Product Manual
Table Of Contents
- Section 1: Introduction and Safety
- Section 2: General Information
- Section 3: Operation
- Unit Setup
- Raising the Mast—Manual Winch
- Raising the Mast—Electric Winch (If Equipped)
- Raising the Mast—Power Zone- DLA (If Equipped)
- Prestart Checklist
- Starting the Unit (Key Switch Models)
- Preparing for Start-Up (Power Zone–DLA)
- Manually Starting the Unit
- Light Operation (Key Switch Models)
- Light Operation (Power Zone– DLA) (If Equipped)
- Engine Derating
- Wet Stacking
- Dusk to Dawn Sensor (Power Zone–DLA) (If Equipped)
- Customer Convenience Receptacles
- Shutting Down the Unit
- Shutting Down the Unit (Power Zone–DLA) (If Equipped)
- Lowering the Mast—Manual Winch
- Lowering the Mast—Electric Winch (If Equipped)
- Lowering the Mast—Power Zone- DLA (If Equipped)
- Positive Air Shutdown (PAS) (If Equipped)
- Lower Radiator Hose Heater (If Equipped)
- Tandem Tow (If Equipped)
- Telemetry (If Equipped)
- Spark Arrester (If Equipped)
- Heated Fuel Filter (If Equipped)
- Towing the Unit
- Lifting the Unit
- Tying Down the Unit
- Section 4: Maintenance
- Section 5: Troubleshooting
- Section 6: Wiring Diagrams
- Mast Junction Box Wiring and Light Connections
- AC Wiring—MLT6SKDS
- AC Wiring—MLT6SMDS
- AC Wiring—MLT6SMDS With Power Zone (If Equipped)
- AC Wiring—MLT6SKDS With Power Zone (If Equipped)
- DC Wiring—MLT6SMDS
- DC Wiring—MLT6SMDS With Power Zone (If Equipped)
- DC Wiring—MLT6SKDS
- DC Wiring—MLT6SKDS with Power Zone (If Equipped)
- DC Wiring—Heated Fuel Filter (If Equipped)—MLT6SMDS
- DC Wiring—Heated Fuel Filter (If Equipped)—MLT6SKDS
- DC Wiring—Electric Winch (If Equipped) with Standard Controller
- Trailer Lights
- DC Wiring—Electric Winch with Power Zone Controller (If Equipped)
Owner’s Manual for Mobile Light Tower 25
Operation
Prestart Checklist
Before starting the unit, all items in the prestart checklist
must be completed. This checklist applies to both manual
and remote starting of the unit.
Verify all maintenance procedures are up to date. For
more information, refer to General Maintenance and
Basic Maintenance Schedule.
Perform a walk-around inspection. Refer to Daily
Walk-Around Inspection.
The unit must be level.
The unit must be dry. Inspect for water inside or near
the unit; dry if needed.
For grounding requirements, follow the National
Electrical Code (NEC), state, and local regulations.
Verify the control power switch is OFF (O).
Verify all circuit breakers are OFF (O).
Inspect all electrical cords; repair or replace any that
are cut, worn, or bare.
Verify all winch cables are in good condition and
centered on each pulley. Do not use if cables are
kinked or beginning to unravel.
Check oil, coolant, and fuel levels. For more
information, refer to General Maintenance.
Verify battery connections are secure.
Turn the battery disconnect switch on, if equipped.
Inspect the engine fan belt tension and condition.
Inspect the engine fan belt guard.
Inspect the engine exhaust system for loose or
rusted components.
Verify all covers are in place and secure.
Starting the Unit (Key Switch
Models)
NOTE: If the engine was run out of fuel or the fuel tank
was drained, it may be necessary to purge the fuel lines.
Refer to the engine operator’s manual supplied with the
unit.
1. See Figure 3-6. Verify main circuit breaker and cir-
cuit breaker for lights are OFF (O).
Figure 3-6. Circuit Breakers in OFF (O) Position
2. See Figure 3-7. Turn the key on the Engine Start
switch to the right GLOW PLUG position and hold
the key in place for five seconds (15 seconds
maximum).
Figure 3-7. Activate Glow Plug
IMPORTANT NOTE: Do not hold in the GLOW PLUG
position for more than 15 seconds.
(000100a)
WARNING
Consult Manual. Read and understand manual
completely before using product. Failure to
completely understand manual and product
could result in death or serious injury.
CAUTION
(000230)
Equipment Damage. Do not continuously crank
engine for more than ten seconds. Doing so will lead
to overdischarge of batteries and starter seizure.
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009951