Zoomlion ZT20J, Service And Maintenance Manual

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5-19
c. The adjustment of the steel wire rope has reached the limit adjustment range and cannot be adjusted
further.
d. The pulley fails to pass the wear gauge inspection.
e. Six wires break in one wire rope, or three wires break in one wire rope, or one valley breaks, or one
break occurs at the wire rope joint.
5.2.8.5 Wire rope fastening
a. Adjust the boom to the horizontal fully retracted attitude, and adjust the initial extension lengths A
and B of the boom as required. The allowable error of A and B is ± 5mm/0.197in.
Figure 5-19 Initial extension of boom
b. Clamp the rope head to prevent the rope from rotating.
Do not pinch the threads when tightening, otherwise the threads may be damaged. When tightening,
clamp the end of the wire rope near the thread to prevent the wire rope from rotating, otherwise it
will cause damage to the wire rope.
Figure 5-20 Clamping the rope
A(185) B(495)