There are many crew members who use butter as a standard when injecting butter on agricultural machinery. In fact, this standard is not good and has disadvantages and no benefits. Because dust will enter the bearing from the gap where grease is coming out, it will increase wear. According to some experienced drivers, note that butter should not be used for oil. If a grease gun is used for three times, it is advisable to make two shots. Do not use oil.
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