Tadano TT-800XXL1, Service Manual

Page: 244 / 267

Y-5 Y-5
Adjustment and Checks
18
WY05-0730E
4. Tighten the nut-A until the top and 4th boom sections are fully retracted.
5. Extend the boom by 200-300 mm (8- 1 2 in) by operating the boom telescoping control lever and then retract
it fully. Check the boom is fully retracted.
6. Check the tension of the two 4th boom section extension wire ropes.
END
7. When the wire rope is slack:
8. When the wire rope is tense:
7. 1 Tighten the two nut-B’s by approx. a third turn equally.
7.2 Extend the boom by 200-300 mm (8- 1 2 in) by operating the boom telescoping control
lever and then retract it fully. Check the boom is fully retracted.
OK
END
NG
NG OK