ARMY TM 9-6115-670-14&P
3-7
7. ENGINE KNOCKS.
NO
A
YES
YES
START
END
NO
A
YES
CHECK
OVERHEATED
ENGINE
IS
ENGINE
OVERHEATED
REFER TO
SYMPTOM 11.
CHECK
LOW OIL
LEVEL (PARA
3.6.).
IS
OIL
LEVEL LOW?
ADD OIL
NEEDED (PARA
3.6.).
DOES
ENGINE
CONTINUE TO
KNOCK
NOTIFY
HIGHER LEVEL
OF MAINTENANCE.
NO
