Black & Decker BDBS100 - Manual (Page 12)

12
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
OPERATION
.
WARNING: DISCONNECT MACHINE FROM
POWER SOURCE .
1. NOTE: Upper blade guard (B) Fig. 22, is shown
removed for clarity.
2. Loosen the two screws (C) Fig. 22, and adjust the
blade guides (D) as close as possible to the sides of
the saw blade, being careful not to pinch the blade.
Then tighten the two screws (C).
3. Loosen screw (E) Fig. 22, 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. Then
tighten screw (E).
4. The upper blade support/thrust bearing (G) Fig. 22,
prevents the saw blade from being pushed back too far
when cutting. The support bearing (G) should be
adjusted approximately 1/32 in. behind the blade, so
the back of the blade overlaps the outside diameter of
the ball bearing by approximately 1/8 in. To adjust,
proceed as follows:
WARNING: DISCONNECT MACHINE FROM
POWER SOURCE .
5. Loosen screw (H) Fig. 22, and slide support bearing
(G) in or out until it is approximately 1/32 in. behind the
saw blade.
6. The upper blade support bearing (G) Fig. 22, is set
on an eccentric shaft. To change position of bearing
(G), use a straight screwdriver, rotate shaft (J) Fig. 23,
until the blade properly overlaps the support bearing.
Then tighten screw (H).
Fig. 22
Fig. 23
G
F
H
E
C
C D
B
J