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Page Title:
INSPECTION/REPLACEMENT - CONTINUED |
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 TM 9-2320-269-34-1
CYLINDER HEADS - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
INSPECTION/REPLACEMENT - CONTINUED
18.
Continued
c.
Using machinist's rule and 0.006 inch
(0.152 mm) thickness gage, check fire
deck for flatness.
If gage can be Inserted between head
and straight edge, replace head.
Cylinder heads are NOT resurfaced.
19.
Cylinder head (1)
Eight valve
a.
Using valve guide gage, check
guides (2)
diameter.
Diameter must be 0.3738 - 0.3748
Inch (9.495 - 9.520 mm).
b.
Check to see if guides are bellmouthed
or egg shaped.
Guides cannot be bellmouthed more
than 0.0005 inch (0.0127 mm).
c.
If any guide (2) is bellmouthed, egg-
shaped, or does not meet given limits,
go to repair step 21 to replace it.
20.
Cylinder head (1)
Eight valve seat
a.
Look for looseness, burn marks, and
inserts (3)
cracks.
b.
Look for signs of excessive grinding.
c.
If any defects are found in any insert
(3), go to repair step 22 to replace
it.
TA237973
2-107
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