Function schematic for cab air suspension | Model 963, 964 with code B1C (electronic compressed air supply unit, low) or with code B1D (electronic compressed air supply unit, medium) or with code B1E (electronic compressed air supply unit, high) | ||
Model 963, 964 with code B1H (electronic compressed air supply and control, medium), model 963 with code B1I (electronic compressed air supply and control, high) |