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 TM 55-1905-221-14-1
(1) Engine tachometers. Four tachometers are included in the panel, one tachometer for each of the four
engines. Engine speeds are indicated in revolutions per minute.
(2) Alternator ammeters. A separate ammeter is provided for each of the two alternators. The ammeters
indicate the alternator output. The scale reads from 0to 100-amperes.
(3) Battery charge ammeter. This ammeter indicates battery charge rate and discharge rate in amperes. The
scale reads from 0to 200-charge and 0to 200-discharge.
(4) Engine water temperature gages. A separate temperature gage for each of the four engines is mounted on
the panel. The gages indicate the temperature of the coolant being circulated through the engine.
(5) Transmission oil pressure gage. The control panel contains a separate gage for each of the two propulsion
units.
(6) Engine oil pressure gages. There are four oil pressure gages, one for each of the four engines.
(7) Starting system hydraulic pressure gage. The gage (20, fig. 2-1) indicates the pressure available for starting
inboard engines.
(8) Ramp hoist hydraulic system pressure gage (18, fig. 2-1). When a ramp hoist pump is operating, the gage
indicates the pressure in the system.
(9) Steering hydraulic pressure gage (17, fig. 2-1). This gage indicates the pressure available in the steering
hydraulic system to operate the rudders.
(10) Rudder angle indicator. The indicator will show the position of the rudders. It is connected to a sender
located in the lazarette at the port side rudder post.
(11) Sight glass, steering system 3 gallon expansion tank, (fig. 2-3). Tank is mounted aft in the pilothouse. Oil
level in the tank should be within one inch of the red center line of the sight glass.
c. Engine Room Controls.
(1) The engine throttle controls (1 and 2, fig. 2-4) are separate throtte controls for each engine and are
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mounted at the rear of the propulsion unit.
2-6
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