JLG 510AJ Operator Manual - Manual (Page 111)

SECTION 6 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE
3121179 – JLG Lift – 6-29
5. Hydraulic Return Filter
Interval - Change after first 50 hrs. and every 6 months
or 300 hrs. thereafter or as indicated by Condition
Indicator.
6. Hydraulic Charge Filter
Interval - Change after first 50 hrs. and every 6 months
or 300 hrs. thereafter or as indicated by Condition
Indicator.