CLAAS ACADEMY LEXION II Steering hydraulics Key to diagram 503 - Accumulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.7 l / 80 bar 909 - Steering pressure test port . . . . . . . . . . . . . . . . 160 +15 bar B5 - Oil pressure switch, NC contact . . . . . . . . . . . . 135/160±5 bar Z4 - Oil pressure switch, NC contact . . . . . . . . . . . . 135/160±5 bar Y9 - Autopilot solenoid valve, left-hand Y10 - Autopilot solenoid valve, right-hand P - Hydraulic pump connection T - Tank connection A - Right hand steering ram connection B - Left hand steering ram connection 02/2001 2-7