Switching The Pump Off; Care And Maintenance; Care Of The Appliance; Cleaning The Appliance - Hilti DD VP-U Mode D'emploi

7.2 Switching the pump on
1. Plug the supply cord into the power outlet.
2. Switch the pump on at the on / off switch.
NOTE The vacuum is monitored by a built-
in pressure gauge.
7.3 Regular checking during pump
operation
7.3.1 Checking the pressure gauge
Check the pressure gauge at regular intervals
while the work is being carried out.
NOTE
Pressure indicator in the green area: vacuum
pressure is adequate. Pressure indicator in the
red area: vacuum pressure is inadequate.
If the vacuum pressure is no longer adequate,
stop working immediately.
Check the system for leakage or kinks in the
hose, etc.

8 Care and maintenance

CAUTION
Disconnect the supply cord plug from the
power outlet before maintenance.
WARNING
Improper cleaning may adversely affect elec-
trical 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.
Printed: 29.05.2017 | Doc-Nr: PUB / 5071482 / 000 / 03 Printed: 31.03.2017 | Doc-Nr: PUB / 5071482 / 000 / 01
Have the fault or damage repaired by the man-
ufacturer, i.e. by an authorized service center.
7.3.2 Checking the water level in the
water separator
Check the water level in the water separator at
regular intervals.
NOTE
The appliance is equipped with a safety valve
to prevent water being drawn into the pump
when the water container is full.
If the safety valve is activated, vacuum pressure
will drop.
Stop working if this happens and empty the
water separator: see section 8.2.

7.4 Switching the pump off

1. Switch the pump off at the on / off switch.
2. Disconnect the supply cord plug from the
power outlet.
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.
5. Clean the top edge of the water separator
container before refitting it.
6. Bring the bayonet connector on the water
container into engagement and then rotate
the container toward "close".
7. Check that the water separator container
is seated securely.

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.
en
15