JLG 4017PS Operator Manual - Manual (Page 172)

Section 7 - Lubrication and Maintenance
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Hydraulic Oil
A. Hydraulic Oil Level Check
1. If equipped, ensure outriggers are fully raised.
2. Perform “Shut-Down Procedure” on page 4-3.
3. If hydraulic oil is cold, check fluid level at the sight gauge (5) on the hydraulic
tank (6). The oil level should be visible in the gauge window.
If hydraulic oil is warm, check fluid level at the sight gauge (7) on the hydraulic
tank. The oil level should be visible in the gauge window.
4. If hydraulic oil is low, remove oil fill cap (8). Add hydraulic fluid to bring oil up to
the center of the appropriate gauge window.
5. Replace hydraulic oil fill cap.
10
OW0970
OW1030
OAM2250
8
5
6
7