This tool is used to properly install the piston busing assembly into the first stage body of the 1st stage of the ScubaproMK15.This bushing assembly contains the washer, piston o-ring and the retaining ring.

Position the bushing assembly in the correct orderon the thin shaft of the tool (side with smallest diameter) andinsert the tool with the assemblyinto the first stage body. Push the components in place and remove the tool whilst using a twisting motion. Once the snap-ring is installed to lock the bushing arrangement in place, the tool can be inserted again exertingpressure onto the snap ring to ensure the snap-ring is properly seated. Remove the tool andyou’re now ready to install the piston.

Made from Acetal.