TRUCK SERVICE MANUAL
ENGINE
Table 14-9: Injector and Valve Set Position
Bar in
Pulley
Set Cylinder
Direction
Position
Injector
Valve
Start
A or 1-6VS
3
5
Adv. To
B or 2-5VS
6
3
Adv. To
C or 3-4VS
2
6
Adv. To
A or 1-6VS
4
2
Adv. To
B or 2-5VS
1
4
Adv. To
C or 3-4VS
5
1
Table 14-10: Engine Firing Order - Inline
Right Hand Rotation
Left Hand Rotation
1-5-3-6-2-4
14-2-6-3-5
Fig. 14-28 (N114237), Bottoming Injector plunger in cup
5. Using ST-1193 Rocker Lever Actuator, Fig. 14-28, or
Crosshead Adjustment
equivalent, bar lever toward injector until plunger is
bottomed. Allow injector plunger to rise, bottom again,
set indicator at zero (0). Check extension contact with
1. Loosen valve crosshead adjusting screw locknut and
plunger top, turn adjusting screw until Adjustment Value,
back off adjusting screw, Fig. 14-29, one turn.
Table 14-11 is obtained.
6. Bottom plunger again, release lever; indicator must
show travel as indicated.
7. Tighten locknut to 30 to 40 ft-lb. [4.1 to 5.5 kg m] and
actuate injector plunger several times as a check of
adjustment. Tighten to 25 to 35 ft-lb. [3.5 to 4.8 kg m]
when using ST-669 Adapter.
Table 14-11: Uniform Plunger Travel Adjustment
Limits
Oil
Injector Plunger Travel
Valve Clearance
Temp.
Inch [mm]
Inch [mm]
1. Crosshead
4. Adjusting Screw
2. Valve Stem
5. Crosshead Guide
3. Valve Stem
Adj.
Recheck
Value
Limit
Intake
Fig. 14-29, (N21461). Valve croshead
Aluminum Rocker Housing
2. Use light finger pressure at rocker lever contact
surface(1) to hold in contact with valve stem (2). Turn
Cold
0.170
0.169 to 0.171 0.011
0.023
down adjusting screw until it touches valve stem (3).
[4.32]
[4.29 to 4.34] [0.28]
[0.58]
Hot
0.170
0.169 to 0.171 0.008
0.023
[4.32]
[4.29 to 4.34] (0.201
[0.58]
3. Advance setscrew an additional 20 to 30 deg. to
straighten stem on its guide. Using ST-669 Torque
Cast Iron Rocker Housing
Wrench Adapter, tighten locknuts to 22 to 26 ft-lb. [3 to
3.6 kg m] . If ST-669 is not available, hold screws with
Cold
0.175
0.174 to 0.176 0.011
0.023 [
screwdriver and tighten locknuts to 25 to 30 ft-lb. [3.5 to
4.45]
[4.42 to 4.471 (0.281
[0.58]
4.1 kg m].
Hot
0.175
0.174 to 0. 176 0.008
0.023
[4.45]
[4.42 to 4.47] 10.20]
[0.58]
4. Check clearance between crosshead and valve spring
retainer with wire gauge. There must be a minimum of
0.025 inch [0.64 mm] clearance.
408
