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Slow or jerky operation
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Cold hydraulic oil.
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Run engine and cycle loader.
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Use low viscosity hydraulic oil in cold weather. (See your tractor Operator's Manual or your John Deere dealer.)
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Low hydraulic oil.
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See tractor Operator's Manual.
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Poor oil circulation.
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Check transmission/hydraulic oil filter.
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Engine speed too slow.
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Increase engine speed.
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Internal cylinder leakage.
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Test cylinders for internal leaks. Install cylinder repair kit. (See your John Deere dealer.)
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Faulty tractor hydraulic system.
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See your John Deere dealer.
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Faulty quick-connect coupler.
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See your John Deere dealer.
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Overfilling bucket or attachment.
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Reduce load.
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Oil leaks
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Defective fitting or hoses.
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Replace defective parts. (See your John Deere dealer.)
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Loose connections.
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Tighten fittings. (See TIGHTENING PROCEDURE FOR FITTINGS in Service section.)
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Worn or damaged O-ring or wiper seal in cylinder rod end.
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Install cylinder repair kit. (See your John Deere dealer.)
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Only one mast engages mounting frame
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Loader on uneven ground.
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Be sure to park loader on even ground when detaching.
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Difficult to connect hydraulic coupler
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Hydraulic system pressurized.
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Relieve pressure.
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Insufficient lift capacity
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Load is greater than loader lift capacity.
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See Specifications section.
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Internal lift cylinder leakage.
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Install cylinder repair kit. (See your John Deere dealer.)
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| Symptom |
Problem |
Solution |
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Loader functions do not correspond to multi-function control lever movement
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Improperly connected hydraulic hoses.
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Connect hydraulic hoses correctly. (See IDENTIFYING HOSE CONNECTIONS in Service section.)
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Cylinders inoperative
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Hose improperly connected.
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Connect hoses correctly. (See IDENTIFYING HOSE CONNECTIONS in Service section.)
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Defective quick-connect coupler.
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See your John Deere dealer.
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Bucket tines bend or break
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Only a few tines were under load.
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Be sure three or more tines are under load.
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Excessive wear on bucket cutting edge and wear pads
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Not using FLOAT position.
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Use FLOAT position. (See USING FLOAT in Controls section.)
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Excessive wear on bucket cutting edge
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Bucket is riding on cutting edge instead of wear pads.
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Use bucket level indicator to ensure bucket rides on wear pads. (See Attachments section.)
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Bucket or loader drifts down from raised position
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Leak in hydraulic circuit.
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Tighten fittings. (See TIGHTENING PROCEDURE FOR FITTINGS in Service section.)
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Worn or Damaged O-rings in Tractor Selective Control Valve (SCV)
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Repair SCV. (See your John Deere dealer.)
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Internal leakage in loader cylinders.
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Install cylinder repair kit. (See your John Deere dealer.)
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