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W1756/W1757 43" Wide-Belt Sander
SERVICE
Feed Belt Tracking
To adjust the feed belt tracking, do these steps:
1. Turn the feed belt ON.
2. If the feed belt is tracking to the right side of the
table, turn the
right adjustment bolt (Figure 54)
clockwise.
3. If the feed belt is tracking to the left side of the
table, turn the
left adjustment bolt clockwise.
Note: The edge of the feed belt should just touch
the guide wheels, as shown in
Figure 55.
4. Run the feed belt for 3-5 minutes and recheck the
tracking.
Figure 55. Guide wheel (one shown).
Guide Wheel
NOTICE
Adjust the feed belt tension before
adjusting the feed belt tracking.
Sanding Belt Tracking
Limit Switches
Sanding belt tracking safety switches are placed on both
sides of the belt to act as emergency machine stops if
the belt travels too far to one side during oscillation (see
Figure 56
).
To adjust the belt tracking safety switches, do these
steps:
1. DISCONNECT THE SANDER FROM THE POWER
SOURCE!
2. Make sure the sanding belt tracking and oscillation is
adjusted (See
Page 36).
3. Release the belt tension, center the sanding belt on
the top roller, then re-tension the belt.
4. Measure the distance from the edge of the sanding
belt to the ceramic rod protruding from the switch.
5. Loosen the adjustment bolt shown in Figure
56, and
move the switch so the belt and the ceramic rod have
approximately
1
⁄2" clearance from each other.
6. Tighten the bolt and repeat the adjustment with the
other side if necessary.
7. Start the sander and make sure it is working
properly.
Figure 56. Tracking safety switch
adjustment bolt.
Adjustment
Bolt