M1070 8×8 HET Truck Tractor Operator Manual 2010 – TM 9-2320-360-10 PDF

Description

M1070 8×8 HET Truck Tractor Operator Manual – TM 9-2320-360-10

This is the complete operator’s manual for the M1070 8×8 Heavy Equipment Transporter (HET) Truck Tractor, published by Headquarters, Department of the Army as Technical Manual TM 9-2320-360-10. The revision captured here is dated 31 March 2010 (original issue 31 May 2007). It is the manual issued to the operator and crew of the M1070 and covers day-to-day operation, control locations, preventive maintenance, troubleshooting, and the operator-level maintenance tasks needed to keep the tractor mission-capable.

The M1070 is the tractor half of the Heavy Equipment Transport System (HETS), paired with the M1000 trailer to move the M1 Series Main Battle Tank and other heavy tracked and wheeled vehicles up to 140,000 lbs. It is an eight-wheel-drive tractor with a Detroit Diesel 8V92TA two-stroke engine, an Allison CLT 754 automatic transmission, a two-speed Oshkosh transfer case, four Rockwell planetary axles, twin 55,000 lb recovery winches, a 3,000 lb auxiliary winch, and a Central Tire Inflation System (CTIS). This manual documents all of it from the operator’s seat outward.

File Details

• Manual type: Operator’s Manual (Operator-level operation and maintenance)
• Document number: TM 9-2320-360-10
• Equipment: Truck, Tractor, 8×8, M1070, Heavy Equipment Transporter (HET)
• NSN: 2320-01-318-9902
• Manufacturer: Oshkosh Corporation
• Language: English
• File format: PDF
• Revision date: 31 March 2010 (original 31 May 2007)
• Structure: 117 work packages across 6 chapters plus Warning Summary, front and rear matter

Chapters Covered

• Warning Summary – general safety caution/warning summary, warning icons, modification hazard, carbon monoxide, high-pressure hydraulic system, electrical system, solvent cleaning, CARC paint, adhesives, flammable liquids, moving machinery, winch operation, parts under pressure, heavy parts, extreme heat, cables, lead-acid batteries, CBRN, tire operation, vehicle operation, brakes, burns, hearing protection, compressed air, engine/transmission components, hazardous waste
• Chapter 1 – General Information, Equipment Description and Theory of Operation
  • Introduction, common nomenclature, abbreviations, conversion factors
  • Warranty program (Oshkosh, Detroit Diesel engine, Allison transmission)
  • Equipment characteristics, capabilities and features
  • Location and description of major components
  • Equipment data: dimensions, weights and payloads, weight distribution, performance, fluid capacities
  • Steering system, power train, electrical system, air system theory
  • Winch system theory
  • Central Tire Inflation System (CTIS) theory

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• Chapter 2 – Operator Instructions
  • Cab-mounted foot controls, hand controls, steering column controls
  • Main instrument panel controls and indicators
  • Air system panel, center panel, tunnel panel controls
  • Ventilator controls, front seat adjustment, winch station controls
  • Fifth wheel controls, exterior-mounted controls and indicators
  • Decals and data plates
  • General HET tractor-trailer operating procedures (moving, backing, braking, parking)
  • CTIS operation, windshield wipers/washer, cab temperature controls
  • Ventilator, personnel ladder, fire extinguisher operation
  • Trailer connection/disconnection (fifth wheel)
  • Winch operation (preparation, cable payout, recovery, disconnection and stowage)
  • M12 EMI arctic heater and Swingfire arctic heater operation
  • Cold and warm engine starting
  • Engine brake, service brakes, trailer brakes
  • Transmission and transfer case operation
  • Shut engine off, operate parking brake
  • Gas Particulate Filter Unit (GPFU) operation
  • Rifle stowage mount, chemical alarm kit, decontamination kit, radio operation
  • Cab internal lights, beacon and work lights, service drive lights, blackout lights, emergency flashers, turn signals
  • Portable work light, footrest, seat adjustment and seat belt operation
  • Wheel chocks, desert operation, extremely cold environment operation, forest/uneven terrain, fording, tire chains
  • Connect/disconnect tow bar, prepare HET for towing, transport disabled vehicle
  • Extreme heat and extreme dust operation
  • Steep grade operation, sand/mud/snow operation, cold environment operation
  • Highway emergency marker kit, slave start vehicle, loss of air supply emergency procedure
  • Manually release/apply spring brakes, limp home procedure
  • Movement Tracking System (MTS) power converter failure
  • Stowage and sign guide
• Chapter 3 – Troubleshooting Procedures
  • Wanders, pulls to one side, leans, or shimmies
  • Difficult to steer or excessive play
  • Tires worn unevenly or excessively
  • Wheel wobbles or shimmies
  • Winches will not operate, noisy winches, winch speed problems
  • Cable hold down does not operate
  • CTIS will not operate
  • Fifth wheel will not lock or unlock
  • Excessive movement of trailer king pin
  • Exhaust system unusually noisy or fumes in cab
  • Special purpose kits, GPFU will not operate
• Chapter 4 – Preventive Maintenance Checks and Services (PMCS)
  • PMCS introduction and general maintenance procedures
  • Before, During and After PMCS
  • Weekly, Monthly and Semiannual PMCS
  • Fluid leakage classification (Class I, II, III)
  • Walk-around routing diagram
• Chapter 5 – Maintenance Instructions
  • Lubrication instructions and lubrication tables
  • HET tractor cleaning instructions (exterior and interior)
  • Changing tire/wheel assembly (spare tire removal, flat tire removal, spare installation, flat tire stowage)
  • Servicing tires
  • Dipstick removal/installation
  • Opening/closing hood
  • Opening/closing battery box
• Chapter 6 – Supporting Information
  • References (DA PAMs, forms, field manuals, technical bulletins, technical manuals, miscellaneous publications)
  • Components of End Item and Basic Issue Items lists
  • Additional Authorization List (AAL)
  • Expendable and Durable Items List
  • On-Vehicle Equipment Loading Plan

Between the covers, this M1070 operator’s manual gives the crew the full working picture of the tractor: what every switch, lever and gauge does; how the air, hydraulic, electrical, steering, winch and CTIS systems behave; how to couple and uncouple the M1000 trailer at the fifth wheel; how to run recovery winching safely; how to start the engine cold or warm; how to drive on grades, sand, mud, snow and through water; and how to handle emergencies like loss of air pressure, a dead battery or a runaway. The troubleshooting chapter takes the most common operator-level complaints and walks them through test-by-test, so a driver can tell the difference between something that needs an adjustment and something that needs field maintenance. The PMCS chapter is the daily backbone of the book, giving before, during, after, weekly, monthly and semiannual checks with the exact fluid levels, pressures, temperatures and wear limits the Army expects the crew to watch.

What This Manual Lets You Do

With the M1070 HET Truck Tractor operator manual in hand you can identify and operate every cab control, panel switch and indicator on the tractor. You can run the Central Tire Inflation System through its Highway, Cross Country, Mud/Sand/Snow and Emergency settings and understand the maximum speed and tire pressure for each. You can couple and uncouple the M1000 trailer, exercise the fifth wheel primary and secondary lock handles, and confirm the king pin is properly captured. You can prepare the recovery winches for a pull, pay cable out with the auxiliary winch, recover a disabled vehicle and stow everything back down without damaging cable or drums. You can start the engine cold with ether, warm it properly, use the engine brake on grades, and shut it down without cooking the turbocharger.

When something is not right, the troubleshooting chapter helps you narrow it down. A steering wander, a wobbling wheel, a winch that runs at one speed, a CTIS that refuses to engage, a fifth wheel that will not unlock, or exhaust fumes in the cab all have operator-level diagnostic paths here. The PMCS tables back that up with the routine checks that catch problems early, including tire pressures for each CTIS setting, hub temperature checks after a run, air reservoir draining, fuel/water separator servicing, winch cable inspection, and battery electrolyte checks. For the operator who wants to know how the machine is supposed to behave, this is the reference that defines normal.

Correct procedures and correct specifications are what keep an 86,000 lb GVWR tractor and its 231,400 lb GCWR combination safe and serviceable. Using the wrong CTIS setting for the terrain, over-speeding a grade, running a dry hydraulic reservoir, or forcing a transfer case shift can turn a routine mission into a recovery. This manual gives the numbers and the steps the Army uses to prevent that.

The file is delivered as an instant PDF download – no shipping, no waiting, no physical book to lose. Open it on a laptop, tablet or phone in the cab, the shop or the field, search the sections you need, and print only the pages you want to carry. Whether you are running an M1070 today, restoring one, or supporting a fleet, having the TM 9-2320-360-10 operator’s manual on hand means the answers are always within reach.