TM 9-2320-272-24-2
4-33. VALVE AND INJECTOR ADJUSTMENT (DIAL INDICATOR METHOD) (Contd)
Table 4-2. Engine Firing Order.
1-5-3-6-2-4
Right hand rotation
NOTE
Preceding steps cover injector adjustments for No. 3 cylinder.
Follow table 4-3 for the remaining five injectors.
Table 4-3. Injector and Valve Set Position.
ADJUST CYLINDER
PULLEY
ROTATION
POSITION
DIRECTION
INJECTOR
VALVE
1-6 VS
3
5
Start
6
3
2-5 VS
Advance
to
2
3-4 vs
6
Advance
to
1-6 VS
4
2
Advance
to
1
4
2-5 VS
Advance
to
1
Advance
to
3-4 VS
5
NOTE: Two complete revolutions of pulley are required to adjust all injectors
and valves.
Table 4-4. Uniform Plunger Travel Adjustment Limits.
OIL
TEMP.
INJECTOR PLUNGER TRAVEL
VALVE CLEARANCE
INTAKE
RECHECK LIMIT
ADJUST VALVE
(MM)
IN.
IN.
IN.
IN.
(MM)
(MM)
(MM)
Aluminum Rocker Housing
(0.28)
0.023
0.169-0.171
(4.29-4.34)
0.011
(0.58)
Cold 0.170
(4.32)
NOTE
With engine position at 1-6 VS mark, No. 3 cylinder has been
adjusted, and now valves in No. 5 cylinder must be adjusted.
12.
Loosen locknut (1) on intake rocker lever (4) of No. 5 cylinder (3) and back out adjusting screw (2).
Insert feeler gauge between rocker lever (4) nose and crosshead. See table 4-4 for valve clearance
13.
settings.
Slowly turn down adjusting screw (2) with screwdriver until rocker lever (4) nose touches feeler gauge.
14.
Check clearance by removing and inserting feeler gauge. There will be a slight drag on gauge when
15.
clearance is correct.
Ensure adjusting screw (2) does not move by holding it firmly in position while tightening
16.
locknut (1) 40-45 lb-ft (54-61 Nm).
Repeat steps 12 through 16 to adjust exhaust rocker lever (5). See table 4-4 for valve clearance
17.
settings.
Advance pulley (6) so pointer (8) is at next timing mark (7) and perform injector and valve
18.
adjustments indicated in tables 4-2 and 4-3.
Advance pulley (6) to next timing mark (7) after each set of injector and valve adjustments until all
19.
timing is completed.
4-252
