JLG 510AJ Operator Manual - Manual (Page 116)

SECTION 6 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE
6-34 – JLG Lift – 3121179
15. Fuel Filter - Deutz
Lube Point(s) - Replaceable Element
Interval - Every Year or 600 hours of operation
16. Fuel Filter - Caterpillar
Lube Point(s) - Replaceable Element
Interval - Every Year or 600 hours of operation
17. Fuel Filter - GM
Lube Point(s) - Replaceable Element
Interval - Every 6 months or 300 hours of operation