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RZ 2610938267 01-06
requires lubrication. To lubricate the chuck,
first remove debris from the inside of the
chuck with compressed air. Apply a pea-
sized amount of general-purpose grease to
the sides of the jaws, and adjust the chuck
through its full range of motion to distribute
the grease.
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 brushes be examined.
Only genuine Bosch replacement brushes
specially designed for your tool should be
used.
BEARINGS
After about 300-400 hours of operation, or at
every second brush change, the bearings
should be replaced at Bosch Factory Service
Center or Authorized Bosch Service Station.
Bearings which become noisy (due to heavy
If an extension cord is
!
necessary, a cord with
adequate size conductors that is capable
WARNING
of carrying the current necessary for your
tool must be used. This will prevent
excessive voltage drop, loss of power or
RECOMMENDED SIZES OF EXTENSION CORDS
120 VOLT ALTERNATING CURRENT TOOLS
Cord Size in A.W.G.
Tool's
Ampere
Cord Length in Feet
Rating
25
50
3-6
18
16
6-8
18
16
8-10
18
16
10-12
16
16
12-16
14
12
1/4/06
9:39 AM
Extension Cords
Wire Sizes in mm
Cord Length in Meters
100 150
15
30
60
120
16
14
0.75 0.75 1.5
2.5
14
12
0.75 1.0 2.5
4.0
14
12
0.75 1.0 2.5
4.0
14
12
1.0 2.5 4.0
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load or very abrasive material cutting) should
be replaced at once to avoid overheating or
motor failure.
Cleaning
To avoid accidents always
!
disconnect the tool from
the power supply before cleaning or
WARNING
performing any maintenance. The tool may
be cleaned most effectively with compressed
dry air. Always wear safety goggles when
cleaning tools with compressed air.
Ventilation openings and switch levers must
be kept clean and free of foreign matter. Do
not attempt to clean by inserting pointed
objects through openings.
Certain cleaning agents
!
and
plastic parts. Some of these are: gasoline,
CAUTION
carbon tetrachloride, chlorinated cleaning
solvents,
ammonia
detergents that contain ammonia.
overheating. Grounded tools must use 3-
wire extension cords that have 3-prong plugs
and receptacles.
NOTE: The smaller the gauge number, the
heavier the cord.
RECOMMENDED SIZES OF EXTENSION CORDS
120 VOLT ALTERNATING CURRENT TOOLS
(Model RZ25 only)
Cord Size in A.W.G.
2
Tool's
Ampere
Cord Length in Feet
Rating
50
3-6
16
6-8
14
8-10
14
10-12
14
12-16
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solvents
damage
and
household
Wire Sizes in mm
Cord Length in Meters
100
30
60
14
1.5 2.5
12
2.5 4.0
12
2.5 4.0
12
4.0
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