ARMY TM 9-6115-671-14
AIR FORCE TO 35C2-3-446-32
MARINE CORPS TM 09249A/09246A-14
4-21
TABLE 4-4. UNIT TROUBLESHOOTING (CONTINUED)
Not OK
No
Yes
ABNORMAL ENGINE NOISE
Abnormal engine noise.
Check FAULT INDICATOR
on CIM display screen. Is a
fault displayed? (Fig 2-2)
Go to troubleshooting
section corresponding to
fault displayed. See
Symptom Index, page 4-10.
Check for contaminated
fuel (see para.3.3.6) or
incorrect grade of fuel
(Table 3-3).
Replace fuel filter/water
separator. Refer to TM
9-2815-259-24. Drain fuel into
suitable container. Service fuel
tank (see para.3.3.6). Bleed fuel
lines. Refer to TM
9-2815-259-24.
Notify next higher
level of maintenance.
OK
