UPPERSTRUCTURE / Swing Device STRUCTURE OF SWING PARKING BRAKE SWITCH VALVE 9 8 7 6 5 4 3 2 10 1 W1V1-02-06-010 W2-6-28 Item Part Name Q’ty Wrench Size mm Tightening Torque Remark N⋅m kgf⋅m lbf⋅ft 1 O-Ring 1 2 Plug 1 ：6 36 3.7 27 3 O-Ring 1 4 Casing 1 5 Socket bolt 3 ：5 12 1.2 8.9 6 Plunger Assembly 1 7 Spring 1 8 Steel Ball 1 9 Cap 1 ：6 0.9 0.1 0.7 10 O-Ring 1