ARMY TM 9-6115-671-14
AIR FORCE TO 35C2-3-446-32
MARINE CORPS TM 09249A/09246A-14
3-6
TABLE 3-1. OPERATOR TROUBLESHOOTING (CONTINUED)
Not OK
OK
OK
Not OK
No
Yes
ENGINE KNOCKS
Engine knocks
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 3-1.
Inspect lubrication
system (see para.3.3.8).
Check for loose parts or foreign
objects in the engine compartment.
Service lubrication system
(see para.3.3.8).
Remove foreign objects
from compartment.
Notify next higher level of
maintenance.
