Replacing The Spring; Transport, Storage And Disposal - Madas MVS/1 Manual De Instrucciones

5.1 - REPLACING THE SPRING

The step must be carried out without gas inside the valve.
Replace the spring as follows:
• Unscrew and remove the cap (1) from the top cover (15);
• Completely loosen and remove the adjustment screw (2);
• Remove the spring washer (if any);
• Remove the spring (14) from the top cover (15) and replace it with the new spring;
• Place the washer on the new spring again;
• Tighten the adjustment screw (2) and after starting the system as shown in 4.0, perform calibration to the desired value
shown in 5.0;
• Screw the cap (1) back on and if necessary, seal it in that position using the appropriate seal holes (if present);
• NOTE: The operation is not carried out in versions with max P. = 6 bar (see fig. 7).
6.0 - MAINTENANCE
• No maintenance operations need to be carried out inside the device. If it is necessary to perform operations inside
the device (spring change, membrane replacement, etc.) we recommend contacting the Technical Department. In any
case, before carrying out any dismantling operation on the device, make sure that there is no pressurised gas inside.

7.0 - TRANSPORT, STORAGE AND DISPOSAL

• During transport the material needs to be handled with care, avoiding any impact or vibrations to the device;
• If the product has any surface treatments (ex. painting, cataphoresis, etc) it must not be damaged during transport;
• The transport and storage temperatures must observe the values provided on the rating plate;
• If the device is not installed immediately after delivery it must be correctly placed in storage in a dry and clean place;
• In humid facilities, it is necessary to use driers or heating to avoid condensation.
• At the end of its service life, the product must be disposed of in compliance with the legislation in force in the country where
this operation is performed.
7.0 - WARRANTY
The warranty conditions agreed with the manufacturer at the time of the supply apply.
Damage caused by:
• Improper use of the device;
• Failure to observe the requirements described in this document;
• Failure to observe installation rules;
• Tampering, modification and use of non-original spare parts;
are not covered by the rights of the warranty or compensation for damage.
The warranty also excludes maintenance work, the assembly of devices of other manufacturers, making changes to the device
and natural wear.
Madas Technical Manual - 7|7.4 - REV. 1 of 28
13
May 2019
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MVS/1 - MVSP/1