Introduction And Safety Regulations; General; Revisions; Target Group - Husqvarna PW 450 Workshop Manual

1 Introduction and safety regulations

1.1 General

This workshop manual gives a full description of how to
do troubleshooting, repair and test of the high pressure
washer. It also gives safety instructions that the
personnel must obey during repair work.

1.2 Revisions

If there are changes to the product, these are gradually
introduced into ongoing production. These changes can
have an effect on servicing and/or spare parts. This can
cause sections of the workshop manual to become out of
date. Servicing information is sent out for each change.
To make sure that the repair and servicing instructions
are complete and up to date, always read the workshop
manual together with all servicing information applicable
for the high pressure washer.

1.3 Target group

This workshop manual is written for personnel with a
general knowledge of how to repair and do servicing on
high pressure washers.
All personnel that repair or do servicing on the high
pressure washer must read and understand the
workshop manual.

1.4 Safety instructions

WARNING: All personnel that repair or do
servicing on the high pressure washer
must read and understand the safety
instructions.

1.4.1 General safety instructions

The service center that repairs the high pressure washer
must have safety devices that comply with local
regulations.
Warnings and cautions are used to point out specially
important parts of the workshop manual.
WARNING: Used if there is a risk of injury
or death if the instructions are not followed.
CAUTION: Used if there is a risk of material
damage if the instructions are not followed.
Introduction and safety regulations

1.4.2 Special safety instructions

WARNING: Do not use accessories and/or
do changes that are not approved by the
manufacturer. This can cause injury or
death to the operator or other persons.
WARNING: Always use original spare parts
and accessories.
WARNING: Use approved hearing protec-
tion. Noise from the product can result in
permanent hearing loss.
WARNING: High pressure jets can be
dangerous. Never direct the water jet at
persons pets, live electrical equipment or
the machine self.
WARNING: Never try to clean clothes or
footwear on yourself or other persons.
WARNING: Hold the spray lance firmly with
both hands. The spray lance is affected by
a thrust of up to 24,1N during operation.
WARNING: The operator and anyone in the
immediate vicinity of the site of cleaning
should take action to protect themselves
from being struck by debris dislodged
during operation. Wear goggles during oper
ation.
WARNING: This appliance has been de-
signed for use with cleaning agents sup-
plied or recommended by the manufacturer.
The use of other cleaning agents or
chemicals may adversely affect the safety
of the appliance.
WARNING: Disconnect from electrical
power supply before carrying out user
maintenance.
WARNING: To ensure the appliance safety
only use original spare parts from the
manufacturer or approved by the manufac-
turer.
WARNING: High pressure hoses, fittings
and couplings are important for the safety
of the appliance. Only use hoses, fittings
and couplings recommended by the manu
facturer.
WARNING: Do not use the appliance if a
supply cord or important parts of appliance
are damaged, e.g. safety device, high
pressure hose and trigger gun.
English – 3