JLG M450 Operator Manual - Manual (Page 101)

SECTION 6 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE
3121210 – JLG Lift – 6-11
3. Hydraulic Tank
Lube Point(s) - Fill Cap
Capacity - 4 Gal. (15.1 L)
Lube - HO
Interval - Check Level daily; Change every 2 years or 1200
hours of operation.
Comments - On new machines, those recently over-
hauled, or after changing hydraulic oil, operate all systems
a minimum of two complete cycles and recheck oil level in
reservoir.
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 neces-
sary to replace the hydraulic filter on a more frequent
basis. A common symptom of a dirty filter is sluggishness
experienced in hydraulic functions.