● This tool is used to install and remove retum springs on commercial trucks and trailers. ● Unique design cups the return spring to prevent it from sliding off and possible injury. ● The return spring can be removed and installed safely, quickly and easily. The slight bend at the end makes it fit better and not slip as easily The super long shaft provides a bit more leverage to save fix time and effort Square steel with a plastic handle, proprietary heat treating extends its life Quick and Easy to Remove & Install Removal: -- Rotate the S cam - insure that the cam is rotated to seat the rollers are in the lowest position. -- Slide the Brake Return Spring Tool between the shoe webs over the top roller and hook the top of the return spring below the coil. -- Push down on the handle and unhook the spring from the pin by pulling back or pushing forward on the handle depending on the direction of the spring opening. Installation: -- Install both the roller and the roller retainers in both shoes. -- Install the return spring pins if required. -- Install the top shoe - insure that the cam is rotated to seat the roller in the lowest position. -- Hang the anchor springs from the top shoe. -- Attach the lower shoe, with the anchor springs, and then rotate the lower shoe into position. -- Install the retum spring on the lower shoe with the upper spring opening facing the roller. -- Slide the Brake Return Spring Tool between the shoe webs over the top roller and hook the top of the return spring below the upper coil. -- Push down on the handle and hook the spring over the pin by pulling back on the handle. Please Note That ● IT IS NOTA GENERAL PURPOSE PRY BAR. ● DO NOT ATTEMPT TO ROTATE THE CAM BACKWARDS WITH AUTO SLACKS WITHOUT RELEASING THE PAWL.