Adjustment Of Brake - Pioneer 500 ST Installation Manual

9.2

Adjustment of Brake

After extended operation of the brake lever, the brake may become worn. As the brake wears, some
adjustment to the brake is required. Lettered diagrams below correspond to lettered instructions. Follow
instructions to adjust brake:
1. Close door curtain to fully lowered
position.
2. Engage Brake lever.
3. Disconnect electrical power to motor.
4. Remove four Phillips screws (A).
5. Remove cover (B).
6. Straighten the bent tab (C) of spider nut.
.
B
A
Part No. 4801-5154 Rev 4-08
7. Tighten spider nut (C) snuggly against
blower wheel. Make sure a tab of
spider nut is aligned with a notch in the
shaft
8. Bend tab (C) downward into notch of
shaft.
9. Replace cover (B).
10. Replace four Phillips screws (A).
11. Disengage brake lever (D).
12. Adjustment complete.
C C
D
500 ST Door Page 17 of 25