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Inner boom section does not fold out.
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Faulty switch.
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Replace switch.
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Load sense jamming valve not working.
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See your John Deere dealer.
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|
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Damaged or corroded electrical connections.
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Repair, replace or clean electrical connection.
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|
|
Failed solenoid coil or relay.
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Replace coil or relay.
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Sticking hydraulic spool.
|
Remove hydraulic spool and clean or (See your John Deere dealer.)
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|
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Check valve stuck shut in load sense line.
|
Remove and clean check valve or (See your John Deere dealer.)
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|
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Plugged orifice or hydraulic line.
|
Remove and clean orifice or hydraulic line.
|
|
|
Faulty inner boom fold cylinder.
|
See your John Deere dealer.
|
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Outer boom section does not fold out.
|
Faulty switch.
|
Replace switch.
|
|
|
Load sense jamming valve not working.
|
See your John Deere dealer.
|
|
|
Damaged or corroded electrical connections.
|
Repair, replace or clean electrical connection.
|
|
|
Failed solenoid coil or relay.
|
Replace coil or relay.
|
|
|
Sticking hydraulic spool.
|
Remove hydraulic spool and clean or (See your John Deere dealer.)
|
|
|
Check valve stuck shut in load sense line.
|
Remove and clean check valve or (See your John Deere dealer.)
|
|
|
Plugged orifice or hydraulic line.
|
Remove and clean orifice or hydraulic line.
|
|
|
Faulty inner boom cylinder switch.
|
See your John Deere dealer.
|
| Symptom |
Problem |
Solution |
|
|
Faulty outer boom fold cylinder.
|
See you John Deere dealer.
|
|
Outer boom section folds out part way and stops.
|
Hydraulic cylinder magnetic switch releases.
|
Fold boom and retry unfolding procedure.
|
|
Inner boom section does not fold in.
|
Faulty switch.
|
Replace switch.
|
|
|
Load sense jamming valve not working.
|
See your John Deere dealer.
|
|
|
Damaged or corroded electrical connections.
|
Repair, replace or clean electrical connection.
|
|
|
Failed solenoid coil or relay.
|
Replace coil or relay.
|
|
|
Sticking hydraulic spool.
|
Remove hydraulic spool and clean or (See your John Deere dealer.)
|
|
|
Check valve stuck shut in load sense line.
|
Remove and clean check valve or (See your John Deere dealer.)
|
|
|
Plugged orifice or hydraulic line.
|
Remove and clean orifice or hydraulic line.
|
|
|
Faulty outer boom cylinder switch.
|
See your John Deere dealer.
|
|
|
Faulty inner boom fold cylinder.
|
See your John Deere dealer.
|
|
Inner boom section folds in part way and stops.
|
Hydraulic cylinder magnetic switch releases.
|
Unfold boom and retry folding procedure.
|
|
Outer boom section does not fold in or inner boom folds in before outer boom folds in.
|
Faulty switch.
|
Replace switch.
|
|
|
Load sense jamming valve not working.
|
See your John Deere dealer.
|
|
|
Damaged or corroded electrical connections.
|
Repair, replace or clean electrical connections.
|
|
|
Failed solenoid coil or relay.
|
Replace coil or relay.
|
|
|
Sticking hydraulic spool.
|
Remove hydraulic spool and clean or (See your John Deere dealer.)
|
| Symptom |
Problem |
Solution |
|
|
Check valve stuck shut in load sense line.
|
Remove and clean check valve or (See your John Deere dealer.)
|
|
|
Plugged orifice or hydraulic line.
|
Remove and clean orifice or hydraulic line.
|
|
|
Faulty outer boom fold cylinder.
|
See your John Deere dealer.
|
|
Boom will not return to level after rolling in either direction or boom will not roll freely.
|
Suspended center frame binds at wear plates or center mounting bearings too far forward on shaft.
|
See your John Deere dealer.
|
|
Boom does not raise or lower.
|
Faulty switch.
|
Replace switch.
|
|
|
Load sense jamming valve not working.
|
See your John Deere dealer.
|
|
|
Damaged or corroded electrical connections.
|
Repair, replace or clean electrical connection.
|
|
|
Failed solenoid coil or relay.
|
Replace coil or relay.
|
|
|
Sticking hydraulic spool.
|
Remove hydraulic spool and clean or (see your John Deere dealer.)
|
|
|
Check valve stuck shut in load sense line.
|
Remove and clean check valve or (see your John Deere dealer.)
|
|
|
Faulty lift cylinders.
|
See your John Deere dealer.
|
|
|
Hydraulic compensator pressure not to specification.
|
See your John Deere dealer.
|
|
Boom lift raises too fast.
|
Orifice in hydraulic line is missing.
|
Install correct size orifice.
|
|
One individual boom function does not stop when switch is released or is slow to release.
|
Sticking or faulty switch.
|
Repair or replace switch.
|
|
|
Sticking hydraulic spool assembly.
|
Clean spool assembly or (see your John Deere dealer.)
|
|
|
Faulty solenoid valve.
|
Repair or replace solenoid valve.
|
|
|
Load sense jamming valve not working.
|
See your John Deere dealer.
|