7. Fit a new plastic dust bag (see instructions printed on it) in the waste material container.
8. Fit the vacuum cleaner top section onto the waste material container and close the two catches.
6
Operation
WARNING
Risk of injury. Damage to the filter system may allow harmful dust (health hazard) to escape.
▶ In an emergency (e.g. filter ruptured), switch the vacuum cleaner off, unplug the supply cord from the
power outlet and have the vacuum cleaner checked by a trained and qualified person before further use.
CAUTION
Risk of injury presented by the appliance running away out of control. The vacuum cleaner may run
away out of control if the wheel brakes are not engaged.
▶ Engage the wheel brakes so that the vacuum cleaner stands securely.
6.1
Use of Class M vacuum cleaners
DANGER
Risk of injury. Class L and Class M vacuum cleaners contain dust that is hazardous to the health.
▶ Emptying and maintenance, including disposal of the dust collection container, may be carried out only
by trained and qualified specialists. Wear the appropriate protective equipment.
▶ Before removing the vacuum cleaner from an area contaminated with hazardous substances, use the
vacuum cleaner to clean off its own exterior, wipe it clean or place it in a sealed bag or container. As
all parts of the appliance must be considered to be contaminated, suitable measures to avoid spreading
the dust must be implemented before these parts are removed from the hazardous area.
▶ Never operate the vacuum cleaner without the complete filter system fitted.
6.2
Picking up dry dust
Before picking up dry dust, especially dust from mineral materials, always check to ensure that the
correct dust bag is fitted in the container. It is imperative to use a dust bag with an M-class vacuum
cleaner.
After wet applications, remove the filter element and replace it with a dry or a new element.
CAUTION
Risk of injury. Hazardous material that has been picked up may escape if a filter element is not used.
▶ Never use the appliance without a filter element.
1. Make sure that a dust bag of the correct type is installed.
2. Check that the filter element is dry; replace it if necessary.
3. For vacuuming, set the control switch to the
6.3
Picking up liquids
CAUTION
Risk of injury. Hazardous material that has been picked up may escape if a filter element is not used.
▶ Never use the appliance without a filter element.
In preparation for subsequent dry applications, remove the filter element and replace it with a dry or a
new element.
1. Check the container level monitoring system. → page 25
2. If possible, use a separate filter element for wet applications.
3. After picking up liquids, open the two catches.
4. Lift the vacuum cleaner top section away from the waste material container and place it on a level surface
so that the filter element can dry.
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