MAINTENANCE PROCEDURES
AB18EJ&18HJ Maintenance Manual 5-21 © Oct 2020
Figure 5-18
1. Fully raise the secondary boom and keep the main
boom horizontal and fully extended.
2. Locate the connecting bolts between chassis and
slewing bearing.
3. As indicated by the arrowFig 5-16 , page 5-20,
insert 0.04mm feeler gauge in between the bolt and
washer.
4. Ensure the feeler gauge won’t go through the
outside of bolt head to the bolt shank.
5. Rotate the turntable to inspect all the bolts.
Inspecting the connecting bolts between
turntable and slewing bearing
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