TM 10-4610-229-24
3-61. VALVE GROUP REPAIR (CONT)
2
Remove washer and rocker arm.
NOTE
Center bracket does not have a pin.
3
Remove pins from end brackets.
4
Remove brackets, rocker arms, and springs from rocker arm shaft.
5
Inspect all parts for cracks, wear, and other damage. Replace as required.
c. Rocker Arm Assembly
1 Coat rocker arm shaft with engine oil (MIL-L-2104).
2
Install center bracket and rocker arms.
3
Install spring rocker arm, and bracket on each end of rocker arm shaft.
4
Install bracket pin with 0.46-0.54 in. extended from surface of bracket.
5
Install outside rocker on each end of shaft.
6
Install washers as needed to get assembly clearance of 0.012-0.055 in. at each end of shaft.
7
Install retainer on each end of shaft.
d. Rocker Arm/Push Rod Installation
1
Apply engine oil (MIL-L-2104) on dowels for bridges.
2
Install bridges on dowels. Keep hand pressure on bridges. Turn adjusting screw until contact is made with valve
stem.
3
Turn adjusting screw an additional 20
to 30°.
4
Holding adjusting screw in this position. Tighten locknut 19-25 ft lb.
5
Install push rods. Install rocker arm assembly.
6
Apply engine oil (MIL-L-2104) on rocker arm bolts.
7
Evenly install three rocker arm bolts.
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