Service And Repair - ITRON 133 Mode D'emploi

Service and repair

•  A llworkontheregulatoristocarryoutonlyin
thepressure-freecondition .  Thesafetyregu-
lations, in particular the UVV's, as well as the
DVGWpapersG490,G491andG495are
tobeconsidered:
•  V alvesontheupstream-anddownstreamside
aretoclosed .
•  T he pressure must be reduced by the relief
valveontheoutletside,uptozerolevel
Caution:
When disassembling the regula-
tor,theloadingspringistorelease
before!
Commissioning SSV-II
Covercap(b)unscrewandontovalverod(a)screw .  Valverodslowlypullout,untiloutletpressure
adjustsitselfinthecontrollerandtheleversystemoftheSSV'sengagesandthevalverodinopen
positionremains .  It's only possible, if the outlet pressure pd of the regulator smaller then the shut-
off pressure pdso and bigger than the shut-off pressure pdsu!
Besuretoscrewoncap(b) .
Commissioning SSV 033 / SSV-I
Covercap(b)unscrewandontovalverod(a)screw .  Valverodslowlypullout,untiloutletpressure
adjustsitselfinthecontrollerandtheleversystemoftheSSV'sengagesandthevalverodinopen
positionremains .  It's only possible, if the outlet pressure pd of the regulator smaller then the shut-
off-pressure pdso.
Besuretoscrewoncap(b) .
Adjusting tool and Orifice-key
Adjusting tool:
Regulator133

Regulator233/244 ➞ A djustingtoola/f
SSV033 ➞ A djustingtoola/f13(Hexagon)
SSV-I
SSV-II

Key to change the orifice (Hexagon):
Regulator133
Regulator233/244*) ➞ K eya/f41mm
*) t heRegulatorType244isworkingonlywithoneOrifice-
(upperandlowershut-off)
(uppershut-off)
➞ A djustingtoola/f13
(Hexagon)
➞ A djustingtoola/f13(Hexagon)
➞ A djustingtoola/f13(Hexagon
andScrewdriver,N°2
(Pos .  candd)
diameter(27,5mm)!
c
d
a
/ "
1
2
Square
➞ K eya/f25mm
b
15