Maintenance Instructions - AZUD HELIX AUTOMATIC 201 DLP User Manual

- Pressure equipment: Make sure that the filter is depressurized before opening it.
- For the Equipment's operation, use the adequate personal protection (adequate clothes,
protective glasses, gloves and other elements of personal protection ...).
- Do not forget to adjust the safety lock of the clamp. It will avoid its accidental opening.
- It is recommended the installation of an upstream and downstream valve to isolate the
system during maintenance operations.

7. Maintenance Instructions.

- Be sure the Equipment is depressurized before making any operation which
expose in contact the interior of the equipment with the atmosphere.
- The maintenance labours should be made by qualified staff.
Maintenance Plan of the Equipment. The period between revisions depends on the operation
conditions, characteristics of water to be filtered, operation hours, number of backflushings, recuperation
of the differential pressure after the backflushings.... AZUD recommends three months between the
different revisions of components which imply the disassembly of the filtering element. This period
should be determined by the user according to the particular characteristics of his installation.
For the identification of the components check section components of the manual
7.1 Maintenance Summary Box.
1. Visual inspection of the Equipment
2. Checking there are not leakages in the Equipment
3. Checking of the Operation Conditions (pressure, temperature, flow rate, pH).
4. Vigilance of the Equipment head loss (P1* - P2*)
1. Checking of the base o-ring
2. Checking of the filters cleaning state. If they are too dirty, clean the discs manually.
3. Manual activation of a backflush to check that the backflushing phases of all the stations are
carried out correctly.
4. Gaskets checking
5. Checking the elements of the piston.
6. Checking of auxiliary Filter
7. Checking ¼" intake filters.
8. Maintenance of grooved couplings.
* : P1 and P2 are the pressure in the inlet and outlet manifold. Their difference is the head loss of the Equipment.
Water Filtration Solutions
DAILY ACTIONS
PERIODICAL ACTIONS
18