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Tool Lubrication; Carbon Brushes; Maintenance - Bosch 1375A - Grinder Angle 4 1/2 Small 6 Amp Operating/Safety Instructions Manual

Operating instructions
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BM 1619P01046 5-05
5/10/05
Service
Preventive maintenance
WARNING
!
performed by unauth-
orized personnel may result in misplacing
of internal wires and components which
could
cause
serious
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 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.
Wheel guard*
Grinding wheel*
Side handle*
(*= standard equipment)
(**= optional accessories)
10:39 PM
Page 11

Maintenance

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.
hazard.
We
WARNING
!
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.
CAUTION
!
plastic parts. Some of these are: gasoline,
carbon tetrachloride, chlorinated cleaning
solvents,
detergents that contain ammonia.
Accessories
RECOMMENDED SIZES OF EXTENSION CORDS
120 VOLT ALTERNATING CURRENT TOOLS
Tool's
Ampere
Rating
3-6
6-8
8-10
10-12
12-16
Lock nut*
Carrying case* (Model 1375AK only)
Backing flange*
Lock nut wrench*
-11-
Cleaning
To avoid accidents always
disconnect the tool from
Certain cleaning agents
and
solvents
damage
ammonia
and
household
Cord Size in A.W.G.
Wire Sizes in mm
Cord Length in Feet
Cord Length in Meters
25
50
100 150
15
30
60
18
16
16
14
0.75 0.75 1.5
18
16
14
12
0.75 1.0 2.5
18
16
14
12
0.75 1.0 2.5
16
16
14
12
1.0 2.5 4.0
14
12
2
120
2.5
4.0
4.0

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