Applicable Systems
9R Tractor
Symptoms
Rear hitch lowering speed control not functioning; hitch drops too fast or too slow; inconsistent implement control.
Possible Causes
- Hitch lower rate valve adjustment needed
- Hitch flow control valve sticking
- Hitch cylinder internal leak
Troubleshooting Steps
- Step 1: Check hitch lower rate adjustment knob
Adjustment within normal range - Step 2: Inspect hitch flow control valve
Valve moves freely - Step 3: Test hitch cylinder for internal leak
Cylinder holds under load - Step 4: Adjust or replace flow control valve
Hitch lowers at controlled rate - Step 5: Clear code and calibrate hitch via Service Advisor
Hitch operation smooth
How to Reset
Clear via Service Advisor after hitch calibration.
Common Replacement Parts
- Hitch Flow Control Valve P/N: RE274956
Frequently Asked Questions
- Q: How to adjust hitch lowering speed?
Use the lower rate knob near hitch controls. Turn clockwise for slower, counterclockwise for faster. Calibrate via Service Advisor after valve replacement.
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Source: johndeerefaultcodes.com
Category: Heavy Equipment
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