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Speed Range Selector Will Not Go In Reverse.
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Bent or broken parts in control linkage.
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Repair or replace as required.
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Linkages Binding.
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Frozen or worn ball joints on control cable.
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Lubricate or replace.
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Bell crank or pivots binding.
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Lubricate or replace.
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Control cable kinked or frozen.
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Replace if needed.
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System Overheats.
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Oil cooler or radiator plugged.
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Blow air through core and clean.
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Lack of charge oil flow.
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See your John Deere dealer.
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Engine fan belt slipping or broken.
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Check for worn belt.
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Plugged oil filter.
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Change filter.
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Exceeding relief valve pressure.
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Shift to lower gear.
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Relief valve stuck closed.
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See your John Deere dealer.
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By-pass valve fails to close.
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See your John Deere dealer.
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High Oil Loss.
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Loose connections or leaking hydraulic lines, hoses or O-rings.
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Tighten connections or replace damaged lines, hoses or O-rings.
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Hydrostatic drive units leaking.
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See your John Deere dealer.
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| Symptom |
Problem |
Solution |
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Combine Will Not Move Forward or Reverse.
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Transmission out of gear.
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Shift transmission.
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Low on oil.
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Check for leaks and correct. Fill reservoir.
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Air leak in system.
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Tighten connections.
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Control linkages broken or loose.
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Tighten loose linkages or replace as needed.
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Lack of charge flow or charge pressure.
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See your John Deere dealer.
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Plugged filter.
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Change filter.
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Exceeding maximum operating pressure setting.
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Shift to lower gear.
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Drive system unable to build up pressure.
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See your John Deere dealer.
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Relief valve open.
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See your John Deere dealer.
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Transmission Hard to Shift or Will Not Shift.
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Speed range control lever not in neutral.
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Move control lever to neutral.
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Transmission shift linkage out of adjustment.
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Adjust transmission shift linkage.
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Damaged, dirty, rusty or pinched shift cable.
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Inspect, clean, adjust or replace cable.
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Internal transmission problem.
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See your John Deere dealer.
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| Symptom |
Problem |
Solution |
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Ground Travel Speed Erratic.
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Low oil.
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Check for leaks and correct. Fill reservoir.
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Oil leak from lines.
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Tighten line connections and clamps or replace as needed.
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Plugged filter.
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Change filter.
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Exceeding maximum operating pressure setting.
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Shift to lower gear.
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Speed control lever creeps toward neutral.
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See your John Deere dealer.
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System unable to keep charge pressure.
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See your John Deere dealer.
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Combine Will Not Stop When Speed Range Selector is in Neutral Position.
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Control cable out of adjustment.
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Adjust cable for neutral position.
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Lack of Power or Lost Power. Combine Not Responding To Speed Range Selector.
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Low on oil.
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Check for leaks and correct. Fill reservoir.
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Plugged filter.
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Change filter.
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Lack of charge flow or charge pressure.
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See your John Deere dealer.
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Leaking or broken oil line or connection.
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Check and repair as needed.
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