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Operation
4. See
Figure
3-6. Release the key, it will move to the
RUN position.
GLOW
PLUG
Figure 3-6. Release Key
5. Allow the engine to reach normal operating
temperature before switching on any loads.
Automatic Shutdown
This unit is equipped with a low oil pressure and high
coolant temperature automatic shutdown system. This
system will automatically shut off the fuel supply to stop
the engine if oil pressure drops too low or the engine
exceeds normal operating temperature. Return the main
circuit breaker to the OFF position to reset the unit after
the cause of shutdown has been determined.
Light Operation
WARNING
Burn hazard. Never operate lights with a
damaged or missing lens cover. Lamps are
hot and pressurized while in use. Unprotected
lamps can shatter, causing severe injury.
1. Verify unit is on and running smoothly.
2. See
Figure
3-7. Switch main circuit breaker (A) ON
(I).
MAIN
BREAKER
240V
ON
ON
TURN
MAIN
BREAKER
OFF
120V
BREAKER
A
120V
NEUTRAL BONDED TO FRAME
Figure 3-7. Light Switches and Breaker
18
OFF
RUN
START
003794
(000277)
BALLAST INDICATOR LIGHTS
C
I
I
I
I
ON
ON
ON
ON
O
O
O
O
MAST LIGHT SWITCHES
400W
400W
Flagger Station Switches
OFF
GLOW PLUG
GLOW
RUN
INDICATOR
PLUG
START
B
240V
BREAKER
004548
3. Switch the individual circuit breakers for the lights
(B) ON (I), one at a time.
4. The ballast indicator lights (C) will turn on and
continue to get brighter as the lights warm up, and
then remain on. This confirms power is coming
from the ballasts to the light.
NOTE: If an indicator light does not turn on, see
Troubleshooting
Authorized Service Dealer.
NOTE: The lights require a warm up period of 5-15
minutes before they reach full output. If the lights are shut
down, they require a cool down period of approximately
ten minutes before they can be switched on again.
NOTE: The light tower uses four 1100W bulbs. When
checking or replacing the bulbs, wipe them with a clean
cloth to avoid leaving any grease, oil residue or
fingerprints on the glass. Any residue can create a hot
spot on the bulb, causing premature bulb failure.
Burn hazard. Lamps become extremely hot
while in use. Allow 10–15 minutes for cooling
before handling or lowering mast. Touching a
hot lens or fixture can cause severe burns.
Auxiliary Outlets
See
Figure
3-8. The control panel is equipped with one
or two 120V GFCI (A) and 240V Twist-lock (B) outlets for
running accessories or tools from the generator. Power is
supplied to the receptacles any time the engine is
running and the main circuit breaker and the receptacle
circuit breakers are switched to the ON (I) position.
NOTE: Do not pull more than 1000W from each outlet
when the lights are on. This will overload the generator
and cause the main circuit breaker to trip. Should the
breaker trip, switch off the lights, remove some of the
load to the outlets and wait 10 minutes for the bulbs to
cool before turning them back on.
With all of the lights off, the full generator output may be
used with the optional 240V twist-lock receptacle.
A
DC
Figure 3-8. Auxiliary Outlets
or contact a Generac Mobile Products
WARNING
BREAKER
BREAKER
B
240V
BREAKER
I
120V
O
240V
NEUTRAL BONDED TO FRAME
Owner's Manual for MLT Light Tower
(000278)
004478
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Table of Contents
Troubleshooting
