JLG H340AJ Service And Maintenance Manual page 77

SECTION 3 - CHASSIS & TURNTABLE
5. Loosen and remove all but a few of the bolts securing
the turntable to the swing bearing.
6. Place a drain pan under the flow divider valve to catch
any escaping hydraulic oil. Tag and disconnect the hoses
from the flow divider valve that go up through the turn-
table. Cap or plug all openings so no dirt enters the sys-
tem.
7. Remove the drive orientation and lockout switches so
they don't get broken during the removal procedure.
8. Swing the engine tray back into position and secure it in
place with the retaining bolt.
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9. Attach chains and slings to support the upperstructure.
Begin with the chain at the approximate lengths as
shown below and adjust as necessary to maintain the
turntable in a level position during lifting. For gross
machine weight Figure 3-17.
10. Remove the remaining turntable bolts that were left in
place earlier in the procedure.
11. Disconnect all cables or harnesses routed through the
bearing on the chassis to turntables.
12. Lift the turntable off of the bearing and place it out of
the way on adequate blocking.
13. Remove the bolts securing the bearing to the frame. It
may be necessary to disconnect more hoses on the flow
divider valve. If so, tag and disconnect all hoses and cap
or plug all openings to prevent dirt from entering the
hydraulic system.
NOTE: The swing bearing assembly weighs approximately 125
lbs. (56.6 kg).
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