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BM 2610023313 02-12_BM 2610023313 02-12.qxp 2/29/12 7:12 AM Page 13
Preventive maintenance
WARNING
performed by unauthorized
personnel may result in misplacing of
internal wires and components which
could
cause
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. However it is
recommended that the gears be relubricated
only with Bosch lubricant: WD7LUB or Skil
80111.
Always check the
oil level before
using the saw. To
check and add oil:
Remove plug from
power source and
place the saw's foot on a horizontal surface.
Remove oil plug using the same wrench used
to remove the saw blade. The oil level should
never be below bottom threads in the housing.
When adding oil, fill until oil starts to run out of
oil hole at arrow on housing and replace oil
plug.
NOTE: If oil is extra dirty or thick, replace the
plug and run the saw for one minute to warm
up the oil. Then remove oil plug and turn saw
upside down, to remove all oil. Fill housing
with kerosene. Replace plug and run for one
minute to flush out the gear housing. Drain out
the kerosene and add fresh Bosch lubricant.
With a new saw, change the oil after the first
ten hours of use.
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.
The brushes should be free from dust and dirt.
Brushes should be replaced when they have
worn down to 3/16" in length. The brushes
should slide freely in and out of the holders
without sticking.
To check brushes: Disconnect plug from
power source. Unscrew the brush caps on the
Maintenance
Service
serious
hazard.
OIL
PLUG
OIL
LEVEL
motor housing and lift out the brushes; note
which way they face, so that the brushes can
be returned to their original position. Clean the
brush holder openings with compressed air or
a clean cloth and replace the brushes and
caps.
We
Only genuine Bosch replacement brushes
specially designed for your tool should be
used.
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
load or very abrasive material cutting) should
be replaced at once to avoid overheating or
motor failure.
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, ammonia and household detergents
that contain ammonia.
CARE OF BLADES
Blades become dull even from cutting regular
lumber. If you find yourself forcing the saw
forward to cut instead of just guiding it through
the cut, chances are the blade is dull or coated
with wood pitch.
When cleaning gum and wood pitch from
blade, unplug the saw and remove the blade.
Remember, blades are designed to cut, so
handle carefully. Wipe the blade with kerosene
or similar solvent to remove the gum and pitch.
Unless you are experienced in sharpening
blades, we recommend you do not try.
-13-
BEARINGS
Cleaning
To avoid accidents always
disconnect the tool from
Certain cleaning agents
and
solvents
damage
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