Clemas & Co KEVA 45 ATEX Manuel de l'opérateur - Page 7

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OPERATING INSTRUCTIONS

Unscrew the blanking cap from the threaded hose entry.

Connect the hose and accessories required.

Insert the mains plug into a suitable socket outlet.

Switch on the unit by pressing the round ON/OFF switch.

When this unit needs to be switched off it must only be switched off (or on) using the round ON/OFF switch.

When coiling the mains cable make sure that any twists or knots in the cable come out at the plug end.

DO NOT coil the cable from the plug end as all twists and knots remain in the cable and considerably

shorten its life.

This vacuum cleaner is ﬁ tted with two separate air ﬁ ltration systems. The ﬁ rst is for the working air.

That is the airﬂ ow created by the motor to transport dust/debris up the hose and into the disposable

Microﬁ bre bag. The second is for the cooling air. That is the airﬂ ow created by the motor in order to keep

its temperature within acceptable limits.

Working Air

1) 1st stage:

K4 Microﬁ bre disposable bag

KEVA 20, 30 & 45

The K4 Microﬁ bre disposable bag is made from Microﬁ bre material. This material offers better ﬁ ltration

efﬁ ciency, greater tear resistance from sharp debris and is less likely to burst when full of heavy dust/

debris. K4 Microﬁ bre disposable bags are ﬁ tted with a moulded plastic ﬂ ange and sealing cap. They are

ﬁ tted over the inlet inside the canister and the dust/debris is collected inside the bag. The sealing cap is

designed to prevent the escape of dust from the bag during the bag change and disposal process. When

the bag is full or suction efﬁ ciency is impaired it should be replaced. Microﬁ bre bags are not designed

to be emptied and should not the reused.

2) 2nd stage: Antistatic Cloth Filter Assembly

A conductive needlefelt cloth ﬁ ltration media attached to a conductive rubber sealing ring and supported

by a conductive plastic rigid ﬁ lter frame.

3) 3rd stage: HEPA (High Efﬁ ciency Particulate Air) Cartridge Filter

Often referred to as the essential or absolute ﬁ lter. It is designed to ﬁ lter to a very ﬁ ne particle size (0.6micron

at an efﬁ ciency >99.995%) yet have a large enough surface area to give maximum vacuum performance.

Note: The casing of the HEPA ﬁ lter is metal and is earth bonded to the body of the vacuum cleaner in

order to dissipate any static built up in the HEPA ﬁ lter.

WARNING: Do not use this vacuum cleaner unless the full 3 stage ﬁ ltration system is ﬁ tted.

Cooling Air

The electrical and electronic parts of the vacuum motor are protected against potentially ﬂ ammable/

explosive dust ingress by HEPA ﬁ lters. The HEPA ﬁ lter situated on the top of the motor head ﬁ lters the

inlet cooling air. The exhaust outlet cooling air HEPA ﬁ lter is situated within the motor head.