TM 5-3895-382-24
b.
Place the appropriate feeler gauge (2) between the
rocker arm and the valve. Turn the adjustment screw
(1) while the valve adjustment locknut is being held
from turning. Adjust the valve lash until the correct
specification is achieved.
c.
After each adjustment, tighten the valve adjustment
locknut while the valve adjustment screw (1) is being
held from turning.
5.
Turn the crankshaft for 180 degrees in the direction of
the normal engine rotation. Measure the valve lash of
the inlet valve and the exhaust valve of number 2
cylinder. If necessary, make an adjustment of the valve
lash on number 2 cylinder.
a.
Loosen the valve adjustment locknut that is on the
adjustment screw (1).
b.
Place the appropriate feeler gauge (2) between the
rocker arm and the valve. Turn the adjustment screw
(1) while the valve adjustment locknut is being held
from turning. Adjust the valve lash until the correct
specification is achieved.
c.
After each adjustment, tighten the valve adjustment
locknut while the valve adjustment screw (1) is being
held from turning.
Cylinder Head
Inspect The Cylinder Head
Table 12
Tools Needed
8S-6691
Cylinder Head Stand Set
1
1.
Remove the cylinder head from the engine.
2.
Remove the water temperature regulator housing.
3.
Remove the valve springs and valves.
4.
Clean the cylinder head thoroughly. Make sure that the
contact surfaces of the cylinder head and the cylinder
block are clean, smooth and flat.
5.
Inspect the bottom surface of the cylinder head for
pitting, corrosion, and cracks. Inspect the area around
the valve seat insets and the holes for the fuel injector
nozzles.
Illustration 65
Cylinder Head On The 8-6691 Cylinder Head Stand Set.
6.
Put the cylinder head on the 8S-6691 Cylinder Head
Stand Set (A).
7.
Test the cylinder head for leaks at a pressure of
200 kPa (29 psi).
Illustration 66
Measure The Cylinder Head For Flatness.
(A) Side to side
(B) End to end
(C) Diagonal
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