TM 5-3810-206-35
(4) Install elbow and connector on pilot bearing
propelling shaft gear guard, and swing brake dirt guard
stand (14, fig. 4-6) then connect lubricating line (22).
(TM 5-3810-206-12).
(5) Install swing brake band (para 4-24).
(7) Adjust swing brake (TM 5-3810-206-12).
(6) Install horizontal gear train cover, vertical
(8) Lubricate (LO 5-3810-206-12).
Section XIII. VERTICAL PROPELLING SHAFT AND PIVOT CENTER GUDGEON
crawler frame. The gear at top of shaft meshes with
4-27. General
swing gear on vertical swing shaft and the bevel gear on
The vertical propelling shaft is located toward the front of
bottom of shaft meshes with the bevel gear on horizontal
revolving frame, ahead of the main drum (hoist) shaft. It
propelling shaft in the crawler.
passes through the revolving frame and pivot center
gudgeon of the
4-28. Vertical Propelling Shaft and Pivot Center
Gudgeon
a. Removal and Disassembly.
(1) Stop engine (TM 5-3810-206-12).
(2) Drain and remove propelling gear oil pan
(TM 5-3810-206-12).
(3) Remove vertical propelling shaft gear guard
(TM 5-3810-206-12).
(4) Disconnect lubricating line (10, fig. 4-2) at
the shifter collar half (18).
(5) Remove shifter fork and lever (para 4-26).
(6) Remove two nuts (20), shifter collar (18) and
bolts (17) from jaw clutch (16).
(7) Lift jaw clutch (16) up and off gear (15).
(8) Use a suitable lifting device to remove gear
(15) from top of shaft (21).
(9) Remove fitting (4, fig. 4-17) from upper end
of shaft (12).
(10) Working from beneath revolving frame,
block up bevel gear (15) and remove retaining ring (16)
from shaft (12).
(11) Secure a sling around upper end of shaft
(12) and use a suitable lifting device to pull shaft upward
and out of pivot center gudgeon (11).
(12) Lift bevel gear (15) out of the mounting
position.
KEY to fig. 4-17:
1
Bolt (2 rqr)
11
Pivot center gudgeon
2
Shifter collar half
12
Vertical propelling shaft
(2 rqr)
13
Sleeve bearing, flanged
3
Jaw clutch
14
Thrust washer
4
Fitting
15
Bevel gear
5
Lockwasher (2 rqr)
16
Retaining ring
6
Nut (2 rqr)
17
Dowel
7
Gear
18
Connector (2 rqr)
8
Pipe coupling
19
Line
9
Bearing
20
Pipe nipple
10
Sleeve bearing, flanged
Figure 4-17. Vertical propelling shaft and pivot center
Figure 4-17. - Continued.
gudgeon, exploded view.
4-25
