TM 9-6115-664-13&P
5-12. CAMSHAFT MAINTENANCE
1.
Clean exterior of camshaft assembly using a clean
rag dampened with cleaning solvent. Dry
thoroughly.
2.
Clean engine block mounting surface using a
clean rag dampened with cleaning solvent.
Ensure that all gasket material is removed from
engine block.
3.
Inspect the camshaft for scoring on bearing
surfaces and surfaces of cam lobes. Replace the
camshaft assembly if scored in any way.
4.
Inspect teeth of camshaft gear for scoring or
excessive wear. Check for chips, cracks, and
nicks.
C.
INSTALLATION.
1.
Mate new gaskets (6, 10, Figure 5-6) to camshaft
assembly (3).
2.
Manually rotate the flywheel to top dead center
(TDC) position. Install the camshaft assembly (3),
making sure that the timing marks on the camshaft
gear wheel (12) and crankshaft gear wheel (11)
are aligned.
3.
Apply a thin coat of loctite compound to threads of
screws (5) and install in a crisscross pattern.
4.
Install cover (9) using two screws (8).
5.
Mate crank handle guide (1) to camshaft assembly
(3). Secure using screws (2).
6.
Install fuel injection pump (Para. 5-10) and
cylinder head (Para. 5-9).
7.
Install mechanical fuel pump (Para. 4-55) and
engine start solenoid (Para. 4-45).
8.
Install engine (Para. 5-8).
Figure 5-6. Camshaft
(Sheet 2 of 2)
5-36
