Kent-Moore DT-51920 1st/Reverse Clutch Piston Spring Installer

Kent-Moore DT-51920 1st/Reverse Clutch Piston Spring Installer

The 1st/Reverse Clutch Piston retaining ring can be removed with standard hand tools but DT-51920 is a unit repair tool that is required for reassembly to evenly compress the Piston Spring so the retaining ring can be installed in the ring groove in the case

The tool fits in the transmission case and contacts the return spring around its entire perimeter to evenly compress the spring down past the retaining ring groove so the ring can be seated in the case. The spring consists of a ring with numerous short coil springs attached. If the Installer is not used, the ring flexes and it is very difficult to snap the retaining ring completely into the case groove and the spring can easily be bent and damaged during the process

DT-51920 requires the use of two previously essential inline tools; DT-48056 Spring Compressor Bridge and DT-48903 Spring Compressor. DT-48903 is used as a spacer to take up the distance gap between the DT-48056 forcing screw and the DT-51920 Installer.

As this three tool assembly compresses the spring, the technician works the retaining ring into the groove around the perimeter of the transmission case with a screwdriver.

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