Tadano TM-2000-1, Service Manual, Page: 87 / 194

G - 2
Boom (Five-section boom)
12
W536-1040E
G - 2
4. Pull and extend the 4th boom section about 200
mm (8 in).
[NOTICE]
If step 5 and subsequent steps are performed
without extending the 4th boom section, it will be
impossible to pull out the boom telescoping cylinder
from the boom.
Do not retract the 4th boom section until the 3rd
boom section is removed.
5. Remove the two guide rollers for the boom length
detector cord.
6. Remove the support for the wire rope guide at the
rear end of the 2nd boom section.
7. Remove the bolts and disassemble the support A
for the wire rope for extending the 3rd boom
section.
Remove the parts on the support A from the rear
end of the 3rd boom section.
[NOTICE]
When it is attempted to remove the support A, it will
hit the wire rope for retracting the 4th boom section.
To avoid this, slacken the wire rope for retracting
the 4th boom section as shown in the figure below
and move it to one side within the boom.
8. Remove the pin fixing the boom telescoping
cylinder to the 2nd boom section and pull out the
boom telescoping cylinder about 1 m (3.3 ft).
9. Remove the support B from the rear end of the
3rd boom section and put it on the boom
telescoping cylinder.
10. Pull out the boom telescoping cylinder with the
support B and the wire ropes for extending the 3rd
boom section from the boom.
(Mass of cylinder: approx. 600 kg (1325 lbs))
11. Remove the wire rope for retracting the 4th boom
section from the rear end of the 4th boom section.