Switching On/Off; Stroke Rate - Hilti WSR 900-PE Manual De Instrucciones

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-DANGER-
Always use saw blades that project at least 40 mm
beyond the workpiece over the entire length of the
blade stroke. This will help to avoid violent kickback.
-WARNING-
Always hold the power tool securely with both hands
on the grips provided. Never use the power tool with-
en
out the hand guard fitted. Do not use the blade hold-
er cover as a grip. The blade holder presents a risk of
injury.

7.1 Switching on/off

1. Plug the supply cord into the electric socket.
2. Press the transport lock and then press the control
switch.

7.2 Stroke rate

7.2.1 Adjusting the stroke rate
The recommended stroke rate can be selected by turn-
ing the stroke rate regulator
When the control switch is pressed the tool will then run
up to the pre-selected speed. The electronic speed con-
trol system maintains an almost constant stroke rate
even under load. The recommended stroke rate settings
and information concerning the correct choice of saw
blade can be found in the product information and in the
corresponding table of applications.
7.2.2 Recommended stroke rates
(1 = low stroke rate, 6 = high stroke rate)
Material to be cut
Wood
Wood with embedded nails
Interior finishing, drywall
Plastic
Steel
Non-ferrous metals
Aluminum
Stainless steel
The above settings are recommendations intended to
ensure optimum cutting performance. These also apply
when the pipe cutting adapter (accessory) is used. The
optimum setting may differ from these recommenda-
tions depending on the saw blade used, the electric sup-
ply voltage and on how the tool is used. Setting the wrong
stroke rate may cause the saw blade to wear more quickly
and could damage the tool.
7.3 Orbital action
Use of the orbital action can increase cutting perfor-
mance in certain materials such as wood or wood mate-
rials. The orbital action can be switched on or off by
moving the orbital action selector switch as far as it will
20
Printed: 21.08.2013 | Doc-Nr: PUB / 5138031 / 000 / 01
Recommended
stroke rate
5–6
5–6
3–4
3–4
2–3
2–3
2–3
1
go in each position. Move the switch only when the motor
has stopped.
7.3.1 Orbital action off
Orbital action off
7.3.2 Orbital action on
Orbital action on
7.4 Plunge sawing
The plunge sawing technique should be used only on
soft materials and when the orbital action is switched
off. A little practice is required in order to be able to
plunge the blade into the material while the tool is run-
ning and thus make cut-outs without first drilling a hole.
Plunge sawing is possible only with short saw blades.
Plunge cuts may be started with the tool in one of two
different positions:
– in the normal position
– or in the reversed position
1. Hold the tool with the front edge of the contact shoe
against the workpiece.
2. Press the transport lock and then press the control
switch.
3. Press the tool firmly against the workpiece and begin
the plunge movement by reducing the angle of the
tool (contact shoe) to the workpiece. It is important
to ensure that the tool is running before the blade is
brought into contact with the workpiece. The tool may
otherwise stall.
4. Once the blade has passed through the workpiece,
bring the tool into the normal working position (the
entire surface of the shoe in contact) and then con-
tinue sawing along the line.

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