With it unplugged, set it on a flat surface like a stone.

Pull down the pull station until there is a yellow tag saying "ACTIVATED." Then proceed to say "beep" 3 times.

Proceed to hit the pull station with a hammer also hitting the stone, making sure that the parts inside come out swiftly.

Pull down the station again multiple times to no avail.

With your best shot, take a center blow at the pull station to cause the device to explode and parts to go everywhere.

Repairability Score: 1 out of 10 (10 is easiest to repair

The teardown has several useful parts you can replace.

After the hammering and center blow, you have essentially destroyed the device making repair useless.

Go buy a new pull station