Tadano TM-2000-1, Service Manual, Page: 96 / 194

G - 2
Boom (Five-section boom)
21
W536-1040E
G - 2
7.2 Assembling the 4th boom section
1. Install the slide plates to the lower surface at the
front end of the 4th boom section.
2. Install the slide plates to the side surfaces at the
front end of the 4th boom section. Adjust the
clearances to the following by increasing or
decreasing the number of shims.
- 0.5 mm (1/64 in) or less in total when the values
at right and left are added
[NOTICE]
Try to minimize the difference between the right and
left clearances.
When installing the slide plates, pass the wire ropes
for extending the top boom section as shown below.
3. Retract the top boom section to the point about
100 mm (4 in) before full retraction.
4. Install the sheaves for extending the top boom
section at the front end of the 4th boom section.
5. Release the wire ropes for extending the top
boom section and place them in the grooves of
the sheaves for extending the top boom section.
Then install the wire rope guide for the sheaves
for extending the top boom section.
6. Fully retract the top boom section.
7. Pass the wire ropes for retracting the top boom
section through the openings at the upper surface
of the 4th boom section.
8. Place the wire ropes for retracting the top boom
section in the grooves of the sheaves for
retracting the top boom section.
Then insert the sheaves for retracting the top
boom section through the openings at the upper
surface of the 4th boom section and fix them with
pins.
[NOTICE]
Install the sheaves with their clinched sides facing
outwardly.
After installing the sheave, bend one of tabs of the
toothed washer over a slot of the lock nut.