TM 5-3810-206-35
(20) Remove retainer (106), packing (56), and
(15) Install keys on shaft (77) and press gear
bearing (54) from spider (101).
(26) on shaft (77).
(21) Remove gear (107) from shaft (77).
(16) Position plate (24) on drum (21), secure with
(22) Remove bearing (54), packing (56), and
six lockwashers (10) and capscrews (25), then install
retainer (81) from spider (40), and remove spider (74)
bearings (17).
from shaft (77).
(17) Install spacer (18), bearing (17), gear (16),
c. Cleaning, Inspection, and Repair.
and sleeve (15) on shaft (77).
(1) Clean all parts and dry thoroughly.
(18) Slide boom hoist drum (21) on shaft (77).
(2) Inspect shaft, bearings, drums, and gears
(19) Position spider (14) on shaft (77), then
for excessive wear, straightness, cracks, breaks, or
install spacer (12), retainer (9), and bearing (8) on shaft
other damage. Inspect mounting hardware, lubrication
(77).
fittings, or retainers for damage or defect. Inspect
(20) Install shovel sprocket, or cable lagging, on
bearings in sidestand for signs of wear.
digging drum (TM 5-3810-206-12).
(3) Repair or replace defective parts as
(21) Install cable lagging on main hoist drum (TM
necessary.
Replace all packings and oil seals at
5-3810-206-12).
reassembly.
(22) Install digging and hoist brakes, digging and
d. Reassembly.
hoist clutches, and planetary clutch band on main hoist
(1) Position gear (107, she et 2 of fig. 4-9) on
shaft (TM 5-3810-206-12).
shaft (77).
c. Installation.
(2) Press bearings (54) into spider (101) and
(1) Position sling around main hoist shaft, lift
secure with threaded spacer (55), packings (56), retainer
vertically until clear of revolving frame with a suitable
(57), and retainer (106).
lifting device.
(3) Install spider (101) on shaft (77). Place keys
(2) Swing shaft until it is above sidestand, then
in shaft (77) then press spider (98) on shaft.
lower carefully into position.
(4) Install auxiliary clutch drum (88), spacer
(3) Install retainer (9, sheet 1 of fig. 4-9),
(87), and retainer (86) on shaft (77).
bearing (8), washer (7), and nut (5) on shaft (77) and
(5) Install bearing (85) in retainer (86) and
secure with cotterpin (6).
secure with lockwasher (84) and nut (83).
(4) Position outboard bearing support (17, fig. 4-
(6) Install bushing (76) in spider (74) and secure
5) and shaft end cap (2) over shaft (3), and secure with
with pin (75). Install spider (74) and nut (83).
six capscrews (1).
(7) Install bearings (54), packings (56), retainer
(5) Install four bolts (16) and nuts (15) and
(81), threaded spacer (55), and retainer (57), in spider
secure outboard bearing support (17) to bearing bracket
(40), then install spider (40) on shaft (77).
(18) on sidestand (10).
(8) If fittings were removed at disassembly,
(6) Position bearing cap (6, fig 4-4) on bearing
install fittings (5), nipples (46) and (48), elbow (47), and
cap (10) and secure with bolts (3), lockwashers (5), and
coupling (49) on spider (40).
nuts (4).
(9) Install spider (98) and keys on shaft (77).
(7) Install retainer (7) on right end of shaft and
(10) Install spider (40), bearing (54), threaded
secure with six lockwashers (8), and capscrews (9).
spacer (55), packing (56) on shaft (77), then secure with
retainer (57).
Note. Dipper trip mechanism will be
(11) Install shouldered bolts (99) and (100) in
installed in step (7), if unit is
spider (98).
operating as a shovel (TM 5-3810-
(12) Slide drum (88) on spider (98) and attach
203-12).
springs (95) to spider (98).
(13) Install planetary gears in spider (TM 5-3810-
(8) Install auxiliary hoisting and digging drum
206-12).
clutches (TM 5-3810-206-12).
(14) Install spacer (30), retainer (29), bearing
(9) Install boom hoist and digging brakes and
(28) and retainer (27) on shaft (77).
planetary clutch bands (TM 5-3810-206-12).
(10) Install necessary dirt and gear guards (TM
5-3810-206-12).
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