Regulators repair and maintenance
January 2009 Rev. ELL.BAL/B Ed. C /12 44
2
nd
stage Ellipse Balanced:
assembling
• Push the adjustment knob into its seat, overcoming the friction induced by the O-ring on
the valve body side.
• Screw the knob including the screw into the valve body, paying particular attention to line
up the plastic thread perfectly with the metal one of the valve body: do not insert the knob
inclined in order not to damage the plastic connecting thread.
Note: the adjustment knob thread, placed between the two O-rings, proves watertight. A
rich lubrication ensures an easy smooth longlasting working of the knob.
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