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OM-2084 / Operation and Maintenance Manual
90CU24 / Series 500392 Generator Sets
Section 3. Operation
General
1.
This section contains information and instructions for the safe and efficient operation of the equipment.
Operating instructions are presented in step-by-step sequence of procedures to be followed in
supplying 400-Hz power.
NOTE: Read ALL of the Operating Instructions before attempting to operate the equipment.
WARNING
Operating the Unit
2.
a. Pre-start inspection
(1) Be sure the fuel shutoff valve on the unit is open.
(2) Ensure 12-V DC power is available to the engine starting system.
(3) Check the engine and generator compartments to make certain they are free of rags or other
foreign materials.
(4) Make certain there is sufficient lubricating oil and coolant in the engine.
(5) Check that all circuit breakers are reset.
b. Normal Engine Starting Procedures
Engine starting procedures are outlined below. Engine operating controls and monitoring
instruments are illustrated in Fig. 1.
CAUTION
NOTE: The Cummins Operation Manual is provided with this Hobart manual (OM-2084) .
(1) If illumination is required, press lamps push-button switch (28) one time. Pressing this button
switch also activates the fuel gage. (1, Fig. 1).
(2) Press the green engine start push-button switch (26) and hold until engine starts. The engine
will start at IDLE speed, and the green light in the engine start push-button switch will flash to
indicate that power is available to the engine protective circuit and electric governor.
CAUTION
November 27, 1997
Ear protection equipment may be necessary when working close to this
equipment.
Refer to Operating Instructions in the Cummins Operation Manual, when starting
engine for the first time.
Do not attempt to bring to rated speed for at least 5 seconds after engine
starts. Damage to the starter and flywheel will result.
Chapter 1-3
Page 1
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Troubleshooting
