JLG 1850SJ Service Manual - Manual (Page 24)

SECTION 1 - SPECIFICATIONS
1-6 – JLG Lift – 3121619
4. Hydraulic Return Filter
Lube Point(s) - Replaceable Element
Interval - Change after first 50 hours and every 6 months
or 300 hours thereafter.
5. Hydraulic Tank Breather
Interval - Change after first 50 hrs. and every 6 months
or 300 hrs. thereafter.
Comments - Remove wing nut and cover to replace.
Under certain conditions, it may be necessary to replace
on a more frequent basis.
6. Hydraulic Charge Filter
Lube Point(s) - Replaceable Element
Interval - Change after first 50 hours and every 6 months
or 300 hours thereafter.
7. High Pressure Filter
Lube Point(s) - Replaceable Element
Interval - Change after first 50 hours and every 6 months
or 300 hours thereafter.