JLG M400 Operator Manual - Manual (Page 95)

SECTION 6 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE
3121644 – JLG Lift – 6-13
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. A com-
mon symptom of a dirty filter is sluggishness experienced in
hydraulic functions.
E400