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Page Title:
Table 2-1. Direct Support and General Support Troubleshooting Table |
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 TM5-241O-237-34
Table 2-1.
Direct Support and General Support Troubleshooting Table
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE
1.
ENGINE WILL NOT CRANK
Perform electrical system troubleshooting (TM5-241O-237-2O).
Step 1.
Step 2.
Check for engine seizure.
Remove fuel injection nozzles (TM5-241O-237-2O).
a.
b.
Try to turn crankshaft manually.
c.
If crankshaft will not rotate, go to step 3.
d.
If crankshaft turns and liquid is discharged from nozzle holes, check
if liquid is coolant or fuel.
e.
If liquid is coolant, replace cylinder head (page 3-30).
f.
If liquid is fuel, test fuel injection nozzles (page 4-8).
Replace defective nozzle(s) (TM5-241O-237-2O).
Step 3.
If crankshaft will not turn, engine has internal damage and may require
complete overhaul.
Remove engine (page 3-3). Disassemble and check for bearing seizure (page
END OF TESTING!
2.
ENGINE CRANKS, FAILS TO START
Step 1.
Check fuel injection timing (page 4-26).
Adjust fuel injection timing (page 4-26).
Step 2.
Check governor setting (page 4-33).
Adjust governor low and high idle, if necessary (page 4-33).
Step 3.
Check for possible dirty or damaged fuel injection nozzles.
Remove (TM5-241O-237-2O), test, and repair or replace fuel injection
nozzles, if necessary (page 4-8).
2-5
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