TM 55-1930-203-10
Section III. OPERATING PROCEDURES
2-28. Preparation Before Starting Engines
WARNING
To minimize explosion possibilities, ensure that no fuel or oil has been spilled in the compartments of
the hull. AR compartments must be opened and thoroughly ventilated before and after operation.
Before starting the engines, perform the daily preventive maintenance services described in paragraph 3-4, and complete the
following:
a. Set the brakes by
depressing the brake pedal (29, sheet 3,
fig. 2-1) and placing the dog of
locking device (15, sheet 1)
over the
toe end of the brake pedal.
b. Open main air supply valves (fig. 2-12) above each air tank.
c. Open airbrake shutoff valves (1, fig. 2-2) at
each aft miter box.
d. Open tire air shutoff valves (2) to each wheel.
e. Place all controls in neutral position.
TS015521
Figure 2-12. Main air supply valve.
2-29. Starting Engines
WARNING
Before starting the engines, make sure that no one is in the machinery wells. When starting on land,
station a man outside and aft of the LARC to make sure no one is in the propeller tunnels. Before
starting, sound the horn as a signal that the engines are about to be started. Allow at least 30 seconds
for personnel to get clear before proceeding.
a.
General. Eight starter buttons are used in
the LARC engine starting system. Four of
the starter buttons (1, sheet 1,
fig. 2-1)
are located on the cab instrument panel to facilitate remote starting by the operator. The starter buttons for the port engines are on
the port side of the instrument panel. For the starboard engines, they are on the starboard side. A starter button (2, fig. 2-13) is also
located at each engine for direct starting at the engine. Each engine is equipped with an emergency shutoff lever (4), located on the
engine air inlet housing.
2-24