222
229042ABA SJ46 AJ+, SJ46 AJ, SJ51 AJ
Section 5 – Procedures Turret
5. Loosen the mounting fasteners
2
on the swing
drive.
6. Push the swing drive towards the rotation gear
as close as possible (this will push the swing
drive gear
3
into the rotation gear
4
).
5
2
3 46
7. Loosen the lock nut
5
on the adjustment bolt
6
.
8. Tighten the adjustment bolt clockwise until it
contacts the plate of the swing drive.
9. Turn the adjustment bolt ½ turn
counterclockwise, then tighten the lock nut on
the adjustment bolt.
10. Pull the swing drive away from the rotation gear
until it contacts the adjustment bolt.
11. Tighten the mounting fasteners on the swing
drive.
12. Rotate the turret 360° and check for smooth
rotation of the turret.
5.5-3 Swing Drive Removal
The swing drive is located near the center of the turret,
underneath the riser/main boom.
WARNING
The operator must lock the turret to the base to
prevent the turret from spinning spontaneously.
1. Lock the turret to the base with the turret locking
pin
1
.
1
2. Raise the riser boom to access the swing drive
motor.
3. Support the boom with an overhead crane. Do
not lift the boom.
4. Turn the main disconnect switch to the off
position .
5. Remove the mid-turret cover.
6. Label the hydraulic hoses connected to the
swing drive, then disconnect the hoses from
the motor. Plug or cap the hoses and fittings to
prevent hydraulic contamination.
7. Loosen the adjustment bolt and remove the
mounting fasteners from the swing drive motor.
8. Use a lifting device attached to the swing drive
lifting lugs
2
to lift the swing drive motor out
away from the turret. Set the swing drive aside.
2
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