Siemens NXPLUS C Installation And Operating Instructions Manual page 269

Removing the
interlocking
802-9081.9 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C • Revision 11
High speed moving parts
Can cause serious injury.
Do not remove the front cover of the operating mechanism until the following actions have
been performed:
➭ To avoid impermissible switching operations, switch off auxiliary voltage, e.g.:
- Switch the auxiliary voltage supply of the motor.
- Trip the MCB.
- Disconnect the control cables from the low-voltage compartment.
➭ To discharge the spring energy store in the operating mechanism, execute the following
instructions:
- Actuate the manual OFF pushbutton.
- Actuate the manual ON pushbutton.
- Actuate the manual OFF pushbutton again.
➭ Check if the "spring charged" indicator shows "spring charged".
➭ Disassemble and remove the front cover of the panel.
To reach all lubrication points, the interlocking must be removed:
➭ Undo bolts ① and ④ . Store the bolts carefully.
➭ Remove 2 cable straps ③ .
➭ Undo the bolted joint ② . Store the components carefully.
➭ Carefully remove the interlocking from the operating mechanism. Store the interlocking
protected against dirt.
✔ The operating mechanism is ready to maintenance.
WARNING
Service information
① Bolt, left side
②
Bolted joint
③ Cable strap (2x)
④
Bolt, right side
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