TM-9-2320-366-20-1

M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)

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

FEBRUARY 2006

CHANGE 3

TM-9-2320-366-20-1 - Page 258 of 1824

1.

KNOWN INFO

TEST OPTIONS

YES

NO

d1. ENGINE OVERHEATS

WARNING

CAUTION

Read WARNING and

CAUTION on

following page.

Is radiator secure

and free from damage?

Replace radiator (para 6-2).

INITIAL SETUP

Equipment Conditions

Engine shut down (TM 9-2320-366-10-1).

Personnel Required

(2)

TM 9-2320-366-20-1

Tools and Special Tools

Tool Kit, Genl Mech (Item 46, Appendix C)

Test Kit, Radiator (Item 41.1, Appendix C)

Pressure Tester, Radiator (Item 26, Appendix C)

Pan, Drain (Item 24, Appendix C)

Wrench, Torque, 0-200 lb-in. (Item 59, Appendix C)

START

Perform engine troublesh ooting a9. ENGINE

OVERHEATS prior to beginning this task.

NOTE

2-138

Change 2

Faulty radiator.

Faulty upper and lower coolant

hoses.

Faulty radiator cap.

Faulty radiator overflow tank

and hoses.

Loss of pressure in cooling

system.

Faulty radiator fan shroud.

Faulty water pump.

Faulty thermostat.

Faulty fan clutch.

POSSIBLE PROBLEMS

Coolant level OK.

Radiator core free of debris.

WATER TEMP gage OK.

REASON FOR QUESTION

If leaks or damage are present,

radiator is faulty.

Visual Inspection