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Page Title: Section XI. MAIN BEARINGS AND CRANKSHAFT
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TM 10-3930-632-34
m.
Install the engine oil pan (para 9-17).
n.
Install the cylinder head (para 9-9).
Section XI. MAIN BEARINGS AND CRANKSHAFT
the cylinder block. Loosen the bearing caps by tapping
9-30.
General
them with a plastic hammer. Remove the bearing caps
and lower bearing shells.
Three main bearings support the crankshaft in the
cylinder block. The crankshaft provides a mounting for
the flywheel at the rear of the engine. The front of the
1.
Vent tube
19.
Gasket
crankshaft mounts the gear which drives the camshaft
2.
Elbow
20.
Adjusting washer
gear. The generator and fan drive pulley is also mounted
3.
Valve cover
21.
Regulating spring
on the front of the crankshaft.
4.
Gasket
22.
Regulating platon
5.
Nut
23.
Stud
9-31.
Removal and Disassembly
6.
Washer
24.
Plug
7.
Stud
25.
Plug
With the engine removed from the truck and
8.
Coupling
26.
Seal
9.
Cover
27.
Oil guard
mounted on an engine overhaul stand, proceed as
10.
Gasket
28.
Filler block
follows:
11.
Screw
29.
Screw
a.
Remove the cylinder head (para 9-6).
12.
Washer
30.
Lockwasher
b.
Remove the oil pan and oil pump (para 9-19).
13.
Plug
31.
Filler block
c.
Remove the gear cover (para 9-19).
14.
Plug
32.
Screw
d.
Remove the flywheel and flywheel housing
15.
Plug
33.
Lockwasher
16.
Dipstick
34.
Plug
e.
Remove the pistons and connecting rods (para
17.
Dipstick tube
35.
Plug
18.
Plug
36.
Drain cock
f.
Remove the capscrews (29, fig.  9-26) and
lock washers (30) that secure the main bearing caps to
Change 1 9-20

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