TM 5-1940-322-24
0161 00
ENGINE VALVE TAPPETS MAINTENANCE (Contd)
CAUTION
Pit marks on the tappet faces are acceptable. A single pit cannot be
greater than 0.078 in. (2 mm). An interconnect of pits is
unacceptable. No pits are allowed on the edge of the face. The pits,
when added together, should not exceed 0.236 in. (6 mm) or four
percent of the face. Failure to comply may result in damage to the
engine.
3.
Inspect the socket (7), stem (8), and face (9) of each tappet (1) for excessive wear, cracks, and other
damage. If damaged, replace tappet (1).
1
2
~
TAPPET
INSTALLATION
TOOL
1
3
3
4
5
6
4
~
6
TAPPET INSTALLATION TOOL
1
7
TAPPET AND TAPPET
INSTALLATION TOOL
8
1
9
3
0161 00-3
