TM 5-3895-373-34
2.17
DIESEL ENGINE REPAIR - Continued.
D.
REPAIR - Continued.
(3)
Install exhaust valve seat inserts (155)
using universal puller kit, hydraulic
press frame, and insert valve seat
remover and replacer. Install exhaust
valve seat inserts with bevel-edge
facing
out
from
cylinder
head
assembly. Refer to paragraph D.9.
(4)
Install exhaust valves (151) through
bottom of cylinder head assembly.
(5)
Install intake valves (150) through
bottom of cylinder head assembly.
NOTE
Tightly wound end of valve spring is
installed
toward
cylinder
head
assembly.
(6)
Install seats (154).
(7)
Install springs (153 and 152).
(8)
Install preformed packings (149) on
intake and exhaust valves.
(9)
Use a valve spring compressor to
compress valve springs (153 and
152).
(10) Install valve spring locks (148 and
147).
(11) After installing valves in the cylinder
head assembly and cleaning cylinder
head assembly face with a cleaning
cloth, use a steel machinist’s rule and
a thickness gage to check valve head
depth below cylinder head assembly
face.
(12) Exhaust valves (151) should be 0.047
to 0.073 in. (1,19 to 1,85 mm) below
cylinder head assembly face.
(13) Intake valves (150) should be 0.035 to
0.061 in. (0,88 to 1,54 mm), below
cylinder head assembly face.
(14) If exhaust valve (151) depth is greater
than 0.073 in. (1,85 mm), replace
valve and/or washer (154).
(15) If intake valve depth is greater than 0.061
in. (1,54 mm), it will be necessary to
replace
valve
or
cylinder
head
assembly.
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