Service And Repair - ITRON 133/233 Mode D'emploi

Service and repair

• All work on the regulator is to carry out only
in the pressure-free condition . The safety
regulations, in particular the UVV's, as well
as the DVGW papers G 490, G 491 and G
495 are to be considered:
• Valves on the upstream- and downstream
side are to closed .
• The pressure must be reduced by the relief
valve on the outlet side, up to zero level
Caution:
When disassembling the regu-
lator, the loading spring is to
release before!
Commissioning SSV-II
Cover cap (b) unscrew and onto valve rod (a) screw . Valve rod slowly pull out, until outlet pres-
sure adjusts itself in the controller and the lever system of the SSV's engages and the valve
rod in open position remains . 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!
Be sure to screw on cap (b) .
Commissioning SSV 033 / SSV-I
Cover cap (b) unscrew and onto valve rod (a) screw . Valve rod slowly pull out, until outlet pres-
sure adjusts itself in the controller and the lever system of the SSV's engages and the valve
rod in open position remains . It's only possible, if the outlet pressure pd of the regulator
smaller then the shut-off-pressure pdso.
Be sure to screw on cap (b) .
Adjusting tool and Orifice-key
Adjusting tool:
Regulator 133
Regulator 233/244  Adjusting tool a/f
SSV 033  Adjusting tool a/f 13 (Hexagon)
SSV-I
SSV-II
Key to change the orifice (Hexagon):
Regulator 133
Regulator 233/244*)  Key a/f 41 mm
*) the Regulator Type 244 is working only with one
Orifice-diameter (27,5 mm) !
(upper and lower shut-off)
(upper shut-off)
 Adjusting tool a/f 13
(Hexagon)
/ " Square
1
2
 Adjusting tool a/f 13 (Hexagon)
 Adjusting tool a/f 13 (Hexagon
and Screw driver, N° 2
(Pos . c and d)
 Key a/f 25 mm
c
d
b
a
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