13
Side handle
To improve handling and safety, always use side handle
12
.
Chuck replacement (fig. B)
Use an open-end spanner at spanner surface
2
to retain
the chuck. Place the chuck key
8
in one of the 3 bores and
loosen the chuck by turning it to the left using the key as a
lever. If the chuck is frozen in place, a tap on the chuck key
8
should loosen it. The removal procedure is reversed for
re-assembling.
In GBM 550 RE The chuck must be tightened with a torque
of approx. 30-40 Nm.
Maintenance and cleaning
• Before any work on the machine itself, pull the mains
plug.
For safe and proper working, always keep the ma-
chine and the ventilation slots clean.
If the machine should fail despite the rigorous manufacturing
and testing procedures, repair should be carried out by an au-
thorized customer services center for BOSCH power tools.
Guarantee
We guarantee BOSCH appliances in accordance with stat-
utory/country-specific regulations (proof of purchase by in-
voice or delivery note).
Damage attributable to normal wear and tear, overload or
improper handling will be excluded from the guarantee.
In case of complaint please send the machine,
undisman-
tled
, to your dealer or the BOSCH Service Center for Elec-
tric Power Tools.
Warning!
Freight and insurance costs are charged to the client, even
for warranty claims.
Environmental protection
Recycle raw materials instead of disposing as waste.
The machine, accessories and packaging
should be sorted for environmental-friendly re-
cycling.
The plastic components are labeled for catego-
rized recycling.
Subject to change without notice
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