INSTRUCTIONS FOR USE
AGS 400-1200 EN
Rev.12/2018
93
16
POSSIBLE ERRORS
SIGNS OF ERROR
POSSIBLE REASON
CHECK / REPAIR
There is no liquid
coming out from the
nozzles even though
the main valve on the
flow regulator is
opened.
•
damaged or incorrectly
fitted valves in the
pump
•
closed manual valve
on the suction side
•
clogged
suction
of
pressure filter
•
air in suction line
•
check and if necessary replace
valves in the pump;
•
check the valves in the suction
line leading to the pump;
•
clean or replace the filter insert;
•
check the tightness of hose
junctions on the suction side.
The insecticide jet is
unsymmetrical.
•
inappropriate pressure
in the air chamber.
•
check the air pressure in the air
chamber and fill it according to
the diagram in the chapter
concerning the pumps
The pressure is falling
according to the
manometer or the
working pressure
cannot be reached.
•
the suction or pressure
filter is clogged;
•
the pressure hose is
broken;
•
the valve of the self-
cleaning filter is opened;
•
incorrectly chosen or too
worn nozzle inserts;
•
clean or replace the filter insert;
•
replace the hose;
•
close the valve of the self-cleaning
filter;
•
check the flow rate through the
nozzles – if it is bigger than 10%,
replace the nozzles;
The pressure on the
manometer is strongly
swinging.
•
there is some air inside
the suction line;
•
the membranes are
damaged.
•
check the tightness of the hose
junctions on the suction side;
•
stop the pump immediately;
•
replace the membranes and the oil
inside the pump;
The pump is noisy.
•
too low oil level;
•
exceeded maximum rpm
•
control the oil level and add some if
necessary;
•
control the rpm of the pump.
There is some
insecticide in the oil of
the pump.
•
- damaged membranes.
•
stop the pump immediately;
•
replace the membranes and the
oil
•
inside the pump;
•
before
mounting
new
membranes,
•
thoroughly clean the inside of
the
•
pump with diesel oil.
