Care Of The Appliance; Cleaning The Appliance; Troubleshooting - Hilti DD VP-U Mode D'emploi

WARNING
Improper cleaning may adversely affect electri-
cal safety.

8.1 Care of the appliance

CAUTION
Disconnect the supply cord plug from the
power outlet before maintenance.
8.2 Emptying the water separator 2
1. Connect the hose to the vacuum base plate
in order to release any remaining vacuum
pressure.
2. Rotate the water separator container to the
"open" position and pull it down and away
from the pump (bayonet connection).
3. Empty the container.
4. Check the ball float.
The ball must be free to move in its cage.
Press the ball down if it is stuck up against
the seal.

9 Troubleshooting

Fault
The pump is running and
is connected to the vac-
uum baseplate but no
vacuum is created (pres-
sure indicator in the red
area).
The pump runs but cre-
ates no vacuum (pressure
indicator in the red area).
5. Clean the top edge of the water separator
6. Bring the bayonet connector on the water
7. Check that the water separator container

8.3 Cleaning the appliance

CAUTION
Do not use solvents as these may damage
plastic components.
WARNING
Do not clean with running water or use pressure
jet/spray systems. This may adversely affect
electrical safety.
1. Use a damp cloth and a little household
2. Always keep the grip surfaces of the appli-
3. Clean the ventilation slots regularly with a
Possible cause
The filter is clogged.
Dirt in the hoses, fittings, pump
or vacuum baseplate seals
(water separator, connectors,
etc.).
Operation at high altitude.
The water separator is full.
The ball float is stuck beneath
the filter unit.
The water separator is leaking,
damaged or not fitted.
The hose is damaged or
squashed.
The pump is defective.
container before refitting it.
container into engagement and then rotate
the container toward "close".
is seated securely.
cleaner to clean the outside of the appli-
ance.
ance free from oil and grease.
soft, dry brush.
Remedy
Return the appliance for repair.
Clean out the hoses, fittings
and seals or replace them if
necessary.
Use a different fastening
method.
Empty the water separator.
Remove the water separator
and pull the ball down.
Fit the water separator. Re-
place it if damaged.
Return the appliance for repair.
Return the appliance for repair.
en
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