12
4. Slide clutch housing (item #19) from end of drum shaft. Slide jaw clutch (item
#9) from end of drum shaft.
Remove (2) keys (item #48) from keyways. A screwdriver can be used, at
notch, to aid in removal of keys. Once keys have been removed, drum (item
#12) and thrust washer (item #70) can be removed from drum shaft. Parts
under drum, thrust washer (item #69), spring and disc (item #66 & #42)
should also be removed.
5. Remove bearing cap (item #73) from gear housing by
unscrewing four capscrews (item #74). Remove worm
(item #25) and bearing (item #26) from gear housing.
Use a soft hammer to gently tap input end of worm and
drive worm and bearing from gear housing. Once worm
has been removed from housing, bearing can be pressed
from end of worm.
Check for signs of wear to worm (item #25) and bearings
(item #26). Replace if necessary.
For models with optional worm brake refer to page 6,
SERVICING OF THE OIL COOLED SAFETY BRAKE, for dis-
assembly and Page 7, for re-assembly instructions.
6. Remove gear housing cover (item #11) from gear housing
(item #20) by unscrewing five remaining capscrews (item
#31). Place capscrew into two tapped holes of cover and
tighten. This will pull the cover loose from gear housing.
Remove cover gasket (item #45) and pull shaft (item
#23), with gear attached, and thrust washer (item #70)
from gear housing.
7. Check for signs of wear on gear teeth. If replacement of
gear is necessary, gear must be replaced as follows:
a. Press gear (item #16) from shaft (item #23).
b. Examine shaft keys and keyways. If distortion of keys and/or
keyways is evident, shaft and keys should be replaced.
c. Use a soft hammer to gently tap keys (item #49) into key-
ways. Press gear (item #16) over shaft and keys. Gear must
be centered over keys.