UNDERCARRIAGE / Travel Device Disassemble Travel Device The disassembling procedures of travel device for ZAXIS450-3, 450LC-3, 470H-3 and 470LCH-3 are same to ZAXIS500LC-3 and 520LCH-3 except ring gear (44). This is explained according to the illustration of ZAXIS450-3, 450LC-3, 470H-3 and 470LCH-3. CAUTION: Motor (1) weight: 130 kg (290 lb) 2. Put the matching marks on the mating positions of motor (1) and housing (5). Install eyebolts (M12, Pitch 1.75 mm) (2 used) to motor (1). Attach a nylon sling to eyebolt. Hoist and hold motor (1). Remove bolts (2) (4 used) and spring washers (3) (4 used) from motor (1). Remove motor (1) from housing (5). CAUTION:
There may be pressure accumulated inside of the travel device. Slowly loosen the air bleed plug and completely release the residual pressure. Remove the drain plug and drain gear oil. If the air bleed plug is loosened quickly, the plug may fly off and/or gear oil may spurt. Keep away from the plug. : 27 mm 5 2, 3 1 CAUTION: Travel device weight: ZAXIS450-3, 450LC-3, 470H-3, 470LCH-3: 671 kg (1479 lb) ZAXIS500LC-3, 520LCH-3: 855 kg (1885 lb) 1. Hoist and hold the travel device. Loosen plug (51-B) 2 to 3 turns. Remove plug (51-A). Drain gear oil from the travel device. Place the travel device on a workbench with the motor (1) side facing upward.
Eyebolt Mounting Position W16J-03-02-002 CAUTION: Travel reduction gear weight: ZAXIS450-3, 450LC-3, 470H-3, 470LCH-3: 540 kg (1190 lb) ZAXIS500LC-3, 520LCH-3: 720 kg (1587 lb) 3. Wind a nylon sling to the body of drum (8) and ring gear (44). Hoist and place the travel device on the workbench with the cover (49) side facing upward. : 14 mm W111-03-02-006 W3-2-7 51-B 51-A