Attaching and Detaching VACUUM METERING SYSTEM -UN-070CT88 If planter is equipped with vacuum metering system and automatic alternating markers, insert planter hydraulic hoses (A) into breakaway coupler number 1. Insert flow control valve (or cab mounted valve pressure hose) into pressure side of breakaway coupler as illustrated at (B). A32313 If John Deere 50, 55 or 60 Series Row Crop Tractors or John Deere Utility Tractor is being used, install hydraulic motor return hose into auxiliary return coupler (C). NOTE:
The auxiliary return line coupler kit must be ordered when using the Vacuum Metering System with John Deere 50, 55 or 60 Series Row Crop Tractors and all John Deere Utility Tractors. /f using any other John Deere Tractor, install hydraulic motor return hose into left-hand side of tractor. H40622 -UN-17MAY89 Attach cab mounted flow control valve to bracket outside of tractor cab at (D). Cab Mounted B21,5AD,D 25-3 -19-28JUN90 180790