NOTICE
Applying force
If excessive forces are present, this can damage the fan impeller.
● Use a suitable cloth or brush to clean the external fan, ensuring that moisture does not
enter the motor.
● Once the voltage has been disconnected on all poles, wait for five minutes before touching
the device.
● Never open the external cooling unit during operation.
● Never loosen any fixing screws for the external cooling unit during operation.
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.
CAUTION
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 123)
● Spare parts kits (Page 119)
● Ordering spare parts via the Internet (Page 120)
9.2.6.8 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
terminal connections.
● If dust or humidity have infiltrated the terminal box, this should be cleaned and dried
(particularly the insulators).
Check all the seals and sealing surfaces and address the cause of the leakiness.
Maintenance
9.2 Inspection and maintenance
SIMOTICS M-1PH8 1PH818., 1PH822.
Operating Instructions 07/2016 113
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