JLG 680S Service Manual - Manual (Page 26)

SECTION 1 - SPECIFICATIONS
1-10 – JLG Lift – 3121234
14. Fuel Filter - Deutz
Lube Point(s) - Replaceable Element
Interval - Every Year or 600 hours of operation
15. Fuel Filter - Caterpillar
Lube Point(s) - Replaceable Element
Interval - Every Year or 600 hours of operation
16. Fuel Filter (Gasoline) - GM
Lube Point(s) - Replaceable Element
Interval - Every 6 months or 300 hours of operation
17. Air Filter
Lube Point(s) - Replaceable Element
Interval - Every 6 months or 300 hours of operation
or as indicated by the condition indicator
18. Electronic Pressure Regulator (LP only)
Interval - 3 Months or 150 hours of operation
Comments - Drain oil build up. Refer to Draining
Oil Build Up From The Propane Regulator
19. Fuel Filter (Propane) - GM Engine
Interval - 3 Months or 150 hours of operation
Comments - Replace filter. Refer to Propane Fuel
Filter Replacement