JLG T500J, Service And Maintenance Manual

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SECTION 3 - CHASSIS & TURNTABLE
3-40 3121200
10. Place a body seal in the grove in the face of the rotor.
11. Lower the rotor onto the drive link making sure the tim-
ing mark on the drive link is aligned with a peak on the
rotor as shown in Figure 3-20., Timing Mark.
12. Once splines are engaged, rotate rotor so the notch on
the rotor is aligned with the notch on the wear plate and
the ports on the housing. Refer to Figure 3-19., Notch
Alignment.
13. Insert the drive link pin into the end of the drive link
making sure the concave end faces up.
14. Place the remaining body seal in the groove in the end
cover.
15. Using alignment marks as a guide, place the end cover
onto the motor making sure the end of the drive link pin
is in the hole in the center of the end cover.
16. Insert the four bolts and torque to an initial value of 10
ft.lbs. (13.5 Nm). Using a criss-cross pattern, apply a final
torque of 50 ft.lbs. (68 Nm).
17. Remove the motor from the vise and place on a clean
work surface with the shaft facing up. Making sure the
lip seal faces up, place the dust seal over the shaft. Using
a seal and hammer, carefully drive the dust seal into
place.
Installation
1. Connect the two hydraulic lines to the motor as tagged
during Removal.
2. Position the motor on the swing drive and secure in
place with the retaining bolts. Torque the bolts to

95 ft.lbs. (130 Nm).
Figure 3-20. Timing Mark
PEAK ON ROTOR
TIMING MARK
MAE31640
*
Swing Motor
* Secure this end of the shaft when removing the swing motor. If it starts to pull out
with the swing motor it could damage the internal seals.
Figure 3-21. Swing Motor- Installation