MAINTENANCE NOTICE
NM-275 index 09 Page 10/50 September 2021
4.2.3 Reassembling the unit on the actuator
Reassembling the base on the actuator
Same as the reverse of the disassembling:
• Position the base on the actuator by aligning the
indexing pin to the 1/8 Gas hole.
• Screw both non-detachable CHC screws
• Tightening torque: 1 Nm or 10 kgf.cm
• Make the pneumatic connection.
• Wire the electric cables depending on the type of unit
and following the connection diagrams provided in
this manual.
• Tighten the cable gland.
Reassembling the cover
• Same as the reverse of the disassembling:
• Align the fin of the cover with the stopper and
bring the cover into contact with the base.
• Turn the cover clockwise and align the cover
sealing fin with the base sealing fin.
Note:
In normal operation, the base and the cover can, if
necessary, be sealed with a wire or a screw which
will pass through a hole that goes through the whole
signalling unit.
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