There are several main reasons for blockage in the hydraulic oil cooler of bulldozers:
1. Foreign objects mixed in the oil.
2. Poor oil quality or prolonged use of oil.
3. The cooling fan of the oil cooler is not working or is not working properly.
4. The structure of the oil cooler itself is unreasonable or damaged.
2、 Solution to blockage of hydraulic oil cooler
1. Clean the oil cooler
After troubleshooting other faults, it is necessary to first clean the inside of the oil cooler to remove oil stains, sediments, and other substances. Professional cleaning agents can be used for cleaning, or high-pressure faucets can be used for flushing.
2. Replace hydraulic oil
Resolve potential oil quality issues by replacing oil products. Of course, replacing hydraulic oil is not a simple process and requires professional technical personnel to operate.
3. Replace the damaged oil cooler
If there is structural damage to the oil cooler, the problem can only be solved by replacing the oil cooler.
4. Check the cooling fan
It is necessary to check whether the cooling fan on the oil cooler is working properly. If the cooling fan is not working or working abnormally, it needs to be repaired or replaced.