Preparing to Troubleshoot TOUCHSET Depth Control System on John Deere 8000/9000/8020/9020 Series Tractors

2. Check hose attachments to tractor. hose from base end of main frame depth control cylinder should be in "lift" part of SCV I. This is same hose that runs to transport lock-up valve.

3. Make sure all hoses and wiring harnesses are connected.

4. Start tractor. Check for letter "P" in SCV I display on display console.

5. Pull SCV I switch back and machine should raise. Push SCV I switch forward and machine should lower.

6. TOUCHSET Depth Control system should now be operational (using SCV I switch). Machine should raise and lower properly. (See TROUBLESHOOTING TOUCHSET DEPTH CONTROL SYSTEMS in this section.)

A-Transport Lock-Up Valve

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