Tadano TT-800XXL1, Service Manual

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12
W536-0760E
G-2 G-2
Boom (Five-Section Boom)
4.3 Installing lower slide plates
1 . Apply thread locking agent to the bolt, tighten it
lightly and turn it in reverse for a quarter turn.
2. If the tip of the bolt protrudes beyond the bottom
of the retainer, scrape it off with a grinder.
4.4 Installing slide plates onto sides of rear end
Apply thread locking agent to the bolt, tighten it
lightly and turn it in reverse for a quarter turn.
5. Adjustment
5. 1 Adjusting clearance for the boom
1 . Lateral clearance at the bottom of the boom rear
end
Place shims so that the total clearance
(distributed to right and left) is 0.5 mm.
2. Upper clearance on boom rear end
Place shims that the lateral deviation of center is
± 1 .5 mm, and vertical deviation is 3-5 mm.
3. Lateral clearance at boom head
Place shims so that the total clearance is 0.5 mm
when the boom is 1 m longer than that of full
retraction.
4. Adjusting the bolt on the bottom of each boom
section head
After retracting each boom section fully, lock the
bolt with a nut while it is lightly pressed against
the A surface. Apply thread locking agent.
IW536-0630E 1 5
(7
)
Reference
value
Bolt
Nut
Surface
A
5.2 Adjusting boom telescoping wire rope
See the "Adjusting boom telescoping wire ropes"
section in the Y chapter.