User manual

2
Ferm
Fig. 3
Fig. 2
Fig. 1
Head valve bumper
Exhaust is open
Head valve closed
Resevoir of high pressure air
Return chamber
Hole in cilinder wall
Bumper
Port between head valve and trigger valve
Reservoir of high pressure air
Trigger valve released
Passage for air release from head valve
At rest
Exhaust sealed by head valve bumper Head valve open
Trigger valve actuated
Air released from above head valve
Driving stroke
End of stroke trigger still pulled
Head valve open
Trigger valve still actuated
Piston is sealed against bumper
Exhaust still closed
Air flows into return chamber