TM-5-4310-389-14
5-9
CAMSHAFT AND HAND CRANKING ASSEMBLY (ENGINE)
DESCRIPTION
This task covers: Inspect. Replace. Repair.
INITIAL SETUP
Tools:
Equipment conditions:
Removal/installation
Fuel injection pump removed
tool (003-0433)
(paragraph 4-18).
Micrometer
Materials/parts:
Oil, Lubrication, item 24 Appendix E
INSPECT
a.
Camshaft removal and inspection.
NOTE
The plate is eccentric and may have to be rotated to be removed.
1.
Dismantle the rocker chamber covers and the rocker arm shaft supports. Remove the push rods. Remove
bolts of starting crank bearing and remove crank bearing. Unscrew hex head socket screws from the starting
crank plate and remove.
2.
Remove the camshaft gear wheel. Remove the thrust washer, hold up the tappets and remove the camshaft
and tappets.
b.
Checking and replacing camshaft and bearings.
1.
Check the camshaft and its gear wheel for damage and visible signs of wear.
2.
Measure the journal at the drive end of the camshaft (figure 5-76).
NOTE
The diameter of the journal should not be smaller than the low limit given in the specifications, listed
in table 4-5. Replace the camshaft if it is defective.
5-47
