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 TM 11-1905-219-14-3
Table 3-66. Anchor Winch Engine Abnormal Engine Coolant
Operating Temperature Troubleshooting (Cont.).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. Temperature below normal.
Step 1
Check for improper circulation.
The thermostat may not be closing. Remove, inspect and test the
thermostat. Install a new thermostat, if necessary. Refer to paragraph 3-
153.
Step 2.
Check for excessive leakage at thermostat seal.
Excessive leakage of coolant past the thermostat seal(s) is a cause of
continued low coolant operating temperature. When this occurs, replace
the thermostat seal(s). Refer to paragraph 3-153.
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.
3-207
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