履带起重机操作手册

Only the operator is allowed to stay on the equipment when the crane is working. The operator can’t leave the cab at any time when the crane is working. In order to build a safe and comfortable working environment, the following requirements should be followed: a) Keep the cab clean. Clean the pedal and ashtray and put the drinks in the designated place. b) Don’t put the magazines or other items on the control panel. c) Don’t put the tools in the cab. d) No articles is allowed to put on the thoroughfare, such as clothes, protecting device, personal article, etc e) Snow, ice or other obstacles should not be put in the entrance of the cab. f) Keep all the windows and rearview mirrors clean without condensed water and ice.

Operator’s Manual for Crawler Crane

Operator’s Manual for Crawler Crane

3.2 Safety technical notes

3.2.1 Safety instructions for crane operator

The crane operator’s primary responsibility is to control, operate and adjust the crane in a manner that is safe for both himself and others. Therefore the crane operator should meet the following requirements.

a) The operator must be familiar with the operating manual for the crane, and know the working principle, structure performance and the safety devices’ function and adjusting methods, as well as master the operation essentials and maintenance skills.

b) The operator should inspect brake, load hook, wire rope and safety devices before operating the crane. Any irregularities detected during inspection should be removed immediately.

c) The operator must focus his attention on his work during operation and is forbidden to chat with others. Generally speaking, the operator can only follow signal sent out by appointed persons. But for a stop signal, the operator must obey it at all times, no matter who gives it. He should refuse to accept signal which violates operation regulations. Stop the crane immediately if somebody is found climbing the crane.

d) Operator who is in low spirits or poor health is not allowed to operate the crane.

e) Crane operator and signalman should be familiar with safety rules, signals and symbols. Operating the crane after drinking is prohibited.

f) Be qualified with the work in hearing, eyesight and reaction ability; be strong enough to operate safely, and has the ability to estimate distance, height and clearance correctly.

g) Be familiar with the usage of fire extinguisher and be well trained; know how to survive under emergencies.

h) Make sure that only authorized personnel are allowed to operate the crane.

Danger

Operate the crane correctly for the sake of safety and be familiar with the possible dangers caused by the work.

3.2.2 The requirement for the crane operator during the whole operation

The following improper operating errors should be avoided: a) Slewing too quickly; b) Quick braking when lifting the load; c) Quick braking during free fall process (optional); d) Diagonal pulling and slewing of the load to be lifted which is still in contact with the ground e) Loose wire rope formations on the winch; f) Overloading or improperly attaching the load;

ZCC1100H Crawler Crane 3-5

履带起重机操作手册

g) Driving (or slewing) too fast with a load, or setting up and loading on an uneven surface; h) Diagonally pulling the load, or loosing of the lifted load; i) Swinging of suspended load; j) Crashing into bridges, roofs or high - voltage wiring; k) Incorrect assembly or disassembly of booms

Danger

(1) Operate the crane correctly for the sake of safety and be familiar with the possible dangers caused by the work.

(2) The operator must check that there is no obstacle or person in the slewing radius before starting any slewing movements, otherwise, the chance of accident will increase.

(3) Make a sound signal before slewing the crane.

(4) Control the speed of the crane movement by moving the control lever and adjusting the engine speed. Start and stop the slewing movements slowly and smoothly so as to make the speed under control.

(5) Quick starting or stopping slewing movement may swing the load, which may damage the boom or turn over the crane!

(6) Sudden brake of load during free-fall process is forbidden and the brake process should be under control, otherwise, the boom may be destroyed or the crane may topple over.

3.2.3 Safety instructions for the rigger

The rigger is responsible for ensuring that the load is slung or released safely, and carefully using the lifting device and component correctly.

Qualifications of rigger: a) With crane operation certificate; b) Be qualified with the work in hearing, eyesight and reaction ability; c) Be strong enough to carry the lifting device or component; d) Be able to estimate the weight of the load, balance the load and judge the distance, height and clearance correctly; e) Be trained in the skill of handling load; f) Be able to choose proper lifting devices and components according to the loading condition; g) Be trained in hand signals for operation and familiar to use them; h) Be able to use audio equipment (such as interphone) safely to send out oral order exactly and clearly; i) Be capable of controlling and conducting the crane to move the load safely; j) Make sure that only authorized personnel are allowed to carry out the work.

履带起重机操作手册

Operator’s Manual for Crawler Crane

Operator’s Manual for Crawler Crane

Caution

Operate the crane correctly for the sake of safety and be familiar with the possible dangers caused by the work.

3.2.4 Safety instructions for the signalman

The main job of a signalman is to assist crane operator to carry out operation safely. Potential damage to property or personal injury could be avoided if the crane operator carries out the crane movement following the signals given out by appointed signalman. The signalman can take the place of the rigger to direct the operator to move the crane and the load. However, only one signalman or rigger could work with the crane operator at a time.

Qualifications for signalman: a) Familiar with the lifting task so as to cooperate with crane operator and other workers safely; b) Make sure that only authorized personnel are allowed to carry out the work; c) Be qualified with the work in hearing, eyesight and reaction; d) Be able to estimate the distance, height and clearance correctly; e) Be trained in professional hand signals for crane operation and familiar to use them; f) Use standard hand signals for crane operation. If necessary, use a radio device to send out correct and clear oral order; g) Be capable of conducting the crane to move the load safely; h) Position himself in a safe location from where he can see the whole process of operation and be seen clearly by all the personnel.

Caution

Operate the crane correctly for the sake of safety and be familiar with the possible dangers caused by the work.

3.2.5 Safety instructions for crane operating crew

a) Any unsafe operation must be corrected or any dangerous situations must be reported to the supervisor.

b) All the persons in the vicinity of the crane must observe the acoustic warning signals of the machine so as to ensure his and others’ safety.

c) All the workers must know about the content of the task and working sequence; d) Check whether dangerous situations occur during operation of the machine, and inform crane operator and signalman of the unsafe factors such as high-voltage power line, unauthorized persons and equipment, and poor ground conditions.