UNDERCARRIAGE / Travel Device CAUTION: Drum (8), sprocket (14) and other part weight: ZAXIS450-3, 450LC-3, 470H-3, 470LCH-3: 180 kg (397 lb) ZAXIS500LC-3, 520LCH-3: 300 kg (661 lb) IMPORTANT: Align the matching marks made when disassembling. Check the clearance all around drum (8) in housing (5) shall be equal. 8. Hoist and place the drum (8) assembly to housing (5). 9. Tap and install the inner race of roller bearing (9) to housing (5) by using a bar and hammer evenly. IMPORTANT: Install bearing nut (11) with the stepped part facing to roller bearing (9). Apply a film of grease to the threaded part of bearing nut (11). 10. Install bearing nut (11) to housing (5).
Tighten bearing nut (11) by hand. NOTE: Apply a film of grease to the threaded part of bearing nut (11) in order to tighten to the specified torque. W3-2-23