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MLT25 SERIES LIGHT TOWER • OPERATION MANUAL — REV. #0 (11/28/12) — PAGE 21
2. Move the Voltage Selector (Figure 9) to the desired
position.
Figure 9. Voltage Selector Positions
3. Adjust the Voltage Regulator Knob to the corresponding
voltage noted in Table 3. Check the AC voltmeter for
the correct reading. See Figure 10.
Figure 10. Voltage Regulator Knob and AC
Voltmeter
4. Switch the appropriate circuit breakers to the ON
position for the lamps (Figure 11) that you want to
turn on (in the selected Voltage Selector setting), as
detailed in Table 3.
3 PHASE
240/139
1 PHASE
240/120
3 PHASE
480/277
PRESS TO LOCK
DECREASE
INCREASE
AC Voltmeter
Voltage Regulator
OPERATION
Figure 11. Lamp Orientation
5. When the lamps turn on, check the AC voltmeter
reading and adjust the Voltage Regulator knob, if
necessary, to correct the voltage.
6. If any of the lamps do not turn on as they should, refer
to the troubleshooting section of this manual.
7. Close all cabinet doors after desired lights are on.
LAMP 1
LAMP 2
LAMP 3
LAMP 4
LAMP 5
LAMP 6
REAR
FRONT
MAST RAISED
NOTICE
NEVER operate the light tower with the engine
compartment doors open. Operation with the doors
open may cause insufficient cooling to the unit, and
damage may result.