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Pentalift Blog - Hydraulics

Ergonomic Positioning Solutions Improve Safety

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What is Auto Return on a Hydraulic Dock Leveler?

In the majority of applications the dock attendant positions the dock leveler on the truck. When the truck is loaded the dock attendant typically operates and returns the dock leveler to the stored closed position. If there is no dock attendant and the truck departs with the dock leveler in position the dock leveler lowers and the lip slowly retracts. If equipped with an optional auto return when the lip reaches the fully retracted position a limit switch is activated. This starts the lift motor. The deck raises and the lip clears the lip keepers. The timer shuts off the motor and the deck lowers to the properly stored closed position.

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What are the benefits of a PentaFlow Cylinder?

Most manufactures hydraulic lift cylinders design dead end at maximum extension which can cause internal damage to the cylinder. Pentalift developed the PentaFlow hydraulic lift cylinder that removes dead ending. An internal mechanical valve opens at full extension and oil is routed back to the reservoir without pressure build up. Another advantage of the PentaFlow cylinder is the ability to purge/bleed air from the hydraulic system automatically. When the lift cylinder reaches full extension keep the up button depressed this purges the hydraulic system, any trapped air is routed to the reservoir out of the hydraulic lines.

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What are the safety precautions that should be taken when doing maintenance on a lift table?

When performing maintenance on a lift table all maintenance must be done by trained personnel and all electrical work is suggested to be performed by an electrician. Nobody should go under the lift table unless properly supported by the lift table’s maintenance stand. Performing maintenance on a lift table should never be done with any sort of load on platform because the maintenance stand of the lift table is only designed to withstand the table’s weight without a load on platform. To increase safety and ease of maintenance, a central lubrication option can be acquired at time of purchase to lubricate leg rollers, leg pivot points, and cylinder points at a point of easy access.

Contact a Pentalift Sales Representative for more information.

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Why would a company decide to go with an edge of dock?

An edge of dock is an effective alternative to a manual dock plate. The equipment can easily be removed or transferred to another site. The down side of an edge of dock application is that it is only primarily designed for light duty applications involving pallet trucks or carts. The leading reason for a company to purchase an edge of dock would be because of its price and application. Edge of docks are available in both can be manual or hydraulic both being very easy to operate.

Contact a Pentalift Sales Representative for more information.

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