How to Fix a Diesel Generator That Won’t Start
Short Answer A diesel generator that won’t start is usually caused by battery failure, air in the fuel system, or fuel supply blockage. In most cases, you can identify the issue in under 10 minutes by checking battery voltage, fuel flow, and whether air is trapped in the fuel lines. In our field experience, most […]
Why Is My Diesel Generator Hard to Start?
Short Answer A diesel generator is hard to start mainly due to low cranking speed, fuel delivery problems, or insufficient compression. In real-world projects, the most common causes are weak batteries and air trapped in the fuel system, especially after maintenance or long idle periods. What Causes a Diesel Generator to Be Hard to Start? […]
How to Bleed Air from a Diesel Generator Fuel System
Short Answer Air must be removed from a diesel generator fuel system by manually priming the fuel pump and releasing trapped air through bleed screws until a steady, bubble-free fuel flow is achieved. If the generator still cannot start after bleeding, the issue is usually not just air – it is often caused by fuel […]
What Are the Symptoms of Air in a Diesel Generator Fuel System?
Short Answer: Air in a diesel generator fuel system causes hard starting, stalling after startup, unstable RPM, power loss under load, and white smoke. In our field experience, this usually happens after fuel filter replacement, running out of fuel, or air leaks in fuel lines. If not resolved, it can lead to injector damage or […]
What Happens If Air Gets Into a Diesel Generator Fuel System?
Short Answer: Air in a diesel generator fuel system will cause no start, hard starting, power loss, or sudden shutdown because it prevents the fuel system from building injection pressure. This condition is commonly known as an air lock in a diesel engine, and in our field experience, it almost always happens after running out […]
Why Won’t a Diesel Generator Start After Fuel Filter Change?
Short Answer A diesel generator usually won’t start after a fuel filter change because air has entered the fuel system. The most common causes are: Air trapped in the fuel lines (most common) Fuel system not properly primed Incorrect fuel filter installation Air leaks at fuel connections In our field experience, this happens frequently after […]
Why Won’t a Diesel Generator Start After Running Out of Fuel?
Short Answer A diesel generator will not start after running out of fuel because air has entered the fuel system and is blocking proper fuel injection pressure. In most cases, the generator is not damaged — it simply cannot deliver fuel to the injectors until the air is completely removed. In real situations, this usually […]
Load Bank Sizing for Diesel Generators
A properly sized load bank should match the actual test objective, the generator’s rated power, site voltage, power factor, and the step-loading plan. In most diesel generator projects, the best load bank size is not simply “same kW as the generator” or “bigger is safer.” It should be sized to let the generator reach the […]
How to Choose the Right Load Bank for Your Generator
Choosing the right load bank is not just about matching kW ratings. In real projects, incorrect selection often results in incomplete testing, misleading results, and failures that only appear under real operating conditions. From our experience across data centers, industrial plants, and standby systems, most selection errors happen because: The load bank is chosen based […]