Cressi-sub MC5 Manuale
January
January 2008
2008 Rev. MC5 / 1
Rev. MC5 / 1 Ed. A / 08
Ed. A / 08 1
1
Regulators repair and maintenance
Regulators repair and maintenance 1st stage MC5
1st stage MC5
MC5 INT HZ 800098
MC5 INT HZ 800098
MC5 DIN 300 bar HZ 800099
MC5 DIN 300 bar HZ 800099
January
January 2008
2008 Rev. MC5 / 1
Rev. MC5 / 1 Ed. A / 08
Ed. A / 08 2
2
Regulators repair and maintenance
Regulators repair and maintenance 1st stage MC5
1st stage MC5
• This document is intended for experienced technical personnel who
have already attended a Cressi-sub training course on equipment
repair and maintenance.
• We decline any responsibility for any maintenance and/or repair
operation carried out by unauthorized personnel.
• Avoid carrying out maintenance and repair operations on the
equipment without the correct training required.
• Should the information reported in this manual be unclear or not fully
understandable, please contact Cressi-sub before carrying out any
disassembling or maintenance operation.
• Before carrying out any operation, Cressi-sub recommend to read
this manual carefully in order to get to know thoroughly all necessary
tools and techniques to carry out a correct maintenance and repair of
the equipment.
WARNING !
WARNING !
January
January 2008
2008 Rev. MC5 / 1
Rev. MC5 / 1 Ed. A / 08
Ed. A / 08 3
3
Regulators repair and maintenance
Regulators repair and maintenance 1st stage MC5
1st stage MC5
• Before any operation, Cressi-sub recommend to read carefully the
present document in order to get to know thoroughly all
necessary tools and techniques to carry out a correct maintenance
and repair of the equipment.
• Use this document during every phase of the equipment
maintenance and repair, in order not to leave out any sequence.
• On the contrary, bad working or even accidents might occur.
• Pay particular attention to the advices written on the sides of the
pictures representing the different phases of maintenance and
repair, in order to avoid any possible problem that might cause
accidents.
• All operations described in this manual are relating and destined
only to disassembling, maintenance and assembly of equipments
to be used with air (21% oxygen, 79% nitrogen).
WARNING !
WARNING !
January
January 2008
2008 Rev. MC5 / 1
Rev. MC5 / 1 Ed. A / 08
Ed. A / 08 4
4
Regulators repair and maintenance
Regulators repair and maintenance
1st stage MC5
1st stage MC5:
:
exploded
exploded diagram
diagram
MC5 INT 1st STAGE (HZ 80068)
ANNUAL REPLACEMENT KIT CHART
(Real Size)
MC5 DIN 1st STAGE (HZ 80053)
ANNUAL REPLACEMENT KIT CHART
(Real Size)
January
January 2008
2008 Rev. MC5 / 1
Rev. MC5 / 1 Ed. A / 08
Ed. A / 08 5
5
Regulators repair and maintenance
Regulators repair and maintenance 1
1st
st stage MC5 INT
stage MC5 INT
•
•Kit MC5
Kit MC5 Int
Int Yearly
Yearly maintenance
maintenance
•
•Cod.
Cod. N
N°
°HZ 800068
HZ 800068
(Real Size)
•
•Use only
Use only Cressi
Cressi-
-sub original replacement units
sub original replacement units
•
•Note:
Note: we
we recommend
recommend to
to carry
carry out a complete
out a complete maintenance
maintenance of
of your
your regulator
regulator
once a
once a year
year or more in case of a
or more in case of a particularly
particularly intensive
intensive use
use.
.
Go back to
January
January 2008
2008 Rev. MC5 / 1
Rev. MC5 / 1 Ed. A / 08
Ed. A / 08 6
6
Regulators repair and maintenance
Regulators repair and maintenance 1
1st
st stage MC5 DIN
stage MC5 DIN
•
•Kit MC5
Kit MC5 Int
Int Yearly
Yearly maintenance
maintenance
300 bar
300 bar -
-Cod.
Cod. N
N°
°HZ 800053
HZ 800053
(Real Size)
Go back to
•
•Use only
Use only Cressi
Cressi-
-sub original replacement units
sub original replacement units
•
•Note:
Note: we
we recommend
recommend to
to carry
carry out a complete
out a complete maintenance
maintenance of
of your
your regulator
regulator
once a
once a year
year or more in case of a
or more in case of a particularly
particularly intensive
intensive use
use.
.
January
January 2008
2008 Rev. MC5 / 1
Rev. MC5 / 1 Ed. A / 08
Ed. A / 08 7
7
Regulators repair and maintenance
Regulators repair and maintenance 1
1st
st stage MC5
stage MC5
• Cressi-sub recommends a full maintenance of the regulator at least
once a year or more in case of particularly intensive use. The
maintenance must include the replacement of every OR, of the
conical filter and relating clip, of the first stadium HP pad and of the
seal.
• The required tools to carry out the maintenance are described in a
section of this manual.
• Wash the metal parts in warm water and soap, then rinse them in
fresh water. Remove any concretion by means of ultra-sound
cleaning or diluted acid solutions and rinse them carefully in fresh
water.
•
•Yearly
Yearly maintenance
maintenance
January
January 2008
2008 Rev. MC5 / 1
Rev. MC5 / 1 Ed. A / 08
Ed. A / 08 8
8
Regulators repair and maintenance
Regulators repair and maintenance 1
1st
st stage MC5
stage MC5
• Grease all new OR with a thin silicone film: this will reduce to the
minimum the risk of damage during the assembly phases.
• You may grease the first two turns of the metal threads.
• All operations described in this manual are relating and destined
only to disassembling, maintenance and assembly of equipments to
be used with air (21% oxygen, 79% nitrogen).
•
•Yearly
Yearly maintenance
maintenance
•
•Use only original
Use only original Cressi
Cressi-
-sub spare parts
sub spare parts
January
January 2008
2008 Rev. MC5 / 1
Rev. MC5 / 1 Ed. A / 08
Ed. A / 08 9
9
Regulators repair and maintenance
Regulators repair and maintenance
1
1st
st stage MC5:
stage MC5:
disassembling phases
disassembling phases
• Use the special spanner to
disassemble the bracket
blocking nut, as shown in
the picture, after screwing
the special threaded tool in
one of the first stage ports
and tightening the
regulator in a vice.
January
January 2008
2008 Rev. MC5 / 1
Rev. MC5 / 1 Ed. A / 08
Ed. A / 08 10
10
Regulators repair and maintenance
Regulators repair and maintenance
1
1st
st stage MC5:
stage MC5:
disassembling phases
disassembling phases
• Should you not
have the special
spanner to
remove the
bracket, you can
use a big roll
spanner to
unscrew the
blocking nut, as
shown in the
picture.
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