77
Troubleshooting
Problem
Cause
Remedy
Pump speed too fast for size of nozzle.
Lower pump speed,change nozzles, or slow down.
Pump speed too slow.
Increase pump speed or speed up.
Nozzles not at proper angle.
Adjust angle of nozzles / check for correct nozzles.
Spray bar at improper height above ground.
Adjust spray bar height.
Material temperature too low.
Heat material to correct temperature.
Pump speed too slow.
Adjust pump speed.
One or more control valves in
Check position of all control valves. Be sure
incorrect position, not fully opened
all valves are fully opened or closed.
or closed, or leaking.
Repair leaking valves as necessary.
Suction strainer plugged.
Clean suction strainer.
Spray bar linkages not adjusted correctly.
Adjust linkage.
Material in tank or pump below
pumping temperature.
Heat material to proper pump temperature.
Air leak in suction line from reservoir
to filter to inlet of charge pump.
Locate and repair leak.
Hydraulic system pressure low.
Raise pressure.
Low oil in hydraulic reservoir.
Add hydraulic oil to correct level.
Defective Hyd. motor.
Check for excessive case drain in motor.
Material in tank or pump below
pumping temperature.
Heat material to proper pump temperature.
Air leak in suction line from reservoir
to filter to inlet of charge pump.
Locate and repair leak.
Low oil in hydraulic reservoir.
Add hydraulic oil to correct level.
Ball joint O-ring is loose.
Replace ball joint O-ring.
Quantity of material in tank not being
Use Etnyre measuring stick for accurate readings.
measured accurately.
Be sure tank is level when measuring.
Suction strainer plugged.
Clean suction strainer regularly.
Hydrostatic controls not firmly positioned.
Ensure that all controls are firmly locked in place.
Suck back valves not fully closed.
Ensure valve is closed.
Inaccurate Feet per minute
Re-calibrate Radar.
Spray Fogs
Spray Streaks
Spray Lacks
Pressure
All Nozzles Do Not
Cut Off Spray
Pump Will Not Turn
Or Turns Slowly
Hydraulic Oil
Overheats
Spray Bar Supply
Tube Ball Joints
Leak
Application Rate
Varies
Troubleshooting
Valves binding
Air pressure too low. Max 118 PSI