TM 5-3820-233-35/2
Figure 24-2 (2)-Continued
49. Crankshaft Pulley and Front Cover
a. General. The crankshaft pulley is located on the
front of the crankshaft outside of the cylinder block. The
cooling fan and battery charging generator are driven by
the crankshaft pulley. The front cover is located
between the pulley and the cylinder block and serves as
a housing for the front main bearing oil seal.
b. Removal
(1) Remove the power unit (para 23).
(2) Remove the muffler and air cleaner
(Operator' Manual).
s
(3) Remove the hoods, side panels, and tie
rods (Operator's Manual).
(4) Drain the cooling system.
Figure 25-1. Piston and connecting rod, remove
(5) Remove the radiator assembly (para .33).
and installation
(6) Remove the fan and generator drive belts
(Operator's Manual).
bracket into the corner formed by the cylinder head and
(7) Refer to figure 28-1 and remove the
housing.
crankshaft pulley and front cover.
c. Disassembly.
Disassemble the crankshaft
(5) Install the oil pan (para 44).
pulley and front cover in the numerical sequence as
(6) Install the power takeoff assembly (para
illustrated on figure 28-2.
d. Cleaning, Inspection, and Repair
(7) Refer to the Operator's Manual and install
(1) Clean all parts with an approved solvent
the air cleaner brackets, tachometer, overspeed
and dry thoroughly.
governor, throttle control and linkage.
(2) Inspect all parts for wear and dam age.
(8) Refer to the Operator' Manual and install
s
Replace worn and damaged parts.
the- starter.
e. Reassembly. Reassemble the crankshaft pulley
(9) Refer to the Operator's Manual and install
and front cover in the reverse of the numerical
the hoods, side panels, and tie rods.
sequence as illustrated on figure 28--2.
(10) Refer to the Operator's Manual and install
f. Installation
the muffler and air cleaner.
(1) Refer to figure 28-1 and install the
(11) Install the power unit (para 23).
crankshaft pulley and front cover.
(2) Refer to the Operator's Manual and install
fan and generator drive belts.
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