MICROMATIC PREMIUM PLUS User manual

DEDICATED TO
DRAFT QUALITY
SERVICEKIT
PREMIUMPLUS
INSTRUCTION MANUAL

2 |MICRO-MATIC.COM
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
Scrap - use new
part from Service Kit.
Reuse - the existing
part should be reused.
Lid
Setting Screw
Bonnet
Tamper Evident Ring
Cartridge
Diaphragm
Washer for Diaphragm
Setting Spring
Disc for Spring
Bafe Plate
O-ring
Flow washer
33 Nm
5 Nm
!*
Only on PremiumPLUS
regulators produced
before 15 January 2020
If your PremiumPLUS
regulator contains this
part it should be reused.
*

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Fig. 2.1
Fig. 2.2
Fig. 2.3
Remove the lid with a at
slot screwdriver.
Scrap the lid.
2. DISASSEMBLY OF REGULATOR
Release the tension on
the setting spring, by
turning the setting screw
anticlockwise with a 4 mm
allen key, 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
Turn the service tool
counterclockwise, by using
a 24 mm spanner, so the
Tamper evident ring breaks.
Release the Bonnet
completely by hand – the
Bonnet is to be reused.
Scrap the tamper evident
ring.
Remove the spring disc
and the setting spring.
The parts are to be reused.
2. DISASSEMBLY OF REGULATOR

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Fig. 2.7
Fig. 2.8
Fig. 2.9
Take up the Diaphragm.
Separate the diaphragm
washer from the
diaphragm.
Reuse the washer and
scrap 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 spanner.
Release the Cartridge
completely by hand and
scrap it.
Remove the Bafe plate
and reuse.
For units produced before
15 January 2020 (see
page 2 for prdocution date
reference), please also
remove the ow washer.
The ow washer is to be
reused.
Remove the old o-ring by
using the o-ring installation
tool from the kit.
Scrap the o-ring.
DO NOT USE A
SCREWDRIVER!
2. DISASSEMBLY OF REGULATOR
!

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3. ASSEMBLY OF REGULATOR
Fig. 3.1
Fig. 3.3
Install carefully the new
o-ring in the groove by using
the o-ring installation tool.
DO NOT USE A
SCREWDRIVER!
P I a c e t h e r e u s e d B a f  e
plate as shown on the
picture.
!
For units produced before
15 January 2020 (see
page 2 for production date
reference), please re-t the
ow washer.
Fig. 3.2

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3. ASSEMBLY OF REGULATOR
Fig. 3.4 Fit the new Cartridge
by turning it clockwise by
hand.
Fig. 3.5
Fig. 3.6
Tighten the new Cartridge
with a torque of 5 Nm
(± 0.5 Nm) by using the
service tool and a torque
wrench.
Install the new Diaphragm
Position as shown on the
picture.

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Fig. 3.8
Fig. 3.9
Place the reused Washer
for Diaphragm on top of
the Diaphragm – with the
groove facing down like
illustrated on the picture.
Fit the new Tamper
evident ring - orientated as
shown on the picture.
3. ASSEMBLY OF REGULATOR
Be sure to push the new
Diaphragm to the buttom of
the regulator housing.
Fig. 3.7

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Fig. 3.10 Place the reused setting
spring and the reused
spring disc.
The spring disc must be
orientated as shown
on the picture.
Fig. 3.11
Fig. 3.12
Place the reused bonnet
and turn it clockwise.
Place the service tool and
tighten it with a torque of
33 Nm (± 3 Nm) 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 soap 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

MAR-3173 - 0520
MICRO MATIC A/S | Holkebjergvej 48 |DK-5250 Odense SV |Denmark |micro-matic.com
© Micro Matic A/S 2020
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