MAINTENANCE 4.12 EVERY 1000 OPERATING HOURS OR EVERY 6 MONTH High-Strength Bolt Connections (continued) Cable Drum for Excavators with Electric Prime Mover G Check condition anf fastening of parts (01 - 06) and (10, 30 and 40), illust. Z 20620 Legend for illust.
Z 20620 (01) Junction box (02) Brake motor (03) Drum body (04) Cable guide rocker arm (05) Sliding frame (06) Drive chain guard (10) Cable drum carrier frame (11) Mounting bolts frame (10) to undercarriage center section (14) Mounting bolts junction box (01) to frame (10) (19) Mounting bolts drum (03) to frame (10) (20) Lock nut (21) Adjusting screw for drive chain tension (30) Limit switch, cable end (40) Actuator lever for limit switch (30) * SW Wrench size For more information concerning cable drum maintenance refer to the separate booklet CABLE DRUM in part 3 of this binder. 413 Reference No.: Bolt size mm Grade SW * mm Tightening torque Nm Qty.
(11) M20 10.9 30 510 40 (14) M20 10.9 30 510 4 (19) M16 10.9 24 265 4