TM 5-3800-205-10-2
THEORY OF OPERATION
INTRODUCTION
1.
The water distributor consists of the following functional systems: engine; power train; air and brake systems; electrical
system; and steering and water distributor hydraulic systems.
2.
This work package explains how the systems and components of the machine work together. A functional description is
provided for each major component and system.
ENGINE
1.
General. The tractor is equipped with a Caterpillar 3116TA turbocharged diesel engine with six in-line cylinders, gen-
erating 175 horsepower @ 2300 RPM.
THERMOSTAT
OIL FILL
OIL LEVEL
ENGINE CRANKCASE
GOVERNOR
TURBOCHARGER
GAGE
BREATHER
WATER
OIL
PUMP
FILTER
390-404
LEFT SIDE
RIGHT SIDE
ENVIRONMENTAL
DRAIN
Fuel System. The engine is powered with a direct fuel injection system. Fuel from the fuel tank is pulled through a fuel/
2.
water separator and two secondary fuel filters by an electric fuel pump and the fuel transfer pump that is an integral part
of the engine governor. Drilled passages in the cylinder head provide continuous flow of fuel to the injectors. Unused
fuel is returned to the fuel tank.
