1
2
3
4
2
1
6
1
5
TM 9-4940-568-34
7-15
a.
Disassembly.
NOTE
Cylinder head has integral valve
guides and valve seats. The seats
can be re-ground. Service valve
guides are also available to
replace worn guides.
The following is a maintenance
procedure for one valve spring,
two valve collets and valve. The
maintenance procedure for the
remaining seven valve springs,
valve collets and valve is
identical.
(1)
Mark valve (1) to identify position and to
aid in assembly.
Use care when removing springs.
Springs are under tension and can
act as projectiles when released.
Failure to comply may result in
injury to personnel.
(2)
Using spring compressor, compress valve
spring (2) and remove valve collets (3).
(3)
Release valve spring (2) slowly and remove
retainer (4), valve spring (2) and valve (1)
from cylinder head (5).
(4)
Remove valve seal (6) from cylinder head
(5).