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TM 10-4320-324-14
6-9.
Cylinder Head Repair (CONT).
(9) Inspect intermediate ring (8). Replace if
damaged.
NOTE
Perform all inspections before beginning repairs. Do not
reheat cylinder head. Too much heating may warp
head.
(10) Inspect valve seats (9). Measure distance
from crown of valve to cylinder head seating
surface. If the measured distance is not
between 0.1999 in. (5.080 mm) to 0.2205 in.
(5.600 mm), seat must be replaced. Refer to
Repair.
(11) Check clearance of valve stems in guides of
both valves. If it exceeds 0.0016 in. (0.04
mm) inlet valve, or 0.0024 in. (0.06 mm)
exhaust valve, replace guides (10) Refer to
Repair.
6-38
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