Hitachi RP 250YDL Originalbetriebsanleitung Seite 18

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6. Use
6.1 Dry Vacuuming
Vacuum using a dry filter, dry appliance and dry
accessories only. If the cartridge is damp, dust may
stick and form a crust.
Always use fleece filter bag (9) or PE filter bag (10)
together with pleated filter (11).
6.2 Wet Vacuuming
Never operate the appliance without inserting
a pleated filter (11). Otherwise, the appliance
may be destroyed and water may also escape.
You can use either fleece filter bags (9) or PE filter
bags (10). The pleated filter (11) is suitable for wet
vacuuming.
Before carrying out any wet vacuuming, remove the
dry vacuumed material. This process will prevent
severe soiling and encrustation.
The appliance has a float system that enables it to
switch off the air flow when the maximum liquid level
is reached. When this happens, you will hear a
distinct change in the sound of the motor. Then
switch off the appliance and pull the plug from the
socket. Only vacuum liquids when the float is
working properly (see section 8. Maintenance).
After the appliance is switched off, some water may
run back out of the hose.
Before emptying, first take the suction hose out of
the liquid.
If you are then going to dry vacuum, insert a dry
filter. If there is frequent switching between dry and
wet vacuuming, we recommend the use of a second
(replacement) filter. Allow the filter, container and
accessories to dry: otherwise dust may adhere to
damp components.
6.3 Transport
Leave the hose on the appliance to prevent dust
from accidentally being released.
Secure the suction hose or mains connection lead
to the appliance using the transport bracket.
The upper part (3) must be securely sealed to the
container (8) - check that the snap locks (6) are
closed.
7. Cleaning
7.1 General Cleaning Instructions
Clean the container and accessories with water.
Wipe the upper part (3) with a damp cloth.
Caution! This appliance contains dust that is
harmful to health. Discharge and maintenance
operations (including disposal of the dust collection
containers) must only be carried out by qualified
specialists wearing appropriate protective clothing
and equipment.
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Emptying the Container
Only permitted for dusts with occupational
exposure limits > 1 mg/m
- Unplug mains cable. Ensure the plug cannot be
reconnected accidentally.
- Open the snap locks (6). Remove the upper part
(3) from the container (8).
- Tip out the container.
Disposing of the Fleece Filter Bag
- Pull the mains plug. Ensure the plug cannot be
reconnected accidentally.
- Put on a dust mask.
- Open the snap locks (6). Remove the upper part
(3) from the container (8).
- Carefully pull back the fleece filter bag (9) from the
suction opening (7).
- Dispose of the vacuumed material in accordance
with legal regulations.
Disposing of the PE Filter Bag
- Insert mains plug.
- Switch on the vacuum cleaner and clean the filter:
Press the button (4) ('PressClean' see
section5.2).
- Switch off the vacuum cleaner: turn the switch (1)
to the "0" position.
- Put on a dust mask.
- Open the snap locks (6). Remove the upper part
(3) from the container (8). Before setting down the
upper part, turn switch (1) to the "I" position so
that any falling dust is vacuumed.
- Carefully pull back the PE filter bag (10) from the
suction opening (7).
- Dispose of the vacuumed material in accordance
with legal regulations.
8. Maintenance
8.1 General Instructions
Before performing any maintenance, always
switch off the appliance and remove the mains
plug. Ensure the plug cannot be reconnected acci-
dentally.
Clean the appliance (see section 7.).
For maintenance by the user, the vacuum cleaner
must be taken apart, cleaned and maintained, to the
extent possible, without endangering maintenance
staff or other people.
Preventive Measures
Appropriate preventive measures include: cleaning
the appliance before disassembly; providing local
filtered forced ventilation where the vacuum cleaner
is disassembled; cleaning of the maintenance area
and providing suitable personal protective clothing
and equipment.
8.2 Reduction in suction power
If the suction power decreases, carry out the
following steps:
1. Clean the pleated filter (11): Press button (4)
('PressClean', see section 5.2)
2. Empty the container or replace the fleece filter
bag (9) or PE filter bag (10).
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