JLG 600A Service And Maintenance Manual page 117

SECTION 3 - CHASSIS & TURNTABLE
11. Place O-ring (5) into cover (6) counterbore. Use
petroleum jelly to hold O-ring in place.
BEWARE OF SHARP EDGES OF THE COUNTERBORE WHILE SEATING THIS O-
RING.
12. The cover (6) is now installed on this assembly. Taking
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 shoulder bolt with hub (1G)
counterbore.
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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. (31-37 Nm)
and regular grade 8 bolts (12) to 23-27 ft. lbs. (31-37
Nm).
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 ver-
tical mounting application case oil circulation is recom-
mended.
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