69
Capscrew
82
Cap
95 Spring
70
Lockwasher
83
Nut
96 Lockwashers
71
Plate
84
Key washer
97 Nut
72
Spur gear
85
Bearing
98 Spider
73
Shaft
86
Housing
99 Shoulder bolt
74
Drum
87
Spacer
100 Shoulder bolt
75
Pin
88
Drum
101 Spider
76
Sleeve bearing
89
Bolt
102 Lockplate
77
Shaft
90
Spring
103 Lockwasher
78
Elbow
91
Lockwashers
104 capscrew
79
Brace
92
Washer
105 Nipple
80
Nipple
93
Plug
106 Retaining ring
81
Retainer
94
Capscrew
107 Gear
Figure 4-9. Main drum (hoist) shaft, exploded view (sheet 2 of 2)
(7) Remove spider (14, sheet 1 of fig. 4-9) and
NOTE
spur gear (16) from shaft (77, sheet 2 of fig.4-9).
(8) Remove sleeve bearing (13) and top keys
Remove
shovel
sprocket
from
from shaft (77).
digging drum (TM 5-3810-201-12)
(9) Remove four capscrews (31), lockwashers
when basic unit is being used as a
(32), and two keeper plates (33) from inside of gear (26).
shovel.
(10) Use a puller and remove boom hoist drum
(21) and pawl (68) from shaft (77). The pawl pins (34)
(2) Remove planetary clutch band, and the hoist
will remain in gear (26).
and digging brake bands from shaft (TM 5-3810-201-12).
(11) Remove six capscrews (25), lockwashers
(3) Remove boom hoist planetary brake, boom
(10), and lift plate (24) off boom hoist drum (21).
hoist brake, and digging brake from shaft (TM 5-3810-
(12) Separate boom hoist drum (21), pawls (68),
201-12).
springs (67), and pawl plugs (35). Remove wedge (20)
(4) Remove boom hoist safety pawl from main
from drum (79).
hoist shaft (TM 5-3810-201-12).
(13) Press bearings (23) and spacer (18) from
(5) Use gear puller and remove bearing (8, sheet
drum (21). Drive pawl pins (34) out of gear (26).
(14) Use a puller and remove gear (26) from
from shaft (77, sheet 2 of fig. 4-9).
shaft (77). Tap keys off the shaft.
(6) Remove planetary pinion gears from main
hoist shaft (TM 5-3810-201-12).
4-14
