*Always follow manufacturer instructions*
BM 1609929J65 01-11:BM 1609929J65 01-11 1/20/11 10:41 AM Page 17
Preventive maintenance
WARNING
performed by unauth-orized
personnel may result in misplacing of
internal wires and components which could
cause serious hazard. We recommend that
all tool service be performed by a Bosch
Factory Service Center or Authorized 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 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
If an extension cord is
WARNING
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
heavier the cord.
* Type 27 wheel guard
* Type 1 wheel guard (included with model
1812PDS only)
* Lock nut
* Grinding wheel
NOTE: Not recommended for use with type 11 cup wheels.
Maintenance
Service
Extension Cords
Accessories
*AAA Rent-All 225-291-1356*
should be replaced at Bosch Factory Service
Center or Authorized Bosch Service Station.
Bearings which become noisy (due to heavy
load or very abrasive material cutting) should
be replaced at once to avoid overheating or
motor failure.
Cleaning
To avoid accidents always
WARNING
disconnect the tool from
the power supply before cleaning or
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
CAUTION
solvents damage plastic
parts. Some of these are: gasoline, carbon
tetrachloride, chlorinated cleaning solvents,
ammonia and household detergents that
contain ammonia.
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
* Backing flange
* Side handle
* Lock nut wrench
(*= standard equipment)
(**= optional accessories)
-17-
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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