JLG 24RS Service Manual - Manual (Page 67)

SECTION 3 - CHASSIS & TURNTABLE
3121287 – JLG Lift – 3-29
Brake Test
Before performing the Brake Test, remove the motor, tubing
and elbow as per Motor disassembly instructions. To perform a
brake check, install a hydraulic hand pump with pressure
gauge into brake port in Brake Housing using a 7/16-20
threaded fitting.
Place the Roll Test Tool (Figure 3-22.) into the sun gear (8).
Apply 25 in-lbs (2.8 Nm) of torque to the tool. While trying to
rotate the tool, pump the handle on the hydraulic hand pump
and increase the pressure until the brake releases. The brake is
released when you are able to rotate the tool.
Record the release pressure. If the brake does not release
within the limits shown in the brake chart, Table 3-3, Swing
Figure 3-21. Swing Drive Assembly
Figure 3-22. Roll Test Tool - T201476