Maintenance; Recommended Sizes Of Extension Cords; Tool Lubrication; Carbon Brushes - Craftsman 130.27719 Owner's Manual

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Service
Preventive maintenance
performed by unauthorized
personnel may result tn misplacing of
internal wires and components which could
cause serious hazard. We recommend that
all tool service be performed by a Sears
Service Facility.
Tool Lubrication
Your tool has been propedy }ubricated and
should be replaced at an Authorized Service
Center, Bearings which become noisy (due to
heavy lead or very abrasive material cutting)
should be replaced at once to avoid
overheating or motor failure.
Cleaning
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
fs ready to use. It is recommended that tools compressed dry air, Always wear safety
with gears be regreased with a special gear goggles when cleaning tools with
lubricant at every brush change, compressed air.
Carbon Brushes Ventilation openings and switch levers must be
The brushes and commutator in your tool have kept dean and free of foreign matter. Do not
been e_Jineered for many hours of
dependable sen'ice. To maintain peak
efficier'_y of the motor, we _mend avery
two to six months the bn._shasbe examined.
Only genuine Sears replacement brushes
specially designed for your tool should be
used.
Bearings
After ab<:_Jt300400 hours of operation, or at
every second brush change, the beaffngs
attempt to aieas by inserting pointed objects
through openings.
_ Certain cleaning agents and
solvents damage ptas_c
parts. Some of these are: gasoline, carbon
tetrachloride, chlorinated cleaning solvents,
ammonia and household detergents that
contain ammonia.
If an extension cord is necessary, a cord with adequate size
conductors that is capable of carrying the current necessary for your
tool must be used. This wt]l prevent excessive voltage drop, tose of power or overheating.
Grounded tools must use 3-wire extension cords that have 3-prong pIugs and receptacles.
RECOMMENDED SIZES OF EXTENSION CORDS
120 VOLT ALTERNATING CURRENT TOOLS
TOO|PS
Ampere
Rating
3-6
6-8
8-10
10-12
12-16
Cord Size in A,W.G. Wire Sizes in mm2
Cord Length in Feet Oord Lengthin Meters
25 50 100 150 15 30 60 120
18 16 16 14 .75 .75 1.5 2.5
18 16 14 12 .75 t.0 2.5 4,0
18 16 14 12 L 75 !.0 2.5 4.0
16 16 14 12 1.0 23 4.0 -
14 12
NOTE: The smaller the gauge number, the heavier the cord.
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