JLG 1500SJ Service Manual - Manual (Page 162)

SECTION 3 - CHASSIS & TURNTABLE
3-114 – JLG Lift – 3121262
17. Position the swing drive mounting bolts and back-
lash adjusting shim, JLG p/n 4071041. Set backlash
following the procedures in this section.
18. Attach the swing bearing remote lubrication lines to
the turntable.
19. Lift the boom from its supports.