45
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8.4. Preventive/regular maintenance
8.4.1. Rinsing the injector (MH42 / MP42)
1.
2.
3.
Note:
8.4.2. Change of injector (MH42 / MP42)
1. Turn off power supply.
2. Turn off water and air supply.
3.
4.
5.
8.4.3. Descaling (MH42 / MP42)
°dH ppm Time between deliming
12 months
>20 1 to 3 months
Manual block system (MH42 / MP42)
the air fittings.
11. Test the unit in foam position, making sure the
and rinse positions.
8.4.4. Coupling
•
month) with waterproof grease to prevent leaks
•
•
•
•
•
•
•
•
8.4.5. Internal cleaning of the unit
•
where it is installed.
• Avoid spraying inside the unit.
•
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