JLG 600SC_660SJC Service Manual - Manual (Page 156)

SECTION 6 - UNDERCARRIAGE
6-52 – JLG Lift – 3120898
NOTE: The notches of tooling (F) fit over the ears of spindle
nut (34).
NOTE: Rotate the spindle in one direction during the tight-
ening procedure in order to seat the bearings prop-
erly.
13. Use tooling (F) to tighten spindle nut (34) to a torque
of 1100 ft. lbs. (1500 Nm).
14. Mark spindle nut (34) in relationship to spindle (30).
NOTE: Do not confuse this mark with mark (40) for the loca-
tion of balls (33).
15. Tighten spindle nut (34) to a torque of 1840 ft. lbs.
(2500 Nm).
16. Loosen spindle nut (34) so that the mark on the
spindle nut is 5 to 10 degrees from the mark on the
spindle.
17. Tighten spindle nut (34) to a torque of 1100 ft.lbs.
(1500 Nm).
18. Measure the distance from the new bolt (31) to mark
(40). The distance must be at least 0.4 inch (10 mm).
If the distance is less than 0.4 inch (10 mm), use a
new spindle nut (34).
19. Use tooling (H) to peen the threads of spindle (30).
20. Install bolt (31), tab (32), and ball (33) into spindle
nut (34). Tighten bolt (31) to a torque of 6 ft.lbs. (8.5
Nm).
NOTE: Use the access hole in ring gear (35) to install bolt
(31). Ring gear (35) can be rotated in order to align
the access hole with bolt (31).
NOTE: Bend the long tab on tab (32) over the ear of ring
gear (35). Bend the short tab of tab (32) over bolt
(31).