JLG 660SJ Operator Manual - Manual (Page 134)

SECTION 6 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE
6-30 – JLG Lift – 3121205
17. Oil Change w/Filter - GM
Lube Point(s) - Fill Cap/Spin-on Element
(JLG P/N 7027965)
Capacity - 4.5 qt. (4.25 L) w/filter
Lube - EO
Interval - 3 Months or 150 hours of operation
Comments - Check level daily/Change in accordance
with engine manual.
18. Fuel Filter - Ford
Lube Point(s) - Replaceable Element
Interval - Every Year or 1200 hours of operation
19. Fuel Filter - Continental
Lube Point(s) - Replaceable Element
Interval - Every Year or 600 hours of operation