Rain Bird HDF 1X2, User Manual

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Maintenance of the Equipment . The maintenance intervals depend on the operating conditions,
characteristics of water to be filtered, length of operation, number of backflushings, recuperation of
the differential pressure after the backflushings. Rain Bird recommends maintenance be
performed every three month for components which means the disassembly of the filtering
element. The actual frequency should be determined by the user according to the particular
characteristics of their installation
.
• Be sure the equipment is depressurized before exposing the
interior of the equipment to the atmosphere.
• All maintenance should be performed by a qualified professional.
• The maintenance frequency should be determined by the user according to the
particular conditions of their installation.
DAILY ACTION
1. Visual inspection of the
equipment
2. Check for leakage in the
equipment
3. Check the Operation Conditions
(pressure, temperature, flow rate,
PH).
4. Evaluation of the equipment head
loss (P1* - P2*)
PERIODIC ACTION
1. Check the base o-ring
2. Check the filters cleaning state. If they are
very dirty, clean the discs manually.
3. Manually activate a backflush to check
operation of the backflushing phases to
confirm all the stations are operating
correctly.
4. Check gaskets.
5. Check the elements of the piston.
6. Check ¾” intake filter
7. Check ¼” intake filter.
8. Maintenance of grooved couplings.
Below are some general maintenance recommendations:
• Every time you start the equipment perform a visual inspection
• Do not allow particles to dry in the discs. Activate a backflush just before stopping the
equipment, if it will not be used for an extended period of time.
• Watch the equipment head loss as well as its recovery after backflushes.
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9. MAINTENANCE