5.2 Disassembly,
Assembly and Adjustment
5.2.1 Disassembly
Figures in brackets are Figure Numbers in Parts List.
~
Disassembly Procedures
Remarks
1. Orient a hoist with wheel cover side up.
2. Unscrew three screws [38] (with spring washers [39])
that attach the wheel cover [37].
3. Remove the wheel cover [37] from the body A [10].
4. Insert a vertical link ofthe hand chain [43] into the
notch of the hand wheel [33] and remove the hand chain
by turning the hand wheel counterclockwise.
5. Pull out split pin [36] from the wheel stopper pin [35] and
remove the wheel stopper pin and wheel stopper [34]
from the pinion [14].
6. Remove the hand wheel [33] from the pinion [14] by
turning the hand wheel counterclockwise.
7. Remove two friction plates [32], ratchet disc [30] and
bushing [31] from the friction disc [29].
8. Remove the friction disc [29] from the pinion
[14]
by
turning counterclockwise holding the end ofthe pinion
with yourfingers.
9. Remove snap ring [28] from the pawl pin
[24]
(on the
body A [10]) and then remove pawl [27] and pawl spring
[26].
10. Unscrew the pawl pin [24].
18
.
Bring the notch ofthe hand
wheel to the right hand side.
If the hand wheel is too
tighttoturn
by hand, put
hand chain on the hand
wheel back again and pull
it down hard. It will re-
lease the brake.
"
The pawl pin is fixed with
the U nut [25].
"
