Switching On And Off; Wet Vacuum Cleaning; Operating Modes; Dry Vacuum Cleaning - Hitachi RP 250YDM Mode D'emploi

3 Commissioning

3.1 Switching on and off

The plug socket on the vacuum cleaner will always be live when the
mains plug is plugged in, irrespectively of the position of the switch.
l CAUTION!
Electric tools and compressed air tools must be switched off
when they are connected
NOTE
If the switch is in the >0< position, the plug socket on the vacuum
cleaner can be use as an extension lead.
l Connection value: Vacuum cleaner + connected unit,
maximum 16 A.
l CAUTION!
Selector switch for minimum material fl ow (horn and light)
on vacuum cleaners classes "M" and "H"
In the modes >A< and >RA< the following setting is made,
depending on the diameter of the hose:
Inside diameter of the hose
∅ 35 mm
∅ 27 mm
∅ 21 mm
No speed regulation is carried out.
The vacuum cleaner always runs at max. speed.
▷ Push the plug of the vacuum cleaner into the plug socket.
▷ Set the desired operating mode on the switch.
↳ The vacuum cleaner is ready for suction.
▷ After vacuum cleaning, set the switch to "O".
↳ The vacuum cleaner is switched off.
▷ Pull the mains plug of the vacuum cleaner out of the plug socket.
▷ Secure the mains cable.
▷ Remove the electric/compressed air tool.
▷ Fix the suction hose in the accessory storage location* on the
back of the container for storage.
▷ The ends of the hose can be pushed into each other to prevent
particles of dirt from coming out.
(* depending on the equipment variant)

4 Operating modes

When using the grip handle you can adapt the suction performance
by using the slider to control access of air into the hose.

4.1 Dry vacuum cleaning

You should only use the vacuum cleaner with a dry fi lter and
appropriate accessories to prevent dust from accumulating and
forming encrustations.
When using the vacuum cleaner to remove soot, cement, plaster,
fl our or similar dust we recommend using fl eece fi lter bags. Always
use fi lter bags in combination with folding fi lter cassettes.
M, H and H Asbestos class vacuum cleaners should be
preferably used as dry vacuum cleaners.

4.2 Wet vacuum cleaning

Switch the vacuum cleaner off immediately if foam or liquid starts
to come out.
▷ Empty the container and, if necessary, the folding fi lter
1
Switch position
▷ Vacuum cleaning without paper fi lter bags.
∅ 35
∅ 27
∅ 21
▷ Empty the vacuum cleaner
If the vacuum cleaner is not switched off, the re-start protection
unit remains operative. Only after switching off and re-starting is
the vacuum cleaner ready for use again.
▷ Remove the suction hose from the liquid before emptying.
▷ After switching off, a small quantity of water can fl ow back out of
▷ If you use it as a dry vacuum cleaner, you must insert dry fi lters.
If you change between dry and wet vacuum cleaning frequently,
we recommend using a second set of fi lters, preferably polyester
folding fi lter cassettes.
5 Cleaning the fi lter
The suction unit is fi tted with an electro-magnetic fi lter cleaning
device which can shake off any dust adhered to the folded fi lter
cassettes.
NOTE
l WARNING!
cassette.
NOTE
Clean the water level sensors (1) regularly
and examine for signs of damage.
1
The folding fi lter cassettes are designed for wet vacuum
cleaning.
The fi tted sensor switches the motor off when the container is
full. The handling of the vacuum cleaner can be compromised
by a full container.
(see "6 Emptying the
l CAUTION!
the hose, as a result of the high suction level and the favourable
fl ow condition in the container.
NOTE
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