TM 9-2320-272-24-2
4-18. FRONT GEARCASE COVER MAINTENANCE (Contd)
e. Installation
NOTE
Perform step 1 only if camshaft and gear have been removed.
Remove two screws (1), lockwashers (2), washers (3), thrust plate (4), shims (5), and O-ring (6) from
1.
gearcase cover (7). Discard lockwashers (2).
Using GAA grease to hold gasket (11) in place, position new gasket (11) on engine block (9).
2.
NOTE
Gearcase cover is mounted with screw-assembled washers for late
model engines.
Install gearcase cover (7) on engine block (9) with fifteen washers (16), new lockwashers (17), and
3.
screws (18). Check gearcase cover (7) alignment at engine block (9) with straightedge (10). Tighten
screws (18) 50 lb-ft (61-68 Nm).
Install adjusting link (12) on gearcase cover (7) with new washer (13), lockwasher (14), and screw (15).
4.
Install brace (21) on oil pan (22) and gearcase cover (7) with four washers (19) and screws (20).
5.
Tighten screws (20) 35-40 lb-ft (48-54 N-m).
NOTE
Perform steps 6 through 8 to check camshaft thrust plate.
Remove O-ring (6) and shims (5) and push thrust plate (4) against camshaft (8).
6.
Measure dimension between thrust plate (4) and gearcase cover (7) with feeler gauge, and install
7.
enough shims (5) to provide 0.001-0.005 in. (0.025-0.120 mm) end play.
Install new O-ring (6), new shims (5), and thrust plate (4) on gearcase cover (7) with two new
8.
lockwashers (2), washers (3), and screws (1).
Coat inside of crankshaft flange (25) with engine oil and install on crankshaft (26) with washer (24)
9.
and screw (23). Tighten screw (23) 180-200 lb-ft (244-271 N-m).
4-142
