Maintaining Terminal Boxes - Siemens SIMOTICS M-1PH8 Operating Instructions & Installation Instructions

Changing the filter mat of the external fan (option)
Check the state of the filter mat regularly depending on the prevailing conditions. Change it if
it is dirty.
Changing the filter only when the fan is stationary
When the mesh is removed, the degree of protection is no longer guaranteed. There is a risk
of injury. Only change the filter when the fan is stationary.
1. Unscrew the fan guard and remove the old filter mat.
2. Insert the new filter mats and screw the fan guard back into position.
You can order the filter mat as a spare part.
● Spare parts, external fan (Page 112)
● Spare parts kits (Page 109)
● Ordering spare parts via the Internet (Page 110)
9.3.6.7

Maintaining terminal boxes

Requirement
The machine is de-energized.
Checking the terminal box
● Terminal boxes must be regularly checked for tightness, undamaged insulation, and tight
● If dust or humidity have infiltrated the terminal box, this should be cleaned and dried
● Check the insulators, connectors and cable connections in the terminal box.
● Replace the damaged components if necessary.
SIMOTICS M-1PH8
Operating Instructions 05/2012 A5E03986435A AA
CAUTION
terminal connections.
(particularly the insulators).
Check all the seals and sealing surfaces and address the cause of the leakiness.
WARNING
Short-circuit hazard
Damaged components can cause short circuits, possibly resulting in death, serious
injuries and property damage.
Replace damaged components.
Maintenance
9.3 Inspection and maintenance
101