Series 16/18/160/180-Model C Maintenance Manual, GFZ-62755EN ...

2. HARDWARE B–62755EN/012.11MAINTENANCE OFHEAT PIPE TYPEHEAT EXCHANGERIt is necessary to regulary clean the heat transformer, because the heattransformation ability will be reduced by the accumulation of dust. Thefrequency of the cleaning needed differs according to the installationenvironment and therefore should be determined by your own judgmentaccordint to the degree of dirt.WARNINGThe heat pipe–based heat exchanger section is appliedwith a high voltage.When maintaining the heat pipe–based heat exchanger,keep the power to the machine (CNC) switched off.When replacing the heat pipe–based heat exchanger withthe cabinet open, be careful not to touch the high–voltagecircuit section (marked and shielded with a shock hazardprevention cover).If you touch the high–voltage circuit section when it isuncovered, you will get an electric shock.Air filter cleaning andreplacementAir filter cleaning and replacement method1 When cleaning and replacing the filter, be sure to cut off the fan’selectric power source.2 Detach the filter cover and take out the filter inside.Detach the cover by pressing, the flangeswhich are in the grooves of both sidestowards the inside by minus screwdriver, etc.3 Protect the filter from silting due to dust by blowing air on both sides.4 When dirt is conspicuous, press wash with a neutral detergent, rinsewith fresh water, and the washing, allow to dry naturally. Whenreplacing with the same product.5 Insert the filter in the cover, align the flange in the groove, and installby pressing. Confirm that the cover will not come loose even if it ispulled.176