
Regulators repair and maintenance
January 2009
Rev. ELL.BAL/B Ed. C /12
39
2
nd
stage Ellipse Balanced:
assembling
• Check the piston hole is NOT
blocked with impurities.
• Insert the fresh pad pushing it
into its seat in the piston.
Please note the two bulges on
its shaft, which allow its full
connection with the piston.
• Replace and lubricate the
piston and balancing chamber
O-rings.
• NOTE: a thorough lubrication
is unavoidable to make the
regulator work perfectly.
HZ 820055
HZ 820056
OR = 820057
HZ 820058
HZ 820049
OR = 820059