TM-9-2320-365-20-1

M1078 SERIES, 2 1/2-TON, 4 X 4, LIGHT MEDIUM TACTICAL VEHICLES (LMTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 1 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-365-20-1 - Page 1398 of 1760

TM 9-2320-365-20-1

e88.

PTO DOES NOT OPERATE (CONT)

KNOWN INFO

TEST OPTIONS

REASON FOR QUESTION

7.

Does PTO operate after

replacing WTEC II relay SF02?

Replace WTEC II VIM (para 8-6).

Operational Test

YES

NO

2-982

Change 2

If PTO operates after replacing

WTEC II relay SF02, WTEC II

relay SF02 is faulty.

If

PTO does not operate after

replacing WTEC II relay SF02,

WTEC II VIM is faulty.

Circuit breaker OK.

Vehicle starts.

PTO OK.

PTO switch OK.

PTO cable assembly OK.

POSSIBLE PROBLEMS

Faulty WTEC II VIM.

Faulty WTEC II dashboard cable

assembly.

Faulty auxiliary panel cable

assembly.

Faulty WTEC II relay SF02.