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TM 55-1905-221-14-1
(2) A separate neutral throttle control for. each engne or each propulsion unit is located on the pilothouse
i
control panel. These controls are provided for regulation of the idle speed or for controlling engine speed when the ramp
is to be lowered or raised. See the neutral throttle control 3, fig. 2-1.
(3) The starting aid controls have a separate primer control mounted on each engine, and are to be used for cold
weather starting.
(4) The engine control levers (26, fig. 2-1) on hull have single levers for each propulsion unit. These levers
control both the clutches and throttle in proper sequence.
(5) The horn button (4, fig. 2-1) is used to sound the horn. (6) The steering wheel (24, fig. 2-1), is used to
change the course of the craft. The steering is hydraulic powered. If the steering pumps should fail, the helm unit acts
as a hand pump when the wheel is turned.
(7) The ramp hoist control valve lever (25, fig. 2-1), is used to control operation of the hydraulic powered ramp
winch.
2-4
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