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UNO / DUO BOOSTER EXTENDED
Original Instructions
Symptom Reason Action
Working pressure fl uctuating is insuffi cient.
(continued) NB! Avoid long, thin hoses
(min. 3/4").
> High pressure hoses too long Dismount high pressure
extension hoses and retry.
Extension hose max. 50 m.
NB! Avoid long extension
hoses with many couplings.
> Wrong nozzle Replace lance.
> Air in the system Vent the system
(see section 3.7).
> Water inlet fi lter clogged up • Clean lter (see sect. 6.2).
No working pressure > Nozzle clogged up Clean nozzle (see sect. 6.3).
> No inlet water Check that the shut off cock
of the water inlet is open.
Check that the water supply
meets the requirements
(see section 1.2).
> High pressure cock of outlet Close all high pressure
point open. cocks not in use.
Machine starts and > Leaky hose/ Repair leak.
stops pipeline/spray handle
Machine stops > Water defi ciency Check that the shut off cock
(red lamp fl ashes) of the water inlet is open.
Check that the water supply
meets the requirements
(see section 1.2).
Check the water inlet fi lter.
> Oil shortage in pump Replenish with oil.
> Expiry of stand-by time Restart the machine.
> Thermal switches in motor Let the motor cool. Start
activated (red lamp fl ashes) the machine and check
that the working pressure is
> Thermal relay switched off not too high and that the
(red lamp fl ashes) mains voltage corresponds
to the specifi cations.
> Water temperature too high Lower the temperature of the
(red lamp fl ashes) inlet water to max. 70°C. By-
pass 80°C.
Should other malfunctions occur than those mentioned above, please contact your nearest Nilfi sk-
ALTO service organisation.
21


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  • Please advise the lubrication oil type(brand) used for our Nilfisk Alto Duo Booster HP Machine. Submitted on 25-7-2020 at 16:22

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Others manual(s) of Nilfisk-ALTO UNO BOOSTER EXTENDED

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