Troubleshooting
| Symptom | Problem | Solution |
|
Spinner motors do not turn when spinner control valve
is in running position or conveyor does not run when controller is
in manual mode.
| Hydraulic oil level low. |
Add hydraulic oil as
necessary to maintain level around mid-point of sight gauge.
|
| |
Hydraulic Pump is not rotating.
|
Refer to John Deere
4 Series manual.
|
| |
Relief valve set too low.
|
Refer to John Deere
4 Series manual.
|
| |
Worn pump.
|
Refer to John Deere
4 Series manual.
|
| |
Jammed or frozen spinner motors.
|
Free up. If not possible,
replace as required.
|
| |
Jammed or frozen conveyor.
|
Free up conveyor.
|
| |
Jammed or frozen conveyor hydraulic motor.
|
Replace motor.
|
|
Spinners turn but conveyor does not run in manual mode.
| Relief valve open to return line. |
Using relief valve testing
adapter and flowmeter, test valve for opening pressure. If pressure
is not 13,800 kPa (138 bar) (2000 psi), replace relief valve.
|
| |
Jammed or frozen conveyor.
|
Free up conveyor.
|
| |
Jammed or frozen conveyor hydraulic motor.
|
Replace motor.
|
| |
Conveyor hydraulic motor shaft key sheared.
|
Replace key.
|
|
Console in operation mode, but the conveyor does not
move when the machine moves.
| Relief valve open to return line. |
Using relief valve testing
adapter and flowmeter, test valve for opening pressure. If pressure
is not 13,800 kPa (138 bar) (2000 psi), replace relief valve.
|
| |
Jammed or frozen conveyor.
|
Free up conveyor.
|
| |
Jammed or frozen conveyor hydraulic motor.
|
Replace motor.
|
| |
Conveyor hydraulic motor shaft key sheared.
|
Replace key.
|
|
Spinner speed does not stay constant.
| Relief valve set too low. |
Refer to John Deere
4 Series manual.
|
| |
Worn pump.
|
Refer to John Deere
4 Series manual.
|
| |
Defective spinner control valve.
|
Replace valve metering
spool spring. If no improvement, replace spinner control valve.
|
| |
Contamination in John Deere load sense bleed-down orifice.
|
Clear orifice.
|
|
Spinner speed on display not accurate.
| Inner fin hardware is stainless steel. |
Replace hardware with
non-stainless steel hardware.
|
|
Hydraulic oil overheats (93.4°C. (200°F.) or
hotter).
| Hydraulic oil level low. |
Add hydraulic oil as
necessary to maintain level around mid-point of sight gauge.
|
| |
Relief valve set too low.
|
Refer to John Deere
4 Series manual.
|
| |
Conveyor relief valve open to return line.
|
Using relief valve testing
adapter and flowmeter, test valve for opening pressure. If pressure
is not 13,800 kPa (138 bar) (2000 psi), replace relief valve.
|
| |
Worn motor (spinner or conveyor).
|
Motor heats up at an
excessive rate (check for this heating when system is cold). Replace
motor.
|
| |
Improper or deteriorated hydraulic oil.
|
Replace hydraulic oil
with proper specification oil and replace filter.
|
| |
Pinched or obstructed hose, hydraulic line, or fitting.
|
Clear obstruction or
replace part. Straighten kinked hoses.
|
|
Hydraulic system pulsates.
| Hydraulic pump requires adjustment. |
Refer to John Deere
4 Series manual.
|
|
Spreader not functioning properly.
| Controller application or programming. |
Refer to the control
manual Troubleshooting section.
|
|
Hopper empties with no low bin warning.
| Bin sensor covered with material. |
Clean bin sensor. (See
Clean Bin Sensor in Lubrication and Maintenance section.
|
| |
Faulty bin sensor.
|
Replace bin sensor.
|
| |
Controller alarm not enabled.
|
Program controller to
count down product with low bin warning.
|
|
Cables do not wind properly in the spool grooves.
| Spools are binding on the roll tube. |
Remove, clean, and regrease
spools.
|
| |
Tarp is not centered.
|
Measure, center tarp
and verify that plastic washers are installed on fixed tube.
|
| |
Ratchets are not installed correctly.
|
Adjust from side to side
|
| |
Incorrect cable tension.
|
Adjust tension.
|
|
Tarp does not roll evenly, binds on one or both ends.
| Spools are binding on the roll tube. |
Remove, clean, and regrease
spools.
|
| |
Cable tension is too loose.
|
Adjust tension as necessary.
|
| |
Tarp size has changed.
|
Verify that tarp has
not been altered or improperly repaired, and that tarp is square.
|
|
Tarp is not taut in the middle when closed.
| Tension too loose. |
Adjust tension as necessary.
|
| |
Ridge straps are not in correct location.
|
Move or install ridge straps as needed.
|
| |
Bow height and spacing are incorrect.
|
Move, adjust, repair, or replace bows as necessary.
|
|
Tarp is worn or has holes.
| Sharp edges on spreader box. |
Remove sharp edges,
repair, or replace tarp parts and /or tarp.
|
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TB90758,0001906-19-20150511
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