TM 5-3810-294-34
axially in the bore. Prepack bearings (12 and (35) with
to install elbow (21) at both ends of tube (23) so that
GAA grease and install bearings on the shaft making
lubricant can reach both bearing (12) and (35).
sure they are pressed firmly against the shaft shoulders.
g. Tighten split lagging (28) in position, using
Apply force to the inner races of the bearings only.
items (24, 25, 26, 29, and 30). Install capscrews (13)
b. Lubricate all seals (6, 9, 36, and 38) and install
and lockwashers (14) around perimeter of drum (18)
seals in their respective retainers, with the exception of
and extending into lagging (28).
seal (36). This seal must be installed directly in drum
h. Install sprocket (31) and secure in position
(18).
with lockwashers (32) and capscrews (33).
c. Install gasket (11), and retainer (10) with seal (9)
i. Install gear (37), making sure the gear hub is
in place. Secure these items in position with capscrews
firmly against bearing (35). Be careful to avoid
(8).
damaging seal (36) when pushing the hub of gear
d. Install clutch (7), being careful not to damage seal (9)
(37) through the seal.
as clutch hub enters the seal.
j. Place retainer (39) with seal (38) on shaft (34).
e. Install retainer (5), with seal (6) in place, on the
Warm the inner race of bearing (40) and press race
hub of the clutch spider. Heat and install inner race of
firmly against seal (38). Prepack bearing inner race
bearing (4) on shaft (34), making sure the race butts
with GAA grease and install the outer race over the
firmly against hub. Prepack inner race of the bearing with
inner race to prevent contamination of the lubricant.
GAA grease. Install keyed washer (3), lockwasher (2),
This completes bench assembly.
and nut (1). Place outer race of bearing (4) over the inner
5-36. Installation
race to prevent foreign material from contaminating the
Refer to paragraph 2-16 and install front drum-
lubricant. Place split lagging (28) over hub of drum (18).
shaft assembly. Be sure to line up the marked hole
f. Install fitting (19) and nipple (20). Install elbow (21),
in the clutch spider with the hole in the shaft to
fitting (22), and tube (23). Be careful
assure proper lubrication of shaft bearings.
Section VII. REPAIR OF REVERSING SHAFT
b. Press shaft (2) out of the assembly in direction shown.
5-37. Description
Bearing (1) will come off on the shaft. Remove bearing from
The reversing shaft reverses direction of rotation of the
the shaft.
front drumshaft (main load line) to provide power load
c. Remove spacer (22), O -ring (21), and seal (20).
lowering. Drum reversal is accomplished by engaging the
d. Remove bearing (19), using a suitable puller. Remove
reversing shaft clutch while leaving the front drum clutch
lock ring (181.
disengaged. Since the reversing shaft is gear driven
e. Remove capscrews (17). Remove drum (16). Remove
directly from the front drumshaft gear, the direction of
seal (14) from drum (16).
rotation imparted to the front drumshaft is reversed. The
f. Remove shims (11, 12, and 13). If they are in good
front drumshaft is driven by a chain-sprocket
condition, tie them together in the order in which they were
arrangement from reversing shaft when the reversing
removed for future use during assembly. If they are not in
shaft clutch is engaged (fig. 5-1).
good condition, measure and record their total thickness for
5-38. Removal
use during assembly.
g. Block clutch housing (8) and press reversing shaft
Refer to paragraph 2-17 and remove the reversing
hub (3) out of the clutch housing, pressing on the end of the
shaft.
hub which is tapped for capscrews (17). Bearing (10) will
remain in housing (8). The inner race of bearing (5) will
5-39. Disassembly
come off on hub (3).
h. Remove shims (6 and 7), two grease fittings (15),
Refer to figure 5-10 and disassemble the reversing
and two relief fittings (9).
shaft as follows:
a. Stand assembly on end on suitable wooden
blocking, with hub (3) facing downward.
5-22
