JLG 1200SJP Service And Maintenance Manual page 84

SECTION 3 - CHASSIS & TURNTABLE
THE MAX WHEEL SPEED WITH DISENGAGED GEARBOX MUST NOT EXCEED 25
REV/MIN.
Figure 3-27. Gearbox engaged
1. Unscrew the 2 socket head screws M8x16 (4), grade 8.8,
of the end cover (7) with a male hex head wrench.
2. Rotate the cap nut (5).
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3. Take out the cap nut (5).
4. Turn the cap nut (5) upside down. As result the pin (3)
will be pushed inside in order to permit disengagement
of the gearbox.
5. Rotate the cap nut (5).
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