Nilfisk-Advance N/G-6900A/C Operating Manual Download Page 50

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CARACTERISTIQUES TECHNIQUES

OPERATING AND STARTING GUIDE

Oil Level

Check the oil level of the pump on the oil
glass frequently. The oil level should be at
the “MAX” indication. The oil level must
only be read with the high pressure clean-
er switched off (Oil type: See technical
data).
Used oil/water is collected in an oil waste
box (2.37). Empty the waste box as
required, by unscrewing the cap (2.36).

Oil Change

The pump oil should be changed after a
maximum of 300 working hours and at
least once a year. If there is water in the
pump oil (the oil turns white) the contami-
nated oil should be changed and new oil
added (oil type: See technical data).

Water Filter

Clean the water filter as required.
Disconnect the water inlet hose and
remove the water filter. If necessary. clean
the water filter of the boiler filter too.

Fuel Filter

If there is water in the fuel filter (2.13)
replace the filter and empty the fuel tank
(2.11) by removing the fuel tank drain
plug and clean the tank.

Turbo Laser

Clean the filter in the Turbo Laser lance
(2.7) regularly. The filter is mounted in the
inlet opening at the throttle control to pre-
vent particles such as calcium and sand
from entering the Turbo Laser where they
may cause increased wear, leaks or in
serious cases operating malfunctions.
It may be necessary to change the filter. If
so, put a screwdriver or similar tool
through the filter and pull it out. Fit the

new filter with an O-ring

and press it into the

opening of the Turbo

Laser lance. Make

sure that the filter

is placed with the

largest contact

face towards the

Turbo Laser

head.

When inspecting or replacing parts in the
Turbo Laser spray the metal parts with
“Pronto Universal”, "WD 40", “Servisol”,
“Caramba” or similar products that are
able to:
a. Counteract

moisture

Protect against corrosion

Lubricate and clean

We also recommend the above men-
tioned treatment if the Turbo lance is not
being used for a long period of time.

Descaling

We recommend that the machine be reg-
ularly descaled. Descaling is required if
you find a pressure increase of 5 bar or
more over operating pressure.

Place the detergent pipe (3.1) into
the descaling acid.

Dismount the lance from the pistol
(2.26).

Start the cleaner at pos. “1” and
let it run for 1/2 min.

Close the pistol (2.26) a few times
so the cleaner is also descaled in
the by-pass system.

Stop the cleaner and let the
descaling acid work for 5 min.

Restart the cleaner.

If the pressure is not down to the operat-
ing pressure the process is repeated.
After descaling the system must be with
clean water to remove acid residues.
Close the pistol a couple of times so that
the by-pass system of the cleaner is
flushed clean. The cleaner is then ready
for use again.

NOTE!

Descaling acid is corrosive; wear

facial protection, protective gloves, etc.

Frost protection

The best frost protection is to place your
high pressure cleaner in a frost free envi-
ronment. If this is not possible the high
pressure cleaner must be frost protected
as follows:

Remove the cover and turn off the
water supply.

Turn on the machine, activate the
pistol and let the machine empty
the water tank.

Add 4 litres of antifreeze mix. to
the water tank (2.7).

Start the machine by turning the
switch (2.29) to pos. “1”, activate
the pistol and let the machine run
with the pressure regulation han-
dle in the open position until
antifreeze comes out of the noz-
zles (2.1) and (2.2). Release the
pistol trigger a couple of times to
frost protect the by-pass and safe-
ty valve.
If your machine is equipped with
steame device, turn the steam
device on and repeat the proce-
dure to protect the steam system.

The antifreeze can be collected and used
again.

Cleaning

Always keep your high pressure cleaner
clean. This increases both the life and the
function of the individual machine parts
considerably.

Replacements/disposal

All replaced parts such as water filter, fine
sand filter, Turbo Laser filter as well as
contaminated oil and antifreeze must be
handed in to the local approved authori-
ty/institution for deposit/destruc-tion.
When the high pressure cleaner is no
longer to be used, the detergent as well
as pump and stator oil must be drained
off and delivered in accordance with the
above mentioned instructions. The high
pressure cleaner must likewise be hand-
ed in to the local, approved institution for
destruction.
Any replaced parts from service visits
may be given to the service personnel
who will deliver them to the proper author-
ity.

Fuel Level Control

The fuel level control (2.12) switches off
the oil burner when the oil level in the fuel
tank is too low. When the oil burner is dis-
connected the machine will continue
operation as a cold water cleaner.
Stop the high pressure cleaner by setting
the start/stop knob (2.29) in position “0”.
Fill with diesel oil and re-start the oil burn-
er.

Detergent application

Use only detergent which has been
developed specifically for use in high
pressure cleaners. It is economical in use
and is gentle on the cleaning object and
the high pressure cleaner.

Place the detergent hose with the
detergent filter (3.1) in the tank
containing detergent. Check that
the detergent covers the filter
completely.

The desired amount of detergent
(up to 6%) can be set on the
detergent regulator (2.17).

After using detergents, clean water
should be sucked through the pump.
Place the detergent hose in clean water,
and let the machine run for a few minutes.

NOTE!

The detergent regulator must be in

pos. “0” when detergent is not being
used as the pump will suck in air.

MAINTENANCE

Modèle

Pression de travail

bar

Effet turbo

ETP-bar

Pression de travail avec étage vapeur

bar

Débit d’eau,