19
Trouble Shooting
Pump does not prime
•
No liquid in tank or not covering suction inlet.
•
Suction filter blocked.
•
Suction filter stop valve closed.
•
Suction filter bowl loose or missing O-ring.
•
Suction line loose allowing pump to suck air.
•
Master valve not
switched to “Off” position.
•
Pump valve springs broken or valves worn.
•
Three way drain tap not properly closed.
Pump does not reach correct pressure
•
Pump not operating at full 540 rpm.
•
Suction filter blocked.
•
Suction filter shut off valve partly closed
(Supaflo models).
•
Pressure regulator not correctly adjusted
•
Pressure regulator valve and seats worn.
•
Pressure gauge faulty
•
Pump diaphragms ruptured (pump oil grey).
•
Worn nozzles or capacity of nozzles greater
than capacity of the pump.
•
Chemical filler Rinse or Empty valves left open
(Supaflo models).
•
Pressure filter flushing valve left open.
Fan noisy and/or vibrating
•
Gearbox bearings worn.
•
Fan damaged or out of balance.
•
Tractor PTO incorrectly installed.
•
Hitch point and PTO geometry not correct.
Driveshaft noisy
•
PTO shaft not secured properly to shafts.
•
Universal joint crosses worn.
•
Hitch point and PTO geometry not correct.
Air volume reduced
•
Fan mesh blocked with leaves or debris.
•
Not operating at full speed of 540 rpm.
•
Fan gearbox not in gear.
•
Fan clutch worn or slipping.
Poor tank agitation
•
Chemical left in tank whilst not operating.
•
Chemical incorrectly mixed before filling.
•
Venturi agitator blocked or turned off.
Pump and hoses vibrating.
•
Pump surge chamber pressure incorrectly
adjusted or surge diaphragm ruptured.
•
Air entering the suction line through loose or
damaged fittings.
•
Pump valves or valve springs worn or
damaged.
•
Worn nozzles or capacity of nozzles greater
than capacity of the pump.
•
Air trapped in filter or suction lines.
