Hand operated manual chain hoists (also popularly known as a chain block or block and tackle) are a part of handy lifting equipment available in adaptable configurations; they are very flexible to the several alternative working circumstances and working environments including temporary and permanent installations
How to Safely Use a Hand Chain Block?
1. Handle and store them properly.
2. Check the block and all the other accessories before using it and also before placing into the storeroom.
3. For top hook suspension, utilize hooks that are fixed with safety catches, or intruding the hook, making sure the support fits without stinting into the seat of the hook.
4. Examine and make sure that the bottom hook will make a contact with its lowest point without operating the chain completely out.
5. For trolley suspension, make sure the trolley is properly set for the beam size.
6. Use safe suspension practices and follow the instructions very carefully for safely using the equipment.
Things to Avoid:
1. Don’t let it get exposed to chemicals, any acids, without asking the supplier.
2. Don’t drop, drag or throw it.
3. Without consulting the supplier, don’t replace the load chain with a longer one.
4. Don’t use excessive effort to make it work.
5. Don’t let the grease or oil to come into contact with the brake.
6. Don’t let it expose directly to the water spray, elements, steam etc without confirming the supplier.
How to Select the Right Unit?
Today, the hand chain block is available in a large variety of abilities and with different types of suspension. Choose the block to be used and prepare the lift by keeping the following things in mind-
- Kind of suspension – trolley, hook, etc.
- Class of use, capacity and range of lift.
- They are designed especially for vertical lifting only.
- Discuss with the provider if the block is to be used in areas of high risk, exposed to the water, elements, steam etc, with dangerous substances, like chemicals, or acids, or intended to use in extremes of temperature.
How to Store and Handle Them Carefully?
- Don’t keep the damaged piece back to the storage. They should be clean, dry, and kept safe from corrosion.
- It should not be thrown, dragged, or dropped to the floor.
- Store them by their chief suspension with chains apparent on the ground, the chains may be tied together to facilitate this. It’s recommended that all the non-portable blocks kept outdoors must be covered and saved from corrosion.
- Don’t galvanize or subject the chain, or any other weight bearing parts, to any other covering process without consulting the supplier.
How to Maintain Them?
Go through all the instructions given by the supplier, especially the maintenance instructions. It’s important to keep the load chains well-lubricated and periodically examine the operation of the brake. Brakes should be kept free of grease, oil, etc. Without consulting the supplier, don’t replace the load chain.
Regularly examine it and, if any, defects are found, immediately give the block to an experienced person for detailed examination. Using it in damaged condition can not only make the condition of block worse, but also harm the person.