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Pentalift Blog - Hydraulic levellers

Conversion Kit Upgrade to Hydraulic

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Roll-Off Stop Lip Adds Extra Safety

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Vehicle Restraints make docks safer

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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.

Contact a Pentalift Sales Representative for more information.

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