TM 9-4520-272-14&P
0077 00
INSPECTION
1. Measure the outside diameter (OD) of the rocker arm support shaft (10) (see illustration). OD must be
0.4685 inch (11.90 mm), minimum. Replace support (1) if out of limits.
2. Measure the internal diameter (ID) of the rocker arms. ID must be 0.4764 in (12.10 mm), maximum.
Replace rocker arm (4 and 5) if out of limits.
INSTALLATION
1. Install lock nuts (6) and adjusting screws (7) onto rocker arms (4 and 5). Install valve caps (8). Install
rocker arms onto rocker arm support (1).
2. Install rocker arm support (1) onto cylinder head (2) using two bolts (3). Torque bolts to 14.5 to 16.5
ft-lbs. (200 to 230 kg-cm).
3. Adjust valve clearance IAW WP 0041 00.
4. Install rocker cover IAW WP 0041 00.
6
7
3
6
1
5
2
8
10
4
8
9
0077 00-2
