JLG 660SJ Service Manual - Manual (Page 56)

SECTION 3 - CHASSIS & TURNTABLE
3-6 – JLG Lift – 3120840
5. Place bearing cone (6) over end of spindle and into
bearing cup.
6. Place bearing shim (8) over end of spindle and
against bearing cone.
EYE PROTECTION SHOULD BE WORN DURING RETAINING RING
INSTALLATION.
7. Install new retaining ring (9) completely into spindle
groove and against bearing shim. Ensure retaining
ring is entirely in groove.
8. Place internal gear (12) onto end of spindle.
9. Install thrust washers and thrust bearing (39, 40) on
the portion of the spindle which extends into the
internal gear.
10. Install retaining ring (34) into input shaft retaining
ring groove.