6 - Maintenance
6.12
Wear bushing replacement on boom lift
The wear bushings are inspected and replaced before they are worn
through.
1. Connect the trailer to a tractor and unfold the booms to working
position.
2. Lift the boom center frame with a lifting device and support it until
the load is taken off the parallelogram arms.
3. The upper arms must be disconnected simultaneously.
4. Remove the screws (A), and pull out the pins (B) for the upper
parallelogram arms and replace the wear bushings (C).
5. Replace the arms.
6. Repeat this procedure with each of the lower arms.
7. Grease all grease nipples.
8. Remove the lifting gear again.
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