tm 9-2320-303-10 operator`s manual for truck
Contents
1. F 1 524 Index 1 9 2320 303 10 HOW TO USE THIS MANUAL This manual is designed to help you operate and maintain the M915A4 truck tractor FEATURES OF THIS MANUAL A table of contents is provided at the beginning of this manual An index of all paragraphs contained within a section is found at the beginning of each section WARNINGs CAUTIONs NOTEs subject headings and other important information are highlighted in BOLD print as a visual aid WARNING A WARNING indicates a hazard which can result in death or serious injury CAUTION A CAUTION is a reminder of safety practices or directs attention to usage practices that may result in damage to equipment NOTE A NOTE is a statement containing information that will make the procedure easier to perform Statements and words of particular importance are printed in CAPITAL LETTERS to create emphasis Instructions are located with illustrations that show the specific task on which the operator is working Dashed leader lines used in illustrations indicate that called out items are not visible i e they are located within the structure Dashed leader lines in the Lubrication Chart indicate that lubrication is required on BOTH sides of the equipment Technical instructions include metric units in addition to standard units A metric conversion chart is provided on the inside back cover An alphabetical index is prov2. 9 2320 303 10 OPERATOR S MANUAL FOR TRUCK TRACTOR LINE HAUL 52 000 GVWR 6 X 4 M915A4 NSN 2320 01 458 1 207 Approved for public release distribution is unlimited HEADQUARTERS DEPARTMENT OF THE ARMY 15 OCTOBER 2001 9 2320 303 10 TECHNICAL MANUAL HEADQUARTERS TM 9 2320 303 10 DEPARTMENT OF THE ARMY WASHINGTON D C 15 OCTOBER 2001 OPERATOR S MANUAL FOR TRUCK TRACTOR LINE HAUL 52 000 GVWR 6 X 4 M915A4 NSN 2520 01 458 1207 REPORTING ERRORS AND RECOMMENDING IMPROVEMENTS You can help improve this publication If you find any mistakes or if you know of a way to improve the procedures please let us know Submit your DA Form 2028 Recommended Changes to Equipment Technical Publications through the Internet on the Army Electronic Product Support AEPS website The Internet address is http aeps ria armv mil If you need a password scroll down and click on ACCESS REQUEST FORM The DA Form 2028 is located in the ONLINE FORMS PROCESSINGi section of the AEPS Fill out the form and click on SUBMIT Using this form on the AEPS will enable us to respond quicker to your comments and better manage the DA Form 2028 program You may also mail fax or e mail your letter DA Form 2028 direct to AMSTA LC CI TECH PUBS TACOMHRI 1 Rock Island Arsenal Rock Island IL 61299 7630 The e mail address is TACOM TECH PUBS ria army mil The fax number is DSN 793 0726 or Commercial 309 782 0726 TABLE OF C
3. Minute 9 2320 303 10 Section Il EQUIPMENT DESCRIPTION AND DATA Paragraph Page Number Paragraph Title Number 1 9 Equipment Characteristics Capabilities and Features 1 5 Location and Description of Major Components 1 6 1 11 Equipment 1 9 1 9 EQUIPMENT CHARACTERISTICS CAPABILITIES AND FEATURES a Characteristics 1 The M915A4 is used to transport M871 M872 and M1062 semitrailers on line haul missions 2 It has a Gross Vehicle Weight Rating GVWR of 52 000 Ib 23 608 kg and is equipped with a two way oscillating sliding fifth wheel compatible with a two inch kingpin Maximum towed load on kingpin is 30 000 Ib 13 620 kg b Capabilities and Features 1 While operating on Class roads the fully loaded M915A4 can maintain a speed of 55 mph 88 kph on level roads and 29 mph 47 kph while ascending a 3 percent grade It has a minimum turning diameter curb to curb of 53 ft 9 in 16 4 m 2 Average cruising ranges at Gross Combination Weight Rating GCWR with a full tank of fuel will vary based on conditions e g varying loads prolonged idle and climatic conditions Cruising range is optimally 300 miles 483 km 3 M915A4 is equipped with an instrument panel mounted speedometer and tachometer which register truck ground speed and engine speed 4 M915A4 has the following capabilities and features a
4. air activated front and rear non asbestos cam brakes with a four channel anti lock brake system ABS to provide significantly improved handling and braking during emergency stops b operation in temperatures from 25 F 32 C to 125 F 52 and to 40 F 40 C with arctic kit installed c start and climb capability of a 20 percent grade at GCWR in both forward and reverse directions d fording capability up to 20 in 51 cm deep for 5 minutes without damage or requiring maintenance before operations can continue e two passenger aluminum corrosion proof cab with a 90 degree tilt forward hood for service accessibility 9 2320 303 10 1 9 EQUIPMENT CHARACTERISTICS CAPABILITIES AND FEATURES Con t f six cylinder 14 liter 400 horsepower in line turbocharged diesel engine built by Cummins g Allison HD 4560P four speed automatic transmission 5 When operating in arctic conditions the M915A4 is equipped with an arctic heater mounted under the cab above the battery box This provides heat for the cab and the engine cooling system The arctic heater may be operated prior to starting the engine to provide preheating of engine block 6 Collision Warning System CWS that warns the driver of potentially dangerous driving situations by activating visual and audible alerts 1 10 LOCATION AND DESCRIPTION OF MAJOR COMPONENTS T y EDT iH m ON ji of 9 2320 303 10
5. 1 10 LOCATION AND DESCRIPTION OF MAJOR COMPONENTS Con t Marker Clearance Lights Side Mirrors Heated Grabhandles Utility Power Receptacle Air Horn Master Battery Switch Spare Wheel and Tire Battery Box and Steps Front Service Lights Bumper Extensions Blackout Lights Towing Eyes CWS Antenna Brush Guard Spotting Mirrors Indicate outline of truck Provide driver with a view of sides of truck Provide a hand hold for personnel climbing on truck Supplies power for work lights Located on both sides of truck Provides an audible alert Provides battery power to truck Extra wheel and tire used in case of a flat tire Holds vehicle batteries and provides steps to access cab Include headlights and turn signals Provide adjustable attachment point for slings Include marker and Used during blackout conditions drive lights Provide attachment points for towing device Forward looking collision warning system antenna Protects front of hood and components under hood from damage Provide added visibility to sides of truck and semitrailer if towing 9 2320 303 10 1 10 _ LOCATION AND DESCRIPTION OF MAJOR COMPONENTS Con t 19 20 21 22 Description 3 Grabhandles Provide a hand hold for personnel climbing on truck 16 Ramp Sloped surface serves as an approach to fifth wheel and facilitates coupling of semitrailer 17 Fifth Wheel Coupling device for semitrailers with kingpins 18 Ho
6. ONTENTS Page CHAPTER 1 General Informations aaa ptu 1 1 Equipment Description and Data 1 5 Section Principles of 1 13 CHAPTER 2 OPERATING INSTRUCTIONS Description and Use of Operator s Controls and Indicators 2 1 Preventive Maintenance Checks and Services PMOS eana 2 19 Approved for public release distribution is unlimited Section lt CHAPTER 3 Section APPENDIX APPENDIX APPENDIX APPENDIX APPENDIX APPENDIX TM 9 2320 303 10 TABLE OF CONTENTS Con t Page Operation Under Usual Conditions 2 55 Operation Under Unusual Conditions 2 77 OPERATOR Lubrication Instructions seesssssssssseess 3 1 Troubleshooting 3 3 Maintenance Procedures 3 13 REFERENCES wr COMPONENTS OF END ITEM AND BASIC ISSUE ITEMS LISTS ADDITIONAL AUTHORIZATION LIST EXPENDABLE AND DURABLE ITEMS LIST D 1 STOWAGE AND DECAL DATA PLATE AND STENCIL GUIDE LUBRICATION
7. breviation Definition MICA uL a mM Mer Additional Authorization List MT Anti Lock Brake System l tiers ete ice Basic Issue Items eine P Centigrade or Celsius e Cubic Inch Displacement ume MS Centimeter golpe Kn Components of End Item MIS ense ran n ee epe eos Ere eu peu p e ute Collision Warning System Electronic Control Unit uua testen dub i ocu do Door Les teet s Cris eq Fahrenheit GOWR mE Gross Combination Weight Rating aV Eb hee Gross Vehicle Weight Rating nc Kilogram KIM diee orsi guo en deep ed rau ue eva eU re Kilometer prie p tes Pare Pop Toe Kilopascal tee ae cu tesa t epu Eee ef tenu ut ecd n en Kilometers per Hour KW eR teet e ue MR Kilowatt xt dc M LM t E Liter lr Pound lo ge Pound foot o mc Liters per Hour LEE Meter PEE Ur Millimeter cst t bt en kerk ch e su kcal re dst os Vr Newton meter PMGS Preventive Maintenance Checks and Services DSU ci PEPEE A E itd tet do e ca Rte TERR tb tended eut PARET Ire se pee nas Pounds per Square Inch quM En Revolutions per
8. ck needs improvement let us know Send us an EIR You the user are the only one who can tell us what you don t like about your equipment Let us know why you don t like the design or performance Put it on an SF Form 368 Product Quality Deficiency Report Mail it to us at Commander U S Army Tank automotive and Armaments Command ATTN AMSTA AC NML Rock Island Illinois 61299 7630 We ll send you a reply 1 6 WARRANTY INFORMATION The vehicles are warranted by Freightliner Corporation in accordance with TB 9 2320 303 15 Warranty starts on the date found in block 23 DA Form 2408 9 in the logbook Report all defects in material or workmanship to your supervisor who will take appropriate action through your Unit Maintenance shop 9 2320 303 10 1 7 NOMENCLATURE CROSS REFERENCE LIST Common Name Official Nomenclature COld Start SYSlOM Ether Quick Start System Differential LOCK UNIOCK Interaxle Lockout Engine Coolant trout atte deme stat ee Ur Antifreeze Ethylene Glycol Mixture ladhand tette pene e oh aie ea ete Quick Disconnect Coupling Jake Brake sc uted Engine Brake MEET Seat Belt Adjustment No Spin cnni Automatic Locking Positive Traction Differential 1 8 LIST OF ABBREVIATIONS NOTE Refer to MIL STD 12D for standard abbreviations Ab
9. er worldwide climatic conditions in a military environment 1 2 MAINTENANCE FORMS AND PROCEDURES Department of the Army forms and procedures used for the equipment will be those prescribed by DA Pam 738 750 Functional Users Manual for the Army Maintenance Management System TAMMS as contained in the Maintenance Management Update 1 1 9 2320 303 10 1 3 CORROSION PREVENTION AND CONTROL CPC a Corrosion Prevention and Control CPC of Army materiel is a continuing concern It is important that any corrosion problems with this item be reported so that the problem can be corrected and improvements can be made to prevent the problem in future items b While corrosion is typically associated with rusting of metals it can also include deterioration of other materials such as rubber and plastic Unusual cracking softening swelling or breaking of these materials may be a corrosion problem If a corrosion problem is identified it can be reported using SF Form 368 Product Quality Deficiency Report Use of key words such as corrosion rust deterioration or cracking will ensure that the information is identified as a CPC problem The form should be submitted to the address specified in DA Pam 738 750 1 4 DESTRUCTION OF ARMY MATERIEL TO PREVENT ENEMY USE For destruction of Army materiel to prevent enemy use refer to TM 750 244 6 1 5 REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS EIRs If your tru
10. ided at the end of the manual to assist in locating information not readily found in the table of contents FOLLOW THESE GUIDELINES WHEN YOU USE THIS MANUAL Read through this manual and become familiar with its contents before attempting to operate or maintain the truck A warning summary is provided at the beginning of this manual and should be read before attempting to operate or maintain the truck 9 2320 303 10 1 INTRODUCTION Section GENERAL INFORMATION Paragraph Page Number Paragraph Title Number SCOPE MU Maintenance Forms and Procedures Corrosion Prevention and Control Destruction of Army Materiel to Prevent Enemy Use Reporting Equipment Improvement Recommendations EIRs Warranty Nomenclature Cross Reference List of 1 1 SCOPE a Type of Manual This manual is for use in operating and maintaining the M915A4 truck tractor b Equipment Name and Model Number Truck Tractor Line Haul 52 000 GVWR 6 X 4 M915A4 c Purpose of Equipment The M915A4 truck tractor is a 6 X 4 prime mover of semitrailers used primarily to transport containers bulk cargo and petroleum products over primary and secondary roads und
11. ies Engine Oil Refill 6 Cooling System Fuel Tank Power Steering Reservoir Transmission Rear Axle Forward Rear 275 5 in 700 cm 119 in 302 cm 98 in 249 2 _ a a gt 162 in 411 cm 9 in 23 cm 27 18 680 Ib 8481 kg 52 000 Ib 23 608 kg 105 000 Ib 46 670 kg 12 000 Ib 5448 kg 40 000 Ib 18 160 kg 46 qt 43 5 17 25 gal 65 3 I 100 gal 378 5 2qt 1 91 51 qt 481 40 36 pts 19 17 1 9
12. setenna Mounting and stowage location for intervehicular air lines 19 Utility Lights Illuminate area in back of cab There is one light on each side of cab 20 Beacon Warning Light fed rotating light alerts other vehicles of presence of ruck 21 Intervehicular Contains 12 volt commercial 24 volt military and trailer Receptacles Installation ABS receptacles 22 Antenna Mount Mount for radio antenna 23 Exhaust Muffler Deadens noise of engine exhaust 24 Hood Latch Locks hood closed Located on both sides of hood 1 10 9 2320 303 10 LOCATION AND DESCRIPTION OF MAJOR COMPONENTS Con t CWS Side Sensor 25 26 27 28 29 30 31 Fuel Tank Storage Boxes Mud Flaps Trailer Gladhands Pintle Hook Taillights Side looking collision warning system sensor Holds fuel Steps mounted to tank provide access to cab Provide stowage area for BII and other items Prevent water and debris from spraying up on passers by or towed semitrailer Provide air supply for brakes of trailer Coupling device for trailers with lunettes Contain composite tail stop backup and turn signal lights 1 11 EQUIPMENT DATA Dimensions Length Overall Height Overall Width Overall Wheelbase Ground Clearance Angle of Approach Weights Front Axle Loaded Rear Axle Loaded Capacit
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