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Linkages binding.
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Frozen or worn ball joints on cable.
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Lubricate or replace.
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Control cable binding.
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Replace cable.
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Control lever on pump binding.
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See your John Deere dealer.
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System overheating.
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Oil cooler core plugged.
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Clean oil cooler.
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Fan belt slipping or broken.
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Replace belt or tensioner.
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Exceeding relief valve pressure.
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Shift down one speed range.
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Side screens plugged.
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Clean screens.
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Low on oil.
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Check for leak and correct.
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Excessive high pressure leakage.
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See your John Deere dealer.
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Charge flush is inadequate.
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See your John Deere dealer.
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Loop flush is inadequate.
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See your John Deere dealer.
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Plugged oil cooler bypass valve.
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See your John Deere dealer.
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Sprayer will not travel forward or reverse.
1
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Drive system inoperative.
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Check pump, motor and hydro cable or see your John Deere dealer.
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Low on oil.
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Check for leak and correct. Fill hydraulic reservoir with oil to center of sight tube.
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Air leak in system.
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Tighten connections.
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Broken drive shaft from engine to pump.
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Repair as needed.
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Plugged hydrostatic filter.
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Change filter element.
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Exceeding limiter pressure.
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Shift to low speed.
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Hydro linkage improperly adjusted.
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Adjust hydro linkage.
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| Symptom |
Problem |
Solution |
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Ground travel speed erratic.
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Low on oil.
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Check for leaks and correct. Fill hydraulic reservoir to center of sight tube.
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Plugged hydrostatic filter.
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Change filter element.
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Exceeding limiter pressure.
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Shift down one speed range.
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Drive system unable to maintain charge pressure.
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See your John Deere dealer.
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Plugged shift orifice.
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Could be something wrong inside motor so swashplate angle is not changing.
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Wheel speed sensor faulty.
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Repair or replace.
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Blown or leaking shift hoses.
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Repair or replace.
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Radar picking up signals from tall crops.
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Disconnect radar and use wheel speed sensor.
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Sprayer not responding to speed range switch.
1
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Bad fuse.
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Replace fuse.
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Defective solenoids or switches.
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Check and repair as needed.
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Drive system unable to build up charge pressure.
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See your John Deere dealer.
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Faulty hydrostatic motor.
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See your John Deere dealer.
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Plugged hydrostatic filter.
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Change filter element.
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Air in system.
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Tighten connections, hose clamps, and check for broken hydraulic lines.
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Low on hydrostatic oil.
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Check for oil leaks and correct. Fill hydraulic reservoir to center of sight tube.
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Operating sprayer in too high of range.
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Shift to lower range.
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| Symptom |
Problem |
Solution |
|
Lack of power or loss of power.
1
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Low on hydrostatic oil.
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Check for leaks and correct. Fill hydraulic reservoir to center of sight tube.
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|
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Plugged oil filter.
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Change filter element.
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Leaking or broken oil line or connection.
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Check and repair as necessary.
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Drive system unable to maintain or build up pressure, or relief pressures incorrectly set.
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See your John Deere dealer.
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Excessive high pressure leakage.
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See your John Deere dealer.
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Sprayer will not start in neutral or will start when hydro lever is in any operational position.
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Bad fuse.
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Replace fuse.
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Neutral safety switch out of adjustment, faulty wiring or inoperative switch.
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Check wiring connections or see your John Deere dealer.
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Hydro cable out of adjustment.
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See your John Deere dealer.
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Power wheels/motors will not engage.
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Hydrostatic system out of oil.
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Check oil level for leaks and correct. Fill hydraulic reservoir to center of sight tube.
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Damaged or faulty wheel motors.
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See your John Deere dealer.
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Hoses incorrectly connected.
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Correctly connect hoses. See your John Deere dealer.
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Drive hubs disengaged.
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Engage drive hubs.
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Damaged or faulty drive hubs.
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See your John Deere dealer.
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Faulty wheel motor/hub coupling.
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See your John Deere dealer.
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