39
16) SPRAYER PRESSURE IS CORRECT
BUT RATE IS LOW.
17) TOTAL VOLUME DOES NOT REGIS-
TER.
18) TOTAL VOLUME REGISTERS FLOW
INACCURATELY.
19) MOTORIZED CONTROL VALVE
ROTATES MORE THAN 1/4 TURN.
20) WATER INSIDE COVER OF
MOTORIZED CONTROL VALVE.
21) BOOM SOLENOID(S) WILL NOT
OPERATE.
1) Verify that nozzle strainer screens
or check valves are not plugged.
2) Verify that pressure at each boom
is the same.
3) Verify all nozzles are of proper
a
nd same orifice size. See "CALCULATING
RATE CAL" section of Installation Manual.
1) Disconnect Speed Sensor from Console.
2) Check Flow Meter Cable for breaks and
shorts. See Appendix 4 for test procedure.
3) Check internals of Flow Meter; clean and
adjust. See Appendix 5 for Flow Meter
cleaning and adjustments.
4) Replace Flow Meter Transducer.
1) Verify that arrow on Flow Meter is pointing
in direction of flow. See Appendixes 3
and 4.
1) Replace motorized Control Valve.
1) Replace Isolation Flange Assembly and
coupler shaft.
2) Replace entire motorized Control Valve, if
PC board or motor is corroded and will not
run.
1) Check cable for wires with breaks.
2) Check connectors for cleanliness.
3) Check BOOM switch and MASTER switch
for operation.
4) Replace Boom Valves.
