(4) Install dirt guard (10, fig. 4-11) and secure
with two capscrews (11), then install lock-wire (12).
(5) Install pipe bushing (12, fig. 4-12) in shaft
(7) then install fitting (11) in bushing (12).
(6) Install the two rear sections of horizontal
gear train cover (TM 5-3810-201-12).
(7) Lubricate in accordance with LO 5-3810-
201-12.
1
Capscrew, drilled head (2 rqr)
2
Lockwire
3
Dirt guard
4
Washer
5
Spur gear
6
Bearings (2 rqr)
7
Shaft
8
Keeper plate
9
Lockwasher (2 rqr)
10
Capscrew (2 rqr)
11
Fitting
12
Pipe bushing
Figure 4-12. Vertical intermediate idler shaft, exploded view.
Section X. VERTICAL INTERMEDIATE SWING SHAFT
(6) Lift intermediate swing shaft upward and
4-21.
General
out of revolving frame.
The vertical intermediate swing shaft is located directly
under center of horizontal swing shaft (jackshaft). The
bevel gear at top of vertical intermediate swing shaft
meshes with the two bevel gears on jackshaft (horizontal
swing shaft). The bearing on top of intermediate shaft
fits into bottom outer race of jackshaft center bearing
housing. The pinion on intermediate shaft meshes with
spur gear on top of vertical idler shaft.
4-22.
Vertical Intermediate Swing Shaft
a. Removal.
(1) Drain bevel gear case on jackshaft (LO 5-
3810-201-12).
(2) Support weight of vertical intermediate
swing shaft from underneath revolving frame (9, fig. 4-
(3) Remove jackshaft (horizontal swing shaft)
1
Bearing retainer
2
Bearing retainer cap
3
Cotterpin
(4) Remove cotterpin (3), pin (4), and fit-ting
4
Pin
(5) from bearing retainer cap (2).
5
Fitting
(5) Remove six nuts (7), lockwashers (8), and
6
Bolt (6 rqr)
bolts (6), then remove bearing retainer (1).
7
Nut (6 rqr)
8
Lockwasher (6 rqr)
9
Revolving frame underside
Figure 4-13. Intermediate swing shaft, removal
4-19
