Checks After Cleaning And Maintenance - Hilti VC 20M-X Manual Del Usuario

▶ Clean the top edge of the waste material container and its groove with particular care, because cleanliness
here is decisive for the seal between waste material container and suction head.
VC 20M-X
VC 40M-X
M-class vacuum cleaners:
The appliance must be handled for cleaning and maintenance in a way that avoids exposing maintenance
personnel and other persons to any hazards.
▶ Use filtered forced ventilation.
▶ Wear personal protective equipment.
▶ Clean the maintenance area in a way that prevents hazardous substances escaping into the
surrounding environment.
▶ Vacuum off the outer surfaces of the appliance and wipe it clean or seal it in a suitable container, e.g.
large plastic bag, before removing it from an area contaminated with hazardous substances. This will
help to avoid distribution of the hazardous dust deposited on it.
▶ When maintenance or repairs are carried out, all contaminated parts which cannot be satisfactorily
cleaned must be packed in impermeable bags and disposed of in compliance with the applicable
disposal regulations.
▶ The appliance must be subjected to a technical inspection by Hilti Service or a trained person at
least once a year to check, for example, for damage to the filter, air leakage, and to ensure correct
operation of the controls.
8.2 Filter cleaning
Do not attempt to clean the filter element by knocking it against a hard object and do not use pointed
instruments. This will reduce the life of the filter element.
Do not use compressed air to clean the filter element. This may cause tears in the filter material.
The condition of the filter element deteriorates with use.
▶ Replace the filter element at least every six months.
▶ However, if used intensively, the filter element should be replaced more often.
8.3 Changing the filter element
1. Disconnect the supply cord plug from the power outlet.
2. Open the retainer for the filter cassette.
3. Open the filter cassette.
4. Carefully remove the filter element, gripping it at the areas provided in the holder.
5. Clean the sealing surface with a cloth.
6. Insert the new filter element.
7. Close the filter cassette by flipping the cover catch forward.
8. Close the retainer for the filter cassette.
9. Be sure to remove the dust that escapes from the vacuum cleaner and/or the filter element due to the
filter change operation.
8.4 Checking the container level monitoring system
1. Disconnect the supply cord plug from the power outlet.
2. Open the two catches.
3. Lift the vacuum cleaner top section away from the waste material container and place it on a level surface.
4. Check the cut-off contacts (wire sensors) for dirt accretions and if necessary, brush the contacts clean.
5. Check the seal at the vacuum cleaner top section and clean it with a cloth if necessary.
6. Position the vacuum cleaner top section on top of the waste material container.
7. Close the two catches.
8. Check to ensure that the vacuum cleaner top section is installed correctly and secured.
8.5

Checks after cleaning and maintenance

1. After cleaning or carrying out maintenance, check that the vacuum cleaner is assembled correctly and
that it functions faultlessly.
30 English
5
6
2268215
*2268215*