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Operation
2. See
Figure
3-9. Switch the main circuit breaker (A)
ON (I).
A
Figure 3-9. Light Switches and Breaker
3. Switch the individual circuit breakers for the lights
(B) ON (I), one at a time.
NOTE: If an indicator light does not turn on, see
Troubleshooting
or contact a GMP ASD.
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
10 minutes before they can be switched on again.
NOTE: The light tower uses four 1000W, 1050W, or
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.
NOTE: Parts for different watt lights are not compatible
with each other.
Light Operation (with PowerZone
Controller, If Equipped)
WARNING
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.
See
Figure
3-10. The lights are turned on and off using
the PowerZone–DLA. To view the light screen, press the
↑ button three times from the Home screen.
30
B
003991
NOTE: The lights can only be turned on and off while the
unit is running in MANUAL mode. They operate automat-
ically in AUTO mode.
1. Once the engine is up to temperature and running
smoothly, switch the main circuit breaker ON (I).
2. To turn the light(s) ON, press the Select () button.
To turn the light(s) OFF, press the Select ()
button.
Engine Derating
All units are subject to derating for altitude and tempera-
ture. Derating reduces the available power for operating
tools and accessories connected to the outlets. For every
increase in 1,000 ft (305 m) of elevation, engine perfor-
mance for this unit typically drops between 2–4%. Engine
performance decreases approximately 1% for every 10
ºF (5.6 ºC) increase in ambient air temperature over 72
ºF (22 ºC).
Wet Stacking
(000278)
The unit is powered by a diesel engine. Diesel engines
are subject to "wet stacking" if lightly loaded. Wet stack-
ing occurs when an engine is run at less than 30% of its
full load capacity, causing unburned fuel to accumulate in
the exhaust system. Wet stacking can be detected by
continuous black exhaust when the unit is under a con-
stant load. It can also cause fouling of injectors and
buildup on engine valves. Diesel engines operate prop-
erly when applied loads are between 30–100% capacity.
Appropriate generator sizing is determined by the antici-
pated load. If the unit is in a wet stack condition, load the
unit heavily for five hours or until the exhaust is clear.
Figure 3-10. Lights Screen
Owner's Manual for MLT6SC Light Tower
002383
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Table of Contents
Troubleshooting
