INSTRUCTIONS FOR USE
AGS 1800 - 2000 EN-HV (HVB)
Rev.9/2018
116
17
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.
