JLG E300AJ Operation And Safety Manual page 141

3. Hydraulic Tank
Lube Point(s) - Fill Cap
Capacity - 2.9 Gal. (11 L), 2.1 Gal. ( 8 L) to Full Mark
Lube - HO
Interval - Check Level daily; Change every 2 years or 1200
hours of operation.
Comments - On new machines, those recently overhauled, or
after changing hydraulic oil, operate all systems a minimum of
two complete cycles and recheck oil level in reservoir.
31215000
SECTION 7 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE
4. Hydraulic Return Filter
Interval - Change after first 50 hrs. and every 6 months or 300
hrs. thereafter.
Comments - Under certain conditions, it may be necessary to
replace the hydraulic filter on a more frequent basis.
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