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TM 10-4320-311-14
2-2. Operator's Controls and Indicators.
Key
Internal Control or Indicator (See Figure 2-1)
Function
1
Air cleaner restriction Indicator
Indicates blockage of air cleaner element. A red
band appears in window to indicate the need for
replacement of the air cleaner element. The Indica-
tor Is threaded into the air cleaner housing and Is
activated by high negative pressure. Indicator can
be reset.
2
Decompression lever
Controls engine compression when starting (the
engine turns over easier when starting). Lever is
depressed for starting and returns automatically on
the next piston compression cycle.
3
Fuel cock
Shutoff valve for diesel fuel.
4
Fuel gauge pipe
Sight gauge for diesel fuel level in fuel tank.
5
Cold weather plug
The engine is equipped with a rubber plug in the
rocker arm cover to facilitate the addition of a few
drops of oil, which aid in cold weather starting.
Key
External Control or Indicator (See Figure 2-2)
Function
1
Speed control
Controls engine speed. When positioned in the
START position (fully outward) the engine operates
at highest speed. By moving lever between START
(fully outward) and STOP (fully inward) positions, the
desired operating speed can be obtained.
2
Oil dipstick/filler port
Indicates lube oil level in crankcase. Filler port for oil
fill/change and adding oil.
3
Lube oil drain plug
Provides external fitting to allow draining engine lube
oil.
4
Pump fluid drain cock
Provides external fitting to allow draining pump fluid
5
Recoil starter
Recoil starting handle and pull rope with automatic
recoil for starting engine
6
Heater control - oil
Two-position [ON (up)/OFF (down)] switch for con-
trolling operation of crankcase oil heater element.
7
Indicator lamp
Illuminated when oil heater control switch (6) is in the
ON (up) position.
8
Circuit breaker
In the event of an overloaded circuit, push the button
to reset the oil heater circuit.
2-3
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