Instructions for Micro-Trak
Seed Rate Control Systems
Used with Raven
440/450
Controllers
Dual Drive Open Center Diagram
RETURN
PRESSURE
LEFT BYPASS
VALVE
RIGHT RPM
SENSOR
RIGHT BYPASS
VALVE
HYDRAULIC FLOW
CONTROL VALVE
LEFT RPM
SENSOR
CHECK VALVE
RETURN
PRESSURE
LEFT BYPASS
VALVE
RIGHT RPM
SENSOR
RIGHT BYPASS
VALVE
HYDRAULIC FLOW
CONTROL VALVE
CHECK VALVE
LEFT RPM
SENSOR
Dual Drive Closed Center Diagram
P/N 50289 Rev A • © 2009 • Page 8
