agrifac ENDURANCE, User Manual

Page: 146 / 184

TROUBLESHOOTING
146
Endurance2-UM-2018-20-R0-en-2020420
SPRAY PUMP (ALTEK P500)
Problem Possible cause Solution

The pump has no
suction power Clogged suction filter Clean / replace the filter ele-
ment 126
Suction filter cap not tightened Tighten the filter cap
Loose fittings Tighten the fittings
Leaking hoses Replace the hoses
Leaking diaphragms Replace the diaphragms 124
Worn inlet or outlet valve Replace the valve
Damaged valve seat Replace the cylinder head or
replace the pump
The pressure is too
low or is fluctuating Clogged suction filter Clean / replace the filter ele-
ment 126
Suction assembly pulls in false
air Check for leaks
Clogged pressure filter Clean / replace the filter ele-
ment 127
Loose fittings Tighten the fittings
Leaking diaphragms Replace the diaphragms 124
Pressure regulator not working Repair the pressure regulator
(seals / diaphragm)
Worn inlet or outlet valve Replace the valve
Damaged valve seat Replace the cylinder head or
replace the pump
Driving speed signals not re-
ceived (or too few): defective
sensor in the wheel motor Replace the sensor
Spray flowmeter signals are
duplicated Replace the flowmeter
The pressure is too
high Clogged pressure filter Clean / replace the filter ele-
ment 127
Driving speed signals duplicat-
ed: defective sensor in the
wheel motor Replace the sensor
Spray flowmeter does not turn Disassemble and clean the
flowmeter 128
Spray flowmeter signals not
received Replace the flowmeter