JLG 40xxPS Operator Manual - Manual (Page 145)

Section 7 - Lubrication and Maintenance
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Hydraulic Oil
A. Hydraulic Oil Level Check
1. Be sure all cylinders are fully retracted and machine is level.
2. Perform “Shut-Down Procedure” on page 4-3.
3. Check level of hydraulic oil at the sight gauge (5) on the hydraulic tank (6). The
oil level should be visible in the gauge window.
4. If hydraulic oil is low, remove oil fill cap (7) from filler neck. Add hydraulic fluid to
bring oil up to the upper mark on the sight gauge.
5. Replace hydraulic oil fill cap.
8
OW1150
OW1030
OZ2620
7
5
6