Terex AL4000D2 Series User Manual (English)

Questions and Answers:

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Debbie RothAug 21, 2025
What to do if Terex Flood Light engine turns over but will not start?
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  Jodi RiveraAug 21, 2025
  If the Terex Flood Light engine turns over but fails to start, the issue could stem from several causes. First, ensure the fuel tank isn't empty by filling it with #2 diesel fuel. Check for clogged fuel lines or a filter, and clean the fuel system if needed. Leaking fuel lines or loss of prime can also prevent starting, so replace any leaking lines and tighten connections. Additionally, burned-out heater elements or a fuel line solenoid that isn't open can be culprits, requiring their replacement.
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Catherine CarlsonAug 23, 2025
Why is Terex Flood Light engine overheating?
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  patty17Aug 23, 2025
  If the Terex Flood Light engine is overheating, several factors could be responsible. Start by inspecting the front and rear cooling air intakes for any blockages and clear them as needed. Check the coolant levels and replenish with a 50% water/coolant solution if low. Also, inspect the radiator fins for clogs and clear them. Finally, ensure the fan belt is properly tightened.
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Pamela HarmonAug 25, 2025
Why does Terex Flood Light engine run rough?
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  Nichole SalazarAug 26, 2025
  If the Terex Flood Light engine runs rough, there are several potential causes. Begin by inspecting the fuel system for clogs or leaks; replace fuel lines, tighten connections, and inspect both the pickup tube and fuel filter. A clogged exhaust system can also cause rough running, so clear any obstructions. Similarly, check and clear the air filter. For issues such as clogged or stuck fuel injectors, incorrect valve clearances, damaged valve springs, or a defective governor or fuel pump, it's best to have a trained mechanic examine the engine.
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Travis HernandezAug 27, 2025
Why Terex Flood Light engine runs but the lights will not operate?
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  Andrew MendozaAug 27, 2025
  If the Terex Flood Light engine runs but the lights won't operate, there are several potential reasons. First, check if the circuit breakers have tripped and reset them if necessary. Loose connections in the wiring system could also be the cause, so have a trained electrician inspect the ballast box wiring. Additionally, inspect the bulbs and replace them if they are burned out. For issues related to a defective capacitor (in Leroy Somers Generators), a defective AC generator, engine speed being too low, or defective ballast and capacitors, it's recommended to have a trained electrician or mechanic perform an inspection.
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Daniel FreemanAug 27, 2025
How to troubleshoot Terex Flood Light engine that will not turn over?
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  Jennifer RichardAug 28, 2025
  If the Terex Flood Light engine will not turn over, the possible cause is a dead battery. Check the battery voltage or look for loose cables. If the engine has seized due to loss of fluids, have a trained mechanic examine and repair it as needed.
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robertsondawnAug 29, 2025
What to do if Terex Flood Light boom will not rise?
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  frederickrobertAug 29, 2025
  If your Terex Flood Light boom will not rise to the operating position, it could be due to a few reasons. Check if the yoke pin is in place and remove it if it is. If the problem persists, a defective cable or pulley, or a defective winch might be the issue, and it's best to have a trained mechanic examine and repair or replace them as needed.
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Victoria SuttonAug 31, 2025
Why Terex Flood Light boom will not telescope?
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  Frank NewtonAug 31, 2025
  If your Terex Flood Light boom will not telescope, the problem could be due to a defective winch, a broken cable or pulley, or a closed telescope lock pin. For winch or cable/pulley issues, have a trained mechanic examine and replace as needed. If the telescope lock pin is closed, simply open it.
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George HaynesSep 1, 2025
Why Terex Flood Light engine produces a dense smoke?
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  courtney87Sep 1, 2025
  If the Terex Flood Light engine runs but produces a dense smoke, it could be due to a crankcase oil level that is too high; drain the oil to its proper level. Alternatively, low compression could be the cause, in which case you should have a trained mechanic inspect for broken or seized rings and check valve clearances.
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Bonnie AndersenSep 4, 2025
Why Terex Flood Light lamp starts slowly?
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  Carmen ClarkSep 4, 2025
  If the Terex Flood Light lamp starts slowly, meaning the arc does not strike when the switch is first turned on, it could be due to a defective lamp. The lamp may glow for an extended period of time. Replace the lamp after checking the voltage and ballast.
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Lisa KirbySep 6, 2025
Why does Terex Flood Light circuit breaker trips on lamp startup?
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  Lauren JonesSep 6, 2025
  If the Terex Flood Light circuit breaker trips on lamp startup, it indicates a short circuit or ground. Check the wiring against the diagram and inspect for shorts or grounds, fixing as needed.

Terex AL4000D2 Series Specifications

General

Rated Output Power	6 kW
Voltage	120/240 V
Frequency	60 Hz
Fuel Type	Diesel
Number of Lamps	4
Lamp Wattage	1000 W
Lamp Type	Metal Halide
Light Output	440, 000 lumens
Fuel Tank Capacity	30 gallons
Lumens per Lamp	110, 000 lumens
Mast Height	30 ft
Mounting Height	30 ft