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5Maintenance and Inspection
5.3 Maintenance and inspection procedures
The procedures for carrying out periodic maintenance and inspection are described below. Thoroughly
comprehend the procedures, and follow the instructions. This work can be commissioned to the Mitsubishi Service
Dept. for a fee. (Never disassemble, etc., any of the parts not described in this section.)
The maintenance parts required for the maintenance and inspection are shown in
parts". Contact your dealer for these parts when required.
5.3.1 The check of the filter, cleaning, exchange.
The filter is installed in the controller.
The following shows the procedure for inspecting, cleaning and replacing the filter:
1) Loosen the M4 x 6 screws and remove the filter cover from the front of the controller. Remove the claw on
the left side of the filter cover as it is inserted in the front face of the controller.
2) Remove the filter from the filter cover and remove dust and other dirt that has built up on it.
* If the filter is particularly dirty then wash it in water and detergent and then dry fully before re-fixing. In
the event that the surface of the washed filter has become fluffy, please replace it with a new filter.
3) Attach the cleaned or new filter to the controller, and install the filter cover to controller with the M4 x 6
screw.
Fig. 5-2 ： Cleaning, exchanging the filter
5-59 Maintenance and inspection procedures
Page 60, "5.4 Maintenance
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