JLG E400A Narrow Operation And Safety Manual page 121

SECTION 7 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE
4. Hydraulic Return Filter
E400
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.
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