ARMY TM 9-6115-673-13&P
AIR FORCE TO 35C2-3-512-1
Table 5-5. Unexpected Reverse Rotation at
Startup Troubleshooting
Unexpected reverse rotation
at startup
Check fuel injection
OK
Not OK
pump timing,
Inspect crankshaft
Correct fuel injection
OK
Not OK
pump timing,
main bearing,
Inspect piston and
Replace defective crankshaft
Not OK
cylinder sleeve,
main bearing. Then adjust
bearing end gap and replace
Replace piston, rings, and/or
cylinder block as required,