MAINTENANCE 4.12 EVERY 1000 OPERATING HOURS OR EVERY 6 MONTH High-Strength Bolt Connections (continued) Check fastening and condition of the eight power house posts (75) and transverse carrier (82), illust. Z 20706 Reference No.: Qty. (85) 48 (86) 12 * SW = Wrench size 383 Bolt size mm Grade SW * mm Tightening torque Nm M30 10.9 46 1770 M24 10.9 36 880