Pacific Hoists PEH050NH Operation Manual page 25

6.5.1Method of adjusting motor brake gap <PEH100-1/200-2/200-1/300-2/500-2>
1 When the brake function affects the operation of hoist
2 Brake lining motion causes abnormal noise
3 Brake gap is over 0.7mm.
※Note：To prevent risks , the hoist must be in unload and power-off during the
adjustment
Tools needed
A. Hex Wrench
B. Thickness gauge
Method of adjusting
1. Use hex wrench to loosen ○ 1 set screw,
then ○ 2 Y type shim can be adjusted.
2. The thicknesses of Y type shim are 0.2mm
and 0.3mm. Adjust quantity as needed.
3. After adjusting each set screw of Y type
shim, Tighten the set screws evenly.
4. Use thickness gauge to check gap.
At least 3 – 4 measuring points. Gap
about 0.2~0.35mm.
5. Make sure all measuring points reach gap
value : 0.3~0.4mm. Then tighten the ○ 1
set screw.
6. Check the gap again. If there is an error,
re-adjust again.
Time to adjust
A
24
Figure
B
Figure