Zoomlion QY30V, Руководство пользователя

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07-21 07-21
Fig. 07 – 07 Fig. 07 – 07
M a i n t e n a n c e a n d s e r v i c e M a i n t e n a n c e a n d s e r v i c e
b) b) Adjusting the Adjusting the boom re boom retraction traction rope rope for te for telescopic lescopic boom se boom section 3 ction 3
The boom retraction rope end is symmetrically located on both sides of The boom retraction rope end is symmetrically located on both sides of
telescopic boom section 3. Unscrew the locking nut and screw down the telescopic boom section 3. Unscrew the locking nut and screw down the
adjusting nut until the boom extension rope I is just tightened. adjusting nut until the boom extension rope I is just tightened.
Fig. 07 – 08 Fig. 07 – 08
(1 (1) ) Support the cra Support the crane ne on the on the firm and firm and flat ground; flat ground;
(2 (2) ) The The boom extension rope boom extension rope cannot be cannot be adjusted; adjusted;
(3 (3) ) Do Do not screw down the adjusting nu not screw down the adjusting nu t excessively t excessively. . Otherwise the Otherwise the wire wire
rope will be over-tightened. Screw down the locking nut again after rope will be over-tightened. Screw down the locking nut again after
adjustment; adjustment;
(4 (4) ) When When adjusti adjusti ng the ng the lockin lockin g nut, g nut, do not rotate do not rotate the threa the threaded rod. ded rod.
— — Ma Maintenance intenance and and service service of of wire wire rope rope
a) a) T Take preventive ake preventive measures measures to prevent to prevent wire wire rope from rope from breaks, c breaks, corrosion orrosion or other or other
damage; damage;
b) b) When the When the rope is rope is unwound from unwound from a drum, a drum, it must it must be ensured be ensured that the that the rope is rope is not not
kinked or twisted; kinked or twisted;
c) c) When cutting When cutting off the off the wire rope, wire rope, take preventive take preventive measures against measures against strand strand
breaks; breaks;
d) d) When install When installing wir ing wire rope, e rope, do not do not drag the drag the wire wire rope on rope on the unclean the unclean ground or ground or
wind it onto the other object to avoid being scraped, worn, pressed and wind it onto the other object to avoid being scraped, worn, pressed and
excessively bent; excessively bent;
Caution Caution