Buying Guides

Is your TKO dock door hanging crooked or dropping fast? Here's how to tell if it's the lift cable, the plunger, or the center hinge — and how to order the right replacement part.

A DLM dock leveler that won't release from its stored position, or won't hold down once it's cycled, usually points to one of three parts: the release chain, the release cable assembly, or the gas spring kit. Here's how to tell them apart.

If your DLM dock leveler's lip won't stay extended or bangs down early, a worn lip keeper or bent lip assist rod is almost always the cause. Here's how to tell which part has failed and how to order the right replacement.

A Rytec high-speed door that won't respond after a power blip, or sensors that trip randomly, usually traces back to one of three parts: the backup battery, the transformer, or a failing photo eye. Here's how to tell them apart.

Ellis mechanical dock levelers rely on a ratchet-bar holdown, pawl spring, and toggle system that wears predictably. Here's how to read the symptoms and order the exact part.

The rewind wheel is what pulls a Blue Giant mechanical leveler back down and into stored position. When it starts sticking or clunking, the fix is usually one of a handful of small, inexpensive parts.