69
HARDI
MEGA 230 / 350 CENTRIFUGAL OPERATORS MANUAL
11.0 TROUBLESHOOTING
11.1 General Spray Systems
Problem
Cause
1. No liquid getting to the pump.
2. Lack of pressure.
3. Pressure jumping.
A. Bottom of Suction Tube plugged.
B. Valve on Suction Manifold not in
correct position.
C. Suction filter O-ring air leak.
A. Bottom of suction tube plugged.
B. Motor shaft coupling loose or fork
pin missing.
C. Bad seat on spool valve for boom
section control.
D. PTO speed not fast enough.
E. Valve on Suction Manifold not in
correct position.
F. Bad suction valve or suction side
air leak.
G. PTO not engaged.
H. Valves on Pressure Manifold not in
correct position.
I. Agitation nozzles worn or missing.
A. Output from by-pass lines causing
a disturbance around suction
hose.
B. Small tear or pin hole in suction
hose.
C. PTO shaft slipping on pump
shaft.
D. Bad suction valve or suction side
air leak.
E. Valves on Pressure Manifold not
in correct position.