Maintenance And Service; Maintenance And Cleaning; Cleaning; Replacing The Carbon Brushes - Bosch GTM 12 Professional Originalbetriebsanleitung

OBJ_BUCH-302-005.book Page 70 Tuesday, June 9, 2009 2:19 PM
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Maintenance and Service

Maintenance and Cleaning

Before any work on the machine itself, pull
the mains plug.
If the machine should fail despite the care taken
in manufacturing and testing procedures, repair
should be carried out by an after-sales service
centre for Bosch power tools.
In all correspondence and spare parts order,
please always include the 10-digit article
number given on the type plate of the machine.

Cleaning

For safe and proper working, always keep the
power tool and its ventilation slots clean.
The retracting blade guard must always be able
to move freely and retract automatically. There-
fore, always keep the area around the retracting
blade guard clean.
Remove dust and chips after each working pro-
cedure by blowing out with compressed air or
with a brush.
Clean the lighting and laser unit (35, 21) regular-
ly.
To clean the laser lens cover 18, completely un-
screw the screw. Afterwards, pull the cover out
of the casing alongside the retracting blade
guard 22. (see figure i)

Replacing the Carbon Brushes

(see figure h)
Check the length of the carbon brushes approx.
every 2–3 months and replace the carbon
brushes if required.
Never replace only a single carbon brush!
Criteria for replacement of the carbon brushes:
A dotted or broken line is visible on one of the
large side surfaces of each carbon brush. When
either of both carbon brushes is used up to this
line, then both carbon brushes should be re-
placed immediately in order to protect the ar-
mature against possible damage.
1 609 929 U05 | (9.6.09)
Note: Use only carbon brushes supplied by
Bosch and intended specifically for your
product.
– Unscrew the caps 16 using a suitable screw-
driver.
– Replace the spring-loaded carbon brushes
17 and screw the caps back on again.

Accessories

Dust bag. . . . . . . . . . . . . . . . . . . 2 605 411 222
Quick-action clamp . . . . . . . . . . 2 608 040 205
Extension bars . . . . . . . . . . . . . . 2 607 001 911
Saw blades for wood and plate materials, pan-
els and strips/mouldings
Saw blade 305 x 30 mm,
40 teeth . . . . . . . . . . . . . . . . . . . 2 608 640 440
Saw blades for aluminium
(Operation as Chop and Mitre Saw)
Saw blade 305 x 30 mm,
96 teeth . . . . . . . . . . . . . . . . . . . 2 608 640 453
After-sales Service and Customer
Assistance
Our after-sales service responds to your ques-
tions concerning maintenance and repair of your
product as well as spare parts. Exploded views
and information on spare parts can also be
found under:
www.bosch-pt.com
Our customer service representatives can an-
swer your questions concerning possible appli-
cations and adjustment of products and acces-
sories.

Great Britain

Robert Bosch Ltd. (B.S.C.)
P.O. Box 98
Broadwater Park
North Orbital Road
Denham
Uxbridge
UB 9 5HJ
Tel. Service: +44 (0844) 736 0109
Fax: +44 (0844) 736 0146
E-Mail: SPT-Technical.de@de.bosch.com
Bosch Power Tools