Bosch Professional GWS 18 V-LI Original Instructions Manual page 21

Press the button for the battery charge indicator or
show the state of charge. This is also possible when the bat-
tery is removed.
If no LED lights up after pressing the button for the battery
charge indicator, then the battery is defective and must be
replaced.
Battery model GBA 18V...
LEDs
3× continuous green light
2× continuous green light
1× continuous green light
1× flashing green light
Battery model ProCORE18V...
LEDs
5× continuous green light
4× continuous green light
3× continuous green light
2× continuous green light
1× continuous green light
1× flashing green light
Fitting protective equipment
Remove the battery from the power tool before carry-
u
ing out work on the power tool (e.g. maintenance,
changing tool, etc.). The battery should also be re-
moved for transport and storage. There is risk of injury
from unintentionally pressing the on/off switch.
Note: If the grinding disc breaks during operation or the
holding fixtures on the protective guard/power tool become
damaged, the power tool must be sent to the after-sales ser-
vice immediately; see the "After-Sales Service and Applica-
tion Service" section for addresses.
Bosch Power Tools
to Protective guard for grinding
Capacity
60−100 %
30−60 %
5−30 %
Adjust the protective guard (10) such that sparking in
u
0−5 %
the direction of the operator is prevented.
Note: The coding cams on the protective guard (10) ensure
that only a protective guard that is suitable for the power
tool can be fitted.
Protective guard for cutting
Always use the protective guard for cutting (16) when
u
Capacity
cutting bonded abrasives.
80−100 %
Provide sufficient dust extraction when cutting stone.
u
60−80 %
The protective guard for cutting (16) is fitted in the same
40−60 %
way as the protective guard for grinding (10).
20−40 %
Extraction guard for cutting with a guide block
5−20 %
The extraction guard for cutting with a guide block (24) is fit-
ted in the same way as the protective guard for grinding
0−5 %
(10).
Side handle
Do not operate your power tool without the side
u
handle (7).
Screw the side handle (7) on the left or right of the machine
head depending on how your are working.
Hand guard
Always fit the hand guard (18) when working with the
u
rubber sanding plate (19) or with the cup brush/disc
brush/flap disc.
Attach the hand guard (18) to the side handle (7).
Fitting the abrasive tools
Remove the battery from the power tool before carry-
u
ing out work on the power tool (e.g. maintenance,
changing tool, etc.). The battery should also be re-
moved for transport and storage. There is risk of injury
from unintentionally pressing the on/off switch.
Do not touch grinding and cutting discs until they have
u
cooled down. The discs can become very hot while work-
ing.
Clean the grinding spindle (8) and all the parts to be fitted.
Lock the grinding spindle with the spindle lock button (2)
before clamping and releasing the abrasive tools.
English | 21
Place the protective guard
(10) on the spindle collar.
Adjust the position of the pro-
tective guard (10) to meet
the requirements of the oper-
ation. Lock the protective
guard (10) by tightening the
locking screw (9) using the
hex key (4).
1 609 92A 5C4 | (04.03.2020)