How to Rebuild a Serco Hold Down Unit

Dock Leveler Safety Tutorial

Related Serco Hold down unit parts

Bracket (Holdown Housing Assembly)

Spring (Holdown Return o/s)

Retaining Plate for O/S holdown

End Plate (for O/S holdown)

Pinion Gear, Shaft and Guide Assembly

Release Gear - 8-8025

Release Gear - 328-792

Release Lever

Get it right the first time!

Dock Leveler Overview
More Dock Leveler Tutorials

Unmatched Support. The Right Part. DIY with Confidence!


Huge inventory of parts and torsion springs for same or next day shipping! Here you will find all you need in the most common sizes of 1 3/4," 2," 2 1/4," and 2 5/8" inside diameter springs. Please contact us for specialty springs such as TorqueMaster, EZ Set, self-Storage, and steel rolling door springs as many of these have been subject to supply chain shortages. Larger 3 3/4" and 6" inside diameter commercial and industrial springs may require a day or two to ship.

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