JLG 660SJ Service Manual - Manual (Page 89)

SECTION 3 - CHASSIS & TURNTABLE
3121202 – JLG Lift – 3-39
BEWARE OF SHARP EDGES OF THE COUNTERBORE WHILE SEAT-
ING THIS O-RING.
12. THe cover (6) is now installed on this assembly. Tak-
ing care to correctly align pipe plug hole (20) with
those in the hub (1J), usually 90° to one another.
Locate the 4 counterbore holes in hub (1G) (marked
in step 3) and install 4 shoulder bolts (13). A slight
tap with a hammer may be necessary to align shoul-
der bolt with hub (1G) counterbore.
13. Install regular grade 8 bolts (12) into remaining
holes.
14. Pipe plugs (20) are to be installed into cover (6)
using a lubricant of some sort.
15. Torque shoulder bolts (13) to 23-27 ft./lbs. and regu-
lar grade 8 bolts (12) to 23-27 ft./lbs,
This completes the assembly. THe unit must be filled one-
half full of EP 90 lubricant before operation if the unit is
mounted horizontally, and completely filled if mounted
vertically. In vertical mounting application case oil circula-
tion is recommended.