How much nitrogen should be added to a 68 breaker hammer?

2 Answers
MacJaxon
07/28/25 10:16pm
68 breaker hammer typically requires a pressure value of around 1.4-1.6MPa. Power source: It is powered by the pressure oil provided by the pump station of an excavator or loader, which can more effectively remove floating stones and soil from rock crevices during building foundation excavation. The principle for selecting a hydraulic breaker is to choose the most suitable one based on the excavator model and the working environment. Hydraulic breaker: Hydraulic breakers have become an important working tool for hydraulic excavators. Some people also install hydraulic breakers on backhoe loaders (also known as two-way machines) or wheel loaders for breaking operations. Hydraulic breakers are also called hydraulic breakers or hydraulic crushers (hydraulic breaker).
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LaGenevieve
08/12/25 2:48am
I've been working with construction machinery for years. For models like the 68 hydraulic breaker, nitrogen charging generally requires 14 to 16 bar, depending on usage frequency and working conditions. When I first started, I didn't know much and learned from the experienced technicians in the factory. They said the pressure must be maintained above 14 bar to effectively cushion impacts; otherwise, the chisel could loosen from vibration. Now, whenever I operate it, I always bring a pressure gauge to check—if it's below 14, I add nitrogen, but never exceed 18 bar, as it could burst the seals. Regularly replenishing nitrogen extends equipment lifespan and saves on repair costs. My personal advice: check the nitrogen chamber every 100 or so hours of use. Developing this habit can add several more years to your hydraulic breaker's service life.
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