OM673L2 08/05
8
control Panels
Figure 7:
Series 7.1 through Series 7.6 Generator
Control Panels.
Figure 8:
Status Indicators for Series 7.3 through
Series 7.6 Generator Control Panels.
1. ShUTdOWN byPASS SWITch
Manual Start Panels
(S-7.0 and S-7.3)
Hold the switch in the on position for approximately
10 to 20 seconds before starting a cold engine.
Holding the switch on for too long can burn out the
glow plugs. To start the engine the bypass switch
must be held on while moving the engine control
switch into the start position. As soon as the engine
starts release both switches.
Auto Start Panels
(S-7.2, S-7.4, S-7.5, and S-7.6)
When the switch is in the auto start position, the unit
will start upon closure of auxillary contacts. Moving
the switch to the manual position will start the engine
and it will run after the control timers have completed
their sequence.
2. OIL PRESSURE gAUgE
Shows the oil pressure in the engine lubricating system.
3. hOUR METER
Keeps track of engine running time.
4. ENgINE TEMPERATURE gAUgE
Registers the temperature of the coolant.
5. d.c. vOLTMETER
When the engine is running, the voltmeter indicates the
voltage output of the alternator.
6. STATUS INdIcATOR PANEL
Engine monitoring alarms and lamps for monitoring
engine functions.
7. ALARM LAMP TEST ANd RESET bUTTON
Press UP to test the indicator lights and press DOWN
to reset the alarm.
8. A.c. vOLTAgE AdJUSTMENT RhEOSTAT
Voltage has been set at the factory and should only be
adjusted by factory-trained personnel.
9. AMMETER SELEcTOR SWITch
Used to check each phase for load condition.
NOTE: Always leave this switch in the ON position
while the unit is running.
10. fREQUENcy METER (hERTz)
The frequency meter indicates alternator current
frequency: 60 Hz (1200 or 1800 RPM), or 50 Hz (1500
RPM).
11. A.c. vOLTMETER
Shows the generator output voltage.
12. A.c. AMMETER
Shows the generator load on each phase. The phase is
selected with the Ammeter Selector switch (
Item 9
).
