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Maintenance
Extension Cords
If an extension cord is
necessary, a cord with
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
heav i er the cord.
RECOMMENDED SIZES OF EXTENSION CORDS
120 VOLT ALTERNATING CURRENT TOOLS
Tool’s
Ampere
Rating
Cord Size in A.W.G. Wire Sizes in mm
2
Cord length in feet Cord length in Meters
25 50 100 150 15 30 60 120
3-6 18 16 16 14 0.75 0.75 1.5 2.5
6-8 18 16 14 12 0.75 1.0 2.5 4.0
8-10 18 16 14 12 0.75 1.0 2.5 4.0
10-12 16 16 14 12 1.0 2.5 4.0 —
12-16 14 12 — — — — — —
▶ Carbon Brushes
The brushes and commutator in your tool
have been engineered for many hours of
dependable service. To maintain peak ef-
ficiency of the motor, we recommend ev-
ery two to six months the brush es be ex-
amined. Only genuine Bosch replace ment
brushes specially designed for your tool
should be used.
▶ Cleaning
Certain cleaning agents
and solvents damage
plastic parts. Some of these are: gasoline,
carbon tetrachloride, chlorinated cleaning
solvents, ammonia and household deter-
gents that contain ammonia.
Ventilation openings and switch levers
must be kept clean and free of foreign
matter. Do not attempt to clean by insert-
ing pointed objects through opening.
▶ Accessory Storage &
Maintenance
Store accessories in a cool dry place and
avoid freezing. Before use check accessory
for cracks and fractures, do not use if dam-
age is suspected.
Accessories
The use of accessories not specified for use with the tool described
in this manual may create a hazard.
Do not use Type 11 abrasive (cup) wheels with this tool. This tool is
not designed for use with type 11 (cup) abrasive grinding wheels.
Standard Equipment Optional Accessories
Type 27 Wheel Guard
Type 41/1A Wheel Guard
Side Handle
Type 41/1A Masonry Cutting Guard
Concrete Dust Extraction Attachment
Grinding Wheel
Backing Pad
Hand Shield
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