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TM 10-4320-348-14
(2)
Diesel engine lubrication system.
(a)
The engine incorporates an internal sump and oil pump.
(b)
An oil dipstick is mounted on the engine and protrudes through the sound enclosure front panel
assembly.
(c)
When the oil requires changing, the oil can be drained from outside of the pump assembly by
removing a drain plug on the sound enclosure front panel assembly.
(3)
Diesel engine air intake system.
(a)
An air cleaner (2), with an operator replaceable filter element is mounted on the engine. The air
cleaner is accessible through the access door in the sound enclosure cover.
(b)
Mounted horizontally on the air cleaner is an air restriction indicator (3) that provides the operator with
positive indication of the need to change the filter element. A detailed description of this indicator is
provided in Chapter 2.
(4)
Diesel engine exhaust system.
(a)
Engine exhaust is ported out of the cylinder by an internal exhaust valve.
(b)
The exhaust travels through an exhaust pipe (4) to the exhaust silencer (5) where the exhaust gases
are muffled and cooled.
(c)
Exhaust gases exit the silencer and exit the pump assembly through the spark arrestor that protrudes
through the sound enclosure rear panel assembly. The spark arrestor and the exiting exhaust gases
are hot and represent a possible burn hazard to operation and maintenance personnel.
(5)
Diesel engine starting system.
(a)
A recoil starter (6) is mounted to the engine and the recoil starter handle and rope protrudes through
the sound enclosure front panel assembly.
(b)
A decompression lever (7) is opened to ease the effort required during engine starting. After the first
compression stroke of the engine the lever automatically closes.
(c)
A rubber plug (8) in the valve cover allows the operator to place a small amount of oil directly into the
valve cover during cold weather starting.
(6)
Diesel engine attaching points and electrical grounding.
(a)
The diesel engine provides mounting surfaces for the centrifugal pump and the engines output shaft
(9) is keyed and coupled to the pump’s impeller shaft.
(b)
In turn, the engine has foot mounts (10) which are attached to the engine base plate which is attached
to the pump frame with rubberized shock mounts.
(c)
To prevent the buildup and discharge of static electricity during the pumping operation, the diesel
engine and the centrifugal pump are electrically grounded to the frame by a ground strap.
(d)
During operation of the pumping assembly, the pump frame must be attached to a properly installed
ground rod.
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