Ordnance Maintenance: Chassis and Body for Half-Track Vehicles - TM 9-1710C War Department Technical Manual

Scope of information References This technical manual is published for the information and guidance of ordnance maintenance personnel and is the third of a series of three maintenance publications provided for the subject vehicles. a. Vehicle. Information concerning the service maintenance, technical inspection, and lubrication of the entire vehicle will be found in'TM 9-710. b. Chassis and Body. Information is included in this manual concerning the detailed description, operation, inspection and trouble diagnosis, disassembly, maintenance and repair, assembly, and test of major components of the chassis (exclusive of power train and power plant) and body, supplementing TM 9-710 prepared for the using arm. c. Power Train. For maintenance information concerning the power train, refer to TM 9-1710. d. Power Plant. For maintenance information concerning the power plant and its accessories, refer to TM 9-1711. All pertinent standard nomenclature lists, technical manuals, and other publications having reference to the materiel described herein, are listed in section XIII. Allocation of repair jobs There is a distinct difference between the missions of organizational maintenance and of service maintenance. Organizational maintenance by the using arms has for its prime objective the routine preventive maintenance care and adjustment of vehicles so that they will be in good operating condition at all times with a minimum loss of elapsed time for repairs. Service maintenance by light and heavy maintenance organizations of the Quartermaster Corps and Ordnance Department has for its prime objectives, supply, technical inspection and corrective action, and repairs beyond the capacity of the using arms — either by unit replacement, overhauling, rebuilding, reclaiming, manufacturing, or any other methods considered most suitable. The scope of maintenance and repairs by maintenance personnel is determined by the ease with which the project can be accomplished, the amount of time available, weather conditions, concealment, shelter, proximity to hostile fire, equipment, tools and parts available, and skill of the personnel. Since all of these factors are variable, no exact system or procedure can be prescribed or followed. The operations herein augment those which may be performed by personnel of the using arms. Body plates and supports Repair, replace, or rebuild Sheet metal Repair, weld, or rebuild Tops Repair, weld, or rebuild Upholstering Repair or replace Windshield wipers Repair or rebuild Track supporting roller assemblies Repair Axle tube suspension Repair Axle tube suspension Repair, weld, machine, and aline Brackets, rear suspension Repair, weld, machine, and aline Track adjusting mechanism Rebuild Bogie components Machine, weld, and aline Brake cylinders Repair and hone Brake vacuum booster Adjust, repair, and rebuild f. Electrical Generating and Starting System. g. Electrical Ignition System. h. Electrical Lighting System and Accessories. Frame Repair or straighten Fuel gage components Repair II. Springs and Shock Absorbers. Springs Repair or rebuild Steering gear Repair or rebuild p. Transmission — Transfer Case. (See TM 9-1710). Line casings and tube Repair Wheels Repair, weld, machine, and aline Inspection form Practical application Technical inspections are a follow-up and check on organizational maintenance inspections and other maintenance functions, and determine whether the vehicle should be continued in service or withdrawn from operation for overhaul. These inspections are covered in AR 850-15. War Department Quartermaster Corps Form No.

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