12
GEAR
GEAR
GEAR
GEARBOX
BOX
BOX
BOX DISASSEMBLY
DISASSEMBLY
DISASSEMBLY
DISASSEMBLY
1. Supporting the end of the output
shaft (49) with a hoist, remove the
cover (33) by removing capscrews
(31 and 32), nuts (12 and 28), and
washers (13 and 27).
2. Use the hoist to lift the output shaft
(49), bushings (21), keys (45), roll
pin (46), and gear (assembled items
12, 13, 35, 43, and 44) out of the
housing (36). Remove the bushings
(21) from the output shaft (49).
3. Remove the gear (35) from the
carrier (43) by removing the twelve
capscrews (44), nuts (12), and
washers (13). Remove the carrier
(43) by removing the roll pin (46).
Finally, remove the keys (45).
4.
Remove the worm (37) from the
housing (36) by removing either the
motor (81) and motor adapter (85),
or just the end cap (39), depending
on the type of drive. From the brake
end, push the worm (37) out of the
housing (36). If the brake has not
been
removed,
see
brake
disassembly on page 9 or 10.
5. Inspect parts as follows, replace if
necessary:
A. Inspect the carrier (43) for
damage.
B. Inspect
the
gear
(35)
for
excessive wear. See Pg.12 this
manual for detailed instructions.
C. Inspect the keys (45) and
bushings (21) for damage.
D. Inspect
the
worm
(37)
for
excessive wear or signs of heat
checking or cracks.
E. Inspect the bearings (11) and
seals (10) for excessive wear or
damage.
