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OM-2084 / Operation and Maintenance Manual
90CU24 / Series 500392 Generator Sets
400 Hz. Output Module Panel Assembly, Dual Output 500392-2
9.
The dual output generator set (500392-2) can provide 400 Hz. service on two output cables
simultaneously. To make this possible, certain components are added to single output module panel
(Fig. 9), to make up the Dual Output Module Panel Assembly. These components are identified in Fig
10.
3
1. Load Contactor NO. 2
2. Rectifier, No. 2 Contactor (CR206)
Cold Weather Starting System
10.
This cold weather starting system is used for starting the engine of a generator set engine at very cold
temperatures.
This cold weather starting system is a fully automatic Engine Starting Fluid System designed to spray a
controlled amount of starting fluid into the air intake system of an engine during and immediately after
cranking.
The system's Engine Temperature Sensor (ETS) switch determines when the System should function.
When needed, the solenoid valve is activated automatically during engine cranking. Once activated,
starting fluid is released from the pressurized cylinder, through a flow metering orifice fitting at the
bottom of the valve through the nylon tubing, and out of an injector nozzle located in the engine's air
intake system. A reservoir in the valve maintains a flow of starting fluid after cranking to prevent the
just started engine from faltering or dying.
Whenever the engine does not start within a normal period of cranking, the starting fluid cylinder may
be empty. Refer to "Servicing and Troubleshooting."
Chapter 1-1
Page 20
2
3. Resistor, 100 ohm, 25 watt, No. 2 Contactor
Dual Output Power Module
Figure 10
1
November 27/1997
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Troubleshooting
