TM 5-3825-213-35
253. Plow and Carrier Engine Crankshaft and Main
252. Plow and Carrier Engine Crankshaft and Main
Bearings Installation
Bearings Cleaning, Inspection, and Repair
a. Install the crankshaft and main bearings as
a. Cleaning. Clean all parts with an approved
instructed on figure 73.
cleaning solvent and dry thoroughly.
b. Install the piston and connecting rods (par. 249).
b. Inspection and Repair.
c. Install the lower and upper oil pan (par. 230).
(1) Inspect crankshaft journals for wear and
out-of-round. The main bearing journals
d. Install the flywheel housing and flywheel
are 3.748 to 3.749 inches. The connecting
assembly (par. 238).
rod bearing journals are 3.250 to 3.252
e. Install the crankcase and timing gear covers,
inches. Replace crankshaft or regrind the
vibration damper, and crankshaft pulley (pars. 242, 245).
respective set of crankshaft journals if wear
f. Install the cylinder heads (par. 220).
exceeds 0.007 inch on any journal.
(2) Inspect all other parts for defective
3825-213-20).
condition.
Replace or repair worn,
h. Install the fan blade and pulley (TM 5-3825-213-
damaged, or defective parts.
20).
(3) Position crankshaft in a lathe and use a dial
i. Install the plow and carrier engine (pars. 49 and
indicator to measure for runout or sprung
shaft.
Section XVII. PLOW AND CARRIER ENGINE CAMSHAFT ASSEMBLIES
254. General
Inspect all parts for
b. Inspection and Repair.
The camshaft is a one-piece, alloy steel, precision
defective condition. Replace or repair worn, damaged, or
machined shaft. It is driven by the crankshaft gear and
defective parts.
257. Plow and Carrier Engine Camshaft Assembly
255.
Plow and Carrier Engine Camshaft Assembly
Installation
Removal
a. Install the plow and carrier engine camshaft
a. Remove the plow and carrier engine (pars. 49,
assembly as illustrated on figure 74.
b. Install the plow and carrier engine rocker arms,
b. Remove the timing gear cover (par. 243).
push rods, and lifters (par. 220).
c. Remove the rocker arms, push rods, and lifters
c. Position the No. 1 piston on compression stroke
and aline the match marks of the camshaft gear with
crankshaft gear.
d. Remove the camshaft assembly as illustrated on
d. Install the plow and carrier engine timing gear
cover (par. 245).
256. Plow and Carrier Engine Camshaft Assembly
e. Install the plow and carrier engine (pars. 49, 50).
Cleaning, Inspection, and Repair
a. Cleaning. Clean all parts with an approved
cleaning solvent and dry thoroughly.
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