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5.0 Pre-priming
The pressure washer is pre-priming, and the water can be taken from a tank, a stream or the like. The
suction height depends on the water temperature. Max. suction height of 3 m is reached with cold water
(up to 12°C). If there is a risk of impurities (such as running sand) in the inlet water, an external filter must
be mounted beyond the internal filter. Please contact your ALTO distributor for further information.
6.0 Maintenance
Your ALTO high pressure washer is maintenance-free and therefore no special qualifications are required
for the daily use.
However, it applies to the most exposed components that a minimum of maintenance ensures a prolonged
and problem-free operation. Therefore it will be a good idea to make a habit of the following:
Before mounting the water hose and the high pressure hose the quick couplings should be
cleaned of dust and sand.
Before mounting spray lance or any other accessory on the spray handle, the machine should
be started and the quick coupling cleaned of dust and sand.
In periods where detergents are not used the injector system should be flushed through with
pure water to avoid drying up/clogging up of soap in the system.
The water filter should be cleaned once a month or more frequently as occasion requires.
The machine should be stored in a frost-free room. If by mistake the machine freezes up, it
must not be started. Let machine, hoses and accessories thaw up before starting up. NEVER
START A FROZEN UP MACHINE.
6.1 Cleaning of high pressure nozzle
A clogging up in the nozzle causes a pump pressure which is too high, and cleaning is immediately re-
quired.
1. Stop the cleaner and dismount the spray lance.
2. Clean the nozzle with ALTO nozzle cleaning tool no. 6401654.
IMPORTANT: ONLY use the cleaning tool when the spray lance is dismounted!
3. Flush the spray lance backwards with water.
4. If the pressure is still too high, repeat items 1-3.
12
(only 40C)
GB
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