UNDERCARRIAGE / Travel Device 9. Install eyebolt (M18, Pitch 2.5 mm) into the socket bolt (30) hole (2 places) on case (1). Attach a ny- lon sling to eyebolt. Hoist and place case (1) ver- tically. 12. Lightly tap and install brake piston (24) to case (1) by using a plastic hammer. IMPORTANT: As for springs (26) (10 used), there are twelve spring (25) mounting holes on brake piston (24). Check the correct hole to install spring (26). 10. Install disc plates (18) and friction plates (19) al- ternately case (1). ZAXIS450-3, 450LC-3, 470H-3, 470LCH-3: Disc plates (18): 5 used Friction plates (19): 4 used ZAXIS500LC-3, 520LCH-3: Disc plates (18): 6 used Friction plates (19):
5 used 24 Free Hole 26 NOTE: When installing, align with the notch on case (1). When installing disc plate (18), its inner splines shall be aligned with those of cyl- inder block (14). IMPORTANT: Apply grease to O-rings (21, 22) and backup rings (20, 23). 11. Install O-rings (21, 22) and backup rings (20, 23) to brake piston (24). IMPORTANT: Check the mounting direction for brake piston (24). When installing, the notch shall be square to the pin (28) hole on case (1). 26 W16J-03-02-003 13. Install springs (26) (10 used) to brake piston (24). Free Hole 1 24 Notch W16J-03-02-003 28 W3-2-41