TM 5-3820-233-35/l
e. Countershaft Bearing Reassembly. Reas-
(2) Fill cavity between the oil seals and
semble both countershaft bearing assemblies
housing bores with chassis grease to prevent
in similar manner as illustrated on figure 34-
oil leakage.
(3) Fill speed reducer with lubricant
(Operator's Manual).
f. Speed Reducer Reassembly
g. Reassembly and Installation
(1) Reassemble speed reducer in the re-
(1) Reassemble the conveyor drive com-
verse of the numerical sequence as illustrated
ponents (11 through 29) to countershaft sup-
on figure 34-2. Follow the instruction below
port (30) as illustrated on figure 34-1.
for installing gear and bearings.
(2) Install countershaft support com-
(a) Heat gear (37) in oil to 325F--
plete with pulleys, bearing assemblies, and
350F, and install gear onto hub (40).
countershaft attached, to the truck frame. Se-
(b) Heat bearings (36) in oil to 270F
cure in place with nuts (7), lockwashers (8),
--290F, and install bearings onto hub (40).
bevel washers (9), and capscrews (10).
Caution: Any injury to the hub sur-
(3) Install drive belt (6).
faces where oil seals (34 and 46) rub will
(4) Reassemble bushing (3), pulley (4),
cause leakage, and a new hub will have to
and key (5) to speed reducer.
be installed.
(5) Install speed reducer to conveyor
head pulley shaft (para 27).
(6) Adjust for proper V-belt tension
onto shaft (45), press against the inner race, and the
(Operator's Manual).
outer race, of the bearings.
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