XCMG QAY220, Руководство по эксплуатации, Страница: 106 / 172

QAY220 All Terrain Crane Operation Manual
5-28
(1) Check the direction of the twining and
count the number of twining turns.
(2) Lower the hook block to the ground. (If
the hook block cannot be hoisted down, lower
the boom.)
(3) Disconnect the rope socket from the
hook block (or boom head). Turn the rope end
in the twine direction
“
n
”
times the number
of twines as counted in step (1) before attaching
the rope socket to the hook block (or boom
head).
(4) Fully extend the boom and raise it to
the maximum angle. Repeat hoisting up and
down the hook block several times.
(5) Repeat the procedure above until no
twining remains.
5. Wind the first layer of wire rope on the
winch drum uniformly and with proper tension
applied to it.
6. Check the winch rope every working
day to find the conditions of damage and
deformation.
Especially pay attention to fixing position
of the winch rope. Positions inspected by
qualified inspector are as follows:
Common positions
：
While you
’
re required to inspect the
entire rope length, we recommend you pay
particular attention to the critical points of a
wire rope:
1. Beginning and end of the winch rope.
2. Pick-up points, i.e. the rope section
contacting the sheaves or on the drums.
End attachments
：
Check the inner broken wires of end
attachment, corrosion or rust at rope fittings to
ensure the tightness of attachment and clamps.
Do not turn the rope five turns or more
at a time. n: parts of line
If twining still remains after the above
measures, replace the rope with a new one.
Accessories
Chapter 5
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