Zoomlion ZCC1100, Руководство оператора, Страница: 106 / 291

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Operator’s Manual for Crawler Crane
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3-24 ZCC1100H Crawler Crane
3.3 Slings
3.3.1 Hooks
a) Usage:
1) The hook must be selected to work with the cable, the chain or the strap used in the
lifting device.
2) The hook needs to be made according to correct size so that it can hold the load
securely.
b) Types:
1) There are many types of hooks available from multiple manufacturers.
2) Hooks must be made of forged steel and equipped with safety latches.
c) Capacity:
1) Hooks are rated at maximum capacity for vertical pulls and reduces capacity when
side loaded.
2) The limit lifting capacity for a hook used in the manner for which it is intended must be
equal to or exceed the rated load of the chain, the wire rope, or other suspension
member to which it is attached.
3) The designed limit lifting capacity means the limit weight put on the hook bearing
point from the load.
4) The manufacturer
’s identification must be forged or die stamped on a low-stress and
non-wearing area of the hook.
d) Safe operation:
1) Do not side load hooks.
2) Force on the safety latch can cause failure of hooks.
3.3.2 Rigging introduction
Care and attention to the rigging is a fundamental part of the operation safety:
a) Perform frequent and periodic inspections of the rigging hardware, wire rope, and slings.
b) A written equipment record must be kept monthly. Reviewing the history can provide vital
information, for example, reveal a faster wear that can be attributed to defects in the crane.
c) Remove from service rigging equipment that has been damaged.
d) Inspect rigging accessories before each shift.
e) Determine the weight of the load and choose appropriate equipment.
CAUTION
The strength and the integrity of the rigging hardware is another fundamental part of the
safe lifting operations. To maintain rigging hardware and its components, frequent and
periodic inspections are required.
For reference only.
Operators manual should be consulted and adhered to.