TM 5-3805-261-23-2
VALVES MAINTENANCE - CONTINUED
0274 00
INSTALLATION
1.
Use clean engine oil to lubricate each valve stem.
2.
Install intake valve (5), or exhaust valve (9), and valve spring (1) in correct location in cylinder block head (2).
WARNING
Use caution when valve spring is compressed. Wear safety glasses when installing valve spring assembly.
Accidental release of valve spring may cause injury to personnel.
3.
Position valve spring compressor on top of valve
2
1
spring (1).
4.
Tighten compression spring.
5.
Install rotocoil assembly (3) to valve stem.
6.
Position two locks (4) into grooves on valve stem.
7.
Install two locks (4).
VALVE SPRING
COMPRESSOR
397-1323
NOTE
Be sure locks are in correct position in grooves on valve stems before removing valve spring compressor.
8.
Remove valve spring compressor carefully from cylinder block head (2).
TESTING
1.
Mark rotocoil assembly (3) with chalk. Tap lightly with soft-tip plastic hammer six to eight times.
NOTE
4
3
Rotocoil assembly must turn when tapped
1
with hammer several times. Replace roto-
coil assembly if it does not turn.
2
5
9
397-2219
2.
Install cylinder block head (WP 0270 00).
END OF WORK PACKAGE
0274 00-6