STF-Filtros FMA-3000, Installation, Operation And Maintenance Manual

Page: 23 / 41

Installation, Operation and Maintenance Manual – FMA 3000
Ref: 3000/T/6/VH 23
11. – PREVENTIVE MAINTENANCE SCHEDULE
MAINTENANCE FREQUENCY ITEM ACTION
EXTERNAL
Check operation 6 months Entire filter
Manual cleaning cycle.
Check:
 Hydraulic piston drainage.

Open valve.

Effective cleaning cycle (achieve P
1
= P
2
)
Anticorrosion
treatment
12 months
FMA housing
(item 2)
Review anticorrosion treatment on required points.
Apply Epoxy – Polyester treatment
Piston 6 months
Piston
(item 2)
Remove hydraulic piston.
Remove scale deposits from the stem.
Pressure line 1 week
Intake filter
(item 20)
Clean the intake filter and microtubes which bring water
to flush valve.
INTERNAL
Anticorrosion
treatment
12 months
FMA housing
(item 2)
Review anticorrosion treatment on required points.
Apply Epoxy – Polyester treatment
Suction nozzles 12 months
Suction nozzle
(item 15.13)
Check the condition of suction nozzles, bristles, proximity
to the cartridge.
Filtering cartridge Periods of inactivity
Filtering cartridge
(item 14.1)
Perform a manual cleaning using water under pressure.
Use acid or other chemicals if necessary.
Gaskets 12 months
Internal gaskets
 Item 6
 Item 13
 Item 20.5

Item 20.8

Item 20.9
Check internal gaskets, replace if damaged.