MICROMATIC PREMIUM PLUS User manual

DEDICATED TO
DRAFT QUALITY
PREMIUM PLUS
SERVICE KIT
INSTRUCTION MANUAL

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Production date and serial no.
On the side of your PremiumPLUS regulator you can nd the serial (12
digits) and part no.
The unique serial no. is created from the date it is produced: year, month,
day, hour, minute and second (YYMMDDhhmmss).
Production date is first 6 digits (YYMMDD).
I
PRODUCTION DATE IDENTIFICATION

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1. PARTS OVERVIEW
Discard - use new
part from Service Kit.
Reuse - the existing
part should be reused.
Tamper Evident Cap
Setting Screw
Bonnet
Tamper Evident Ring
Cartridge
Diaphragm
Washer for Diaphragm
Setting Spring
Disc for Spring
Bae Plate
O-ring
33 Nm
5 Nm

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Fig. 2.1
Fig. 2.2
Fig. 2.3
Remove the lid with a at
tip screwdriver.
Discard the lid.
2. DISASSEMBLY OF REGULATOR
Release the tension on
the setting spring, by
turning the setting screw
counterclockwise with a
at head screwdriver, until
the screw is loose.
Place the service tool, so
that the four grooves ts
the four ribs on top of the
Bonnet.

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Fig. 2.4
Fig. 2.5
Fig. 2.6
Using a 24 mm wrench,
turn the service tool
counterclockwise until the
Tamper Evident Ring breaks.
Release the Bonnet
completely by hand – the
Bonnet is to be reused.
Discard the broken Tamper
Evident Ring.
Remove the spring disc
and the setting spring.
These parts are to be
reused.
2. DISASSEMBLY OF REGULATOR

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Fig. 2.7
Fig. 2.8
Fig. 2.9
Lift up the Diaphragm.
Separate the diaphragm
washer from the
diaphragm.
Reuse the washer and
discard the diaphragm.
Place the service tool,
so that it locks into the
geometry of the Cartridge.
2. DISASSEMBLY OF REGULATOR

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Fig. 2.10
Fig. 2.11
Fig. 2.12
Turn the service tool
counterclockwise by using
a 24 mm wrench.
Release the Cartridge
completely by hand and
discard it.
Remove the Bae plate
and reuse.
Remove the old o-ring by
using the o-ring installation
tool from the kit.
DO NOT USE A
SCREWDRIVER FOR
THIS STEP!
Discard the o-ring.
2. DISASSEMBLY OF REGULATOR
!

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3. ASSEMBLY OF REGULATOR
Fig. 3.1
Fig. 3.3
Fig. 3.4
Install carefully the new
o-ring in the groove by using
the o-ring installation tool.
DO NOT USE A
SCREWDRIVER FOR
THIS STEP!
PIace the bae
plate as shown in the
picture.
Install the new cartridge by
hand turning clockwise.
!

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3. ASSEMBLY OF REGULATOR
Fig. 3.5
Fig. 3.6
Tighten the new Cartridge
with a torque of 5 Nm (±
0.5 Nm) or 44.25 Inch lbs
by using the service tool
and a torque wrench.
Install the new Diaphragm
Position as shown in the
photo.
Be sure to push the new
Diaphragm to the bottom of
the regulator housing.
Fig. 3.7

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Fig. 3.8
Fig. 3.9
Fig. 3.10
Place the diaphragm
washer on top of the
diaphragm with the groove
facing down as pictured.
Fit the new Tamper
evident ring - orientated as
shown in the picture.
Place the setting spring
and spring disc on the
diaphragm. The spring disc
must be oriented as shown.
3. ASSEMBLY OF REGULATOR

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Fig. 3.11
Fig. 3.12
Place bonnet on on
regulator body and turn
clockwise.
Place the service tool and
tighten it with a torque of
33 Nm (± 3 Nm) or
292 inch lbs by using a
torque wrench.
3. ASSEMBLY OF REGULATOR

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4. TESTING
Fig. 4.1
Fig. 4.2
Fig. 4.3
LEAK TEST
Connect the regulator to a
gas cylinder.
Pressurize the regulator
and detect for leaks
with Leak Detection Spray
or soapy water, externally
on regulator.
FUNCTION TEST
With the pressurized
regulator, the working
pressure must increase
when the setting screw
is turned clockwise
and decrease when the
setting screw is turned
counterclockwise.
Adjust the working
pressure before
mounting the Tamper
evident lid.
Done!

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NOTES

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NOTES

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NOTES

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right to modify its products without prior notice, including already ordered products, if this can occur without changing already
stated specications.
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