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Mechanical SCV; Metering valve knob will not turn
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Dirt build-up
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Clean dirt under metering valve knob
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Remote cylinder will not lift load
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Flow check
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Cycle SCV levers
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Excessive load
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Reduce load
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Hoses not completely installed
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Attach hoses correctly
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Incorrect remote cylinder size
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Use correct size cylinder
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EHSCV/SCV Transport lock engaged
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Release transport lock
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Remote cylinder rate of travel too fast or too slow
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Incorrect flow rate
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Adjust flow rate
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Direction of remote cylinder travel is reversed
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Incorrect hose connections
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Reverse hose connections
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Hoses will not couple
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Incorrect hose male connectors
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Replace connectors with ISO standard connectors
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Detent does not hold or releases too soon
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Mechanical SCV; Detent selector in wrong position
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Turn selector to correct position
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EHSCV; Detent time set incorrectly
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Set time correctly
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Pressure restriction with some implements
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Reduce oil flow by changing metering valve setting
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Flow control or detent release setting incorrect
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Adjust detent relief setting
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| Symptom |
Problem |
Solution |
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SCV lever does not release
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Mechanical SCV; Detent selector not in the automatic detent position
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Turn selector to correct position
|
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EHSCV; SCV float is being "commanded"
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Do not push lever down in forward position
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Lever mechanism failed
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See your John Deere dealer
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Built-in pressure leakage with some implements
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Increase oil flow by changing metering valve setting
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|
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Flow control or detent release setting incorrect
|
Adjust detent relief setting
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Implement does not operate or does not operate correctly
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Incorrect hose connections
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Reverse hose connections
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|
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See your John Deere dealer
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