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 (8) Cylinder relief lever (8). This lever is
handwheel, turning this control counterclockwise
increases engine speed. Turning it clockwise decreases
located on port side of engine aft of the astern/ ahead
engine speed.
handwheel. Depressing the plunger on the end of lever,
(6) Astern/ahead handwheel (6).
This
then moving lever from 11 o'clock to 1 o'clock opens the
cylinder relief valves on all cylinders and releases
handwheel starts, stops, and changes the direction of
compression from cylinders.
rotation of the engine. It is located on port side of the
(9) Thermometers (9). The thermometers are
engine aft of the throttle control handwheel. With
handwheel at STOP, moving it clockwise past ASTERN
located on port side of engine alongside each bearing
to START position starts the engine turning in that
access plate, and indicates temperature of oil returning
direction. After engine is turning over, move handwheel
from that piston.
back to ASTERN and it continues to move in the run
(10) Fuel shutoff reset lever (10). This lever is
position (ASTERN).
Moving the handwheel
on port side of engine just ahead of the throttle
counterclockwise from ASTERN to STOP position stops
handwheel. Its purpose is to reset the emergency fuel
the engine.
shutoff after it has been manually tripped.
(11) Emergency fuel shutoff (11). This control
NOTE
is located on engines port side, on the front of the
overspeed governor. Pressing the button cuts off all
The flywheel airbrake assists in
fuel to the engine in any emergency.
bringing engine to a quick stop.
(12) Fuel filter selection lever (12).
This
Moving handwheel counterclockwise
control is part of the fuel filter manifold and cover
past AHEAD To START position
assembly, and is located on port side of engine, forward
starts the engine turning in that
of the governor. Positioning lever horizontally in front
direction.
When the engine is
of the desired filter opens valve in fuel line from the
turning over, move handwheel
selected filter. It closes valve in line from remaining
clockwise to AHEAD position and the
filter, allowing service to be performed on the filter not in
engine will continue to move in the
use.
run position (AHEAD).
f. Auxiliary Set Engine Controls and Instruments.
(1) Panel light switch (5, fig. 2-4). Located on
(7) Airbrake pressure gage (7). This gage is
the engine instrument panel, this switch turns panel light
located above astern/ahead handwheel and indicates
ON or OFF.
the air pressure available to the flywheel airbrake.
2-6
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