Thanks sir 🔧,I had already checked that filter and I think the problem is with the lift pump, a few months ago the tank was contaminated, the injection pump and injectors were serviced but nothing has been done to the lift pump
Greetings First start overspeed means there is a problem with the fuel line The fuel from filter housing returns back to the fuel tank after some hours , while the generator is standby In this situation before you start the engine please run the prime pump for two minutes and start the engine , if the engine did not overspeed which mean the fuel line gets empty when it is standby for two or three hours Note: if your generator doesn't have an electric fuel prime pump Pump it manually.
Hi dear, We have a Cummins generator, it trips on overspeed alarm, what could be the cause? Fuel SOV relay is okay, starter is okay, we could not figure out where is the problem.
@@northjayhoon9789 every time when we start the gen set trip on over speed, over speed setpoint is 1650, speed probe is healthy, engine trips during cranking
Thank you for your info, Your Genset RPM should be 1500, Your generator voltage 230 volts and 50Hz at 1500 RPM If you don't have any issue with fuel line and injection pump, your engine RPM should remain the same rpm ,even after loading In this case adjust the engine RPM at 1550 and then load the genset see if the engine RPM remain at 1500 if so! your problem solved.
Hello my dear friend, I have a problem with a Caterpillar C18 generator, 500 kilowatts. After the generator is started without load, there is a problem with the speed and voltage stabilizing together, with a humming sound occurring in the generator. It is unstable. Please help me. Many thanks and respect to you.
Greetings Thank you for your enquiry! Can you tell me about RPM and the voltage in your country? If the voltage is 110 v 60Hz the RPM should be 1800 for 220 v 50Hz the RPM should be 1500. First make sure stabilize your engine speed , either there is problem with your fuel line or the injectors are bad . 01 Check the fuel line and the pump pressure . 02 inspect the injectors . If they are all ok Do a compression test make sure you don't have any problem with your engine after inspection when you got all ok the engine speed stabilized , check the voltage if still the voltage fluctuating please check the AVR.
Thanks sir 🔧,I had already checked that filter and I think the problem is with the lift pump, a few months ago the tank was contaminated, the injection pump and injectors were serviced but nothing has been done to the lift pump
Big help for us. Thank you sir 🙏
Most welcome
My FGWilson trip in the First start by overspeed... In the second start no problem... I gona Check my filter of pump. Thanks Mr.
Greetings
First start overspeed means there is a problem with the fuel line
The fuel from filter housing returns back to the fuel tank after some hours , while the generator is standby
In this situation before you start the engine please run the prime pump for two minutes and start the engine , if the engine did not overspeed which mean the fuel line gets empty when it is standby for two or three hours
Note: if your generator doesn't have an electric fuel prime pump
Pump it manually.
Thanks Sir. Please upload more troubleshooting videos.
Will upload soon
Hi dear,
We have a Cummins generator, it trips on overspeed alarm, what could be the cause? Fuel SOV relay is okay, starter is okay, we could not figure out where is the problem.
Greetings !
Could you please give further information ?
Is this Genset overspeed at first start, or any time when you crank it overspeed?
@@northjayhoon9789 every time when we start the gen set trip on over speed, over speed setpoint is 1650, speed probe is healthy, engine trips during cranking
Thank you for your info,
Your Genset RPM should be 1500,
Your generator voltage 230 volts and 50Hz at 1500 RPM
If you don't have any issue with fuel line and injection pump, your engine RPM should remain the same rpm ,even after loading
In this case adjust the engine RPM at 1550 and then load the genset see if the engine RPM remain at 1500 if so! your problem solved.
Hello my dear friend, I have a problem with a Caterpillar C18 generator, 500 kilowatts. After the generator is started without load, there is a problem with the speed and voltage stabilizing together, with a humming sound occurring in the generator. It is unstable. Please help me. Many thanks and respect to you.
Please, can you give me your WhatsApp number so I can send you a video clip of this problem
Greetings
Thank you for your enquiry!
Can you tell me about RPM and the voltage in your country?
If the voltage is 110 v 60Hz the RPM should be 1800 for 220 v 50Hz the RPM should be 1500.
First make sure stabilize your engine speed , either there is problem with your fuel line or the injectors are bad .
01 Check the fuel line and the pump pressure .
02 inspect the injectors .
If they are all ok
Do a compression test make sure you don't have any problem with your engine after inspection when you got all ok the engine speed stabilized , check the voltage if still the voltage fluctuating please check the AVR.
the RPM 50/52/48 And Voltage 400/420/389/380
Speed and voltage are unstable