How to Maintain Crane Slewing Bearing-NEWS-FV BEARING INDUSTRIES
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How to Maintain Crane Slewing Bearing

Aug 27, 2021

The slewing bearing of crane is an important "joint" of crane, so the maintenance is very important. 

When performing maintenance operations, pay attention to the danger of being dragged into the rotary pinion, crushing and shearing. In the inspection and maintenance, to ensure that when starting the idea of necessary rotation and amplitude action, any repair operation staff are not the main arm, the danger zone between the car and the roller or the danger zone between the car and the roller, the crane operator (in the driver's room) outside.


Inspection of slewing support bolts:

1. Crane before each operation may at least once a week, visual inspection of the bolts on the slewing bearing.

2. Slewing bearing operation 100 hours after the operation, should check whether the bolt loose, the 300th operation hours to check again; Every 500 working hours thereafter; The inspection interval should be shortened under bad conditions.

3. The slewing bearing is filled with lithium grease before the equipment; Bridge erecting machine rental.

4. When replacing the bolt, scrub the bolt clean and tighten it after applying thread fastening glue; Use the crane according to the operation manual and the requirements of the crane table, or check the fastening bolts according to the requirements on schedule, you can avoid the danger of bolt fatigue damage.


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