Connecting VACUMETER™ Using Power Beyond and Planter Flow Control Valves to Control Dual Motors-7720, 7820 And 7920 Series Tractors

A52532


A-Planter Flow Control Valves
B-Load Sensing Hose


C-Pressure Hose
D-Regulated Pressure Hose


E-Motor Return Hose
F-Hose From CCS Fan Motor Case Drain


G-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 valve (A) assembly on cab.

VACUMETER is a trademark of Deere & Company

OUO1074,00014D9 -19-15AUG03-1/2


IMPORTANT: Regulated pressure hose (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 load sensing hose (B) to load sensing port.

3. Connect pressure hose (C) to pressure port.

4. Connect motor return hose (E) to return port.

The planter flow control valves (A) will be used to control vacuum level.

OUO1074,00014D9 -19-15AUG03-2/2