MAINTENANCE NOTICE
NM-275 index 09 Page 9/50 September 2021
4.2 Reassembling the signaling unit
4.2.1 Reassembling the solenoid valves
• Position the solenoid gasket by indexing it on the centring pin of the mounting base. One side of the gasket will come to
rest against the orientation piece.
• Index the solenoid valve on the same centring pins. The body of the solenoid valve will come to the orientation pieces.
• Put the two M2.5 fixing screws.
• Tightening torque: 0.4 Nm or 4 kgf.cm
Note: For units with 2 solenoid valves, there is a sealing plate on location 3. To assemble and disassemble it,
follow the same steps as for the solenoid valves.
4.2.2 Reassembling the module
Same as the reverse of the disassembling:
• Position the module in its housing in the base.
• Put the screws and the washers on the mounting points of the base.
• Tightening torque: 0.3 Nm or 3 kgf.cm
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