JLG 660SJ Operator Manual - Manual (Page 135)

SECTION 6 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE
3121205 – JLG Lift – 6-31
20. Fuel Filter - Deutz
Lube Point(s) - Replaceable Element
Interval - Every Year or 600 hours of operation
21. Fuel Filter - Caterpillar
Lube Point(s) - Replaceable Element
Interval - Every Year or 600 hours of operation
22. Fuel Filter (Gasoline) - GM
Lube Point(s) - Replaceable Element
Interval - Every 6 months or 300 hours of operation
23. Air Filter
Lube Point(s) - Replaceable Element
Interval - Every 6 months or 300 hours of operation or as
indicated by the condition indicator