Quantcast INSPECTION AND REPAIR (Cont) - TM-55-1905-220-14-40500

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TM 55-1905-220-14-4
3-34. CYLINDER HEAD-MAINTENANCE INSTRUCTIONS (Cont.).
LOCATION
ITEM
ACTION
REMARKS
INSPECTION AND REPAIR (Cont)
Maximum
Maximum
Longitudinal
Transverse
Warpage
Warpage
INCHES
CENTIMETER
INCHES
CENTIMETER
.010
.025
.004
.010
b. Use measurements obtained
and limits given in the
table as a guide to deter-
mine the adviseability of
reinstalling the head on
the engine or of refacing
it. The number of times a
cylinder head may be refaced
will depend upon the amount
of stock previously removed.
c. If the cylinder head is to
be refaced, refer to Direct
Support Maintenance.
NOTE
Resurface both heads together.
NOTE
If one head is refaced, the other head should be resurfaced.
CAUTION
When a cylinder head has been refaced, critical dimensions
such as the protrusion of valve seat inserts, exhaust valves,
injector tubes and injector spray tips must be checked and
corrected. The push rods must also be adjusted to prevent the
exhaust valves from striking the pistons after the cylinder head
is reinstalled into the engine.
3-743


 


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