7020 and 7030 Series Tractor with 3 SCVs
Planters Equipped with Vacuum and Variable Rate Drive
| Hose Connections |
| Case Draina |
A-Must Be Connected First |
| Hose Identification |
Pressure |
Return |
| Frame Functions and CCS |
Extend Port |
Retract Port |
| Independent Markers/Drawbar |
Extend Port |
Retract Port |
| Vacuum System |
Retract Port |
Extend Port |
| Variable Rate Drive on Power Beyond with Load Sense (C) |
Power Beyond Load Sense |
Power Beyond Return |
| aCase drain hose MUST be attached PRIOR to any hose being connected. |
 CAUTION:
Hydraulic hoses can fail due to physical damage, kinks, age, and exposure. Check hoses regularly. Replace damaged hoses.
IMPORTANT:
Vacuum and Variable Rate Drive RETURN hoses, with special tip, MUST be connected to tractor EXTEND port. Avoid damaging pressure spikes; shut vacuum motor and variable rate drive off by placing SCV lever in float position.
If planter is not equipped with either independent markers or vacuum, variable rate drive can be moved from power beyond to an SCV.
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7020 Series Tractor with 3 SCV's
A-Sump Port (Fan Motor Case Drain Connection)
B-Auxiliary Return Port (Power Beyond Return)
C-Load Sense Coupler (Power Beyond Load Sense)
D-Auxiliary Pressure Port (Power Beyond Pressure)
E-SCV I (Extend)
F-SCV I (Retract)
G-SCV II (Extend)
H-SCV II (Retract)
I-SCV III (Extend)
J-SCV III (Retract)
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