Maintenance - Skil 7490 Operating/Safety Instructions Manual

BM 2610918747 5/03 5/23/03
Service
Preventive maintenance
WARNING
!
performed by unauthorized
personnel may result in misplacing of
internal wires and components which
could cause serious
recommend that all tool service be performed
by a Skil Factory Service Center or Authorized
Skil Service Station.
TOOL LUBRICATION
Your Skil 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 Skil 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.
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Maintenance

should be replaced at Skil Factory Service
Center or Authorized Skil 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
!
tool from 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
Cord Size in A.W.G.
Tool's
Ampere
Rating Cord Length in Feet
25
3-6 18
6-8 18
8-10 18
10-12 16
12-16 14
-9-
Cleaning
To avoid accidents,
always disconnect the
Certain cleaning agents
and solvents damage
ammonia and household
2
Wire Sizes in mm
Cord Length in Meters
50 100 150 15 30 60 120
16 16 14 .75 .75 1.5 2.5
16 14 12 .75 1.0 2.5 4.0
16 14 12 .75 1.0 2.5 4.0
16 14 12 1.0 2.5 4.0 —
12 — — — — — —