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TM 5-4320-305-24
3-19.
REPLACE CYLINDER HEAD ASSEMBLY, ROCKER ARMS, PUSHRODS, AND TAPPETS (Continued)
3
Inspect all other components for excessive wear, alinement, dents, rust, corrosion, stripped threads, or other
damage. Replace any damaged or excessively worn components. Refer replaced rocker arms and tappets to
general support for repair. Inspect waisted bolts. If a waisted bolt is strained past the length limit of 8.366 inches
(212.5 mm), replace it.
REPAIR:
1
Refer cylinder head, rocker arms, and tappets to general support for repair as necessary.
WARNING
Death or serious injury could occur if diesel fuel oil is not handled
carefully. Use in a well-ventilated area away from open flame,
arcing equipment, ignition sources, heaters, or excessive heat.
Always store fuel in proper, marked containers. DO NOT SMOKE.
2
Open oil holes in pushrods with small wire. If necessary, soak pushrods in diesel fuel oil to loosen deposits in oil
holes, then open with wire. If pushrods or cover tubes are damaged, replace.
ASSEMBLY:
1
Mount pushrod tube compressor No. 125300
(1) in vise (2).
2
Fit compression spring (3) onto cover tube (4).
Compress with pushrod tube compressor No.
125300 (1) mounted in vise (2).
3
Install cap (5) and one washer (6) on spring
end of cover tube (4). Install second washer
(6) on other end.
3-103
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