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 TM 5-2010-205-14
transfer pump on the front of the injector pump housing. The governor is on the rear of the injection pump housing.
b. The drive gear for the fuel transfer pump is on the front of the camshaft for the injection pumps. The carrier for
the governor weights is bolted to the rear of the camshaft for the injection pumps. The injection pump housing has a
bearing at each end to support the camshaft. The camshaft for the sleeve metering fuel system is driven by the timing
gears at the front of the engine.
c. The injection pumps, lifters and rollers, and the camshaft are all inside the pump housing. The pump housing
and the governor housing are full of fuel at transfer pump pressure (fuel system pressure).
d. The fuel system has governor weights, a thrust collar and two governor springs. One governor spring is for high
idle and the other governor spring is for low idle. Rotation of the shaft for governor control, compression of the governor
springs, movement of connecting linkage in the governor and injection pump housing controls the amount of fuel sent to
the engine cylinders.
e. Fuel from the fuel tank is pulled by the fuel transfer pump through the fuel filter. From the fuel filter the fuel goes
to the housing for fuel injection pumps. The fuel goes into the housing at the top and goes through inside passages to
the fuel transfer pump.
1-16. AIR INLET AND EXHAUST SYSTEM.
a. The air inlet system is on the top side of the engine. The air cleaner goes on an air inlet pipe. The air inlet pipe
sends air to both cylinder heads. The air inlet pipe cannot be turned end for end because the mounting flange for the air
cleaner has a small angle toward the front of the engine.
b. The air inlet manifolds are made as a part of the cylinder heads. The air inlet openings and the design of the
combustion chamber supply the air needed for complete combustion.
c. The exhaust system is on each side of the engine. The exhaust manifolds are along the outside of the cylinder
heads. The exhaust manifold for the right side of the engine will not go on the left side of the engine. The exhaust
manifold for the left side of the engine will not go on the right side of the engine.
1-17. LUBRICATION SYSTEM.
a. The lubrication system uses a six (6) lobe, rotor type oil pump. Bolts hold the cover of the oil pump on the front
cover of the engine. A gear on the crankshaft drives the outer rotor. The outer is supported by a bearing in the front
cover of the engine. The inner rotor is mounted on a short shaft in the front cover of the engine. The inner rotor is
driven by the outer rotor.
1-10
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