In most Rite-Hite dock levelers, a ring rolls in the curve of a lip keeper as someone walks across the deck of the dock leveler. This allows the lip assist bar attached to the ring to push the lip up.
Over time, the bar connecting the ring and the lip assist bar wears out, and the ring is unable to stay on the track of the lip keeper. This indirectly prevents the lip from raising when someone pulls the pull chain.
This tutorial demonstrates how to properly replace a worn lip assist bar in a Rite-Hite dock leveler.
Additional information is available on our Dock Leveler Safety tutorial.
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" commercial and industrial springs may require an week to ship; other springs may require three to four weeks to process.
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Shipping times and costs have changed. Normal transit times are currently not guaranteed, even on next day and second day shipments. Shipping prices on items over eight feet have more than tripled.