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 TM 55-1905-221-14-2
Table 5-1. Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
PROPULSION ENGINE (Cont.)
2.
Low cranking speed.
Step 1. Check batteries for low or discharged condition.
Replace or charge as necessary.
Step 2. Check electric starting motor.
a. Perform no-load test and torque test per paragraph 5-12.2.
b. Replace starter.
c. Repair as required. Refer to paragraph 5-12.2.
Step 3. Check hydraulic starting system.
Refer to paragraphs 5-13.1. through 5-13.7.
3.
Low compression.
Step 1. Check for burned or sticking exhaust valves.
Remove cylinder head and repair as per paragraph 5-15.
Step -2. a. Check valve guide for carbon deposits or distortion.
1. Remove carbon deposits. Refer to paragraph 5-15.
2. Replace bent or worn guide. Refer to paragraph 5-15.
5-4
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