JLG 4017 Operator Manual - Manual (Page 107)

Section 6 - Lubrication & Maintenance
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Brake System
A. Brake Fluid Level Check
1. Perform “Shut-Down Procedure” on page 3-4.
2. The brake fluid level should be between the MIN and MAX marks on the
reservoir.
3. If brake fluid level is low, add fluid as needed (1).
Note: All other work on the brake system must be performed by qualified personnel.
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OW1150
OZ0540