TM 5-4310-452-14
5-10. CRANKSHAFT REPLACEMENT.
This Task Covers:
a. Removal
b. Installation
Initial Setup:
Equipment Conditions:
Tools/Test Equipment:
• Engine off.
• General mechanic's tool kit
• Vibration damper and V-belt pulley removed (see
paragraph 5-9).
• Oil pan removed (see paragraph 5-16).
• Oil pump removed (see paragraph 5-17).
a.
REMOVAL
1.
Remove connecting rod bearing caps and bearing
sleeves (see paragraph 5-12).
2.
Remove 4 bolts (9), washers (10), and 2 crankshaft
bearing caps (7) from engine block (4).
3.
Remove crankshaft (6).
4.
Inspect bushing dowels (8). Replace if necessary.
5.
Remove main bearing halves (2 and 5) and thrust
bearing halves (1 and 3).
6.
Inspect main bearing halves (2 and 5) and thrust
bearing halves (1 and 3) for scoring, wear, or
damage. Replace if necessary.
b.
INSTALLATION
1.
Install plastigage in place on crankcase journals.
2.
Install main bearing halves (2 and 5) in crankshaft
bearing caps (7).
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