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Equipment › ANVER vacuum lifters › Air powered gravity tilt stone lifters › GUP single pad 500–1000 lb › Mechanical lifter set-up

How to set up ANVER self-powered mechanical vacuum lifters

A mechanical lifter creates its own vacuum from the hoist up and down movement, so there is almost nothing to install. This page explains how it works.

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How to set up self-powered mechanical vacuum lifters

ANVER M250M mechanical vacuum lifter

Mechanical self-powered, self-cycling vacuum lifters
No power service is needed, so set-up is straightforward

Model specific information

Technical description

The vacuum generator consists of a free-moving piston within a closed cylinder. A rubber rolling diaphragm forms an airtight seal between the piston and cylinder. Since the integrity of this seal does not depend on metal-to-metal contact or a tight fit, it does not lose efficiency with use.

As the lifters are self-powered, there is no installation required.
Mechanical lifters require no electrical or compressed air service. Set-up consists of hanging the lifter on the crane hook. Its attach/release cycle is controlled by the hoist up/down movement. You cannot release the load unless you set it down completely.

Go through the proper lifting procedures shown in your manual or the latest ANSI guidelines with your operators and you are done. The lifters come fully assembled and tested. It is that simple!

The vacuum attach-and-release cycle is controlled by an automatic self-cycling valve located in the bottom of the piston. When the unit is lowered onto the load and the suspension chain slackens, the full weight of the lifter is on the load, and a cam automatically closes the piston valve. The hoisting action then pulls up the piston, creating a powerful vacuum inside the cylinder and underneath the vacuum pads.

When the load is completely set down, and the suspension chain is again slackened, the cam opens the piston valve, releasing the vacuum. The lifter then can be raised, ready for the next pickup. Attach and release are instantaneous. Since the valve sealing disc can only cycle when the chain is completely slack, it cannot shift positions while in use and will not accidentally release the load.

Mechanical self-powered, self-cycling operation

Step 1: Up

Mechanical lifter cycle illustration, step 1

The lifter hangs from a crane hook and is lowered onto the load until the chain is slack.

Step 2: Down

Mechanical lifter cycle illustration, step 2

Step 3: Slack

Mechanical lifter cycle illustration, step 3

Step 4: Down

The lifter is pulled up by the hoist, creating a vacuum, and picks up the load.

Step 5: Up load

Mechanical lifter cycle illustration, step 5

The lifter is pulled up by the hoist, creating a vacuum, and picks up the load.

Step 6: Down

The lifter and load are set down until the chain is completely slack, which releases the vacuum.

Step 8: Down

The lifter can now be raised without the load.

Step 9: Up

This completes the cycle and you’re ready to pick up the next load.

Video

Mechanical vacuum lifter video
Similar to how an electric self-cycling lifter works

These are the main items to keep in mind

Load overhang icon

Make sure you have selected a vacuum lifter with adequate capacity to lift your heaviest load, and enough vacuum cups to support your longest, widest and thinnest load. See how we calculate this.

Crane hook icon

Make sure your hoist and crane have adequate lifting capacity.
Remember, you need to deduct the vacuum lifter weight from the hoist and crane to get your overall capacity.

Headroom icon

Check if you have adequate headroom in your application for the lifter and the load being lifted.

Spare and replacement parts

Have you ordered key spare parts such as vacuum cups or seals? While they do last, this will probably be the first item needing service.

Replacement parts Vacuum
cups and seals
Vacuum filter Vacuum
filters and elements
Vacuum hose Vacuum
hose and fittings

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