1 Pulley
15 washer
2 Screw (2)
16 Gasket
3 Washer (2)
17 Block
4 Block
18 Bolt (2)
5 Gasket
19 Washer (2)
6 Guard
20 cap
7 Felt
21 Pin
8 Cap
22 Jaw
9 Cap
23 Deflector
10 Screw (6)
24 Gear
11 Cap
25 Thrust plate
12 Bearing (6)
26 Key
13 Dowel
27 Crankshaft
14 Screw (2)
Figure 5-10. Crankshaft and related parts, exploded view.
c. Installation.
b. Cleaning and Inspection.
(1) Refer to figure 5-10 and install crankshaft,
(1) Clean all parts.
bearings and seals.
(2) Inspect parts for defects. Replace defective
(2) Check fit of the bearing inserts by placing a
parts.
piece of feeler stock, 1/2 inch wide between insert and
(3) Use micrometer to measure diameter of the
journal. Torque bolts 85 - 95 foot-pounds. Check
main bearing journals. This diameter should measure
movement of crankshaft when turned. A positive drag
2.3744-to 2.3752-inches. If any of the main journals is
should be felt. If crankshaft fails to turn, or turns without
less than 2.3734 inches, replace crankshaft. Clearance
a drag, the inserts are defective and must be replaced.
between main bearing journals and inserts is 0.0028
(3) Install flywheel (para 5-1).
inch maximum and 0.0008 inch minimum.
(4) Install pistons and connecting rods (para 5-8).
(4) Use micrometer to measure diameter of
(5) Install timing gears (para 5-4).
connecting rod journals. They should measure 2.0619-
to 2.0627-inches. If any rod journals diameter is less
than 2.0609 inches, replace crankshaft.
5-12
