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 TM 55-1905-220-14-3
Table 3-67. Anchor Winch Engine Low or High Exhaust Valve
Opening Pressure Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
Low exhaust valve opening pressure.
Step 1.
Check for worn or eroded valve seat.
Replace worn or eroded valve seat. Refer to paragraph 3-163.
Step 2.
Check valve seat for chips at point of contact with valve.
Replace valve seat. Refer to paragraph 3-163.
Step 3.
Check for cracked valve seat.
Replace the valve seat. Refer to paragraph 3-163.
Step 4.
Check for worn valve or valve locks.
Replace the valve or valve locks. Refer to paragraph 3-164.
Step 5.
Check for worn or broken valve spring.
Replace the spring. Check the valve cage and valve stop for wear; replace them if
necessary. Refer to paragraph 3-164.
Step 6.
Check for dirt or foreign material in injector.
Replace the injector. Refer to paragraph 3-147.
Step 7.
Check for worn valve spring stop seat.
Replace the valve spring stop seat. Refer to paragraph 3-163.
2.
High valve opening pressure.
Step 1.
Check for carbon or foreign material in injector spray tip.
Replace injector. Refer to paragraph 3-147.
3-205
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