Operating Instructions DFO/DFI Series Mechanical Convection Ovens/Incubator
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Chapter 4 Maintenance
4.1 Regular maintenance
1)
Clean the interior and exterior of the equipment periodically to keep the equipment clean;
2)
Check for air tightness of the door seal and the ventilator;
3)
Check fixing screws periodically, and if any loose, fix it.
Fig 5 Check air tightness of the gasket
Check air tightness of the door gasket as follows:
1)
Close the door as for normal use;
2)
Attempt to insert a piece of paper in between door glass and left, top and right part of the door
gasket. There shall exist no gap for a piece of paper in any part of the sealing strip;
3)
Open the door, put another piece of paper in between door glass and the lower part of the door
gasket. There shall be some resistance for you to remove the paper.
Remove the plug from power line before cleaning. Use soft dry tissue to clean the
interior of the oven and avoid any splashing or washing!
If any water or other materials fall into the equipment containing electric and/or
electronic parts and components, disconnect the power immediately. Power on only
after water is completely evaporated or removed.
Regular check of the air tightness of the door gasket is necessary for efficient and safe
operation of the oven. Intervals of 3 months for normal use, or the first time powering
up after repairing or standstill for long period, are recommended.
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