Craftsman 137221940 table saw

User Manual - Page 20

For 137221940.

PDF File Manual, 26 pages, Download pdf file

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MAINTAINING YOUR TABLE SAW
MAINTENANCE - GENERAL
For your own safety, turn the switch OFF and remove the
switch key. Remove the plug from the power source outlet
before maintaining or lubricating your saw.
1. Clean out all sawdust that has accumulated inside
the saw cabinet and the motor.
2. Polish the saw table with an automotive wax to keep
it clean and to make it easier to slide the workpiece.
3. Clean cutting blades with pitch and gum remover.
4. A worn, cut, or damaged power cord should be
replaced immediately,
All electrical or mechanical repairs should be attempted
only by a trained repair technician. Contact the nearest
Sears store for service. Use only identical replacement
parts. Any other parts may create a hazard.
5. Use liquid dish washing detergent and water to
clean all plastic parts.
NOTE: Certain cleaning chemicals can damage
plastic parts.
6. Avoid use of the following cleaning chemicals or
solvents: gasoline, carbon tetrachloride, chlorinated
solvents, ammonia and household detergents
containing ammonia.
5
Fig. EE
/
Place a small amount of dry lubricanl such as graphite or
silicon on screw rod (1) at thrust washer (5). Do not oil
threads of screw rods (1). Screw rod (1) must be kept
clean and free of saw dust, gum, pitch, and other
contaminants for smooth operation.
If excessive looseness is observed in any other part of the
blade raising mechanism or tilting mechanism, take the
complete unit to a Sears Authorized Service Center.
MAINTENANCE - BLADE RAISING AND
TILTING MECHANISM
After each five hours of operation, the blade raising
mechanism and tilting mechanism should be checked for
looseness, binding, or other abnormalities. With the saw
disconnected from the power source, turn the saw
upside down and alternately pull upward and downward
on the motor unit. Observe any movement of the motor
mounting mechanism. Looseness or play in the blade
raising screw (1) (FIG. EE) should be adjusted as follows:
1. Loosen nut (2).
2. Adjust nut (3) until it is finger-tight against the bracket
(4), then back off the nut (3) 1/6 turn.
3. Tighten nut (2) while holding nut (3).
Maximum allowable play of screw rod (1) is 4 mm.
LUBRICATION
All motor bearings are permanently lubricated at the
factory and require no additional lubrication.
On all mechanical parts of your table saw where a
pivot or threaded rod are present, lubricate using
graphite or silicone. These dry lubricants will not
hold sawdust as would oil or grease.
Page 20
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