How To Adjust Commercial Door Closer
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How To Adjust Commercial Door Closer

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Ensuring that a commercial door closer operates correctly is crucial for the safety and efficiency of any business environment. Door closers, especially in commercial settings, need periodic adjustments to maintain their functionality and to comply with accessibility regulations. This guide provides a comprehensive approach to adjusting commercial door closers, incorporating both the core keyword "door closer" and related keyword "commercial door closer" throughout the content.

Understanding the Basics of Door Closer Mechanisms

Before diving into the adjustment process, it's important to grasp the basic mechanisms of a door closer. A door closer typically consists of a spring, hydraulic fluid, and a series of valves that control the speed at which the door closes. The two primary adjustments are the sweep speed, controlling the speed for the majority of the closing action, and the latch speed, controlling the final few inches of the close.

To begin, identify the type of commercial door closer your establishment uses. This could range from surface-mounted closers, concealed in-frame, in-door, or in-floor models. Each type might have slightly different adjustment procedures, but the basic principles remain the same.

Steps for Adjusting a Commercial Door Closer

Adjusting a commercial door closer involves several steps that require careful attention. First, locate the adjustment screws on the door closer body. These screws are typically marked with their function: L for latch speed, S for sweep speed, and B.C. for backcheck. Backcheck controls the door's motion from being opened too quickly and is a crucial safety feature in many commercial environments.

Using a screwdriver, turn the adjustment screws clockwise or counterclockwise to achieve the desired speed. It's recommended to make adjustments in small increments and test the door after each adjustment. This iterative process ensures that you don't overshoot the optimal setting for both sweep and latch speeds.

Troubleshooting Common Issues

During the adjustment process, you might encounter common issues such as a door closing too quickly or too slowly, or not fully latching. If the door closes too quickly, this could pose a safety hazard, whereas if it closes too slowly, it might not be practical for high-traffic areas. Adjusting the sweep and latch speed screws accordingly can resolve these issues.

If the door fails to latch properly, this could be due to an incorrect latch speed setting or issues with the alignment of the door itself. Ensure that the door frame and hinges are in good condition and properly aligned before making further adjustments to the door closer.

Maintaining Your Commercial Door Closer

Regular maintenance is key to ensuring the longevity and proper function of your commercial door closer. This includes periodic adjustments as outlined above, but also lubricating moving parts and checking for wear and tear. Over time, components of the door closer may degrade, necessitating replacement or professional servicing.

In conclusion, adjusting a commercial door closer requires a thorough understanding of its mechanism and careful attention during the adjustment process. By following these steps and troubleshooting common issues, you can ensure that your commercial door closer functions effectively and safely for all users.

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