This document is the Owner's Manual for the Generac Mobile Light Tower models MLT6SMDS and MLT6SKDS. It provides comprehensive information regarding the unit's introduction, safety, general information, operation, maintenance, troubleshooting, and wiring diagrams.
Function Description:
The Generac Mobile Light Tower is a portable lighting unit designed to provide high-performance, efficient illumination for various applications. It is equipped with a diesel engine, a generator, and a mast with multiple light fixtures. The unit is trailer-mounted, allowing for easy transport and deployment. It can be used in manual or automatic modes, with options for scheduled operation or dusk-to-dawn sensing. The light tower is designed to be robust and reliable, suitable for demanding environments.
Important Technical Specifications:
Engine:
- Models: MLT6SMDS (Mitsubishi® L3E Tier 4 Final), MLT6SKDS (Kubota® D1005 Tier 4 Final)
- Type: Diesel, liquid-cooled
- Horsepower (Prime): MLT6SMDS: 11.3 hp (8.4 kW); MLT6SKDS: 11.7 hp (8.7 kW)
- Horsepower (Standby): MLT6SMDS: 12.2 hp (9.1 kW); MLT6SKDS: 12.1 hp (9.8 kW)
- Operating Speed: 1,800 rpm
- Displacement: MLT6SMDS: 0.95 L; MLT6SKDS: 1.0 L
- Cylinders: 3
- Fuel Consumption (100% Prime): MLT6SMDS: 0.59 gph (2.2 Lph); MLT6SKDS: 0.58 gph (2.2 Lph)
- Battery: Group 24, 12V (1), 440 CCA
Generator:
- Make (Model): Marathon® (201CSA5423)
- Insulation: F
- Output (Standby): 6.0 kW (6.0 kVA)
- Output Voltage: 120/240 V (1Ø)
- Output Amperes (120V/240V): 50 (25) A
- Frequency: 60 Hz
- Power Factor: 1
- Sound (23 ft @ Prime): 63 dB(A)
Capacities:
- Fuel Tank (Total): 40.8 gal (154.5 L)
- Fuel Tank (Usable): 39.9 gal (151 L)
- Coolant (Including Engine): MLT6SMDS: 4.5 qt (4.3 L); MLT6SKDS: 4.8 qt (4.5 L)
- Oil (Including Filter): MLT6SMDS: 5.0 qt (4.7 L); MLT6SKDS: 5.4 qt (5.1 L)
AC Distribution:
- Circuit Breaker Size: 30 A
- Voltage Regulation: ±6%, capacitor
- Voltages Available (1Ø): 120, 240 V
Lighting:
- Type: Light-emitting diode (LED)
- Driver Rating (Quantity Per Unit): 320 W (4)
- Brightness (Standard Equip.): 172,000 lm
- Brightness (Diffused Lighting, If Equipped): 130,960 lm
Trailer:
- Axle Rating: 2,200 lb (997.9 kg)
- Quantity of Axles: 1
- Hitch: 2 in (51 mm) ball
- Tire Size: 13 in (33 cm)
- Tire Pressure: 50 psi (345)
Unit Weight:
- Dry: MLT6SMDS: 1,310 lb (594 kg); MLT6SKDS: 1,350 lb (612 kg)
- Operating: MLT6SMDS: 1,600 lb (726 kg); MLT6SKDS: 1,620 lb (735 kg)
Unit Dimensions:
- Length (A): 118 in (3 m)
- Height (B) (Stowed): 101 in (2.6 m)
- Height (C) (Raised): 23 ft (7 m)
- Width (D): 57 in (1.5 m)
- Width (E) (Outriggers Extended): 120.5 in (3.1 m)
Usage Features:
- Control Panel: Features a DC circuit breaker, AC GFCI circuit breaker (20A), 10A AC breaker, mast switch (if equipped), 120V/20A GFCI receptacle, 240VAC/30A Twist-Lock receptacle, engine hour meter, main circuit breaker, control power switch, Power Zone Controller (if equipped), mast light circuit breakers, 4-position key switch, light toggle switch, and driver return breaker.
- Power Zone-DLA Controller (If Equipped): An AUTO start controller that monitors the unit, indicates operational status and fault conditions, and can be programmed for automatic start/stop based on time schedule, fault condition, or load demand. It records unit performance history.
- Operator Screens: Liquid Crystal Display (LCD) window shows various operating screens including Home, Mast Operation, Battery Voltage, Lights, Generator, Dusk to Dawn, Scheduler, Maintenance, Alarms, and About screens.
- Mast Operation: Can be raised and lowered manually or electrically (if equipped). Electric winches can be controlled via a mast switch (key switch models) or the Power Zone-DLA controller.
- Light Operation: Lights can be turned ON/OFF via a toggle switch (key switch models) or the Power Zone-DLA controller. The unit can run with all four light fixtures ON.
- Dusk to Dawn Sensor (If Equipped): Automatically starts the engine and turns on lights at dusk, and keeps them illuminated until dawn. Operates in AUTO mode.
- Customer Convenience Receptacles: Provides 120V/20A GFCI and 240VAC/30A Twist-Lock receptacles for auxiliary equipment.
- Automatic Shutdown: Equipped with low oil pressure and high coolant temperature automatic shutdown systems.
- Positive Air Shutdown (PAS) (If Equipped): Automatically stops the engine if an overspeed is detected due to combustible gases. Can be manually triggered and reset.
- Lower Radiator Hose Heater (If Equipped): Prevents engine coolant from freezing in cold weather, typically requiring 2-5 hours of heating before starting.
- Tandem Tow (If Equipped): Allows towing a second MLT6 Light Tower in series.
- Telemetry (If Equipped): Digital option for remote monitoring of fuel level and equipment status via cellular or satellite connection.
- Spark Arrester (If Equipped): Installed on the exhaust, may be required by local codes.
Maintenance Features:
- Daily Walk-Around Inspection: Recommended daily inspection for leaks, blocked vents, loose hardware, electrical connections, fan belt condition, and winch cable condition.
- Basic Maintenance Schedule: Detailed schedule for daily, first 50 hours, every 750/500 hours, every 1,000/750 hours, and as required maintenance tasks for both Mitsubishi and Kubota engines, including oil, coolant, fuel, tire pressure, wheel bearings, electrical connections, radiator fins, winch, fan belt, load bank resistor, fuel filter, air filter, battery, leveling jacks, and fuel system.
- Cleaning the Unit: Instructions for cleaning the unit using soft rags and low-pressure compressed air, with warnings against high-pressure washing.
- Inspecting the Unit: Checks for water inside the cabinet, electrical cord condition, winch cable condition, wheel lug tightness, coolant level, and oil level.
- Resetting Maintenance Alarms (If Equipped): Procedure to reset maintenance reminders on the Power Zone-DLA controller after servicing.
- Manual Winch Maintenance: Annual lubrication of gears, bushings, and ratchet pawl pivot point.
- Electric Winch Maintenance: Keeping the winch free of dirt, checking mounting bolts, inspecting connections, inspecting cable for damage, checking brake for slippage, cleaning and greasing brake assembly, and inspecting motor brushes.
- Trailer Wheel Bearings: Lubrication every 12 months or 12,000 miles using a Zerk grease fitting.
- Jack Maintenance: Daily inspection for damage and debris.
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