TM 5-3825-230-14&P
(5)
Install valve (6) in cylinder head (9).
(6)
Seat valve using a valve seating tool and small
amount of grinding compound.
(7)
Remove valve (6). Clean grinding compound
from valve (6), and cylinder head (9) using a
clean cloth. Inspect valve and valve seat for
continuous ring indicating proper contact.
(8)
Lubricate valve stems with engine oil.
(9)
Install valve (6), washer (5), seal (4), spring (1),
and retainer (3).
(10)
Using a valve spring compressor, compress
spring (1) and install circlips (2).
(11)
Valve heads should seat 0.0295 to 0.0492 (0.75
to 1.25 mm) deep in cylinder head.
(a)
If valve head is too shallow in cylinder
head, check proper valve seat installation.
(b)
If valve head is too deep in cylinder,
check valve seat and valve face for
excessive wear. Replace as necessary.
NOTE
Follow-on maintenance:
•
Install cylinder head (para 5-13)
•
Install rocker arm assemblies (para 5-23)
•
Reset engine timing (para 5-7)
•
Bleed fuel system (para 4-36)
END OF TASK
5-55
