Hilti WSR900-PE User Manual

Page 6

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3.3.2 Electrical

Protect yourself against electric shock. Avoid body
contact with earthed / grounded objects, e.g. pipes
and radiators etc.

Check the condition of the tool’s supply cord at reg-
ular intervals. The supply cord should be replaced by
a trained electrical specialist if damage is found. Also
regularly check the condition of extension cords and
replace these if damage is found.

Do not touch the supply cord in the event of it suffer-
ing damage while working. Disconnect the supply cord
plug from the power supply.

The tool should be repaired only by a trained electri-
cal specialist (Hilti service centre) using original Hilti
spare parts. Failure to observe this point my result in
a risk of accident to the user.

Do not use the supply cord for purposes for which it
is not intended.

Never carry the tool by the power supply cord.

Do not pull the plug out of the socket by pulling the
supply cord.

Do not expose the supply cord to heat, oil or sharp

When working outdoors, use only extension cords
approved and correspondingly marked as suitable for
outdoor use.

Avoid using extension cords with multiple sockets
and the simultaneous use of several electric tools con-
nected to one extension cord.

Never operate the tool when it is dirty or wet. Dust or
dampness on the surface of the tool make it difficult
to hold and, under unfavorable conditions, may lead
to electric shocks. Accordingly, have the tool checked
regularly at a Hilti service center if it is used frequently
for cutting conductive materials.

Hold tool by insulated gripping surfaces when per-
forming an operation where the cutting tool may con-
tact hidden wiring or its own cord.
Contact with a
“live” wire will make exposed metal parts of the tool
“live” and shock the operator.

3.3.3 Thermal

The saw blade may become hot during use. You should
therefore wear protective gloves when changing saw

When using the pipe cutting adaptor (accessory),
especially when cutting large-diameter pipes, apply
only moderate pressure and select a suitable cutting
speed in order to avoid overheating the tool.

The cutting produced when sawing, especially metal
cuttings, may be hot. Wear suitable protective clothing.

3.3.4 Dust

Wear respiratory protection when the work causes

Before beginning work, find out the hazard class of
the dust produced by the work. Use only an industri-
al vacuum cleaner with an officially approved protec-
tion classification in compliance with your local dust
control regulations for work with the tool.

Proposition 65 warning: This product contains or pro-
duces an exposure to chemicals known to the State
of California to cause cancer and birth defects (or other
reproductive harm).

3.4 Requirements to be met by users

The tool is intended for professional use.

The tool may be operated, serviced and repaired only
by authorized, trained personnel. This personnel must
be informed of any special hazards that may be encoun-

Take breaks between working and do exercises your
fingers to relax the muscles and improve the blood
circulation in your fingers.

3.5 Personal protective equipment

The user and any other persons in the vicinity must wear
suitable eye protection. Ear protection and protective
gloves should be worn as conditions warrant. They must
also wear breathing protection if no dust removal sys-
tem is used.

3.6 Protective devices

Never use the tool without the hand guard fitted.

Symbols used on the tool:
V volts



no load speed

~ alternating current

/min revolutions per minute

Hz hertz


A amperes


double insulated













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