These hoists come in different capacities and they can handle weight ranging from 500 Kgs to 20 Tons. However, before you purchase any electric wire rope hoists for your work, you should check all the technical details and the scope of use.

The various uses of an electric wire rope hoist in industrial areas can be summed up as:

Voltage Checking

Check the voltage before you start using any product. Even if there is a slight difference in the electric voltage, the functions of the hoists will be hindered. Further, you will need to check the speed of the electric voltage as well before you make your hoists lift the items for you.

Check the lubrication

Lubrication is a very important factor you should take note of. If your hoists need oil for lubrication, you must ensure that you oil your equipment for its smooth functioning. Before you start using the hoists, ensure that the gearboxes are filled properly as recommended by the manufacturer.

Avoid untangling

Electric wire rope hoists are prone to tangles. Before lifting any material, make the rope come up and down and make sure that your rope is free from any tangles. If you find any, untangle it before you move ahead with your work.

Test Buttons

Check all the buttons under expert supervision to see whether everything is working properly. Switch on and switch off all the buttons to understand the functioning well.

Limit Switches Test

This is known as the main function of the hoists. The hook should disconnect itself automatically when it reaches the top and the same should happen while it is down at the ground. Repeat this process twice.

Crane motion test

There are these set of buttons which are useful to move the crane horizontally. Test the crane along with hoists by taking it to the top and bringing it down again.

No matter how frequently or rarely you operate your electric wire rope hoist, it is important to stay safe always. These are heavy-duty equipment and only a trained man can operate it. If no one in your business premises knows about these hoists, you should train them well before you bring the equipment in the workplace.

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It is mandatory to do the final checks before we take electric chain hoist into implementation. Because it is always good to keep precaution to avoid any disaster. Well, the electric chain hoist has some really great tips to check out before the usage.

We have listed the imperatives below:

1. Preparations

Keeping instruction manual handly will save your time and keep you safe. Reading the manual carefully is one of the imperatives you shouldn’t miss. Also, make sure you have completed all the steps in a correct manner and all the parts are fixed properly.

You can prepare for some questions and check the same with the configuration of your chain hoist.

For the operators/workers working in the workstation should match some checkpoints such as:

• If the electric chain hoist is installed correctly
• The location of trolley stopper is correctly located on the beam
• Whether the bolts, nuts, and split are tightened
• Is cable support strongly fixed over the support arm?
• The push button cord wire and pulling force support happens on controller suspension?
• Also, it is very important to check if the cutoff power source or breaker switch before repairing any machine parts

2. Lifting  Test

Lifting is the main task of chain hoisting where we can not leave any single mistake. In the lifting preparation, one should connect the main power switch to the hoist and press down the push button switch first.

Followed by the constant check on-hook button. That is to check if the hook button travels in the wrong direction if so consider the power supply phase is not in the correct manner.

Therefore, cut off the power source and exchange any two phases of the three-phase power at the hoist and observe the traveling direction of the hook. It would be in the right direction and towards the push button direction.

3. Traversing  Test

Traversing plays the vital role in electric chain hoisting. Where you need to test it before the final execution. Check if the control over trolley holds the same direction while traveling or not. Also, make sure pasting the E/W or N/S on push buttons.

4. Limit  Switch Test

Here the referring of nameplates AB or AC where we can set the upper limits and lower limits. Attaching them on the hoisting is important to show the status of the limit switch. If the nameplates are not mentioned means the status is not clear of a limit switch.

There can be mainly two types of limit switches:

(a)  Upper Limit Switch

(b)  Lower Limit Switch

5. Lifting & Falling Brake Test

Lifting should start with a moderate weight and not the too heavy at the very first test. Pressing down the push button switches to lower or descending hook many times will start the lifting. In which, the release of the button should awake the brake to stop the motor from running and weight should stop on the respective position.

6.  Emergency  Stop Button   Test (optional)

This one is the optional testing segment but important to look at. Because there is no certainty about the emergency. Press down the emergency stop button at the time of pressing down the push button switches and check for the hook if it stops the running. Also, the working of the hoist in line with the push button switch should be tested.

Also, keep emergency button to the right direction and release after it pops out followed by repeating the operation. If anyone step fails then check the essentials and stop the button.

The post Electric Chain Hoist: Final Checks Before Usage appeared first on HoistsandCrane.

Every company should keep periodically wire rope maintenance of it. There are many statutory or regulatory agencies, which requirements should be fulfilled. In a case their requirements are not prevailing in your wire rope, you should inspect it properly. There are many electric wire rope hoists in India who manufactures good quality hoists and cranes.

HOW AN ELECTRIC WIRE ROPE IS MAINTAINED?

• It is essential for any employer to maintain their wire rope properly. Its working condition will decreases if it damaged, maltreated, overloaded or not truly maintained
• Consider one thing that no wire rope used or applied without design factor permission and full knowledge.
• A wire rope will wear out if overtime load uses on that so, always take care to maintain the strength of a rope otherwise it will decrease.
• It is important to keep average load on a rope never apply over load or higher than determine by design factor.
• Never give sudden load on a wire rope it causes for damage of an electric wire rope. It is not the right way to give shock load force on a rope.
• There should be lubrication in a wire rope and periodically change it for good strength of rope.
• If a wire rope is new or unused always, apply minimum breaking strength.
• It should be considered by a design factor for minimum or normal breaking strength if it reduced and it is not similar for all machines as well as work force so determine from design factor for your actual use strength.
• Regular inspection of a wire rope is most important for wire rope good life and a qualified person signed by OSHA should inspect it.

HOW TO DO WIRE ROPE INSPECTION-TESTING

• For any wire rope its abrasion, bending and removal are important factors to inspect.
• A qualified person inspects a wire rope is properly installed or not and after proper inspection allows a rope for a regular service. If there would be any degradation in its strength, decision given by a good inspector to keep a rope in a service.
• During inspection, it is found that there are broken wires they should be removed with full knowledge and carefully.
• Know the exact part of broken wire and then bend it from backward and forward. If more than, one or two wire broken it is safe to change a rope.
• Visually inspection of wire rope is also a good method of inspection it is done every time for starting a new shift.
• Rope measuring is an important factor for inspection process. Rope diameter is compared with original diameter and comes difference between them it shows that there is damage in a rope.

Areas of testing based on ISO 4309

• It should be proper testing for when to stop a rope.
• A qualified person should test for broken wires.
• They should examine corrosion.

When to change electric wire?

• If more than three wires broken in a pendant standing ropes in one lay length
• If is damaged by heat on a metal part.
• Wound on drums and passed through sheaves six or more broken wire on one lay length.
• If Support is missing in diameter, workload, or sizes.

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