JLG 1250AJP Operator Manual - Manual (Page 120)

SECTION 6 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE
6-30 – JLG Lift – 3121170
14. Oil Change w/Filter - CAT
Lube Point(s) - Fill Cap/Spin-on Element (element can be
accessed from below engine tray)
Capacity - 10.5 Quarts (10 L)
Lube - EO
Interval - Check level daily; change every 150 hours or three
months, whichever comes first. Adjust final oil level by mark
on dipstick.
15. Fuel Filter/Water Separator - CAT
Lube Point(s) - Replaceable Element
Interval - Drain water daily; Replace element every year or 600
hours of operation