Cressi-sub ELLIPSE Manuel utilisateur
Regulators repair and maintenance
January 2008 Rev. ELL. OCTO /A Ed. B / 09 1
2nd stage ELLIPSE Black
Regulators repair and maintenance
January 2008 Rev. ELL. OCTO /A Ed. B / 09 2
2nd stage ELLIPSE Black
WARNING!
•This manual is intended for use by expert technicians who have already received
training in equipment repairs and maintenance from Cressi-sub.
•This manual is intended for use by expert technicians who have already received
training in equipment repairs and maintenance from Cressi-sub.
•Avoid performing maintenance and/or repair operations on the equipment without
the proper training required to conduct these operations.
•Users must never perform maintenance themselves; all maintenance must be
performed EXCLUSIVELY by an authorized Cressi-Sub center.
•If the information provided in this document is unclear or not fully intelligible,
please contact Cressi-sub before proceeding with any disassembly or maintenance
procedures.
•Before proceeding, Cressi-sub recommends that you read the following document
carefully to familiarize yourself with all the tools and techniques needed to
perform proper equipment maintenance and/or repair.
•Use this document as a guide during the various steps of maintaining and/or
repairing the equipment.
Regulators repair and maintenance
January 2008 Rev. ELL. OCTO /A Ed. B / 09 3
2nd stage ELLIPSE Black
•All operations must be done strictly in the order provided in this document. Failure
to do so could cause the equipment to function poorly, or worse, result in an
accident.
•To prevent any assembly errors when performing maintenance and/or repairs, we
recommend using all the replacement parts provided by Cressi-Sub in every
operation.
•Pay special attention to the recommendations provided in the margin of the figures
that show the various sequences of equipment maintenance and/or repair in order
to avoid any problems that could result in an accident.
•The document below in no way replaces the equipment's instruction manual.
•The procedures described in this document are pertinent to and intended only for
the disassembly, maintenance, and assembly of equipment meant for use with air
(21% oxygen, 79% nitrogen).
•The instructions provided in this document are based on information referring to the
most update equipment available. Cressi Sub reserves the right to make changes at
any time.
WARNING!
Regulators repair and maintenance
January 2008 Rev. ELL. OCTO /A Ed. B / 09 5
2nd stage ELLIPSE Black
•Maintenance kit 2nd stage Ellipse Black
HZ 810067
(Real Size)
•Use only original Cressi-sub spare parts
•Note: we recommend to carry out a complete maintenance of your
regulator once a year or more in case of a particularly intensive use.
Go back to
Regulators repair and maintenance
January 2008 Rev. ELL. OCTO /A Ed. B / 09 6
2nd stage ELLIPSE Black
•Yearly maintenance
•Cressi-Sub recommends complete regulator maintenance at least once a year,
or more frequently in the case of particularly intense use.
•Maintenance must include replacement of all components provided in the
annual equipment maintenance kit.
•The special tools for maintenance of this equipment are illustrated in a section
of this document on page 8.
•Metal parts must be washed with hot water and neutral detergent and rinsed
in fresh water. Any concretions must be removed using ultrasound cleaning or
with diluted acid solutions, always followed by long and thorough rinsing
under running water.
•Do not use acids or solvents on rubber components.
•The new ORs must be greased with a thin layer of silicon grease: this
procedure reduces to a minimum the risk of damage during assembly.
•The metal threading can be lubricated with grease on the first two rings of
threading.
Regulators repair and maintenance
January 2008 Rev. ELL. OCTO /A Ed. B / 09 7
2nd stage ELLIPSE Black
•Yearly maintenance
•Use only original Cressi-sub spare parts
•The procedures described in this document are pertinent to and
intended only for the disassembly, maintenance, and assembly of
equipment meant for use with air (21% oxygen, 79% nitrogen).
•Users must never perform maintenance themselves; all
maintenance must be performed EXCLUSIVELY by an authorized
Cressi-Sub center.
•You can find your authorized Cressi-Sub center by asking your
dealer, or Cressi Sub S.p.A. itself by sending an e-mail to:
Regulators repair and maintenance
January 2008 Rev. ELL. OCTO /A Ed. B / 09 8
2nd stage ELLIPSE Black
Special tools
Regulators repair and maintenance 2nd stage ELLIPSE Black
January 2008 Rev. ELL. OCTO /A Ed. B / 09 9
•Remove and replace all O-rings;
•Use a plastic tool or a round pointed metal one in order not to damage the
O-ring seat;
•To replace the O-ring correctly, press its sides to create a bulge inside which
to insert the round pointed tool, as shown in the pictures;
•Attention: USE ONLY ORIGINAL CRESSI-SUB SPARE PARTS
Regulators repair and maintenance
January 2008 Rev. ELL. OCTO /A Ed. B / 09 10
2nd stage ELLIPSE Black
•Using a 19 mm
(0,75 in.) and a 17
mm (0,67 in.)
spanner, remove the
low-pressure hose,
holding the set nut
with the former and
unscrewing the
shaft with the latter.
•The OR inside the
hose must be
replaced yearly.
•Disassembling the low-pressure hose
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