the crankshaft in the reverse of the numerical sequence
(1) Install the vibration damper and pulley
as instructed on figure 232.
assembly as illustrated on figure 231.
b. Installation.
(2) Install the radiator on the carrier engine
Figure 232. Carrier engine vibration damper and pulley assembly, exploded view.
Section XLII. CARRIER ENGINE TIMING GEARS
454. General
h. Remove the carrier engine timing gears as
The carrier engine timing gears consist of the crankshaft
instructed on figure 233.
and camshaft gears which are helically cut to provide
456. Carrier Engine Timing Gears Cleaning and
greatest meshing surface. The crankshaft gear drives
Inspection
the camshaft gear at one-half engine speed.
a. Clean all parts with an approved cleaning
455. Carrier Engine Timing Gears Removal
solvent and dry thoroughly.
a. Remove the carrier engine assembly (para.
b. Inspect all parts for excessive wear or damage.
Replace all defective parts. Always replace gears in
b. Remove the fan and fan belts (paras. 145 and
pairs.
457. Carrier Engine Timing Gears Installation
c. Remove the accessory drive (para. 403).
a. Install the carrier engine timing gears as
illustrated on figure 233.
d. Remove the oil pump (para. 431).
b. Install the vibration damper and pulley (para.
e. Remove the flywheel housing (para. 447).
f. Remove the cylinder head and valves (para.
c. Install the cylinder head and valves (para. 425).
g. Remove the vibration damper and pulley (para.
AGO 6819A
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