Maintenance - Kerstar KV 20 Operating Instructions Manual

DUST/DEBRIS DISPOSAL
This vacuum cleaner contains dust hazardous to health. Emptying and maintenance operations, including removal
and renewal of dust collection bag, must only be carried out by authorised personnel wearing suitable personal
protection. Do not operate without the full filtration system fitted.
Disconnect the hose, fit the blanking cap on the hose entry, unlatch the clips and remove the motor head/HEPA
unit. Take care not to drop the motor head/HEPA unit. Remove the filter assembly and carefully release the
disposable bag from the bag tube and lift out of the canister. Seal the disposable bag inlet using the integral cap
on the bag collar. The disposable bag should be immediately placed in a suitably labelled impervious plastic
bag and this bag sealed and disposed of in accordance with the current regulations. Fit new disposable bag over
the bag tube inside the canister.
This vacuum cleaner is supplied with 5 spare Microfibre bags and a spare filter assembly. This (clean) spare filter
should be used and the motor head/HEPA unit refitted.
The contaminated filter should now be cleaned by using this vacuum cleaner and stored in a labelled plastic bag
ready for future use.
DECONTAMINATION
Decontamination operations should only be carried out by competent authorised personnel equipped with
suitable personal protection.
Before removing the accessories/vacuum cleaner from the contaminated area:
• Accessories should be cleaned externally with a Type H vacuum cleaner.
• They should then be cleaned with an adhesive wipe, sealed at each end and sealed in a clear impervious bag.
The bag should carry an appropriate warning label.
• The external surfaces of the bag should then be cleaned with an adhesive wipe.
• The vacuum cleaner should be cleaned externally with itself. The disposable bag and its contents should be
removed and disposed of in accordance with the method described in the section titled Dust/Debris Disposal.
• The vacuum cleaner should then be cleaned externally with an adhesive wipe.
• The vacuum cleaner should be sealed in a clear impervious bag. The bag should carry an appropriate warning
label.
• The external surfaces of the bag should then be cleaned with an adhesive wipe.

MAINTENANCE

Maintenance should be conducted by authorised agents only.
Maintenance must be carried out in a suitable controlled area with local filtered exhaust ventilation and facilities
for cleaning the area after servicing.
During maintenance always disconnect from the electrical supply.
Maintenance and cleaning must only be carried out by competent authorised personnel equipped with suitable
personal protection. All parts must be regarded as contaminated. Another Type H vacuum cleaner should be used
and each component to be removed, cleaned prior to removal.
DOP testing should be conducted every six months or whenever the equipment suffers a serious impact or damage.
Items that cannot be satisfactorily cleaned are to be disposed of in impervious plastic bags in accordance with
current regulations. All surfaces should be cleaned as they become exposed.
THERMAL CUTOUT SWITCH
This vacuum cleaner is fitted with a thermal switch which automatically stops the motor if it overheats. This
may be caused by a blocked hose or wands, a full Microfibre bag, or a blocked filter. If your vacuum cleaner cuts
out check for the above. The thermal switch will automatically reset itself when the motor temperature drops.