Saturday 21 July 2012

Ways to maintain Chain Hoists


Any device that you use needs to be looked upon regularly otherwise it shall not give the optimum level of performance as it is expected to give. The same goes for the ChainHoist and so different points to be kept in mind for the maintenance of it are discussed here.

The following are the points to be kept in mind while using it and mainly during its maintenance:

1. Whenever any new installation or overhauling is done, there should be first trial run and only after that it should be used actually.

2. In normal use, should be carried out prior to 125% of rated load, lifting off the ground about 100 mm, 10-minute static load test and check whether it is normal. 

3. Dynamic test is based on rated load weight, lift and move around for repeated testing, test check the mechanical transmission parts, electrical parts and connecting parts are normal and reliable.

4. In use, the absolute prohibition of the environment is not allowed and more than rated load and nominal closing hour number (120) of cases.

5. In the use of specialized personnel must inspect hoist regularly, found that failure to take timely measures, and carefully recorded.

6. Chain retirement criteria should be decided and strictly followed.

7. Chain oil should be used when a hard brush or small piece of wood is prohibited by hand to direct the work of the rope is oil.

8. The use of worn out parts should be given special attention and change should be made immediately.
There should be also a committee that is responsible for checking this, else it shall create mishaps.

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