Reassemble font valve seat, let
top of font valve seat 0.8mm
higher than body.
Reassemble spring and rear
valve’s seat.
Connect air supply. Reassemble
throttle stem.
If leaking when not shooting, then
adjust the position of font valve seat.
If leaking when shooting, then adjusting
the
position of rear valve’s seat.
If no leaking, then fix the two
screws.
Reassemble deflector, screw and
the other parts.
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