TM 9-2320-272-24-4
5-27. CAMSHAFT AND GEAR MAINTENANCE (Contd)
f. Installation
NOTE
Used valve must be installed in mating tappet bores. If valve
tappet position was not noted during removal, replace all valve
tappets.
Do not reuse old valve tappets if installing new camshaft.
1.
Rotate crankshaft (10) as necessary to access tappet bores (8).
2.
Coat twelve tappets (2) with GAA grease and install in tappet bores (8).
CAUTION
Use care when installing camshaft. Camshaft and bushings are
easily damaged.
3.
Apply coat of GM grease to camshaft (4) and install in engine block (7). Ensure timing marks (13)
of camshaft gear (6) and crankshaft gear (9) are aligned.
4.
Install camshaft support (11) on engine block (7) with two screws (12). Tighten screws (12) 18 lb-ft
(24 Nm).
5.
Check backlash and end play of camshaft (4) for proper seating (task a).
5-181