
Regulators repair and maintenance
January 2009
Rev. ELL.BAL/B Ed. C /12
10
2
nd
stage Ellipse
Balanced
• Use a 0,75 in. and a 0,67 in.
spanner to remove the low
pressure hose, holding the lock
nut steady with the former and
unscrewing the hose with the
latter;
• By annual replacement it is
necessary to replace the O-
rings inside the hose;
• Check the low pressure hose
for visible signs of wear, cuts or
abrasions, especially next to
the threaded connecting parts.
• Remove the low pressure hose