Loosening of the pump-cap. Used a pocket knife to pry the cap loose, popping lightly glued jointss.
Side case removed. Note: the pump shaft was left attached to the removed casing.
Trigger mechanism and pressure chamber 3/4 rear view.
Reservoir intake tubing view.
Inner intake tubing to check-valve and pump shaft.
Nozzle, pin-valve, and front-section of pressure chamber.
Trigger mechanism and spring-based pressure chamber overview. As PC fills, a piston extends from its back side, pressing against the spring-loaded trigger mechanism that snaps the nozzle valve open when the PC reaches a critical volume.
Angled picture of the top of the trigger valve mechanism. Also visible is the air intake for the reservoir.