Operating & maintenance manual 5 Getting acquainted with the compaction roller 5.1 Overview: Assembly groups Captions assembly groups 1 Cab 2 Engine compartment with engine hood 3 Diesel engine and hydraulic system 4 Rear axle and wheels 5 Basic frame 6 Articulated pendulum joint 7 Vibration system 8 Drum frame 9 Drum Fig. 9 Overview: Assembly groups 24