BM 1619X01743 08-06 8/17/06 8:48 AM Page 12
performed by unauthorized
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.
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
Only genuine Bosch replacement brushes
specially designed for your tool should be
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
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
Always check the
oil level before
using the saw. To
check and add oil:
Remove plug from
power source and
To avoid accidents always
disconnect the tool from
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
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.
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
Certain cleaning agents
and solvents damage
minute to flush out the gear housing. Drain out plastic parts. Some of these are: gasoline,
the kerosene and add fresh Bosch lubricant. carbon tetrachloride, chlorinated cleaning
With a new saw, change the oil after the first solvents, ammonia and household detergents
ten hours of use.
that contain ammonia.
CARE OF BLADES
The brushes and commutator in your tool have Blades become dull even from cutting regular
been engineered for many hours of lumber. If you find yourself forcing the saw
dependable service. To maintain peak forward to cut instead of just guiding it through
efficiency of the motor, we recommend every the cut, chances are the blade is dull or coated
two to six months the brushes be examined. with wood pitch.
The brushes should be free from dust and dirt.
When cleaning gum and wood pitch from
Brushes should be replaced when they have
blade, unplug the saw and remove the blade.
worn down to 3/16" in length. The brushes
Remember, blades are designed to cut, so
should slide freely in and out of the holders
handle carefully. Wipe the blade with kerosene
or similar solvent to remove the gum and pitch.
To check brushes: Disconnect plug from Unless you are experienced in sharpening
power source. Unscrew the brush caps on the blades, we recommend you do not try.
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