Ferm ATM1044 Traduction De La Notice Originale page 2

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