Caterpilar 330cl excavator overheating after it worked for few hours but when it run on idel for few minuts it cool down to normal .

Monitor the fuel pressure when this happens.

Could be a bad electrical connection or if the pump is running really hot due to being tight , blocked or mechanical failure, it may be overheating and cutting out. When it cools down, it will try to start again. Check that there is no foreign objects stuck in it such as hair, lint etc.

sorry to have to inform you sounds like a bad motor windings? overheating after 20 minutes then shutting down after cool down about an hour it starts agin. A bad venting problem may have caused it?

you might try a new cap it may be bad

This usually occurs if the motor is overheating and the internal circuit breaker is tripping. After it cools down, it self resets. This can be caused by bad bearings or parts dragging the motor down, making it work hard enough to over heat and trip the breaker. If you are running it on an extension cord or circuit that isn't able to provide it with the amps it needs the motor will overheat and trip the breaker also.

So the car only overheats at idle? How many miles on the car? What fan are you referring to - the heater fan or the cooling fan for the radiator? It sounds like you may have a plugged up radiator. If the engine has high mileage the radiator may have accumulated enough junk over the years to become restricted. Some automotive technicians have a laser that they can use to check the radiator for cool spots, which would indicate internal blockage.

Hi RGH.
1. Fix Internal Cooling. The first and most important thing you need to do when your laptop is overheatingis to clean the fan(s) that provide(s) cooling to the CPU and graphics card. Over time, they build up layers of dust and dirt that slow them down and block airflow.

How to Fix an Overheating Laptop - MakeUseOf.

What can happen to a laptop if it overheats?
A laptop that severely overheats causes damage to the internal components. Before this happens, the laptop should attempt to shut itself down. ... If you smell smoke, a burning odor, the fans never run or the fan runs all the time, be careful to avoid ruining your laptop.

Negative Effects of an Overheated Laptop ' Chron.com.

How can I stop my laptop from overheating while playing games?
Maintain a cool environment.Try keeping your laptop in an air-conditioned or cool area to allow your system to cool down and prevent it from overheating. Consider using a heat sink. Use a steel flat bar as an external heat sink. It works because your computer has to heat up more mass before it overheats.

3 Ways to Keep Your Laptop from Overheating - wikiHow

HOPE THIS HELPS YOU OUT.

Your laptop is overheating, and it is shutting down to prevent it from more damage. I'm sure it is the CPU that is overheating as you mention burning, or using power hungry application will make the cpu to work harder, and increase in temp. There is a tjmax setting on the cpu that limits at a temperature when reach and shut down to prevent it from overheating. You may need to do some cleaning by blowing off the dust on the exhaust port, or even taking your computer apart and reapply your cpu/heatisink with new termal paste. Before this, check if your fan is working, and that your laptop is getting proper airflow from the bottom, you might need to get a usb cooling fan to help cool it down better in the future. I recommend not using this laptop much or long anymore as it will eventually become overheated and damaged.

Is the unit free of dust and debris from dust? If its overheating there are may factors that play in this

1. fan spinning but not enought RPM rotations per min ( not fast enough)
2. room temp
3. dust

other then that some capictors must have exploded inside withc will cause a overheat.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/edwy_1a56970cf1ea4620

no, you have a problem there somewhere, it either is A. a bad timer not advancing, or B some kind of thermostat somewhere that is not getting satisfied. give me the model number and i can look into it.