****PRIOR TO INSTALLING THE BLACK ARTS DESIGN GAUGE PROTECTOR/FILL PROBE COVER ENSURE YOUR AIR RIFLE IS UNLOADED AND IN A SAFE CONFIGURATION!!*****

1. Push the gauge protector over the face and body of the gauge. It will stretch over the gauge and the small lip will lock onto the base of the gauge body.

2. Push the fill probe cover onto the fill probe. you will feel it lock into the groove of the fill probe.