JLG 340AJ Operator Manual - Manual (Page 97)

SECTION 6 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE
3121258 – JLG Lift – 6-17
7. Fuel Filter/Water Separator - Kubota
Lube Point(s) - Replaceable Element
Interval - Every year or 600 hours of operation
8. Oil Change with Filter - GM
Lube Point(s) - Fill Cap/Spin-on Element
Capacity - 3.1 Quarts (3 L) w/Filter
Lube - EO
Interval - Check level daily; change every 500 hours or six
months, whichever comes first. Adjust final oil level by
mark on dipstick.