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1.1 Summary

Welcome to use the products of Shandong Huaxia Group. Please read the instructions hereby carefully to get a better knowledge of this tower crane and follow the safety regulations and right ways to install it for the completion of your constructions.

This brand new tower crane with column style is dubbed QTZ31.5 and produced according to the newest standards—JG/T5037-93 ‘Categories of Tower Crane’.

With level beams, trolley radius changing, swing top and versatile crane including the following characteristics:

1.With domestically advanced technology and capacity indexes matching up with international level, the tower crane’s working radius can reach 43 meters.

2.With an internationally fashionable appearance, the crane enjoys popularity among both domestic and overseas users.

3.The working style of this tower crane can be divided into 2 ways: base fixation and wall-attached fixation with independent erecting height up to 25 meters. On the basis of independent erecting, the attached erection can be achieved by adding standard sections and additional devices and the height can be 100 meters.

4.With high efficiency and excellent timing capacity, the tower crane is liable and safe. The rotating structure is driven by Epicyclic reducer. The elevating system is featuring in tight structure, high efficiency, convenient to use and maintain and safety.

5.Safety devices are integral and belong to mechanic and electric appliances with great reliability and can be used in wild and harsh environment.

6.The tower crane applies hanging jibs with large breadth and bi-tie bars. The jibs is very rigid , light in weight, pleasing to eyes, small in base with great capacity to shoulder pressure and resist wind.

7.The driver’s cabin is independently designed with good sight and spacious interior.

8.Without central electric circuit, the tower crane is free from disorders and accidents when being drenched by rain and violated by short circuit, at the same time is convenient for the driver to pass through.

Because of the above mentioned characteristics, the tower crane is suitable for civic building construction, bridge and irrigation projects, industrial plants and high chimneys constructed in the way of sliding mould and buildings with high walls.

1.2 Notices

1.2.1The instruction is applicable for the most general installation style. Whenever the following situation emerges, accidents and casualties are unavoidable by forcibly installation.

A) the base of the tower crane fails to abbey the stipulated rules in this instruction.

B) the distance between two tower cranes fails to conform to the rules in 2.2.4

C) the lifting height is above the regulated height in the instruction.

D) the installation of jibs fails to abbey the leave factory whole breadth of the machine.

1.2.2Due to supply variations of fittings and alterations of norms and regulations, the type of this tower crane assembly’s liable to make partial adjustment. In order to meet the requirements of new and old costumers, the adjustments of the assembly will be laid out in the form of additional instructions. Minor adjustments will not be included. When viewing the instruction, the user should notice the categories of the fittings and the style of the assembly.

1.3 Major technological indexes

The major technological indexes of this tower crane are stipulated in diagram 1-1(the appearance of the tower crane). The major technological capacity of the fittings is stipulated in diagram 1-2.

1.4 Uplifting capacity

Diagram 1-3 represents the load capacity of the tower crane. Diagram 1-2 indicates the uplifting feature graph of the tower crane.

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