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W1751 25" Wide-Belt Sander
SERVICE
Conveyor Belt Tension
and Tracking
Figure 31. Push panel safety stop.
Push Panel
Safety Stop
The conveyor belt tension and tracking has been set at
the factory. However, adjust the conveyor belt tension
and tracking if you notice that your conveyor belt is
slipping or is tracking off center, or loading up against
the positioning wheels (
Figure 32) under the conveyor
table.
To adjust the conveyor belt tension and tracking, do
these steps:
1. Lift the emergency stop push panel so it contacts
the safety stop shown in
Figure 31. The safety
stop prevents the top edge of the push panel from
tearing the conveyor belt when you lift the push
panel during conveyor tracking adjustments.
2. From side-to-side, turn the conveyor belt tension
and tracking screws equal amounts so the belt
tension is snug and will not slip on the rollers when
sanding at a maximum load.
3. Start the conveyor.
4. Turn the conveyor belt tension and tracking screws
again as required to position the conveyor belt roller
evenly on each side. See
Figure 32.
—If the conveyor tracks to the right, turn the right-side
tension and tracking screw clockwise approximately
in
1
⁄4 turn increments.
—If the conveyor tracks to the left, turn the left-side
tension and tracking
screw clockwise in approximate-
ly
1
⁄4 turn increments.
5. Run the conveyor belt for at least ten minutes to
determine if the tracking is correct and the tension
stays the same.
6. Repeat steps as required to achieve the correct
tension and tracking.
KEEP loose clothing and long hair
secured and away from moving parts.
Figure 32. Conveyor belt tension and
tracking adjustment locations.
Positioning
Wheel
Tension and
Tracking Screw