Engine Maintenance
117
3. Remove the cold start device from the
injection pump fitting. Use a backup wrench
on the injection pump fitting if necessary.
4. Make sure the piston inside the injection
pump fitting is clean.
5. Install the new cold start device with a new
O-ring in the injection pump fitting. Torque
the cold start device to 22 to 26 ft-lb (30 to 35
N•m).
6. Install the coolant fitting and banjo bolt on the
cold start device. Torque the banjo bolt to 16
to 18 ft-lb (22 to 25 N•m).
7. Refill the engine cooling system and make
sure to bleed the air from the cooling system.
Engine Valve Clearance
Adjustment
The valve clearance should be adjusted every
3.000 hours.
1. Remove the rocker arm cover.
2. Remove the round cover (plug) from the
timing mark access hole on the front of the
bell housing.
3. Place the engine at top dead center of the
compression stroke for the number one
cylinder. See steps a through d.
a. Rotate the engine in the normal direction
of rotation (clockwise viewed from the
water pump end) until the 1-4 timing mark
on the flywheel lines up with the index
mark in the timing mark access hole.
b. Check the rocker arms on the number one
cylinder to see if they are loose.
c. If the rocker arms are loose, the engine is
at top dead center of the compression
stroke for the number one cylinder.
1.
Cold Start Device
2.
Injection Pump Fitting
Figure 194: Remove Cold Start Device
1.
Piston
Figure 195: Clean Piston
1
2
1
CAUTION: Loosen all of the injection
lines at the injection nozzles to prevent the
possibility of the engine firing while it is
being rotated.
1.
Index Mark
2.
Top Dead Center Mark for 1 and 4
Figure 196: Top Dead Center One and Four
1
2
AEA701
