Tips of maintenance technology

  1. About the Excavator Air Conditioning

    About the Excavator Air Conditioning The air conditioning system of the excavator is indispensable to the current engineering equipment. Because of the dusty and sandy working environment, you can only close the doors and windows and turn on the air conditioner or warm air during normal work. The heating system relies on a radiator connected to the engine antifreeze to...
  2. What is the reason for the excavator to boil? What should I do when the excavator engine boils

    What if the excavator engine boils The engine boiling phenomenon can no longer be called a simple fault problem, and may even rise to a safety accident. At the same time, it is also called one of the most expensive faults by old drivers in the industry. Because the boiling of the engine may cause more serious steel sticking, cracking...
  3. Post treatment of worn hydraulic pump

    Post treatment of the Excavator worn hydraulic pump GP-Main Hydraulic pump 7Y-4002 7Y4002 for Caterpillar Excavator CAT325 325 L 325 LN After the hydraulic pump of excavator was seriously worn, we found the fault cause according to the following three points and improved the system:a. Check the internal leakage of the boom cylinder. The simplest way is to raise the...
  4. Analysis of The Gear Pump

    Analysis of The Gear Pump Bulk Order Email: Joey@soonparts.com The common faults of gear pump in use include small flow, no oil absorption, insufficient pressure and Large Noise, Oil Leakage, Overheating, Abnormal Operation of Oil Pump or Stuck Shaft, Broken Pump, etc. For these Problem analysis and solutions for your reference. Gear Pump 4035495 for John Deere 790 1.The oil pump does...
  5. Normally Perform Electromechanical A Adjustment

    Technical Support from WWW.SOONPARTS.COM,Please email Joey@soonparts.com When the display changes from to , adjustment cannot be performed. A (display condition) is reading the engine speed, its speed is above 850RMP, when the step motor is upshifting and downshifting, if the speed drops by 10RPM after downshifting: Cause: The engine speed sensor has not been correctly read. Deal with: 1. After...
  6. Special Installation Instructions for A/C Compressor

    Technical Support from WWW.SOONPARTS.COM,Please email Joey@soonparts.com Please read the installation instructions carefully before use. If you do not install correctly according to the requirements of the company, you will lose the right to warranty and claim. 1.Description The compressor is only responsible for gas compression in the entire air conditioning system, and is not responsible for refrigeration. As long as...
  7. These ten items of the engine are easy to "reverse" or "wrong"

    Technical Support from WWW.SOONPARTS.COM,Please email Joey@soonparts.com These ten Items of the Engine are Easy to "Reverse" or "Wrong" On the engine, some parts can be installed on both sides, and some are non-positioning parts. If it is slightly sloppy, it is easy to install or reverse. Therefore, it is specifically proposed here that attention should be paid to the repair...
  8. Nine reasons why the engine piston ring is broken!

    Technical Support from WWW.SOONPARTS.COM,Please email Joey@soonparts.com Piston ring breakage is one of the common forms of damage to piston rings. Generally, the first and second-pass piston rings are easily broken, and the fractured parts are mostly near the lap. The piston ring can be broken into several segments, or it can be shattered or even missing. The piston ring breaks...
  9. Listening to the sound of the diesel engine mean

    Technical Support from WWW.SOONPARTS.COM,Please email Joey@soonparts.com Listening to the sound of the diesel engine mean and knowing the fault The operators who often run excavators are familiar with the sound of diesel engines. The old driver can judge the general working condition of the machine through the sound of the engine, and can also detect some small problems of the...

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