Magnum Power Products LLC, or can be found at www.m-p-llc.com.The information contained in this manual was based on machines in production at the time of publication. Magnum Power Products LLC reserves the right to change any portion of this information without notice.
SAFETY NOTES This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. This manual contains DANGERS, WARNINGS, CAUTIONS, NOTICES and NOTES which must be followed to prevent the possibility of improper service, damage to the equipment, personal injury or death.
• ALWAYS extend the outriggers and level the unit before raising the mast. DO NOT retract the outriggers while the mast is up. • If for any reason any part of the mast hangs up or the winch cable develops slack while raising or lowering the mast, STOP immediately and contact an authorized service representative.
SERVICE SAFETY This unit uses high voltage circuits capable of causing serious injury or death. Only a qualified electrician should troubleshoot or repair electrical problems occurring in this equipment. • Before servicing, make sure the Engine Start switch is turned to OFF, circuit breakers are open (off) and the negative terminal on the battery is disconnected.
REPORTING TRAILER SAFETY DEFECTS If you believe your trailer has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in addition to notifying Magnum Power Products LLC.
SAFETY SYMBOL SUMMARY This equipment has been supplied with numerous safety and operating decals. These decals provide important operating instructions and warn of dangers and hazards. Replace any missing or hard-to-read decals and use care when washing or cleaning the unit. Decal placement and part numbers can be found in the parts manual. Below is a summary of the intended meanings for the symbols used on the decals.
UNIT DIMENSIONS 00214 MLT4150MV, 115 in 107 in 25 ft 68 in 140 in MLT4200IV, (2.92 m) (2.71 m) (7.6 m) (1.73 m) (3.56 m) MLT4200IVCAN Specifications are subject to change without notice.
RATING FOR ELECTRICAL ® EQUIPMENT ONLY. TIRE AND LOADING INFORMATION POUR MATERIAL ELECTRIQUE SEULEMENT. MANUFACTURED BY/FABRIQUE PAR: Magnum Power Products LLC DATE: 00/0000 GVWR/PNBV: 000KG (0000LBS) COLD INF. PRESS./ RENSEIGNEMENTS SUR LES PRESS. DE PNEUS ET LE CHARGEMENT...
COMPONENT LOCATIONS Emergency Central Stop Switch Lift Point Control Engine Exhaust Mast Switch Battery Forklift Pockets LEFT SIDE Radiator Access Mast Rotation Knob Engine Fuel Fill Access Outriggers RIGHT SIDE 00110...
LIGHT TOWER SET UP 1. For maximum light coverage, locate the unit at ground level or in a spot higher than the area being illuminated by the lamps. WARNING The mast extends up to 25 ft (7.6 m). Make sure area above the unit is open and clear of overhead wires and obstructions.
RAISING THE MAST 1. Set up and level the unit. Refer to “Light Tower Set Up” on page WARNING The unit must be leveled with the outriggers extended before raising the mast. The outriggers must remain extended while the mast is up. Failure to level the unit or extend the outriggers will severely reduce stability and could allow the unit to tip...
MAIN CONTROL PANEL BALLAST INDICATOR LIGHTS MAIN BREAKER 240V TURN MAIN BREAKER LIGHT SWITCHES GLOW PLUG INDICATOR GLOW PLUG START BREAKER NEUTRAL BONDED TO FRAME 00167 1. CIRCUIT BREAKER INDICATOR LIGHT: This light indicates that the main circuit breaker must be opened (switched off) before starting the engine.
PRESTART CHECKLIST Before starting the unit, all items in the prestart checklist must be completed. Read and understand ALL safety sections at the beginning of this manual. Ensure all maintenance procedures are up to date. For more information, refer to “General Maintenance”...
“START” position and hold it until the engine cranks and starts running. Release the key, it will move to the “RUN” position. Note: For cold weather conditions, refer to the engine operator’s manual for appropriate glow plug interval. ACTIVATE GLOW PLUGS CRANK ENGINE TO START RELEASE KEY GLOW...
Units are equipped with an electronic voltage regulator. The voltage regulator controls the output of the generator by regulating the current into the exciter field. The voltage regulator is adjusted before shipment from the factory. Contact Magnum Power Products LLC for additional information before attempting to adjust the voltage regulator. DERATING FOR ALTITUDE All units are subject to derating for altitude and temperature;...
Note: If the generator is not operational, and the batteries do not have enough power to lower the mast, it may be necessary to lower the mast manually. Note: Magnum Power Products LLC strongly recommends that the lights be removed from the mast and stowed for transportation. Refer to...
MANUALLY LOWERING THE MAST Do not use this procedure unless it is absolutely necessary. Continuous use of this procedure could damage the planetary gear brake of the winch. This procedure will not work if the planetary gear brake is damaged. 1.
4. To ensure proper operation of the jacks, lube the grease fittings located on the leveling jacks. Refer to “Jack Maintenance” on page 26. For maintenance interval information, refer to Basic Maintenance Schedules beginning page 24. 5. Connect any trailer wiring to the tow vehicle. Check for proper operation of the stop and signal lights. 6.
GENERAL MAINTENANCE Poorly maintained equipment can become a safety hazard. In order for the equipment to operate safely and properly over a long period of time, periodic maintenance and occasional repairs are necessary. NEVER perform routine service (oil/filter changes, cleaning, etc.) unless all electrical components are shut off. Before servicing the unit, always follow the instructions listed below.
BASIC MAINTENANCE SCHEDULE - MITSUBISHI ENGINE Refer to the original equipment manufacturer’s operating manual for a complete list of maintenance requirements. Failure to comply with the procedures as described in the engine operator’s manual will nullify the warranty, decrease performance and cause equipment damage or premature equipment failure.
BASIC MAINTENANCE SCHEDULE - ISUZU ENGINE Refer to the original equipment manufacturer’s operating manual for a complete list of maintenance requirements. Failure to comply with the procedures as described in the engine operator’s manual will nullify the warranty, decrease performance and cause equipment damage or premature equipment failure.
WINCH USE, OPERATION & MAINTENANCE • Keep winch free of dirt, oil, grease, water and other substances. • Check all mounting bolts and make sure they are tightened to the recommended torque values. Replace any damaged fasteners. • Periodically check all connections to be sure they are tight and free of corrosion. •...
TOP-WIND MODELS • Apply a lightweight oil to the screw stem. Grease Grease Grease 00243 TRAILER WHEEL BEARINGS The trailer axles are equipped with a grease zerk fitting to allow lubrication of the wheel bearings without the need to disassemble the axle hub. To lubricate the axle bearings, remove the small rubber plug on the grease cap, attach a standard grease gun fitting to the grease zerk fitting and pump grease into the fitting until new grease is visible around the nozzle of the grease gun.
If proper voltage is not achieved, perform capacitor check to determine if the capacitor or coil needs to be replaced. If problems persist, contact Magnum Power Products LLC Technical Service at 1-800-926-9768 for assistance.
DC WIRING DIAGRAM - ELECTRIC WINCH WINCH SWITCH 1 TO B+ OF DOWN KEY SWITCH CONTACTOR 1 DOWN PROX. RELAY PROX. RELAY VI/YL BATTERY DOWN PROX. SWITCH 1 PROX. SWITCH 2 90443_F_07.29.13...
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