JLG T500J Operator Manual - Manual (Page 118)

SECTION 7 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE
7-14 – JLG Lift – 3121197
11. Coupler & Hitch Ball
Capacity - Coupler 2 Grease Fittings (CE Only); Hitch Ball
As necessary
Lube - MPG
Interval - As necessary
12. Jockey Wheel Bearing (Drive and Set Option Only)
Lube Point(s) - 1 Grease Fittings
Capacity - As Required
Lube - MPG
Interval - As Required