Keeping your Allmand NLV3GR in peak operating condition starts with the right parts and a solid maintenance routine. Ensure your light tower stays in top shape with high-quality oil filters, swivels, pumps, and more. The NLV3GR features a robust diesel engine, high-output LED lighting, and the DSE L401 MKII controller for automated light scheduling, making it perfect for construction sites, emergency response, and industrial lighting. Don’t forget to stay on top of your maintenance—secure the parts you need to keep your Allmand NLV3GR running smoothly!

Walk-Around Inspection

• Inspect light tower mast and cables for visible wear or fraying
• Check that overhead clearance is available before raising the mast
• Inspect fluid levels: engine oil, coolant, diesel fuel, and DEF (if equipped)
• Verify battery terminals are clean and securely connected
• Check for fuel, coolant, or oil leaks around engine and hydraulics
• Ensure safety decals, reflectors, and covers are in place and legible

Daily Maintenance

• Check and top off engine oil and coolant levels
• Drain water separator from the fuel system
• Inspect radiator and intake screens for debris
• Test emergency stop, auto mode, and manual start functionality
• Inspect all lighting heads for functionality and secure mounting

Every 250 Hours

• Inspect and clean air cleaner restriction indicator
• Check radiator fins and fuel system for sediment or clogging
• Test control panel for display accuracy and button responsiveness

Every 500 Hours

• Change engine oil and oil filter
• Replace primary and secondary fuel filters
• Clean battery terminals and secure cables

Every 1,000 Hours

• Inspect and adjust drive belts and pulleys
• Inspect exhaust and muffler system for leaks or loose fittings
• Verify mast winch operation and cable condition

Every 2,000 Hours

• Replace coolant according to engine manufacturer schedule
• Replace air cleaner element and inspect housing
• Check all controller connections and electrical relays

Annual Maintenance

• Test light scheduling via DSE controller (start time, duration, sunrise/sunset modes)
• Lubricate mast pulleys, hinge points, and winch cable if applicable
• Inspect all LED fixtures and replace damaged lenses or mounts

As-Needed Maintenance

• Use controller to identify SPN/FMI diagnostic codes
• Clear fault codes using Stop/Reset button on controller
• Replace worn belts, cracked hoses, or malfunctioning switches
• Update firmware if controller version is outdated

Final Maintenance Recommendations

Regular maintenance keeps your Allmand NLV3GR operating safely and efficiently. For a full range of Allmand parts, explore our extensive EquipmentShare parts catalog. If you can’t find the part you need, reach out to our parts experts for a custom order.