TM 5-5420-202-20-1
PRINCIPLES OF OPERATION
Section I - FUNCTIONAL DESCRIPTION
This chapter contains functional descriptions of engine and hull systems allocated to organiza-
tional maintenance, describing how the systems operate and how the systems relate to other
equipment systems of the engine and hull. Systems described in Section II are:
Engine
Engine lubrication subsystem
Engine fuel system
Fuel system
Air cleaner assembly
Air cleaner hoses and screens
Manifold heater
Fuel tanks and distribution system
Primer pump
Accelerator controls
Exhaust system
Cooling system
Eletrical system
Charging system
Starting system
Indicators, gages, and controls
Lighting system
Hull wiring harnesses/connectors
Radio interference suppression
Transmission
Final drive and coupling (universal joint)
Brake system
Tracks and suspension system
Steering system
Hull exterior
Hull interior
Personnel heater system
Speedometer and tachometer
Fixed fire extinguisher system
Engine smoke generating system
