TM 9-2815-225-34&P
3-35. CYLINDER HEAD AND VALVE REPAIR (Contd)
LOCATION/ITEM
ACTION
REMARKS
c. Inspection and Repair (Contd)
21.
Valve crosshead (22) or
c. Use suitable bore gauge.
Discard if not within wear limit
(28) (Contd)
Measure crosshead bore
shown below.
diameter.
Wear Limit ................................................................... 0.440 in. (11.176 mm)
New Minimum .............................................................. 0.434 in. (11.024 mm)
New Maximum .............................................................. 0.436 in. (11.074 mm)
CAUTION
To prevent damage to valve crosshead, do not use plug gauge during next step.
d. Check crosshead bore at four
Use suitable bore gauge.
points, spaced 90 apart,
Discard if out-of-round.
for out-of-round.
e. Inspect rocker lever contact
Discard if excessively worn or
surface (area A) and valve stem
if surface is damaged.
contact surface (area B) for wear
(refer to illustration).
22.
Two fuel connections (23)
Inspect for cracks, breaks, and
Discard if cracked, broken, or
bends.
bent.
23.
All other parts
a. Inspect for cracks, breaks,
Discard if damaged or worn.
bends, excessive wear, and
other damage.
b. Inspect all threaded parts
Discard any threaded parts that
for stripped threads or
are stripped or cross-threaded.
cross-threading.
3-140
|
|