Starting Operation; Working Advice - Bosch Professional GST 18 V-LIS Manual Original

The orbital action can be adjusted with the adjusting lever 8,
even during operation.
No orbital action
Small orbital action
Medium orbital action
Large orbital action
The optimal orbital action setting for the respective applica-
tion can be determined through practical testing. The follow-
ing recommendations apply:
– Select a lower orbital action setting (or switch it off) for a
finer and cleaner cutting edge.
– For thin materials such as sheet metal, switch the orbital
action off.
– For hard materials such as steel, work with low orbital
action.
– For soft materials and when sawing in the direction of the
grain, work with maximum orbital action.
Adjusting the Cutting Angle (see figure H)
(only GST 18 V-LIB)
The base plate 7 can be swivelled by 45° to the left or right for
mitre cuts.
Remove the vacuum connection 20.
Loosen screw 24 with hex key 5 and slide the base plate 7 in
toward the battery 3 to the stop.
For adjustment of precise mitre angles, the base plate has ad-
justment notches on the left and right at 0° and 45°. Swivel
the base plate 7 to the desired position according to the scale
25. Other mitre angles can be adjusted using a protractor.
Afterwards, push the base plate 7 to the stop in the direction
of the saw blade 10.
Tighten the screw 24 again.
The vacuum connection 20 and the splinter guard 22 cannot
be used for bevel cuts.
Offsetting the Base Plate (see figure H)
(only GST 18 V-LIB)
For sawing close to edges, the base plate 7 can be offset to
the rear.
Loosen screw 24 with hex key 5 and slide the base plate 7 in
toward the battery 3 to the stop.
Tighten the screw 24 again.
The splinter guard 22 must not be used when sawing with the
base plate 7 offset.

Starting Operation

Inserting the battery
Insert the charged battery 3 from the rear into the base of the
power tool. Press the battery completely into the base until
the red stripe can no longer be seen and the battery is secure-
ly locked.
Starting and Stopping (GST 18 V-LIB)
To start the machine, firstly press on the safety switch 1 next
to the symbol to deactivate it. Then press and hold the
On/Off switch 2.
Bosch Power Tools
To switch off the machine, release the On/Off switch 2.
Activate the safety switch 1 by pressing on it next to the
symbol .
Note: For safety reasons, the On/Off switch 2 cannot be
locked; it must remain pressed during the entire operation.
To save energy, only switch the power tool on when using it.
Starting and Stopping (GST 18 V-LIS)
To start the machine, push the On/Off switch 2 forward so
that the "1" is indicated on the switch.
To switch off the machine, push the On/Off switch 2 toward
the rear so that the "0" is indicated on the switch.
Controlling the Stroke Rate
The required stroke rate is dependent on the material and the
working conditions and can be determined by a practical trial.
Reducing the stroke rate is recommended when the saw
blade engages in the material as well as when sawing plastic
and aluminium.
After longer periods of work at low stroke rate, the machine
can heat up considerably. Remove the saw blade from the ma-
chine and allow the machine to cool down by running it for ap-
prox. 3 minutes at maximum stroke rate.
GST 18 V-LIB: Increasing or reducing the pressure on the
On/Off switch 2 enables stepless stroke-rate control of the
switched-on machine.
Light pressure on the On/Off switch 2 results in a low stroke
rate. Increasing the pressure also increases the stroke rate.
GST 18 V-LIS: With the thumbwheel for stroke rate preselec-
tion 16, the stroke rate can be preset and changed during op-
eration.
Temperature Dependent Overload Protection
When using the machine as intended for, it cannot be subject
to overload. In case of excessive load or when not within the
permitted battery temperature range of 0–70 °C, the speed
is reduced or the machine switches off. With reduced speed,
the machine will not run at full speed again until after reaching
the permitted battery temperature or when the load is re-
duced. In case of automatic shut-off, switch the machine off,
allow the battery to cool down and then switch the machine
on again.
Protection Against Deep Discharging
The lithium-ion battery is protected against deep discharging
by the "Electronic Cell Protection (ECP)". When the battery is
empty, the machine is switched off by means of a protective
circuit: The inserted tool no longer rotates.

Working Advice

 When sawing small or thin workpieces, always use a
firm support.
Contact Protector
The contact protector 13 attached to the casing prevents ac-
cidental touching of the saw blade during the working proce-
dure and may not be removed.
English | 17
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