Maintenance - KNOVA KN CS-3555R Manual

OPERATION
WARNING
• If you have the lock-on feature engaged
during use and the power is disconnected to the saw,
disengage the lock-on feature immediately.
• To avoid accidental start-up of your chop saw, always
make sure the trigger switch is OFF and the lock-on
feature is disengaged before connecting to power
source. Failure to heed this warning could result in
serious personal injury.
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CUTTING A WORKPIECE (FIG. K)
WARNING
Failure to heed the safety rules could
result in serious personal injury:
• To avoid serious personal injury, always make sure
the adjustable fence is secured in position.
• Never perform any cutting operation freehand
(without placing workpiece in the vise).
• Material will get hot during cutting operations. Keep
hands off of metal being cut to avoid serious personal
injury.
• Do not touch the cut material until it cools or you can be
burned.
• Keep your hands at least 3 in. from the cutting wheel.

MAINTENANCE

WARNING
Never put lubricants on the abrasive
wheel while it is spinning. To avoid fire or toxic
reaction, never use gasoline, naphtha acetone,
lacquer thinner or similar highly volatile solvents
to clean the chop saw. To avoid injury from
unexpected starting or electrical shock, unplug
the power cord before working on the tool.
To avoid electrical shock, fire or injury, use only
parts identical to those identified in the parts list.
Reassemble exactly as the original assembly
to avoid electrical shock.
1. Place the workpiece flat on the machine base.
2. Firmly secure the material to be cut using the machine's
3. When cutting long workpieces, support the opposite end
4. Before turning the machine on, perform a dry run of the
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5. Turn on the machine by depressing the trigger switch (1).
6. Once the motor has reached full speed, slowly lower the
7. When the cut is complete, release the trigger switch and
Fig. J
REPLACING CARBON BRUSHES (FIG. L)
NOTE: Before replacing carbon brushes, make sure the
machine has been disconnected from the power source.
The carbon brushes furnished will last approximately 50 hours
of running time, or 10,000 ON/OFF cycles. Replace both
carbon brushes when either has less than 1/4 in. length of
carbon remaining, or if the spring or wire is damaged
or burned.
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• Inspect the abrasive cutting wheel before every
operation. Check for cracks, chipping and correct speed
ratings on the cutting wheel.
vise clamp assembly.
of the material with a roller stand or with a work surface
level with the machine.
cutting operation to verify no problems will occur when
the cut is made.
Allow a few seconds for the wheel to build up to full speed
before letting it come into contact with the workpiece.
(Fig. K)
handle of the cutting arm until the cutting wheel contacts
the workpiece. Continue to use steady, even pressure to
obtain a uniform cut through the workpiece. Do not force
the wheel into the workpiece.
allow the wheel to stop rotating BEFORE raising the
cutting arm out of the workpiece.
WARNING
Do not attempt to cut wood or masonry
with this chop saw. Never cut magnesium or
magnesium alloy with this machine. Failure to comply
could result in serious personal injury.
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Fig. K