66
14.4
MAINTENANCE PLAN FOR SEWAGE TREATMENT PLANT ECOMAR S
P/N SCHEDULE
COMPONENT
MAINTENANCE ROUTINE
WARNINGS IF NEGLECTED
1
Every day
The whole ECOmar S plant.
System general check and inspection.
Undetected malfunctioning could occur.
2
Every day
Hydrogen Peroxide tank;
ECOFLOC tank.
Check the level of the chemical products.
Note:
The level must never be below 10 cm.
Undetected plant malfunctioning, due to H
2
O
2
,
ECOFLOC or both solutions missing, could occur.
3
Every month /
On condition
Hydrogen Peroxide tank;
ECOFLOC tank.
Add chemical products if necessary.
Note:
The level must never be below 10 cm.
Sewage treatment is NOT possible without chemical
products.
4
Every month
Air intake
• Check if air is released properly.
• Check that air intake is not obstructed.
• Check if exhaust pipe is straight in vertical dimension.
Burst of the treatment tank.
5
Every 1-2 months /
On condition
Level probe(s)
(inside ECOmar S treatment tank)
Uninstall and clean the floating probes, installed on
treatment tank.
Dirty probe gives no signal, so in case of no signal
to the electronic card then the treatment tank might
get overfull and liquids could escape from the air
outlet.
6
Every 2 months
Dosing pumps
Inspection of the suction ball check valve and
discharge ball check valve.
In case of obstruction clean the valves with fresh water.
In case of corrosion replace the valves.
Dosing pumps stop working and consequently the
sewage does not get properly treated.
7
Every 3 months /
On condition
Stainless Steel and PVC fittings
Inspection.
In case of leakage tighten properly with dedicated tool.
Leakages.
8
Every 3 months
Supplied Level Probes
(inside collecting tank)
Clean the contacts with abrasive paper.
Probe may not work properly due to oxidation.
Misleading or missing level signals.
9
Every 3 months /
On condition
Sterilizer of U.V. Sterilizing System
Empty the system radiation chamber, remove the quartz
tube(s) and clean or replace quartz tube(s), if necessary.
Undetected plant malfunctioning, due to U.V.
Sterilizing system out of service, could occur.
10
Every 3-6 months
3-Way Discharge Valve (V1)
(controlled by motorized actuator);
3-Way Sludge Discharge Valve (V2)
(controlled by motorized actuator).
Check the correct activation / de-activation of 3-Way
valve, without any blockage (refer to
COMMON
PROBLEMS AND TROUBLESHOOTING
section).
Correct system operation impossible in case of
locked valves. Motorized actuators burn due to dirty
gear.
11
Every 3-6 months
Filling pump(s)
Macerating pump
Seawater pump
Discharge pump
*
Check and, if needed, replace:
- seal kits
- impellers
System does not work effectively.
