3286431Z05 - Motorola Seal, Main O-ring CP200

3286431Z05 - Motorola Seal, Main O-ring CP200 -- Replacing the O-ring. a. If you have the older chassis (2786389Z01) use the older O-ring (3286431Z02). Position the O-ring in the top groove by the volume/frequency switches. Stretch the O-ring to place it into the retaining groove at the bottom end of the chassis. b. If you have the newer chassis (2786389Z02) use the newer O-ring (3286431Z05). Position the O-ring with the plug on the right side (speaker connector side). Push the plug all the way into the chassis slot until it is touching the chassis flange. Repeat for the left side. Stretch the O-ring to place it into the retaining groove at the top and bottom end of the chassis.