TIC LEXION 480-405 Standard machine functions Key to diagram II P - To returns valve P1 - Parallel connection to valves from the returns valve T - Tank port (returns) Y17 - Solenoid valve for narrowing the threshing concave (close) Y18 - Solenoid valve for widening the threshing concave (open) Y19 - Solenoid valve for slowing down the threshing drum speed Y20 - Solenoid valve for speeding up the threshing drum speed Y33 - Solenoid valve for swinging out the unloading auger Y34 - Solenoid valve for swinging in the unloading auger Y67 - Solenoid valve for cutterbar cross-levelling (left-hand side) Y68 - Solenoid valve for cutterbar cross-levelling (right-hand side) Y74 - Solenoid valve for moving straw chopper in work position Y75 - Solenoid valve for moving straw chopper in park position Y77 - Master valve solenoid valve Y85 - Solenoid valve for raising the front attachment Y86 - Solenoid valve for reversing the front attachment Y87 - Solenoid valve for lowering the front attachment Y89 - Solenoid valve for slowing down the front attachment variable-speed drive Y90 - Solenoid valve for speeding up the front attachment variable-speed drive Z20 - Hydraulic oil temperature switch A1 - Hydraulic ram port for raising / lowering the front attachment A2 - Hydraulic ram port for moving the straw chopper in park position A3 - Hydraulic ram port for swinging out the grain tank unloading auger A4 - Hydraulic ram port for closing the threshing concave (close) A5 - Hydraulic ram port for threshing drum speed A6 - Hydraulic ram port for front attachment speed A7 - Hydraulic ram port for cutterbar cross-levelling, right-hand side A8 - Hydraulic ram port for reversing the front attachment B2 - Hydraulic ram port for moving the straw chopper in work position B3 - Hydraulic ram port for swinging in the grain tank unloading auger B4 - Hydraulic ram port for opening the threshing concave (open) B7 - Hydraulic ram port for cutterbar cross-levelling, left-hand side 03/2004 3-5