JLG 510AJ Operator Manual - Manual (Page 112)

SECTION 6 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE
6-30 – JLG Lift – 3121179
7. Hydraulic Tank
Lube Point(s) - Fill Cap
Capacity - 27 gallons (102 liters); 23.6 gal. (89 liters) to
the Full line on the sight gauge
Lube - HO
Interval - Check Level daily; Change every 2 years or
1200 hours of operation.
8. Suction Strainers
Lube Point(s) - 2
Interval - Every 2 years or 1200 hours of operation,
remove and clean at time of hydraulic oil change.