TM 5-3810-206-35
KEY to fig. 4-4:
1
Jackshaft
4
Nut (8 rqr)
7
Bearing retainer (2 rqr)
10
Bearing cap (2 rqr)
2
Main hoist shaft
5
Lockwasher (8 rqr)
8
Lockwasher (6 rqr)
11
Bearing cap (2 rqr)
3
Bolt (4 rqr)
6
Bearing cap (2 rqr)
9
Capscrew
12
Bolt (4 rqr)
Figure 4-4. Main hoist shaft, right aide installed view.
(3) Remove jackshaft (horizontal swing shaft)
(10) Swing the shaft clear of the revolving frame;
gear guards and main drive chain cover (TM 5-3810-
transport it to a suitable area for further disassembly,
206-12).
then lower it to rest on cribbed wooden blocks or other
(4) Remove bearing cap (11, fig. 4-4) by
suitable support.
removing two nuts (4), lockwashers (5) and bolts (12)
securing cap to frame.
Caution:
Use extreme care while
(5) Remove two nuts (5, fig. 4-5) and
lowering jackshaft into position in
lockwashers (6) securing bearing cap (8) to revolving
sidestands to avoid damage to gears
frame (10), then remove bearing cap (8).
and sprockets.
(6) Disconnect jackshaft (horizontal swing shaft)
clutch operating mechanism from shifter collar on the
(11) Install jackshaft by reversing the procedure
jackshaft (TM 5-3810-206-12).
in steps (1) through (10) above.
(7) Remove four nuts (4, fig. 4-6), lockwashers
(5), and bolts (3) which secure center bearing housing
Note.
Adjust swing clutches and
(6) to bevel gear case (20).
swing clutch operating mechanism
(8) Remove shims (21 ) and mark for order of
before operation (TM 5-3810-206-12).
reinstallation.
(9) Position sling around shaft, attach to a
b. Disassembly.
suitable lifting device (another crane if available), then lift
(1) Remove drive sprocket (TM
vertically until shaft is clear of all obstructions.
4-6
