G-2
Boom (Five-section boom)
14
W536-1040E
G-2
3.5 Detaching the 4th boom section and
disassembling the top boom section
1. Remove the sheave (2) for extending the 4th
boom section from the 4th boom section.
2. Release the wire ropes for extending the 4th
boom section and pull out them from the 4th boom
section.
3. Remove the sheave for retractng the top boom
section and the wire rope guide from the rear end
of the 4th boom section.
4. Release the wire ropes for retracting the top boom
section and pull out them to the rear of the 4th
boom section.
5. Remove the slide plates from the side and lower
surfaces at the front end of the 4th boom section.
6. Remove the plates from the upper surface of the
4th boom section.
7. Draw out the top boom section from the 4th boom
section.
8. Remove the wire ropes for extending the top
boom section from the top boom section.
9. Remove the wire ropes for retracting the top boom
section from the top boom section.
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