TM 5-3810-206-35
(11)
Install gantry (para 2-8).
(14) Before operation adjust all brakes and
(12)
Install cab (para 2-7).
clutches (TM 5-3810-206-12).
(13)
Reeve cables (and crowd chain, if operating
(15) Perform preventive maintenance checks and
as a shovel
(TM 5-3810-206-12).
services.
Section VIII. HOISTING, DIGGING, AND AUXILIARY CLUTCHES
4-16. General
4-17. Hoisting and Digging Clutches
The hoisting and digging clutches on main drum (hoist)
a. Removal.
Remove hoisting and/or digging
shaft are identical except for clutch lever. The lever on
clutch (TM 5-3810-206-12).
digging drum clutch spider is the opposite of that on
b. Disassembly.
hoist drum clutch spider at right end of shaft. Two
(1) Remove cotterpin (8, fig. 4-10) and pin (50),
auxiliary (or booster) clutches are installed on main shaft
then lift lever (12) from clutch.
to energize hoisting and digging clutches. Auxiliary
(2) Remove cotterpin (47) and pin (46), then lift
clutches are identical, and hydraulic cylinders in both are
link (43) from auxiliary clutch drum (62).
connected to header in the lever stand.
KEY to fig. 4-10:
1
Jaw (2 rqr)
17
Keeper plate (2 rqr)
32
Capscrew (4 rqr)
47
Cotterpin (2 rqr)
2
Spring
18
Adjusting sleeve
33
Bracket
48
Nut
3
Flatwasher (2 rqr)
(2 rqr)
34
Lockwasher
49
Sleeve bearing
4
Nut (2 rqr)
19
Clutch shoe (2 rqr)
35
Capscrew
50
Pin
5
Rivet (12 rqr)
20
Capscrew (2 rqr)
36
Capscrew
51
Capscrew (2 rqr)
6
Clutch shoe (2 rqr)
21
Lockwasher (4 rqr)
37
Capscrew (4 rqr)
52
Capscrew
7
Lining (2 rqr)
22
Nut (14 rqr)
38
Lining (2 rqr)
53
Plug
8
Cotterpin (2 rqr)
23
Spider
39
Rivet
54
Bumper
9
Nut (2 rqr)
24
Bolt, shoulder
40
Trunnion (2 rqr)
55
Nut
10
Lockwasher (2 rqr)
25
Bolt, shoulder
41
Brakeshoe adjusting
56
Co tterpin
11
Flatwasher (2 rqr)
26
Nuts (6 rqr)
bolt(2 rqr)
57
Washer
12
Lever
27
Stud (6 rqr)
42
Nut (2 rqr)
58
Washer
13
Nut (2 rqr)
28
Eyebolt (6 rqr)
43
Link
59
Pin (4 rqr)
14
Lockwasher (4 rqr)
29
Spring (3 rqr)
44
Spring
60
Cotterpin
15
Washer (2 rqr)
30
Bracket (4 rqr)
45
Sleeve bearing (4 rqr)
61
Pin
16
Capscrew (2 rqr)
46
Pin (2 rqr)
62
Drum
Figure 4-10. Hoisting, digging, and auxiliary clutches, exploded view.
4-16
