JLG 660SJ Service Manual - Manual (Page 90)

SECTION 3 - CHASSIS & TURNTABLE
3-40 – JLG Lift – 3121202
Hub Shaft Sub-Assembly
1. Press bearing cone (1D) onto shaft (1A).
2. Press bearing cup (1C) into hub (1G) taking care to
insure cup start square with the bore of the hub.
3. Invert hub (1G) and press bearing cup (1E) into inter
counterbore of hub (1G).
4. Returning the hub (1G) to locate on the large diame-
ter end, the output shaft (1A) is carefully installed
into the hub (1G).
5. The shaft seal (1B) is installed over the output shaft
(1A) and into the counterbore of the hub (1G). Care
should be taken to insure the seal (1B) is being cor-
rectly installed (smooth face up and located just
flush with the counterbore face).
6. The bearing cone (1F) is an interference fit and has
to be pressed or tapped on.