| Tweet |
Custom Search
|
|
|
||
 TM 11-1905-219-14-3
Table 3-66. Anchor Winch Engine Abnormal Engine
Coolant Operating Temperature Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Temperature above normal.
Step 1.
Check for insufficient heat transfer.
Clean the cooling system with a good cooling system cleaner and
thoroughly flush to remove scale deposits.
Step 2.
Check for poor circulation.
a. Check the coolant level and fill to the filler neck if the coolant level is
low.
b. Inspect for collapsed or disintegrated hoses. Replace faulty hoses.
Refer to paragraph 3-151.
c. Thermostat may be inoperative. Remove, inspect and test the
thermostat; replace if found faulty. Refer to paragraph 3-153.
d. Check the water pump for a loose or damaged impeller. Refer to
paragraph 3-150.
e. Check the flow of coolant through the ke l cooler. A clogged keel cooler
e
will cause an inadequate supply of coolant on the suction side of the
pump. Clean the keel cooler. Refer to paragraph 3-151 and Direct
Support Maintenance.
f. The cylinder head must be removed and inspected for cracks and the
head gaskets replaced if combustion gases are entering the cooling
system. Refer to paragraph 3-163.
g. Check for an air leak on the suction side of the water pump. Replace
defective parts. Refer to paragraph 3-150.
3-206
|
||
|
||
