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)
- Prestart Checklist
- Starting Unit—Analog Controls
- Starting Unit—Power Zone Controls (MANUAL Mode)
- Starting Unit—Power Zone Controls (AUTO Mode)
- Operating Lights—Analog Controls
- Operating Lights—Power Zone Controls (MANUAL Mode)
- Operating Lights—Power Zone Controls (AUTO Mode)
- Shutting Down Unit—Analog Controls
- Shutting Down Unit—Power Zone Controls (MANUAL Mode)
- Shutting Down Unit—Power Zone Controls (AUTO Mode)
- Automatic Shutdown
- Starting Utility Mode (If Equipped)—Analog Controls
- Starting Utility Mode (If Equipped—Power Zone Controls
- Stopping Utility Mode (If Equipped)—Analog Controls
- Stopping Utility Mode (If Equipped)—Power Zone Controls
- Dusk-to-Dawn Sensor (If Equipped)
- Customer Convenience Receptacles (If Equipped)
- Removing Loads from Receptacles (If Equipped)
- Storing the Unit
- Lowering the Mast—Manual Winch
- Lowering the Mast—Electric Winch (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
Owner’s Manual for Mobile Light Tower 21
General Information
About UTILITY Mode (If
Equipped)
Units equipped with UTILITY mode can provide lighting
and 120 V power without running the genset.
Requirements for UTILITY mode are:
• Utility power supply
• 240 V, four-terminal cord
NOTE: In UTILITY mode, the engine does start.
About SLEEP Mode (If Equipped)
Units equipped with Power Zone controls are also
equipped with SLEEP mode.
• If controller power is ON, the unit is not running,
and no button is pressed for 180 seconds, the
controller enters SLEEP mode.
• To wake unit from SLEEP mode, press any button.
Engine Derating
All units are subject to derating for altitude and
temperature. Derating reduces the available power for
operating tools and accessories connected to the
receptacles. For every increase in 1,000 ft (305 m) of
elevation, engine performance for this unit typically drops
between 2–4%. Also, engine performance decreases
about 1% for every 10 °F (5.6 ºC) increase in ambient air
temperature over 72 ºF (22 ºC).