Lower Blade Guides And Support Bearing; Pulley Alignment - Craftsman 137.224240 Operator's Manual

LOWER BLADEGUiDESAND SUPPORT BEARING
(Fig. W, X)
To avoid injury, turn the switch OFF and disconnect the
saw from the power source before making any
adjustments. NEVER make acljustments will] the machine
running.
NOTE: Make sure the blade is tensioned and tracking
properly. Tile lower blade guides and support bearings
should always be adjusted after the blade is tensioned, the
tracking is adjusted, and the upper blade guides and upper
support beanngs are properly adjusted.
Blade guides
1. Loosen both front hex socket screws (1) with a hex
wrench.
2. Move tile guide blocks (2) as close to the sides of the
blade (3) as possible without pinc!ling it.
3. Using the feeler gauge, measure the spaces between
the guide blocks and the blade. Adjust to 0.02".
4. Tighten the hex screws. (Fig. W)
5. Loosen lhe side hex socket screw (4). Move tile guide
block support bracket (6) in or out until the blocks are
just behind the saw teeth. Tighten the screw. (Fig. X)
Support bearing
6. Loosen the bearing hex socket screw (7) with the hex
wrench.
7. Move the blade support bearing shaft (8) in or out until
the support bearing (9) is 1/64"; behind the saw blade.
8. Tighten the bearing hex socketiscrew. (Fig. X)
9. The back edge of the blade (3) Ishould be positioned
1/16"to 1/8" from the right edge of the support bearing
(9), as shown. (Fig. W)
PULLEY ALIGNMENT (Fig. Y)
Tile pulley alignment has been factory adjusted and
shouldn't require further adjustrnent. If adjustnlents are
required or belt needs replacing fo ow thes6 p o_edu es
1. Place a straight edge in the front groove of both pulley s,
behind the blade wheel.
2. Turn the hex socket screw (1) in the side of the nlotor
pulley (2) to loosen the pulley on the shaft.
3. Adjust the motor pulley in or out on the motor shaft (3) to
align the edges of tile two pulleys.
4. When aligned, tiglqten tile hex socket screw on the side
of the motor pulley.
Fig.W
\
\
Fig. X
Fig. Y
f
[
7 8
1
2