(15) With a puller, remove retainer (29), bearing
(8) If fittings were removed at disassembly,
(28), spacer (30), and retainer (27) from shaft (77).
install fittings (5), nipples (46) and (48), elbow (47), and
(16) Use puller to remove auxiliary clutch drum
coupling (49) on spider (40).
(88) and spider (98) from shaft (77), then pull retainer
(9) Install spider (98) and keys on shaft (77).
(86) from left end of shaft.
(10) Install spider (40), bearing (54), threaded
(17) Pull spider (98) from shaft (77), then tap
spacer (55), packing (56) on shaft (77), then secure with
keys from shaft in a similar manner.
retainer (57).
(18) Remove retainer (57), packing (56),
(11) Install shouldered bolts (99) and (100) in
threaded spacer (55) and bearing (54) from hoist drum
spider (98).
spider (101).
(12) Slide drum (88) on spider (98) and attach
(19) Pull spider (101) off shaft (77). When
springs (95) to spider (98).
necessary, remove nipples (46), elbows (47), coupling
(13) Install planetary gears in spider (TM 5-3810-
(48), and fittings (50) from spider (101).
201-12).
(20) Remove retainer (106), packing (56), and
(14) Install spacer (30), retainer (29), bearing
bearing (54) from spider (101).
(28), and retainer (27) on shaft (77).
(21) Remove gear (107) from shaft (77).
(15) Install keys on shaft (77) and press gear
(22) Remove bearing (54), packing (56), and
(26) on shaft (77).
retainer (81) from spider (40), and remove spider (74)
(16) Position plate (24) on drum (21), secure
from shaft (77).
with six lockwashers (10) and capscrews (25), then
install bearings (17).
c. Cleaning, Inspection and Repair.
(17) Install spacer (18), bearing (17), gear (16),
and sleeve (15) on shaft (77).
(1) Clean all parts and dry thoroughly.
(18) Slide boom hoist drum (21) on shaft (77).
(19) Position spider (14) on shaft (77), then
excessive wear, straightness, cracks, breaks, or other
install spacer (12), retainer (9), and bearing (8) on shaft
damage. Inspect mounting hardware, lubrication fittings,
(77).
or retainers for damage or defect. Inspect bearings in
(20) Install shovel sprocket, or cable lagging, on
sidestand for signs of wear.
digging drum (TM 5-3810-201-12).
(3) Repair or replace defective parts as
(21) Install cable lagging on main hoist drum (TM
necessary. Replace all packings and oil seals at
5-3810-201-12).
reassembly.
(22) Install digging and hoist brakes, digging and
hoist clutches, and planetary clutch band on main hoist
d. Reassembly.
shaft (TM 5-3810-201-12).
e. Installation.
(1) Position gear (107, sheet 2 of fig. 4-9) on
shaft (77).
(1) Position sling around main hoist shaft, lift
(2)Press bearings (54) into spider (101) and
vertically until clear of revolving frame with a suitable
secure with threaded spacer (55), packings (56), retainer
lifting device.
(57), and retainer (106).
(2) Swing shaft until it is above sidestand, then
(3) Install spider (101) on shaft (77). Place keys
lower carefully into position.
in shaft (77) then press spider (98) on shaft.
(3) Install retainer (9, sheet 1 of fig. 4-9),
(4) Install auxiliary clutch drum (88), spacer (87),
bearing (8), washer (7), and nut (5) on shaft (77) and
and retainer (86) on shaft (77).
secure with cotterpin (6).
(5) Install bearing (85) in retainer (86) and
(4) Position outboard bearing support (17, fig. 4-
secure with lockwasher (84) and nut (83).
(6) Install bushing (76) in spider (74) and secure
six capscrews (1).
with pin (75). Install spider (74) and nut (83).
(7) Install bearings (54), packings (56), retainer
(81), threaded spacer (55), and retainer (57), in spider
(40), then install spider (40) on shaft (77).
AGO 20051A
4-15
