TM 9-2815-225-34&P
3-85. INJECTOR AND VALVE ADJUSTMENT (Contd)
LOCATION/ITEM
ACTION
REMARKS
Adjustment (Contd)
2.
Injector adjustment for
Adjust as follows:
cylinder No. 3
a. Loosen the adjusting screw
The rocker lever assembly (10)
nut (8) several turns.
for the injector is between the
intake and exhaust valves.
b. Tighten adjusting screw (9)
until all clearance is removed
between rocker lever assembly
(10) and injector detent plunger.
Then tighten adjusting screw (9)
one additional turn.
c. Loosen the adjusting screw (9)
Turn counterclockwise to loosen.
one complete turn until the
The spring washer cannot be
spring washer inside the injector
seen. When tension is removed
is against the stop of the injector.
from adjusting screw (9), this usually
indicates that the spring
washer is against the stop of the
injector.
d. Tighten the adjusting screw (9)
Repeat step 2d several times to
to 5-6 lb-in. (0.6-0.7 Nm).
make certain that it is correctly
tightened.
e. Keep adjusting screw (9) from
If torque driver (ST-669) (12)
turning and torque adjusting
is used, tighten adjusting screw
screw nut (8) to 45 lb-f (61 Nm).
nut (8) to 35 lb-ft (48 Nm).
NOTE
The adjustment procedure for the intake valve is similar to the exhaust valve, except for
valve clearance difference.
3.
Intake and exhaust valve
Adjust as follows:
adjustment for cylinder
No. 5
a. Loosen adjusting screw nut (8).
Do not rotate engine crankshaft
until completing all of step 3.
b. Put a feeler gauge between the
Cold valve clearance for the
rocker lever assembly (10) and
exhaust valve is 0.023 in.
the crosshead (11).
(0.584 mm) and valve clearance
for the intake valve is 0.011 in.
(0.279 mm).
c. Slowly tighten the adjusting
screw (9) until the rocker lever
assembly (10) touches the feeler
gauge.
d. Hold the adjusting screw (9) in
If torque driver (ST-669) (12)
place and torque adjusting screw
is used, tighten adjusting screw
nut (8) to 45 lb-ft (61 Nm).
nut (8) to 40 lb-ft (54 Nm).
3-646
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