The five considerations of slewing bearing dismantling

Excavator slewing support goes without saying that is an important working device on the various loads and torque and takes rotary bearings to the chassis. Due to the rotary bearing the weight of the work overload, it but also the site of the excavator is prone to failure, so use for a long time will need to install a new rotary bearing.

1. Choose the right site maintenance

Before disassembling the rotary support, you need to determine the appropriate maintenance replacement site, the site is quite gentle, has a larger space, convenient tear-open outfit in the process of excavator partial separation of lifting up and down.

2. The lifting process needs to be careful

In the process of replacing the slewing bearing, you need to shovel the upper structure transferred to another place, at this time the commonly used crane hoisting tools, whether disassembly or assembly, hoisting rope has to hang up, to ensure the safety in slowly lifting operations.

3. Safety is the important advice without jack

Someone in the process of dismantling sometimes doesn't choose a crane, pictured above, for example, a jack and a brick pad on the upper part. But suggest it is not to use it this way, because of the high-risk index quite, be sure to keep in mind to make safety their priority.

4. Choose the right brand of slewing bearing manufacturers of slewing are numerous on the market, and product quality good and bad are intermingled, now that you have to choose to replace the new slewing bearing, choice, do not have to bear the new rotary bearing only pursue cheap, or choose a slewing bearing of reliable and durable.

5. Need to tighten the screw, lubrication cannot little

The detailed disassembly process does not introduce one by one to you, a new rotary bearing, screw remembers also want to change, to prevent a perceptible, bear in mind that screws must be tightened. In addition, the new rotary bearing grease, can effectively reduce internal friction, improve the service life of the bearing, and need periodic lubrication and maintenance.