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 TM5-4210-224-14& P
6-8.
CYLINDER HEAD MAINTENANCE. (Continued)
INSPECTION
e. In sequence, torque cylinder bolts to 50 ft-lbs
(65 N-m).
Inspect the cylinder head for cracks in the exhaust
ports, combustion chambers, and for external
f. In sequence, torque all bolts an additional 900
cracks to the coolant chamber or any other
degrees (1/4 turn).
damage.
CAUTION
Measure the cylinder head. If warped
more than 0.006 inch (0.15 mm)
longitudinally or 0.003 inch (0.08 mm)
transversely, replace the cylinder head.
All gasket surfaces must be entirely
free of dirt, sand and foreign matter
directly before and during assembly.
Head gaskets are a special composition
gasket that must be used without a
sealer.
g. Install rocker arm assemblies (paragraph 6-5).
Left rear cylinder head bolt must be
installed into head prior to installation
h. Install dip stick (paragraph 4-113).
INSTALLATION
i. Install rocker arm cover (paragraph 4-112).
a. Place the head gasket on the engine block over
j. Install intake manifold (paragraph 4-110).
the dowel pins.
k. Install glow plugs (paragraph 4-108).
b. Carefully guide the cylinder head into place over
the dowel pins.
l. Install alternator (paragraph 4-107).
c. Coat threads and underside of cylinder head
m. Install exhaust pipes (paragraph 4101).
bolts with sealant and install bolts finger tight
n. Install injection lines (paragraph 4-92).
d. Torque the cylinder head bolts in sequence
o. Install cooling system (paragraph 472).
shown to 20 ft-lbs (25 N-m).
6-10
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