Delta BS150LS Instruction Manual page 14

ADJUSTING UPPER BLADE GUIDES
AND BLADE SUPPORT BEARING
IMPORTANT." Both the upper and lower blade guides
must be properly adjusted to prevent the blade from
twisting during operaion.
Disconnect machine from power source.
Upper blade guard (b) Fig. 27 is shown
removed for clarity. Always make sure
the upper blade guard is installed and properly
adjusted before operating the band saw.
1. Loosen the two screws (C) Fig. 27, and adjust the
blade guides (D) as close as possible to the sides of
the saw blade, being careful not to pinch the blade.
Tighten the two screws (C).
2. Loosen screw (E) Fig. 27, and move the guide bracket
(F) in or out until the front edge of the guides (D) are
just behind the "gullets" of the blade teeth. Tighten
screw(E).
3. The upper blade support thrust bearing (G) Fig. 27
prevents the saw blade from being pushed back too
far when cutting. The support bearing (G) should be
adjusted approximately 1/32" behind the blade. The
blade should also overlap the outside diameter of the
ball bearing by approximately 1/8". To adjust:
4. Loosen screw (H) Fig. 28, and slide support bearing
(G) in or out until it is approximately 1/32" behind the
saw blade.
8.
The upper blade support bearing (G) Fig. 27, is set on
an eccentric shaft. To change position of bearing (G),
use a straight screwdriver, rotate shaft (J) Fig. 28,
until the blade properly overlaps the support bearing.
Then tighten screw (H).
Fig. 27
Fig. 28
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