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ITRON RB 4700 Series Instruction Manual page 35

Gas pressure regulator

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Resetting of the shut-off valve
Theshut-offvalvemustberesetonlyafterhaving
verifyingthereasonfortheinterventionandafter
havingre-establishednormalconditionsofwork,
proceedingasfollows:
Resetting of the shut-off valve with screw reset
–  c losethedownstreamstopvalve
–  r emovethecover29,unscrewingit(figa)
Figc
Figa
–  s crewitupsidedownintothestem28untilin
comesintocontactwiththecover(figb)
–  c ontinuetoscrewitslowly:withthisoperation
(by-pass) pressure fills the downstream pipe
part
–  p ullthecoveroutwardsinordertopermitthe
seating of the balls on the stem: the shut-off
valveisreset(figc)
After these operations, screw the cover to it is
housing (figd) and slowly open the downstream
valve
Figb
Figd
35

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