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