Connecting VACUMETER™ Using Planter Flow Control Valves to Control Dual Motors Connected to One SCV-7720, 7820 And 7920 Series Tractors

A52531


A-Planter Flow Control Valves


B-Pressure Hose
C-Return Hoses


D-Regulated Pressure Hoses
E-Hose From CCS Fan Motor Case Drain


F-Case Drain Hose to Tractor

IMPORTANT: Damage to blower motor will occur if hoses are connected incorrectly. Check hydraulic connections before operating vacuum motor. See CHECKING HYDRAULIC CONNECTIONS in Preparing Vacuum Meter section.

NOTE: For non John Deere tractors, see dealer for vacuum motor hook-up.

1. Mount planter flow control valves (A) to cab.

VACUMETER is a trademark of Deere & Company

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IMPORTANT: Regulated pressure hoses (D) must be connected to left-hand (INLET) side of vacuum motor.

IMPORTANT: Ensure case drain hose is already connected to low pressure drain coupler.

NOTE: Case drain line is shared between fan motor and vacuum motor.

2. Connect pressure hose (B) with planter flow control valve (A) into right-hand SCV coupler.

NOTE: Return hose must be equipped with a return coupler with cap.

3. Connect return hoses (C) with special tip into left-hand SCV coupler.

IMPORTANT: To prevent damage to motor, do not return SCV lever to neutral to shut off vacuum.

Push SCV lever forward into detent position for running and push forward into "float" to shut off vacuum.

The planter flow control valves (A) will be used to control vacuum level. The tractor valve will be set to full open position.

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