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Maintenance and Service

WARNING!

Preventive maintenance per-

formed by unauthorized personnel may result
in misplacing of internal wires and components
which could cause serious hazard. We recom-
mend that all tool service be performed at a
Bosch Factory Service Center.

Tool Lubrication

Your Bosch tool has been properly lubricated
and is ready for use. We recommend, that tools
with gears be regreased with a special gear
lubricant every time the brushes are changed.

Carbon Brushes

The brushes and commutator in your Bosch
tool have been engineered for many hours of
dependable service. To maintain peak effi-
ciency of the motor, we recommend that every
two to six months the brushes be examined.
Only genuine Bosch replacement brushes spe-
cially 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 a Bosch Factory Service Center.
Bearings which become noisy (due to heavy
load or very abrasive material cutting) should
be replaced at once to avoid overheating and
motor failure.

Cleaning

WARNING!

To avoid accidents, always

disconnect the tool from the power supply
before cleaning or performing any maintenance.
The tool may be cleaned most effectively with
compressed 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!

Certain cleaning agents and

solvents damage plastic parts. Some of these
are: gasoline, carbon tetrachloride, chlorinated
cleaning solvents, ammonia and household
detergents that contain ammonia.

adjustment"). The width of the rabbet is con-
trolled by the width fence. The maximum
cutting width is 3-1/4" (82mm), and the final
depth is achieved by repetitive cutting until the
rabbeting depth guide contacts the workpiece.
Setting the rabbet depth: Loosen wing knob 1
and using the depth scale on the rabbeting depth
guide 2, set the desired rabbet depth. Securely
tighten wing knob 1.

Chip Extraction

The planer comes with a chip exhaust port 4,
which may be used with a chip bag or a shop
vacuum and vacuum connector to keep your
work environ-
ment cleaner.
The chip bag or
hose may be at-
tached to either
end of the ex-
haust port.
Moving the port
selector lever 6
to position 1
(towards front of tool) discharges chips to the
right, while position 2 (towards rear of tool)
discharges chips to the left.

Drive Belt

The drive belt 29 is a normal maintenance part
and should be inspected periodically for wear.
If the drive belt shows signs of drying out,
cracking or tearing, it should be replaced. If the
drive belt will not track properly or comes off
the pulleys it should be replaced.
Installing new
drive belt:
Loosen screw
18 and remove
the drive belt
cover 19. Cut
and remove
the worn drive
belt 29. Be-
fore installing
the new drive
belt, clean both pulleys thoroughly. First place
the new drive belt onto the drive pulley 30 then
rotate clockwise while pushing the belt onto the
driven pulley 28. Reinstall the drive belt cover
and securely tighten screw 18.