UNDERCARRIAGE / Travel Device 18. Install spacer (28) to first stage carrier (29). 19. Install needle bearings (23) (3 used) to first stage planetary gears (25) (3 used). Clamp first stage planetary gear (25) with thrust plates (26, 22) (3 used for each). Install first stage planetary gear (25) to first stage carrier (29). IMPORTANT: Install spring pin (27) with the slit of spring pin (27) facing to the end of pin (24). 20. Install spring pins (27) (3 used) into first stage carrier (29) and pin (24) by using a round bar. Round Bar Dia.: ZAXIS450-3, 450LC-3, 470H-3, 470LCH-3: 4 mm (0.16 in) ZAXIS500LC-3, 520LCH-3: 6 mm (0.24 in) CAUTION: The second stage carrier (19) assembly weight:
ZAXIS450-3, 450LC-3, 470H-3, 470LCH-3: 25 kg (55 lb) ZAXIS500LC-3, 520LCH-3: 30 kg (66 lb) 24. Wind nylon slings (2 used) onto second stage carrier (19) assemblies (19, 20 and 30 to 35). Hoist and lower the second stage carrier (19) assemblies onto third stage sun gear (18). 25. Install second stage sun gear (21) to second stage carrier (19) with the thinner end facing to cover (49). Upper 27 24 W1JB-03-02-005 21 Slit 26. Install first stage carrier (29) assemblies (22 to 29) to second stage carrier (19). 27. Insert shaft (43) into the center of carrier. Let it engage with first stage planetary gears (25) (3 used). W178-02-06-002 21.
Assemble second stage carrier (19) according to the steps 19 to 21. Round Bar Dia.: 5 mm (0.20 in) CAUTION: The third stage carrier (17) assembly weight: ZAXIS450-3, 450LC-3, 470H-3, 470LCH-3: 70 kg (154 lb) ZAXIS500LC-3, 520LCH-3: 85 kg (187 lb) 22. Wind nylon slings (2 used) onto third stage carrier (17) assemblies (15 and 34 to 40). Hoist and lower the third stage carrier (17) assemblies onto housing (5). 23. Install third stage sun gear (18) to third stage carrier (17) with the thinner end facing to cover (49). Upper W1JB-03-02-004 W3-2-27 18 18