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Care
Assembly
• Push diaphragm head of diaphragm into slot of
diaphragm fork
• Fit diaphragm into diaphragm groove
• Press both operating buttons at the same time
• Slide cap on until it catches positively on the
catch hooks
• Perform tightness check and closing pressure
check
2.5 Visual and Function Check
• Perform visual check of AutoMaXX and check all
operating functions
2.6 Tightness Check
The AutoMaXX should be checked without as
well as with medium pressure.
Without Medium Pressure
• Switch off AutoMaXX with red operating button
• Connect AutoMaXX to a leak tester with the con-
necting adapter (see Ordering Information)
• Create a positive pressure of +7.5 mbar at the
leak tester and maintain it for 60 seconds, ob-
serving the pressure change
The pressure change must not exceed 0.3 mbar
within a time of 60 seconds.
With Medium Pressure
• Switch off AutoMaXX with red operating button
• Connect medium pressure line to a pressure re-
ducer
• Open cylinder valve
• Connect AutoMaXX to a leak tester with a con-
necting adapter and observe pressure change
The pressure must not increase more than
1 mbar during 60 seconds.
2.7 Closing Pressure Check
• Switch off lung governed demand valve and con-
nect to a pressure reducer
• Open cylinder valve of compressed air cylinder
• Connect lung governed demand valve directly or
via the hose of the test adapter to the test
equipment
In order to prevent damage to unsecured test
equipment from positive pressure, use the
hose of the test adapter and close the con-
nection between the AutoMaXX and the test
equipment.
• Switch on lung governed demand valve by
pushing the flushing button
• In the case of using the hose of the test adapter:
Please open this hose. Using venting device of
test equipment release a volume flow of 5 l/min
• After closing the venting device, the static pres-
sure must be less than 3.9 mbar
If the closing pressure should be greater
than 3.9 mbar, the positive pressure spring
of the diaphragm must be replaced.
2.8 Overhaul
• Overhaul of the AutoMaXX may only be per-
formed by MSA or service personnel authorized
by MSA
2.9 Storage
• The AutoMaXX should be stored switched on in
a dry, dust-free and clean room at approx. 20°C
2.10 Malfunction
• In case of malfunctions the AutoMaXX must be
checked by MSA or trained service personnel
Data
3.1 Technical Data
Operating pressure
5 – 8 bar dynamic
Operating temperature
-30°C to +60°C
3.2 Ordering Information
Regulator:
10023689 AutoMaXX-AS-C
Regulator Assy, QC
10036273 AutoMaXX-AS-C-G,
Regulator Assy, QC, rubber
medium pressure line
Handwheel:
10027739 Handwheel C,
M45x3
Diaphragm:
10032083 Diaphragm,
5pcs, Spare
Closing cap:
D0010444 Cap,
Protective, dia 12
Filler Cap:
10027738 Filler Cap AS
Desinfectant:
D2055765 AUER Cleaning
Agent, 2L
D2055766 AUER Cleaning
Agent, 6L
Adapter:
10031901 Testadapter, Auto-
MaXX
The device described in these Instructions for
Use is in accordance with Directive 89/686/EEC.
©
Copyright MSA 2001, subject to change. MSA
assumes no liability for incorrect statements or
This type series covers the
following Lung Governed
Demand Valves:
AutoMaXX-AS-C
AutoMaXX-AS-C-G
Instructions for Use
Positive Pressure
Lung Governed Demand Valve
Type Series AutoMaXX-AS-C
English: 10034240/03
Congratulations for choosing the type series MSA AutoMaXX-
AS-C, a high performance lung governed demand valve
that is easy to handle.
The type series AutoMaXX-AS is available in different ver-
sions as follows:
AutoMaXX-AS-C
(with silicone medium pressure line)
AutoMaXX-AS-C-G (with rubber medium pressure line)
For your safety, please read the Instructions for Use
carefully prior to the first use.
This manual contains instructions for the optimal use of the
product. Like any piece of complex equipment, this product
will do the job it is designed to do only if it is used and
serviced according to the manufacturer's instructions. This
manual must be carefully read by all individuals who have
or will have the responsibility for using or servicing the
product.The warranties made by MSA with respect to the
product are voided if it is not used and serviced in accor-
dance with the instructions in this manual. Please protect
yourself and your employees by following them. Before
choosing and using the product, it is required to assess
whether the product is suitable for the application intended.
Choice and use are beyond the control of MSA. Therefore,
the liability of MSA covers only the consistent quality of this
product.The above does not alter statements regarding the
warranties and conditions of sale and deliveries of MSA.
Contents:
Operation
1.1
Remarks
1.2
Connecting to Medium Pressure
1.3
Connecting to Mask
1.4
Switching On
1.5
Switching Off
1.6
Disconnecting from Mask
1.7
Disconnecting from Medium Pressure
1.8
Supplementary Function Flushing
Care
2.1
Recommended Maintenance Intervals
2.2
Remarks
2.3
Disinfection / Cleaning
2.4
Diaphragm Check/Replacement
2.5
Visual and Function Check
2.6
Tightness Check
2.7
Closing Pressure Check
2.8
Overhaul
2.9
Storage
2.10 Malfunction
Data
3.1
Technical Data
3.2
Ordering Information
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