TECHNICAL MAINTENANCE. Vents KSK

KSK

TECHNICAL MAINTENANCE

DISCONNECT THE UNIT FROM POWER SUPPLY BEFORE

ANY MAINTENANCE OPERATIONS!

Check the following conditions during the unit maintenance:

• Cut off power supply to the fan.

• Clean the fan casing from outside with a soft cloth dampened with water.

• Open the fold out motor-impeller unit.

• Wash the impeller blades carefully with a soft cloth or a brush dampened with water and mild detergent solution. Remove dust from soundproof surface using a vacuum cleaner.

• Check screw connections as well as rivet and welded joints.

• Check tightness of ground screw clamps and electric connections.

• Check wire terminal connections.

Avoid penetration of water onto the electric parts and the motor.

Wipe the unit surfaces dry after cleaning.

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