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 654 of 1760

KNOWN INFO

Does high engine temperature

indicator illuminate when

master power switch is

positioned to on?

1.

CAUTION

Read CAUTION

on following page.

START

TEST OPTIONS

REASON FOR QUESTION

If high engine temperature

indicator does not illuminate

when master power switch is

positioned to on, coolant

temperature light switch is

faulty.

NO

YES

Replace coolant temperature light switch

(para 7-22).

Operational Test

e24A. HIGH ENGINE TEMPERATURE INDICATOR ILLUMINATES

INITIAL SETUP

Equipment Conditions

Engine shut down (TM 9-2320-365-10).

Personnel Required

(2)

Tools and Special Tools

Tool Kit, Genl Mech (Item 44, Appendix C)

STE/ICE-R (Item 39, Appendix C)

Multimeter, Digital (Item 22, Appendix C)

References

TM 9-4910-571-12&P

TM 9-2320-365-20-1

2-408.2

Change 2

Engine temperature is below

216°F (102°C) when high

engine temperature indicator

illuminates.

POSSIBLE PROBLEMS

Faulty coolant temperature

light switch.

Faulty LAMP TEST switch (if

equipped).

Faulty engine control cable

assembly.

Faulty WTEC II dashboard cable

assembly.

Faulty WTEC III dashboard

cable assembly.