Pentalift Blog - Safety Equipment

What Are the Benefits of Interlocking Overhead Doors to Loading Dock Equipment?

If you have both a hydraulic dock leveler and an overhead door in the closed position and try to operate the dock leveler, the power of the dock leveler will damage the locked overhead door. If you have a vertical storing dock leveler in the rest (vertical) position and try and operate (lower) it when an overhead door is in the closed position, the dock will cause severe damage by impacting with the overhead door. In order to ensure that the dock leveler will not be able to operate when the overhead is in the closed position, you can equip the overhead door with an electronic interlock switch. Pit installed dock levelers or vertical storing dock levelers will only work if the overhead door is open.

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Why Is There a Choice to Have Self-Contained or Remote Power Units for Dock Levelers?

Self-contained power units cost less and are the most common, however, there are alternatives. Remote power units are one of the alternatives and are best suited for wash down applications. When periodic maintenance is required, it is easier to access a remote power unit. At the time of installation, remote power units are typically installed 7’ – 8’above finished floor level on a wall mounting bracket. This moves the power unit up and away from potential impact. The hydraulic hoses are then run from the remote power unit to the dock leveler cylinder. Often the application determines the decision to go to a self-contained power unit or a remote power unit.

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When Working With Hydraulic Lifts, What’s the Difference Between a Hinged Bridge Plate, a Hinged Lip, and an Approach Ramp?

A hinged bridge plate and a hinged lip is actually the same thing. The most common industry term is a hinged bridge plate. Hinged bridge plates are a transition plate from the lift platform to either a truck bed or an upper elevation. An approach ramp has a significantly different purpose. The purpose of an approach ramp is to transition typically from the floor onto the platform. For example there is a series of dock lifts that have both an approach ramp and a hinged bridge plate. The approach ramp is for the pallet truck or cart to transition from the floor to the lift platform. With the pallet truck on the platform, the dock lift raises to the truck height. The hinged bridge is then positioned on the bed of the truck, which allows the pallet truck to move on and off of the delivery truck. The hinged bridge plate is then raised to the stored position, the platform lowers and the pallet truck exited via the approach ramp.

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Why Are There So Many Models Of Vehicle Restraints Available From A Single Manufacturer?

Not all applications are the same. In some cases, vehicle restraints are a part of the initial construction design process. It is also quite common to add vehicle restraints to an existing loading dock to improve the safety at this busy area of the facility. The positioning of the trailer’s rear impact guard can vary from trailer manufacturers. This has created the requirements for low profile vehicle restraints. Some facilities are able to cost justify mechanical vehicle restraints as an improvement over manual wheel chocks. There are many models to pick from and each design has its unique features.

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When Do I Need an Automatic Hydraulic Roll-Off-Stop on a Dock Lift?

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