Chain hoists quality inspection rules to follow

Chain hoists quality inspection rules to follow
The quality  Chain Block  relationship with job performance and useful life, some users to save money, you may select a number of poor quality products, which will have serious consequences incalculable.
1 Appearance No defects, a complete rust protection, making good, no scars, burrs, etc., coating evenly.
2 Load Pull the zipper, the various components without jamming, flexible operation, and can be heard regularly clear crisp sound.
3 hung heavy, make a trial run and found a smooth gears, chains and groove fit well without reversing stuck situation,  lift hoist  reliable The brake
Inspection quality  chainb lock  ave certain rules, if we can understand this knowledge, both to avoid being taken in, and can be used for cost-effective products.