Before Use; Operation - Hilti ST 2500 Operating Instructions Manual

5.2.4 Work area
a) Ensure that the workplace is well lit.
b) Ensure that the workplace is well ventilated. Poor-
ly ventilated workplaces may be injurious to the
health due to exposeure to dust.
en

6. Before use

-NOTE-
The electric supply voltage must comply
with the information given on the rating plate.
6.1 Removing the protective sleeve
1. Unplug the supply cord from the electric socket.
2. Insert the tip of a screwdriver in the gap between the
tool and the protective sleeve. Pry the protective sleeve
away from the tool by turning the screwdriver.
3. Pull the protective sleeve off toward the front end of
the tool.
6.2 Use of a generator or transformer
This tool can be powered by a generator or by way of a
transformer connected to the construction site electric
supply when the following conditions and specifications
are fulfilled:
– Alternating current, power output at least 2600 W.
– The operating voltage must remain within +5% and –
15% of the rated voltage at all times.

7. Operation

Use clamps or a vice to secure the work-
piece.
The work piece is thus held more securely
than by hand and both hands remain free to operate the
tool.
The screwdriving procedure may
●
cause the material to splinter.
Splintering material may injure the
●
eyes.
Wear eye protection.
●
7.1 Setting forward / reverse rotation
The forward / reverse selector pushbutton can be used
to select the desired direction of rotation. An interlock
prevents operation of the pushbutton while the motor
is running.
– Pushbutton moved to the right (as seen with tool in
working position) = forwards rotation.
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Printed: 08.07.2013 | Doc-Nr: PUB / 5070743 / 000 / 01
-CAUTION-
5.2.5 Personal protective equipment
The operator and other persons in the immediate vicinity
must always wear eye protection and ear protection
while the tool is in use.
Wear eye protection
– Permissible frequency: 50–60 Hz; never above 65 Hz.
– The equipment must be fitted with an automatic volt-
age regulator with starting compensation.
Never operate other tools or appliances from the
generator or transformer at the same time. Switching
other tools or appliances off and on can result in sudden
overvoltage or undervoltage which may cause damage
to the tool.
6.3 Fitting and removing the belt hook (SD 2500)
6.3.1 Fitting the belt hook
Use the screw to attach the belt hook.
6.3.2 Removing the belt hook
Detach the belt hook from the tool by removing the
screw.
– Pushbutton moved to the left (as seen with tool in
working position) = reverse rotation.
7.2 Switching on / off
1. Plug the supply cord into the electric socket.
2. Press the control switch slowly. The speed of the tool
can thus be varied between 0 and maximum speed.
7.3 Lockbutton for sustained operation
Use of the lockbutton permits sustained operation (motor
running constantly) without need to maintain pressure
on the control switch.
7.3.1 Switching on in sustained operating mode
1. Press the control switch as far as it will go.
2. Press the lockbutton while maintaining pressure
on the control switch and then release the control
switch.
7.3.2 Switching off when running in sustained mode
1. Press the control switch. The lockbutton returns to
its original position.
Wear ear protection