M1070 8×8 HET Truck Tractor Unit Maintenance Manual TM 9-2320-360-20-2 Vol 2

Description

M1070 8×8 HET Truck Tractor Unit Maintenance Manual (TM 9-2320-360-20-2, Volume 2)

This is the official US Army Unit Maintenance manual for the M1070, 8 X 8, Heavy Equipment Transporter (HET) truck tractor, technical manual number TM 9-2320-360-20-2, Volume No. 2, dated May 2007 and issued by Headquarters, Department of the Army (NSN 2320-01-318-9902, EIC B5C). If you turn wrenches on an M1070 HET tractor, this is the reference that covers unit-level repair from the engine bay to the cab.

File Details

• Manual type: Unit Maintenance Technical Manual (Volume 2)
• Brand / Model: M1070, 8 X 8, Heavy Equipment Transporter (HET) Truck Tractor
• Document number: TM 9-2320-360-20-2
• Date: May 2007 (supersedes edition dated 31 March 1994)
• Language: English
• Page count: 1,477 pages
• File format: PDF, instant digital download

Chapters Covered

This M1070 HET tractor unit maintenance manual is organized into 19 chapters plus reference appendices, each broken into an introduction and a maintenance procedures section:

• Chapter 3 – Engine Maintenance (rocker covers, oil filter adapter, and related engine top-end repair)
• Chapter 4 – Fuel System Maintenance (air cleaner assembly, air intake/aspiration hoses, left and right fuel tanks, fuel tank brackets, fuel hoses, fuel/water separator service and repair)
• Chapter 5 – Exhaust System Maintenance (muffler replacement, exhaust tube replacement)
• Chapter 6 – Cooling System Maintenance (cooling system service, radiator and shroud, radiator/hood baffle, cooling hoses, drain cocks, fan assembly, fan clutch, fan belt, coolant filter mounting head, radiator sight glass)
• Chapter 7 – Electrical System Maintenance (alternator test/voltage regulator, starter, circuit breakers, instrument panel, switches, relays, temperature and pressure sensors, CTIS controller/power manifold/transducers, battery cables and boxes, lighting, buzzer, backup alarm, DDEC components, STE-ICE test equipment connections, winch electrical, intervehicular cable, ventilator)
• Chapter 8 – Transmission Maintenance (PTO hoses, external modulator, AOAP sampling valve, dipstick tube)
• Chapter 9 – Transfer Case Maintenance (two-speed shift linkage, shift lever, lubrication lines, lockout shift chamber)
• Chapter 10 – Propeller Shafts Maintenance
• Chapter 11 – Brake System Maintenance (slack adjusters, brake chambers, service and spring brake relay valves, pressure protection valve, dash manifold valve, air reservoirs and valves, purge tank, manifold assemblies, air governor, air dryers, air valve assembly, load sensing valve, air lines and fittings)
• Chapter 12 – Wheel and Tire Maintenance (wheel valve and bracket, CTIS tube replacement)
• Chapter 13 – Steering System Maintenance (steering column, top steering shaft, tee gear box)
• Chapter 14 – Frame Maintenance (fifth wheel adjustment, ramp/extension, catwalk and step, alternate fifth wheel mounting, front axle stop)
• Chapter 15 – Suspension System Maintenance
• Chapter 16 – Cab and Body Maintenance (access panels, cab panels, doors and hinges, mud flaps, hood assembly and adjustment, seatbelts, seat cushions and shock absorbers, rifle mount, fenders, floor mats, cab insulation, door windows and latches)
• Chapter 17 – Winches Maintenance (winch cable guard, cable hold-down, hydraulic filter and housing, winch reservoir, hydraulic hoses and manifold, auxiliary winch and cable, PTO propshafts, gearbox oil)
• Chapter 18 – Body Accessory Items Maintenance (windshield washer, wiper linkage, mirrors, heater hoses and tubing, heater control panel)
• Chapter 19 – Special Purpose Kits Maintenance (Arctic kit coolant hoses and wire harness)
• Chapter 20 – Non-Electric Gages Maintenance
• Chapter 21 – Chemical, Biological, and Radiological (CBR) Equipment Maintenance
• Appendix A – References; Appendix B – Maintenance Allocation Chart; Appendix C – Expendable/Durable Supplies and Materials List; Appendix D – Illustrated List of Manufactured Items; Appendix E – Torque Values (dry, wet, and metric fastener torque tables)

IMAGES PREVIEW

Taken as a whole, this M1070 HET tractor unit maintenance manual gives a unit-level mechanic every removal, disassembly, cleaning/inspection, assembly, and installation procedure needed to keep the vehicle’s major systems running, along with the initial setup data (tools, materials, equipment conditions) that precedes each task.

Built for Real Field and Shop Work

Every maintenance task in this M1070 8×8 HET unit maintenance manual follows the same structured format: Initial Setup (equipment conditions, tools and special tools, materials/parts needed), followed by numbered removal, disassembly, cleaning/inspection, assembly, and installation steps, each cross-referenced to numbered parts callouts on the accompanying illustrations. Applicable WARNING and CAUTION blocks are placed directly ahead of the steps they apply to, covering hazards such as carbon monoxide, high-pressure air lines, hot coolant, battery acid, solvent cleaning compound, and heavy components like the 91 lb muffler.

Get the Most Out of Your M1070 HET Tractor

With this M1070 8×8 HET Truck Tractor Unit Maintenance Manual, you can perform correct removal, repair, and replacement procedures across the engine, fuel, exhaust, cooling, electrical, transmission, transfer case, brake, wheel, steering, frame, cab, winch, and body accessory systems without guessing at fastener torque values or part sequencing. Following the exact steps and torque specifications in this M1070 HET unit maintenance manual helps you avoid comebacks, protects expensive drivetrain and CTIS components, and keeps the vehicle serviceable to Army technical standards. This TM 9-2320-360-20-2 manual downloads instantly as a PDF after purchase – no shipping wait, no physical media – so you can open it on a laptop, tablet, or phone in the shop, or print out just the pages you need.