MAINTENANCE 4.12 EVERY 1000 OPERATING HOURS OR EVERY 6 MONTH High-Strength Bolt Connections (continued) Roof-mounted service crane Check condition and fastening of crane base and crane Legend for illust. Z 22635 (1) Crane base (2) Slew crane (3) Outrigger (4) Electric chain hoist or hydraulic rope winch (5) Safety hook (6) Electric -.hydraulic power unit * SW Wrench size G Re-tighten loose mounting bolts and replace missing bolts. G Replace self locking nuts which have lost their clamping torque. REMARK For more information concerning crane maintenance refer to the separate Instruction Manual "MKG CRANE HMK 60 Ta1" filed in volume 2 binder. 415 Reference No.:
Bolt size mm Grade SW * mm Tightening torque Nm Qty. (7) M24 10.9 36 880 8 (8) M20 10.9 30 510 10 (9) M20 10.9 30 510 2 (10) M12 8.8 19 74 16