ITC FERTIC Mode D'emploi page 18

6.MAINTENANCE 6.MAINTENANCE
GB GB
Clean the fertilizer suction and pressure inlet filters. Clean the fertilizer suction and pressure inlet filters.
At the end of season, or if very aggressive or precipitable liquids have been At the end of season, or if very aggressive or precipitable liquids have been
injected, the pump must be cleaned by injecting clean water thought the pump to injected, the pump must be cleaned by injecting clean water thought the pump to
the irrigation network. the irrigation network.
PROBLEM PROBLEM
THE PUMP WORKS BUT THE PUMP WORKS BUT
DOES NOT INJECT DOES NOT INJECT
FERTILIZER IS LOST FERTILIZER IS LOST
THROUGH THE OUTLET THROUGH THE OUTLET
THE PUMP DOES NOT THE PUMP DOES NOT
WORK WORK
PUMP DRAINS IN EXCESS PUMP DRAINS IN EXCESS
PUMP WORKS MORE PUMP WORKS MORE
SLOWLY THAN USUAL SLOWLY THAN USUAL
CAUSE CAUSE
IRRIGATION VALVE CLOSED IRRIGATION VALVE CLOSED
DIRTY FERTILIZER FILTER DIRTY FERTILIZER FILTER
SUCTION OR IMPULSION SUCTION OR IMPULSION
RETENTION VALVES DIRTY OR RETENTION VALVES DIRTY OR
DAMAGED DAMAGED
COLLAR WORN OUT COLLAR WORN OUT
COLLAR WORN OUT COLLAR WORN OUT
CYLINDER DAMAGED CYLINDER DAMAGED
FERTILIZER SUCTION, INJECTION, FERTILIZER SUCTION, INJECTION,
PRESSURE INLET OR PRESSURE INLET OR
REGULATION TURRET VALVES REGULATION TURRET VALVES
CLOSED CLOSED
LACK OF WATER PRESSURE LACK OF WATER PRESSURE
DRAINAGE CLOSET DRAINAGE CLOSET
DRAINAGE LEVEL HIGHER THAT DRAINAGE LEVEL HIGHER THAT
THE PUMP THE PUMP
COLLAR WORN OUT COLLAR WORN OUT
REGULATION TURRET OR REGULATION TURRET OR
WORKING VALVES ALMOST WORKING VALVES ALMOST
CLOSED CLOSED
DIRTY FILTERS DIRTY FILTERS
18 18
SOLUTION SOLUTION
OPEN IT OPEN IT
CLEAN IT CLEAN IT
THEY MUST BE THEY MUST BE
DISASSEMBLED AND DISASSEMBLED AND
CLEANED OR CHANGED, CLEANED OR CHANGED,
AND ASSEMBLED AGAIN AS AND ASSEMBLED AGAIN AS
INDICATED IN THE FIGURE INDICATED IN THE FIGURE
CHANGE IT CHANGE IT
CHANGE IT CHANGE IT
OPEN THEM OPEN THEM
WORKING PRESSURE 1TO WORKING PRESSURE 1TO
12 BAR 14 TO174PSI 12 BAR 14 TO174PSI
UNBLOC IT UNBLOC IT
DRAINAGE LEVEL CAN NOT DRAINAGE LEVEL CAN NOT
BE ABOVE THE PUMP LEVE BE ABOVE THE PUMP LEVE
CHANGE THEM CHANGE THEM
OPEN THEM OPEN THEM
CLEAN THEM CLEAN THEM