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Service
Preventive maintenance
performed by unautho-
WARNING
rized per so n nel may result in misplacing
of internal wires and components which
could
cause
recommend that all tool service be performed
by a Bosch Factory Service Center or Autho -
rized Bosch Service Station.
TOOL LUBRICATION
Your Bosch tool has been properly lubricated
and is ready to use. It is recommended that
tools with gears be regreased with a special
gear lubricant at every brush change.
CARBON BRUSHES
The brushes and commutator in your tool
have been engineered for many hours of
dependable service. To maintain peak
efficiency of the motor, we recommend every
two to six months the brush es be examined.
Only genuine Bosch replace ment brushes
specially designed for your tool should be
used.
If an extension cord is
necessary, a cord with
WARNING
adequate size conductors that is capable
of carrying the current necessary for your
tool must be used. This will prevent
excessive voltage drop, loss of power or
overheating. Grounded tools must use 3-wire
extension cords that have 3-prong plugs and
receptacles.
NOTE: The smaller the gauge number, the
higher the cord capacity.
* 360° Auxiliary Handle
* Depth Gauge
* Carrying Case
** 3-Jaw Chuck
** Straight Chuck SDS Adaptor
serious
hazard.
Extension Cords
Maintenance
After about 300-400 hours of operation, or at
every second brush change, the bearings
should be replaced at Bosch Factory Service
Center or Au thorized Bosch Service Station.
Bearings which become noisy (due to heavy
We
load or very abrasive material cut ting) should
be replaced at once to avoid overheating or
motor failure.
WARNING
the power supply before cleaning or
performing any main tenance. The tool may
be cleaned most effectively with compressed
dry air. Always wear safety gog gles when
cleaning tools with compressed air.
Ventilation openings and switch levers must
be kept clean and free of foreign matter. Do
not at tempt to clean by inserting pointed
objects through openings.
CAUTION
plastic parts. Some of these are: gasoline,
carbon tetrachlo ride, chlo rinated cleaning
solvents,
detergents that contain ammonia.
RECOMMENDED SIZES OF EXTENSION CORDS
120 VOLT ALTERNATING CURRENT TOOLS
Tool's
Ampere
Rating
3-6
6-8
8-10
10-12
12-16
Accessories
(*= standard equipment)
(**= optional accessories)
-13-
BEARINGS
Cleaning
To avoid accidents always
dis connect the tool from
Certain cleaning agents
and sol vents damage
ammonia
and
Cord Size in A.W.G.
Cord Length in Feet
25
50
100
150
18
16
16
14
0.75
18
16
14
12
0.75
18
16
14
12
0.75
16
16
14
12
1.0
14
12
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–
house hold
Wire Sizes in mm
2
Cord Length in Meters
15
30
60
120
0.75
1.5
2.5
1.0
2.5
4.0
1.0
2.5
4.0
2.5
4.0
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