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Why do the excavators need butter? How often do you know?

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Why do the excavators need butter? How often do you know?

2018-07-17
Why do we need butter?


There are dozens of relative movement on the arm and bucket of excavator when working. The pin and bush of these parts always have friction when working. And because of the heavy workload of excavator, the force on these parts is also very large.

The 4 pins on the excavator bucket need lubrication.This can be true steel solid iron, such a large intensity of work if allowed to "dry grinding", the shaft pin and sleeve will have serious wear and tear, in a few days the gap is very large, affecting the work of excavators and maintenance and replacement costs. 

In order to reduce this part of friction, excavator in these moving parts are designed lubricant injection and retention channels, so that each two moving parts in the middle of the work can form oil film, reduce wear and tear. And this lubricant is butter, scientific name grease.


How often do I need to butter?

In order to make the excavator work better, each excavator has marked the maintenance time of each part on the instructions. Butter is usually added at intervals of 5-8 hours, that is, at least once a day when working.


 
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