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PROBLEM
CAUSE
Pump motor cycles on and off rapidly.
System pressure is reaching maximum
(OK) for short periods of time.
setting of pump's pressure switch.
Pressure too low
Bypass valve open too far.
Tank strainer dirty.
Nozzle strainers dirty.
Nozzles set too low.
Nozzles donlt po!nt straight down.
Pressure OK but boom spray weak
Boom spray pattern does not overlap
enough in the middle
CORRECTION
Decrease the system pressrure by
increasing the opening of the bypass
valve.
Decrease opening of bypass valve.
Remove strainer and clean.
Remove strainers and clean.
Adjust boom arms. See page _.
Rotate nozzle open!ng down.
12
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