Alto 30HA STANDARD I/MASTER I Kullanım Kılavuzu - Sayfa 16
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6.0 Maintenance
6.1 General
To ensure that your ALTO high pressure washer is always in an operational condition it is advisable to
have it checked by a ALTO service technician at regular intervals. 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 the occasion requires.
We recommend you to store the machine 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.
If the room is not frost-free the machine should be protected with an anti-freeze solution.
See section »3.8 Storage - frost protection«.
Replace fuel filter as the occasion requires.
6.2 Descaling of coil
If your water supply is of a "soft" or "medium" quality, i.e. less than 15dH (German degree of hardness) a
descaling may not be required. However, on condition that the anti-incrustant "No Scale" is always filled in.
If the hardness of the water is above 15dH, the machine should be descaled at least once the year or as
the occasion requires. Scale deposits in the spray lance or reduced heat rating indicate that a descaling is
required.
Descaling as follows:
1. Detach high pressure hose.
2. Turn on the inlet water.
3. Insert the suction hose for the detergent (12) in a container with descaler, ALTO Stonex.
4. Adjust the dosing unit to step 5 (see section 3.1.6).
5. Start the machine in cold water mode.
6. Stop the machine when the water escaping the outlet socket has been coloured by the descaler.
Warning: The mixture may be caustic!
Don't empty the container completely to prevent air from getting into the system.
7. Let the machine stand for 20 minutes.
8. Place the suction hose (12) in a container with clean water.
9. Start the machine and let it run 5-10 minutes to have the descaler out of the system.
10. If required, repeat the procedure from item 3-9.
11. Adjust the dosing unit to step 0, and the machine is ready for operation.
Note: The descaling should always be carried through in accordance with the instructions on the descaler
product.
6.3 Cleaning of high pressure nozzle
A clogging up in the nozzle causes a pump pressure which is too high and cleaning is immediately required.
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.
14
GB