tm_9-2320-211-10-1 ( m.54 )

8/14/2019 TM_9-2320-211-10-1 ( M.54 )

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T M 9 - 2 3 2 0 - 2 1 1 - 1 0 - 1

T . O . 3 6 A 1 2 - 1 C - 4 2 1 - 1

T E C H N I C A L M A N U A L

O P E R A T I O N , I N S T A L L A T I O N A N D

REFERENCE DATA

O P E R A T O R L E V E L

.

TRUCK, CHASSIS: M40A2C,

M 61A 2 , M 63A 2 ; T R U C K , C A R GO:

M 54A 2 , M 54A 2C , M 55A 2 ; T R U C K ,

DUMP: M51A2; TRUCK, TRACTOR:

M 5 2 A 2 ; TRUCK, WRECKER, MEDIUM: M543A2

D E P A R T M E N T S O F T H E AR MY AN D T H E A IR F O R C E

S E P T E M B E R 1 9 8 0

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*TM 2320-211-10-1TO 36A12-1C-421-1

TEC H N I C A L M A N U A L

N O . 9 - 2 3 2 0 - 2 1 1 - 1 0 - 1

TEC H N I C A L O RD ER

N O . 3 6 A 1 2 - 1 C - 4 2 1 - 1

DEPARTMENT OF THE ARMY A N DT H E A I R F O R C E

Washington, DC, 5 September 1980

TECHNICAL MANUAL

OPERATION, INSTALLATION AND

REFERENCE DATA

OPERATOR LEVEL

5-TON, 6X6, M39 SERIES TRUCKS

(MULTIFUEL)

Model NSN without Winch

Chassis M40A2C 2320-00-969-4114M61A2 2320-00-055-9264M63A2 2320-00-226-6251

Truck, Cargo M54A2 2320-00-055-9266M54A2C 2320-00-926-0874M55A2 2320-00-073-8476

Truck, Dump M51A2 2320-00-055-9262

Truck, Tractor M52A2 2320-00-055-9260

Truck, Wrecker, Medium M543A2

NSN with Winch

2320-00-965-03212320-00-285-3757

2320-00-055-92652320-00-926-08742320-00-055-9259

2320-00-055-9263

2320-00-055-9261

2320-00-055-9258

Current as of 25 March 1980.

*This manual, together with TM 9-2320-211-10-2, 5 September 1980; -10.3,

5 September 1980 ; and -10-4, 5 September 1980 supersedes so much of

TM 9-2320-211-10, 20 November 1977 as pertains to multifuel vehicles.

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REPORTING OF ERRORS AND RECOMMENDING IMPROVEMENTS

You can help improve this manual. If you find any mistakes or if you knowof a way to improve the procedure, please let us know. Mail your letter,DA Form 2028 (Recommended Changes to Publication and Blank Forms) , orDA Form 2028-2 located in the back of this manual direct to: Commander,

U.S. Army Tank Automotive Materiel Readiness Command, ATTN: DRSTA-MB, Warren, Michigan 48090. A reply will be furnished to you.

CHAPTER 1. INTRODUCTION

Scope . . . . . . . . . .. . . . . . . . . . .Forms and Records . . . . . . . . . . . . . . . .Equipment Improvement Report andMaintenance Digest (EIR MD) andEquipment Improvement Report andMaintenance Summary (EIR MS) . . . . . . . . .

Reporting Improvement Recommendations . . . . .Metric System . . . . . . . . . . . . . . . . . .Destruction to Prevent Enemy Use . . . . . . . .Manual Organization . . . . . . . . . . . . . . .Vehicle /Bridge Classification . . . , . . . . . . .

CHAPTER 2. DESCRIPTION AND DATASection 1. Functional Description

General . . . . . . . . . . . . . . . . . . . . .Overall Equipment Function Description . . . . . .

Engine . . . . . . . . . . . . . . . . . . . . .Clutch . . . . . . . . . . . . . . . . . . . . .Electrical System . . . . . . . . . . . . . . . .Fuel System . . . . . . . . . . . . . . . . . .Cooling System . . . . . . . . . . . . . . . . .Exhaust System . . . . . . . . . . . . . . . .Transmission System . . . . . . . . . . . . . .Transfer System . . . . . . . . . . . . . . . .Transmission Power Takeoff System . . . . . . .Transfer Power Takeoff System . . . . . .

Propeller Shafts . . . . . . . . . . . . . . . .Steering System . ..... ... .......Compressed Air System . . . . . . . . . . . . .Brake System . . . . . . . . . . . . . . . . .Axles, Wheels and Hubs . . . . . . . . . . . .Auxiliary Equipment and Accessories . . . . . .

Paragraph Page

1-11-2

1-31-4

1-51-6

1-71-8

2-12-22-2a2-2b2-2c2-2d2-2e2-2f2-2g2-2h2-2i

2-2j2-2k2-2l

2-2m2-2n2-2o

2-2p

1-11-1

1 -11-1

1-11-2

1-21-2

2-1

2-12-12-12-12-12-12-12-12-12-12-1

2-22-22-22-22-22-22-2

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Section II. Physical DescriptionGeneral . . . . . . . . . . . . . . .Overall Equipment Physical Description

Engine . . . . . . . . . . . . . .Clutch . . . . . . . . . . . . . .Electrical System . . . . . . . . .Fuel and Air Intake System . . .

Cooling System . . . . . . . . . .Exhaust System. . . . . . . . . .Transmission . . . . . . . . . . .Transmission Power Takeoff . . .Transfer . . . . . . . . . . . . .Transfer Power Takeoff . . . . .Propeller and Drive Shaft Systems

Steering System . . . . . . . . .Brake System . . . . . . . . . .

Axles, Wheels, and Hubs . . . . .III. Tabulated Data

General . . . . . . . . . . . . .Weight . . . . . . . . . . . . . .Dimensions . . . . . . . . . . .

Capacities . . . . . . . . . . . .Tire Inflation Data . . . . . . . .Environmental Characteristics . .Functional Characteristics . . . .Components of End Item List . . .Additional Authorization List . . .

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

Expendable Supplies and Materials ListCHAPTER 3. SERVICE UPON RECEIPT OF EQUIPMENT

General . . . . . . . . . . . . . . . .Break-in Operation . . . . . . . . . .

General . . . . . . . . . . . . . . .Break-in . . . . . . . . . . . . . . .Road Test . . . . . . . . . . . . . .After the Road Test . . . . . . . . .

CHAPTER 4. OPERATING PROCEDURES

.

.

.

.

.

.

.

.

Section I. Description and Use of Operator’s Controlsand Indicators . . . . . . . . . . . . .General . . . . . . . . . . . . . . . .Chassis Controls and Indicators . . . .

Instrument Panel . . . . . . . . . . .Windshield . . . . . . . . . . . . . .Driverts Compartment . . . . . . . .Front Winch . . . . . . . . . . . . .TrailerB rake . . . . . . . . . . . .

Equipment Body Controls and IndicatorsTractor Truck (M52A2) . . . . . . . .Dump Truck (M51A2) . . . . . . . . . . .

Wrecker Truck (M543A2) . . . . . . .

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

Paragraph

2-32-42-4a2-4b2-4c2-4d2-4e2-4f2-4g2-4h2-4i2-4j2-4k2-4l2-4m

2-4n

2-5

2-62-72-82-92-10

2-112-12

2-13

2-14

3-13-2

3-2a3-2b3-2c3-2d

4 - 1

4-2

4-2a4-2b4-2c4-2d4-2e4-34-3a4-3b4-3c

Page

2-2

2-22-22-22-6

2-7

2-82-92-102-122-122-122-122-13

2-162-17

2-212-222-22

2-222-22

2-222-222-22

2-222-222-22

2-22

3-13-1

3-13-1

3-23-2

4-14-1

4-2

4-24-74-8

4-144-154-164-164-184-19

. . .111

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Section I — Continued

Special Kits Controls and Indicators . . .

Hot Water Personnel Heater Kit . . . . .Fuel Burning Personnel Heater Kit . . .Power Plant Heater Kit . . . . . . . . .

Deep Water Fording Kit . . . . . . . . .Electric Brake Kit . . . . . . . . . . .

Section II. Operation Under Usual ConditionsScope . . . . . . . . . . . . . . . . . .

General Operating Procedures . . . . . .Before Engine Startup . . . . . . . . .Starting the Engine Above +20°F . . . .Cold Weather Starting Below +20°F . . .Placing and Keeping the Truck in Motion

Stopping the Truck and Engine . . . . .

Operation of Front Winch . . . . . . . .General . . . . . . . . . . . . . . . .Before Operation . . . . . . . . . . . .

Unwinding the Winch Line . . . . . . .Pulling the Load . . . . . . . . . . . .

Stopping the Winch . . . . . . . . . .Releasing the Load . . . . . . . . . .Winding the Winch Line on the Drum . . .

. .

. .

. .

. .

. .

. .

Securing Equipment for Travel .operation of Cargo Trucks . . . .

General . . . . . . . . . . . .Removal of Front and Side RacksInstalling Front and Side Racks .

Removal of Front and Side RacksDropside Type Cargo Trucks .

. . . . . *

. . . . . .

. . . . . .

. . . . . .

. . . . * .

from. . . . . .

Installing Front and Side Racks on

Dropside Type Cargo Trucks . . . . . . .

Lowering Dropsides on Dropside TypeCargo Trucks . . . . . . . . . . . . . .

Raising Dropsides on Dropside TypeCargo Trucks . . . . . . . . . . . . . .

Removing Drop sides, Tailgate or Both . . . .Installing Dropsides, Tailgate, or Both . . .

Operation of Tractor Trucks . . . . . . . . .General . . . . . . . . . . . . . . . . . .Coupling the Semitrailer . . . . . . . . . .Uncoupling Semitrailer . . . . . . . . . . .Securing Equipment for Travel . . . . . . .

Operation of Dump Trucks . . . . . . . . . .General . . . . . . . . . . . . . . . . . .Rigging the Tailgate-Regular DumpOperation . . . . . . . . . . . . . . . . .

Rigging the Tailgate-Rocker Type Operation .

Paragraph

4-4

4-4a4-4b4-4c

4-4d4-4e

4-5

4-64-6a

4-6b4-6c4-6d4-6e

4-74-7a4-7b4-7c4-7d4-7e4-7f4-7g4-7h

4-84-8a4-8b4-8c

4-8d

4-8e

4-8f

4-8g

4-8h4-8i

4-94-9a

4-9b4-9c4-9d4-104-10a

4-10b4-10c

Page

4-21

4-214-234-25

4-284-29

4-30

4-304-31

4-374-434-454-58

4-634-634-64

4-654-74

4-784-79

4-814-864-914-914-91

4-95

4-99

4-105

4-110

4-113

4-1154-117

4-1194-119

4-1194-1334-1384-139

4-139

4 - 1 4 0

4-141

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Section II — Continued

Rigging the Tailgate-Spreader TypeOperation . . . . . . . . . . . . . . . .

Rigging the Tailgate-Regular CargoOperation .......................

Loading the Truck-All Types of DumpOperation . . . . . . . . . . . . . . . .

Unloading the Truck-Regular DumpOperation . . . . . . . . . . . . . . . .

Unloading the Dump Truck-Rocker TypeOperation .,....... . . . . . . .

Changing the Tailgate Rigging-RockerType Operation . . . . . . . . . . . . . .

Unloading the Truck-Spreader Type

Operation . . . . . . . . . . . . . . . .Changing Tailgate Rigging-Spreader TypeOperation . . . . . . . . . . . . . . . .

Lowering the Tailgate-Regular CargoOperation . . . . . . . . . . . . . . . .

Raising the Tailgate-Regular CargoOperation . . . . . . . . . . . . . . . .

Changing Tailgate Rigging-Regular CargoOperation . . . . . . . . . . . . . . . .

M543A2 Medium Wrecker Rear Winch OperationGeneral . . . . . . . . . . . . . . . . . .Before Operation . . . . . . . . . . . . . .Unwinding the Winch Cable . . . . . . . . .

Rigging the Winch Cable and Wrecker . . . .Pulling the Load . . . . . . . . . . . . . .

Releasing the Load . . . . . . . . . . . . .Securing for Travel . . . . . . . . . . . .

M543A2 Medium Wrecker Crane Operation . . .General . . . . . . . . . . . . . . . . . .Direct Rear Lift . . . . . . . . . . . . . .Lifting and Swinging . . . . . . . . . . . .Heavy Rear Lift with Boom Jacks . . . . . .Side Lift with Boom Jacks . . . . . . . . . .Rigging Crane Lines.... . . . . . . . .Making Fast for Travel . . . . . . . . . . .

Making Fast for Travel-Lift and Swing. . . .

Making Fast for Travel-Heavy Rear Liftwith Boom Jacks.... . . . . . . . . .Making Fast for Travel-Heavy Side Liftwith Boom Jacks.... . . . . . . . . .

Operation of Hot Water Personnel Heater Kit. .Operation of Arctic Winterization Kit . . . . .

General . . . . . . . . . . . . . . . . . .Operating Radiator Brushguard Cover. . . .

Para grap n

4-10d

4-10e

4-10f

4-10g

4-10h

4-10i

4-10j

4-10k

4-10l

4-10m

4-10n4-114-11a

4-llb4-11c

4-11d4-11e

4-11f4-11g

4-124-12a4-12b4-12c

4-12d4-12e4-12f

4-12g4-12h

4-12i

4-12j

4-134-14

4-14a4-14b

Page

4-142

4-143

4-144

4-145

4-150

4-154

4-155

4-160

4-161

4-162

4-1634-1644-164

4-1644-165

4-1694-172

4-1734-1754-1794-1794-1804-1894-192

4-1964-197

4-199

4-204

4-206

4-209

4-2104-211

4-2114-211

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Section II — Continued Paragraph

Using the Engine Compartment Cover . . . .

Operation of Fuel Burning PersonnelHeater . . . . . . . . . . . . . . . . . .

Operation of Fuel Burning Power PlantHeater . . . . . . . . . . . . . . . . . .

Using the Slave Receptacle . . . . . . . . .Operation of Deep Water Fording Kit . . . . .Operating the Electric Brake Kit . . . . . . .

Section III. Operation Under Unusual ConditionsScope . . . . . . . . . . . . . . . . . . . .General . . . . . . . . . . . . . . . . . . .Operation in Extreme Cold Weather . . . . . .General . . . . . . . . . . . . . . . . . .

Related Publications . . . . . . . . . . . .

Winterization Kits . . . . . . . . . . . . .Moving the Truck . . . . . . . . . . . . . .Parking . . . . . . . . . . . . . . . . . .Refueling . . . . . . . . . . . . . . . . .

Operation in Extreme Hot Weather . . . . . .General . . . . . . . . . . . . . . . . . .Cooling System . . . . . . . . . . . . . . .Batteries . . . . . . . . . . . . . . . . . .Body and Chassis . . . . . . . . . . . . .Parking the Truck.... .. . . . . . . .

Operation on Unusual Terrain . . . . . . . .Operation in Deep Snow or Mud. . . . . . . . . .Operation on Hard Baked Sand . . . . . . . . . .

Operation on Ice...... . . . . . . . . .Operation on Dusty or Sandy Roads . . . . . . . .Operation on Rocks and Boulders . . . . . . . . .Operation in High Altitudes . . . . . . . . . . .

Fording Operation . . . . . . . . . . . . . .General . . . . . . . . . . . . . . . . . .Normal Fording through 30 Inches ofWater or Less . . . . . . . . . . . . . . .

Emergency Procedures . . . . . . . . . . . .Using Slave Receptacle to Start theEngine . . . . . . . . . . . . . . . . . .

Using Jumper Cables to Start the Engine . .Towing Truck to Start Engine. . . . . . . .Highway Towing . . . . . . . . . . . . . .

4-14c

4 - 1 4 d

4-14e4-14f

4-154-16

4-174-18

4-194-19a4-19b

4-19c4-19d4-19e

4-19f4-20

4-20a4-20b4-20c4-20d4-20e4-214-21a4-21b

4-21c4-21d4-21e4-21f4-22

4-22a

4-233

4-22b4–23

4–23a

4–23b4–23c

4–23d

APPENDIX A. REFERENCES

Publication Indexes and General Reference . . A-1Military Publications Indexes . . . . . . . . A-1a

General Reference . . . . . . . . . . . . . A-1bForms . . . . . . . . . . . . . . . . . . . . A-2

P a g e

4-212

4-213

4-2164-220

4-2234-2284-229

4-2294-229

4-2294-229

4-229

4-2294-2304-231

4-2324-233

4-2334-233

4-2344-234

4-2344-2344-235

4-2354-235

4-2354-2354-2364-236

4-2364–236

4–2394–2394–243

4–254

A - 1

A - 1

A-1A-1

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APPENDIX A — Continued

APPENDIX B.Section I.

II.

III.

APPENDIX C .Section I.

II.

APPENDIX D .Section I.

II.

Other Publications . . . . . . . . . . . . .Truck . . . . . . . . . . . . . . . . . . .General . . . . . . . . . . . . . . . . . .

COMPONENTS OF END ITEM LISTIntroduction . . . . . . . . . . . . . . . . .Scope . . . . . . . . . . . . . . . . . . . .General . . . . . . . . . . . . . . . . . . .Explanation of Columns . . . . . . . . . . .Abbreviations . . . . . . . . . . . . . . . .

Integral Component of the End Item . . . . . .Basic Issue Items. .,... . . . . . . . . .ADDITIONAL AUTHORIZATION LISTIntroduction . . . . . . . . . . . . . . . . .

Scope . . . . . . . . . . . . . . . . . . . .General . . . . . . . . . . . . . . . . . . .Explanation of Listing . . . . . . . . . . . .

Additional Authorization ListEXPENDABLE SUPPLIES AND MATERIALS LISTIntroduction . . . . . . . . . . . . . . . . .Scope . . . . . . . . . . . . . . . . . . . .Explanation of Columns . . . . . . . . . . .

Expendable Supplies and Materials List . . . . .

INDEX . . . . . . . . . . . . . . . . . . . . . . . . . .

VOLUME 2 OF 4

SCHEDULED MAINTENANCE

CHAPTER 1. PREVENTIVE MAINTENANCE . . . . . . . . . . .2.

3.

4.

CHAPTER 1.2.

3.

4.

5.

6.

7.

8.

Paragraph

A-3A-3aA-3b

B-1B-2B-3B-4

C-1C-2C-3

D-1D-2

. . . *

CHECKOUT , ALINEMENT , AND ADJUSTMENT . . . . . .LUBRICATIONSCHEDULED MAINTENANCE OF MATERIAL USED INCONJUNCTION WITH MAJOR ITEMS. . . . . . . . . .

VOLUME 3 OF 4

TROUBLESHOOTING

GENERAL INFORMATIONTROUBLESHOOTING APPROACH . . . . . . . . . . . . . . . . . . .TROUBLESHOOTING INDEX . . . . . . . . . . . . . . .TEST EQUIPMENT PROCEDURES INDEX . . . . . . . . .TROUBLESHOOTING ROADMAPS . . . . . . . . . . . . .FAULT SYMPTOM INDEXES . . . . . . . . . . . . . . .SAMPLE TROUBLESHOOTING PROCEDURE . . . . . . . .FUEL SYSTEM TROUBLESHOOTING PROCEDURES . . . .

Page

A-1A-2A-2

B-1B-1B-1B-1B-3B-4B-6

C-1C-1C-1C-1C-2

D-1D-1D-1D-21-1

1-1

2-13-1

4-1

1-1

2-13-14-15-16-17-18-1

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Page

CHAPTER 9.10.

11.

12.

13.

14.15.16.17.18.19.20.

COOLING SYSTEM TROUBLESHOOTING PROCEDURES. . .TRANSMISSION SYSTEM TROUBLESHOOTING

PROCEDURESTRANSFER SYSTEM TROUBLESHOOTING . . . . . . . . . . . . .

. .

PROCEDURESFRONT AXLE SYSTEM TROUBLESHOOTING . . . . . . .

PROCEDURESREAR AXLE SYSTEM TROUBLESHOOTING . . . . . . .

. .

PROCEDURES . . . . . . . . . . . . . . . . . . . .BRAKE SYSTEM TROUBLESHOOTING PROCEDURES. . . .WHEEL SYSTEM TROUBLESHOOTING PROCEDURES. . . .STEERING SYSTEM TROUBLESHOOTING PROCEDURES . .DUMP TRUCK TROUBLESHOOTING PROCEDURES . . . .FRONT WINCH TROUBLESHOOTING PROCEDURES . . . .REAR WINCH TROUBLESHOOTING PROCEDURES . . . . .HOT WATER HEATER TROUBLESHOOTING

PROCEDURES . . . . . . . . . . . . . . . . . . .

VOLUME 4 OF 4

MAINTENANCE

CHAPTER 1. GENERAL MAINTENANCE INFORMATION. . . . . . . . .2. EQUIPMENT GROUP MAINTENANCE . . . . . . . . . .

Section 1. Scope . . . . . . . . . . . . . . . . . . . . . . . .II.

Engine Equipment Items Maintenance . . . . . . . . .III. Fuel System Equipment Items Maintenance . . . . . . .IV. Electrical System Equipment Items Maintenance . . . .v. Wheels Equipment Items Maintenance . . . . . . . . .

9-1

10-1

11-1

12-1

13-1

14-115-1

16-117-1

18-1

19-1

20-1

1-1

2-12-1

2-22-8

2-122-15

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LIST OF ILLUSTRATIONS

FigureNumber Title

PageNumber

1-1

1-21-31-41-52-12-22-3

2-42-5

2-62-7

2-82-9

2-10

2-112-12

2-13

2-142-15

2-162-17

2-182-19

B-1B-2

B-2B-3B-4B-4

Typical 5-Ton, 6x6 Cargo Truck (M54A2, M54A2C) . . . . . .

Typical 5-Ton, 6x6 Cargo Truck (M55A2) . . . . . . . . . . .Typical 5-Ton, 6x6 Tractor Truck (M52A2) . . . . . . . . . .Typical 5-Ton, 6x6 Medium Wrecker Truck (M543A2) . . . . . .Typical 5-Ton, 6x6 Dump Truck (M51A2) . . . . . . . . . . .

OveraH Equipment Block Diagram . . . . . . . . . . . . . . .Engine Components Location (Left Side) . . . . . . . . . . . .Engine Components Location (Right Side) . . . . . . . . . . .Clutch Components Location. . . . . . . . . . . . . . . . . .Electrical System Components Location . . . . . . . . . . . .Fuel and Air Intake System Components Location . . . . . . .Cooling System Components Location , . . . . . . . . . . . .

Horizontal Exhaust System Components Location . . . . . . . .Vertical Exhaust System Components Location . . . . . . . . .Transmission, Transfer and Power Takeoffs ComponentsLocation . . . . . . . . . . . . . . . . . . . . . . . . .

Axle Driving Propeller Shafts Components Location . . . . . .Auxiliary Equipment Propeller Shafts ComponentsLocation (M51A2) . . . . . . . . . . . . . . . . . . . . . .

Auxiliary Equipment Propeller Shafts ComponentsLocation (M543A2) . . . . . . . . . . . . . . . . . . . . .

Steering System Components Location . . . . . . . . . . . . .Handbrake System Components Location . . . . . . . . . . . .Service Brake System Components Location . . . . . . . . . .Compressed Air System Components Location . . . . . . . . .

Trailer Airbrake System Components Location . . . . . . . . .Axles, Wheels and Hubs System Components Location . . . . .

Integral Components . . . . . . . . . . . . .. . . .Tools and Equipment Used on All Trucks (Sheet 1 of 2) . . . .Tools and Equipment Used on All Trucks ( Sheet 2 of 2) . . . .Miscellaneous Tools and Equipment. . . . . . . . . . . . . .

Wrecker Tools and Equipment (M543A2) (Sheet 1 of 2) . . . . .Wrecker Tools and Equipment (M543A2) (Sheet 2 of 2) . . . . .

1-4

1-41-5

1-5

1-62-3

2-42-5

2-62-7

2-82-9

2-102-11

2-12

2-13

2-14

2-152-162-17

2-182-19

2-202-21

B-4B-6

B-8B-10B-12

B-14

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TM 9-2320-211-10-1

Number

1-12-12-22-3

2-42-5

2-62-72-82-9

2-104-1

LIST OF TABLES

Title

Vehicle Class Information .Weight (Pounds) . . . . .Dimensions (Inches) . . .Operating Dimensions. . .Capacities . . . .Tire Inflation Data

Permissible FuelsPerformance DataShifting Speeds in

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Engine-and Radiator DataWinch Data . . . . . . .Vehicle Light Chart . . .

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Page

1-32-23

2-232-24

2-242-24

2-252-27

2-282-28

2-284-46

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TM 9-2320-211-10-1

CHAPTER 1

I N T R O D U C T I O N

1-1. SCOPE. This technical manual contains operating instructions for the 5-ton,6x6, M39 series trucks (figures 1-1 through 1-5) equipped with multifuel engines, andoperator level maintenance instructions in accordance with the maintenance allocationchart. Operating instructions for special purpose kits used with these trucks are

also included. The purpose of this manual is to give the operator the information heneeds for safe, trouble–free operation of the equipment under usual and unusualconditions.

1-2. FORMS AND RECORDS. Maintenance forms, records and reports which are to

be used by maintenance personnel at all levels are listed and prescribed by TM 38-750.

1-3. EQUIPMENT IMPROVEMENT REPORT AND MAINTENANCE DIGEST (EIR MD)

AND EQUIPMENT IMPROVEMENT REPORT AND MAINTENANCE SUMMARY (EIR MS).

The quarterly Equipment Improvement Report and Maintenance Digest, T-B 43-0001-39series, contains valuable field information on the equipment covered in this manual.The information in the TB 43-0001-39 series is compiled from some of the EquipmentImprovement Reports that you prepared on the vehicles covered in this manual. Manyof these articles result from comments, suggestions, and improvement recommendationsthat you submitted to the EIR program. The TB 43-0001-39 series contains informationon equipment improvements, minor alterations, proposed Modification Work Orders( MWO’s) , warranties (if applicable), actions taken on some of your DA form 2080’s

( Recommended Changes to Publications), and advance information on proposed changes

that may affect this manual. In addition, the more maintenance significant articles,including minor alterations, field-fixes, etc, that have a more permanent and continu-ing need in the field are republished in the Equipment Improvement Report andMaintenance Summary (EIR MS) for TARCOM Equipment (TM 43-0143). Refer to both

of these publications ( TB 43-0001– 39 series and TM 43-0143) periodically, especially

the TB 43-0001-39 series, for the most current and authoritative information on yourequipment. The information will help you in doing your job better and will help youin keeping you advised of the latest changes to this manual. Also refer to DA Pam310-4, index of Technical Publications, and Appendix A, References, of this manual.

1-4. REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS. If your truck

needs improvement, let us know. Send us an EIR. You, the user, are the only onewho can tell us what you don’t like about your equipment. Let us know why YOU

don’t like the design. Tell us why a procedure is hard to perform. Put it on anSF 368 (Quality Deficiency Report). Mail it to us at: Commander, U.S. Army Tank-Automotive Materiel Readiness Command, ATTN: DRSTA-MB, Warren, Michigan 48090. We’ll send uou

a reply.

1-5. METRIC SYSTEM. The equipment /system described herein is nonmetric anddoes not require metric common or special tools. Therefore, metric units are not

supplied. Tactical instructions, for sake of clarity, will also remain nonmetric.

1 1

tm_9-2320-211-10-1 ( m.54 )

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