TM 5-3805-248-23-2
HEAD ASSEMBLY OVERHAUL - CONTINUED
0343 00
INSPECTION - CONTINUED
NOTE
Erosion is acceptable in areas B and C. If erosion is found in area D, refer to Repair, step 2.
6.
Inspect circular areas where coolant passage seals con-
C
B
7.
Visually inspect all threaded holes in cylinder head for
damaged threads and broken bolts or studs. Extract all
D
broken bolts and studs. Repair damaged threads with
threaded inserts.
8.
Inspect bridge dowels on top deck for looseness or
visible movement. Remove and replace all loose
9.
and replace cracked or badly burned valve seats (WP
EROSION
EROSION NOT
ACCEPTABLE
ACCEPTABLE
HEAD
SPACER
PLATE
BLOCK
394-1129
COOLANT
SEAL
PASSAGE
0343 00-4