SERV1851 02/08
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Text Reference Boom, Stick, and Bucket Circuits
311D / 312D /314D HYDRAULIC SYSTEM BOOM CIRCUIT COMPONENTS
Boom 1
Boom Cylinders
Boom Drift Reduction valve
Stick 1
Right NFC Main Relief Left NFC
Straight Travel Pilot Manifold
Drive Pump
Idler Pump
Boom 2 Boom Regen Solenoid
Boom Pilot Valve
To Idler Pump Control Valve To Drive Pump Control Valve
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Boom Circuit The boom circuit consists of the following major components: - boom 1 spool - boom 2 spool - boom cylinders - drift reduction valve - boom lowering control valves (if equipped) - boom regeneration valve - SmartBoom™ (if equipped) NOTE: The 312D Hydraulic Schematic (KENR6556) was used to develop the ISO schematics.
