭ Because of the high pressure and spray velocity, fluids
can penetrate the skin and cause fluid injection and/or
severe injury. To reduce the risk of serious or fatal injuries
to the operator or bystanders from loss of control, keep
proper footing and balance at all times:
– Take special care in overgrown or wet terrain and
always watch for hidden obstacles such as tree
stumps, roots, rocks, holes and ditches to avoid
stumbling or falling.
– Know where the power supply cord and water hoses
are at all times to avoid tripping or stumbling.
– Be extremely cautious when working on slopes or
uneven ground.
￭ To reduce the risk of injury from loss of control:
– Never work on a ladder, roof, in a tree or while
standing on any other insecure support.
– Never operate the pressure washer above shoulder
height.
– Do not overreach. Keep proper footing and balance
at all times.
5.8.3 Working Conditions
WARNING
￭ Operate your pressure washer only under good visibility
during favorable daylight conditions.
– Postpone the work if the weather is windy, foggy,
rainy or inclement.
￭ Your pressure washer is a one-person machine.
– Do not allow other persons in the general work area.
– Bystanders, especially children, and animals should
not be allowed in the area where it is in use.
– Switch off the motor immediately if you are
approached.
￭ To reduce the risk of injury to bystanders and
unauthorized users:
– Never leave the pressure washer unattended when
it is connected to the power supply.
– Switch off the pressure washer and disconnect from
the power supply during work breaks and any other
time the pressure washer is not in use.
￭ Sparks generated from the operation of the pressure
washer may be capable of igniting combustible gases,
liquids, vapors, dusts or other combustible materials and
substances. To reduce the risk of fire and explosion:
– Never operate the pressure washer in a location
where combustible gases, liquids, vapors, dusts or
other combustible materials and substances are
present.
– Read and follow recommendations issued by
government authorities (e.g., OSHA) for identifying
and avoiding the hazards of combustible gases,
liquids, vapors, dusts or other combustible materials
and substances.
0458-814-8621-A
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5 IMPORTANT SAFETY INSTRUCTIONS
￭ Spraying certain materials with the water jet may produce
dust or a mist containing particulate matter capable of
causing respiratory disease, cancer, birth defects and
other serious harm.
– Never spray any surface containing lead paint.
– Never spray asbestos-containing materials such as
asbestos cement or asbestos siding. Hazardous,
breathable asbestos fibers may be released in
addition to the dirt.
– Consult governmental agencies such as EPA,
OSHA, CARB and NIOSH and other authoritative
sources on hazardous materials if you are unfamiliar
with the risks associated with the particular
substances you are spraying.
￭ Inhalation of certain dusts, especially organic dusts such
as mold or pollen, can cause susceptible persons to have
an allergic or asthmatic reaction. Substantial or repeated
inhalation of dust or other airborne contaminants,
especially those with a smaller particle size, may cause
respiratory or other illnesses.
– Control dust and mists at the source where possible.
– To the extent possible, operate the pressure washer
so that the wind or operating process directs any
dust, mist or other particulate matter raised by the
pressure washer away from the operator.
– When respirable dust or other particulate matter
cannot be kept at or near background levels, always
wear a respirator that is approved by NIOSH and
rated for worksite-specific conditions. Follow the
recommendations of governmental authorities (e.g.,
OSHA/NIOSH) and occupational and trade
associations.
￭ Breathing asbestos dust is dangerous and can cause
severe or fatal injury, respiratory illness or cancer,
including mesothelioma. The use and disposal of
asbestos-containing products is strictly regulated by
OSHA and the EPA.
– Stop work immediately and contact the relevant
state and local authorities and/or EPA, your
employer or local OSHA representative if you have
reason to believe that you might be disturbing
asbestos.
5.8.4 Operating Instructions
WARNING
￭ In the event of an emergency:
– Switch off the motor immediately and disconnect the
pressure washer from the power supply.
￭ To reduce the risk of fire/explosion resulting in serious or
fatal injury or property damage:
– Never spray flammable or combustible
liquids.
– Never draw fluids into the pump that
contain solvents or undiluted acids (e.g.,
gasoline, heating oil, paint thinner or
acetone).
￭ Because of the high pressure and spray velocity, fluids
can penetrate the skin and cause fluid injection and/or
severe injury.
– Never direct the high-pressure jet toward
yourself or other persons, not even to
clean clothing or shoes.
– Do not direct the high-pressure jet
toward animals.
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5 IMPORTANT SAFETY INSTRUCTIONS
English
– Keep hands, feet or any other part of
your body away from the water jet at all
times.
– Do not direct the high-pressure jet into places you
cannot see.
– Switch off the pressure washer, relieve system
pressure and lock the spray gun trigger before
changing or adjusting any spray nozzle or
accessory.
– If an accident does occur and the spray appears to
have penetrated the skin, seek emergency medical
care. Do not treat as a simple cut.
￭ To reduce the risk of property damage or serious personal
injury:
– Start work at the greatest effective distance from the
surface being cleaned. Do not move so close that
the surface is damaged by the force of the spray.
– Be especially careful when spraying softer materials
such as fabric.
– Use caution when directing spray toward fragile
materials such as glass. It could shatter.
￭ This pressure washer was designed for use with water
alone or with a detergent specifically designed and
approved for use with pressure washers. Use of
unsuitable detergents or cleaning agents can cause
personal injury and damage the pressure washer and/or
the surface being cleaned.
– Always use the detergent in the dosage specified in
the detergent manufacturer's instructions for proper
preparation and dilution, as well as safe use and
disposal.
￭ Chemical detergents may contain harmful (toxic, caustic,
irritant), flammable or explosive substances. They are
potentially harmful and can cause skin and eye irritation,
chemical burns and other serious personal injury.
– Avoid contact with skin and eyes.
– In the event of accidental contact, immediately rinse
the contact area thoroughly with plenty of clean
water.
– If fluid gets into your eye(s): Do not rub. Rinse water
over the open eye(s) for at least 15 minutes and
seek medical attention.
WARNING
￭ To reduce the risk of short-circuiting, fire and
electrocution:
– Never direct the high-pressure jet toward the
pressure washer itself or any of its components.
– Never direct the spray at electrical
appliances and equipment, sockets or
power cords.
0458-814-8621-A
– Never spray near electrical outlets or
other power sources.
– Never use your pressure washer if the
casing around the motor is cracked or
damaged.
15
English
6 Maintenance, Repair and Storage
NOTICE
￭ Running the pressure washer without water will cause the
pump to overheat, which may result in permanent
damage.
– Always connect and turn on the water supply to the
pump before starting the motor.
– Do not operate the pressure washer without water.
6 Maintenance, Repair and Storage
6.1 Warnings and Instructions
WARNING
￭ There are no user-authorized repairs for the pressure
washer. To reduce the risk of fire, electric shock or other
personal injury and property damage:
– Users may carry out only the cleaning and
maintenance operations described in this manual.
Users must not attempt any other cleaning,
maintenance or repair.
– Strictly follow the cleaning and maintenance
instructions in the appropriate sections of this
instruction manual.
– STIHL recommends that all repair work be
performed by authorized STIHL servicing dealers.
￭ Unintentional starting may result in personal injury or
property damage. To reduce the risk of personal injury
and property damage from unintentional starting:
– Switch off the pressure washer, disconnect it from
the power supply, turn off the water supply and
squeeze the spray gun trigger until the pressure in
the system has been fully released. Then, lock the
spray gun trigger before inspecting the pressure
washerinspecting it or carrying out any cleaning,
maintenance or repair work, before storing, and any
other time it is not in use.
￭ This electric pressure washer is double-insulated. In such
an appliance, two systems of insulation are provided as
protection against electric shock. No grounding means are
provided, nor should means for grounding be added to the
appliance. Servicing a double-insulated appliance
requires extreme care and knowledge of the system, and
should be done only by qualified service personnel.
￭ Use of parts that are not authorized or approved by STIHL
may cause serious or fatal injury or property damage.
– STIHL recommends that only identical authorized
STIHL replacement parts be used for repair or
maintenance.
– If using a replacement or accessory high-pressure
hose, ensure that it is rated for the maximum PSI of
the pressure washer.
– If using a replacement spray gun or lance, or any
other spray accessory, ensure that it is rated for the
maximum PSI of the pressure washer.
￭ To reduce the risk of electric shock:
– Ensure that the insulation of the power supply cord
and plug are in good condition and show no signs of
aging (brittleness), wear or damage.
– Never use your pressure washer if the casing around
the motor is cracked or damaged.
￭ Improper storage can result in unauthorized use, damage
to the pressure washer and an increased risk of fire,
electric shock and other personal injury or property
damage.
– Disconnect the pressure washer from the power
supply before storing.
– Never store the pressure washer with the plug of the
power supply cord connected to an electrical outlet.
– Store the pressure washer indoors in a dry, secure
place that cannot be accessed by children or other
unauthorized users.
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7 Before Starting Work
English
NOTICE
– Do not allow the unit to be used or stored
in freezing temperatures.
– If the pressure washer must be
transported or stored in freezing
conditions, the pump must be filled with
antifreeze to prevent cracking due to
water expansion, @ 13.2.
SAVE THESE
INSTRUCTIONS!
7 Before Starting Work
7.1 Preparing the Pressure Washer for Operation
Before starting work:
► Place the pressure washer on flat and firm ground or other
solid surface in an open area.
► Connect the high-pressure hose, @ 8.2.1.
► Connect the spray gun and lance, @ 8.3.1.
► Insert the spray nozzle, @ 8.4.1.
► If desired, add detergent, @ 12.2.
► Connect the water supply, @ 9.
► Connect the power supply cord to a properly installed
electrical outlet that matches the voltage and electrical
frequency stated on the pressure washer's rating plate.
► Test the GFCI, @ 10.1.
8 Assembling the Pressure Washer
8.1 Assembling Parts and Accessories
WARNING
To reduce the risk of severe injury from high-pressure spray,
always switch off the pressure washer, shut off the water
supply, relieve any remaining pressure in the system and
lock the spray gun trigger before attempting to assemble the
pressure washer or spray attachment.
Bracket for High-Pressure Hose
3
1
► Place the bracket (1) in the guides (2) until it audibly
engages.
► Attach the bracket with the two plugs (3).
2
3
0000-GXX-6393-A0
0458-814-8621-A
17
English
3
1
2
2
4
0000-GXX-6484-A0
8 Assembling the Pressure Washer
Handle and Cleaning Needle
4
1
2
3
► Slide the handle (1) onto the frame (2) and tighten the
screws (3).
► Insert the cleaning needle (4) into the handle.
Holder for Spray Gun
Nozzles
1
2
0000-GXX-6394-A0
► Insert the fan-jet nozzle (1) and rotary-jet nozzle (2).
Detergent Spray Set
1
0000-GXX-6485-A0
► Place the hooks (1) of the holder (2) in the guides (3).
► Swing the holder to the left.
► Tighten the screw (4).
18
0000-GXX-6486-A0
► Mount the detergent spray set (1).
8.2 Connecting and Removing the High-Pressure Hose
8.2.1 Connecting the High-Pressure Hose
WARNING
Before starting assembly, switch off the pressure washer,
disconnect the unit from the power supply and ensure all
pressure is released from the system to reduce the risk of
injury from unintended spraying.
0458-814-8621-A
8 Assembling the Pressure Washer
0000-GXX-6399-A0
1
To connect the high-pressure hose:
► Switch off the pressure washer, @ 11.2.
► Disconnect the pressure washer from the power supply.
► Shut off the water supply.
► Remove all sand and debris from the connections and
couplings.
2
English
1
3
► Insert the coupling (1) of the high-pressure hose into the
high pressure connector (2).
► Attach the union nut (3) and tighten by hand.
► If the coupling is difficult to attach to the high-pressure
connector, grease the coupling or union nut with a food-
safe fitting grease.
8.2.2 Removing the High-Pressure Hose
WARNING
To reduce the risk of severe injury from high-pressure spray,
always switch off the pressure washer, shut off the water
supply, relieve any remaining pressure in the system and
lock the spray gun trigger before attempting to remove the
high-pressure hose from the pump or spray gun.
To remove the high-pressure hose:
► Switch off the pressure washer, @ 11.2.
► Disconnect the pressure washer from the power supply.
► Shut off the water supply.
► Pull the spray gun trigger to relieve pressure.
► Lock the spray gun trigger.
► Unscrew the union nut (1).
► Pull the high-pressure hose off the high-pressure
connector.
8.3 Connecting and Removing the Spray Gun and
0000-GXX-6398-A0
Lance
8.3.1 Connecting the Spray Gun and Lance
To connect the spray gun and lance:
► Switch off the pressure washer, @ 11.2.
► Disconnect the pressure washer from the power supply.
► Shut off the water supply.
► Lock the spray gun trigger.
► Remove all sand and debris from the connections and
couplings.
2
1
► Push the high-pressure hose (1) into the spray gun (2).
0000-GXX-4348-A0
0458-814-8621-A
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English
0000-GXX-4350-A0
1
2
0000-GXX-4351-A0
2
1
2
1
0000-GXX-4349-A0
► If the high-pressure hose is difficult to push into the spray
gun, apply a food-safe fitting grease to the sealing surface
on the high pressure hose.
► Attach the spray lance (1) to the spray gun (2).
► Turn the spray lance until it engages.
► If the spray lance hose is difficult to attach to the spray
gun, apply a food-safe fitting grease to the sealing surface
on the spray lance.
8.3.2 Removing the Spray Gun and Lance
WARNING
To reduce the risk of severe injury from high-pressure spray,
always switch off the pressure washer, shut off the water
supply, relieve any remaining pressure in the system and
lock the spray gun trigger before attempting to remove or
disassemble the spray gun or lance.
8 Assembling the Pressure Washer
► Press the spray lance (1) against the spray gun (2) and
turn until it stops.
► Remove the spray lance (1) from the spray gun (2).
► Press down and hold the locking lever (1).
► Pull out the high-pressure hose (2).
To remove the spray gun and lance:
► Switch off the pressure washer, @ 11.2.
► Disconnect the pressure washer from the power supply.
► Shut off the water supply.
► Pull the spray gun trigger to relieve pressure.
► Lock the spray gun trigger.
20
8.4 Inserting and Removing the Spray Nozzle
8.4.1 Inserting the Spray Nozzle
WARNING
To reduce the risk of severe injury from unintended
spraying, switch off the pressure washer, relieve system
pressure and lock the spray gun trigger before attempting to
adjust or change a spray nozzle or other accessory.
0458-814-8621-A
9 Connecting the Water Supply
English
WARNING
If the high-pressure nozzle is not secure, it can fly out of the
spray lance during operation and cause injury. Confirm that
the nozzle is fixed securely in the quick-connect coupling.
The pressure washer is offered with two high-pressure
nozzles that can be connected to the spray lance.
To insert the spray nozzle:
► Switch off the pressure washer, @ 11.2.
► Pull the spray gun trigger to relieve pressure.
► Lock the spray gun trigger.
► Remove all sand and debris from the connections and
couplings.
4
3
► If you want to insert the fan-jet nozzle, position the
nozzle (1) so that the nose (2) is aligned with the recess
in the spray lance (3).
► Push the high-pressure nozzle (1) as far as it will go into
the coupling (4).
► Pull on the high-pressure nozzle and confirm that it is
seated securely.
► If the nozzle is difficult to insert, apply a food-safe fitting
grease to the sealing surface on the spray lance.
1
2
8.4.2 Removing the Spray Nozzle
WARNING
To reduce the risk of severe injury from unintended
spraying, switch off the pressure washer, relieve system
pressure and lock the spray gun trigger before attempting to
adjust or change a spray nozzle or other accessory.
To remove the spray nozzle:
► Switch off the pressure washer, @ 11.2.
► Pull the spray gun trigger to relieve pressure.
► Lock the spray gun trigger.
1
2
► Press down and hold the locking lever (1).
0000-GXX-4352-A0
► Pull out the nozzle (2).
9 Connecting the Water Supply
9.1 Connecting the Pressure Washer to the Mains Water Supply
WARNING
Make sure the pressure washer is switched off and
disconnected from the power supply before connecting to or
disconnecting from the mains water supply.
0000-GXX-4353-A0
0458-814-8621-A
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English
10 Ground Fault Circuit Interruptor (GFCI)
Connecting the Water Hose
The water hose must meet the following dimensions:
– Diameter: 0.5 in. (13 mm)
– Length: between 33 ft. and 82 ft. (10 m and 25 m)
To connect the pressure washer to the mains water supply:
► Switch off the pressure washer, @ 11.2.
► Disconnect the pressure washer from the power supply.
► Remove all sand and debris from the connections and
couplings.
► Connect the water hose to the water supply.
► Fully open the tap to flush any sand or dirt from the hose.
► Shut off the water supply.
2
4
1
3
► Insert the water inlet strainer (1) into the connector (2).
► Screw the coupling (3) onto the connector and tighten by
hand.
► If the spray gun is attached to the high-pressure hose,
remove the spray gun.
► Connect the water hose (4).
► Turn on the water supply.
► Pull the spray gun trigger until a steady, even water jet is
delivered from the spray gun.
► Switch off the pressure washer.
► Lock the spray gun trigger.
► Insert the nozzle, @ 8.4.1.
NOTICE
Running the pressure washer without water will cause the
pump to overheat, which may result in permanent damage.
Always connect and turn on the water supply to the pump
before starting the motor. Do not operate the pressure
washer without water.
Disconnecting the Water Hose
To disconnect the water hose:
► Switch off the pressure washer, @ 11.2.
► Disconnect the pressure washer from the power supply.
► Shut off the water supply.
► Pull the spray gun trigger to relieve pressure.
► Lock the spray gun trigger.
1
2
0000-GXX-6487-A1
► Remove the water hose (1).
► Unscrew the coupling (2).
10 Ground Fault Circuit Interruptor
(GFCI)
10.1 Testing the Ground Fault Circuit Interruptor
WARNING
To reduce the risk of electrocution, always test the GFCI
each time you plug in your unit and before you start work.
0000-GXX-6488-A1
22
0458-814-8621-A
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