In order to ensure safety, in addition to the strict operation specifications and undertake to operating personnel safety training outside, manufacturers in different parts of the body are usually posted some safety information mark, in order to prompt the operator pay attention to safety.
Below we caterpillar, 793 f for example, interpretation of mining truck on the safety information symbol.
Mark 1 is do not operate warning, posted on bridge internal. Its meaning is: unless have read and understand the instructions on the operation manual and warning, please do not operate the equipment, did not follow the instructions or listen to warning, may result in severe bodily injury or death.
Mark 2 is seat belt warning, also put in bridge internal. Its meaning is: in the machine running any time should use seat belts, in order to avoid accidents or machine when overthrown serious personal injury or death.
Mark 3 is high pressure cylinder warning, which posted on steering accumulator and brake accumulator on. Its meaning is: there were high pressure gas and oil, inappropriate disassembly and repair may result in serious injury or death. If you want to remove and repair, must follow the instructions on the service manual.
Mark 4 are pressure high temperature cooling fluid warning, stick in the tank cover beside the expansion tank. Its meaning is: coolant is hot and and a certain pressure, don’t contact with hot surface. Please check the radiator follows the operating and maintenance manual prescribed procedure.
Mark 5 are no welding or drilling warning, posted on bridge internal. Its meaning is: in the ROPS bridge structure welding or drilling will give structure damage, may damage the structure of the protection ability.
Mark 6 is wheel stop warning, stick on the stent. It means: no proper use of wheel gear, and may not be able to limit the movement of the machine so as to cause serious personal injury or death. The machine must be stopped at a approximate level ground and use the parking brake. Wheel stop should be used in pairs. If stops in the slope, the need to evaluate the influence of the stability of the machine.
Mark 7 is explosion hazard, stick on the battery shell. It means: no local jumper cable connection may cause explosion, causing serious injury or death. Battery should be located in the isolation of space, refer to the operation and maintenance manual for the correct jumper cable start.
Mark 8 be careful fall warning, posted on expansion tank on both sides. Its meaning is: do not use this surface as a step or platform. This surface may not support the additional weight, or may be slippery. Falling from the above may cause serious personal injury or death.
Mark 9 is car guy warning, stick in the machine back close to the car guy articulation point position. Its meaning is: when the need to be in car rising state work, the use of the car guy will car fixed to prevent falling. Don’t properly fixed car may cause personal injury or death.
Mark 10 is high voltage suspension cylinder warning, stick in four suspension on the cylinder. Its meaning is: in the pressure is released before do not remove any valve, hydraulic parts, valve core and other parts, in order to avoid the occurrence of injury or death. Refer to the service manual in the right steps to release pressure.
Mark 11 is hit pressure warning, also put in four suspension on the cylinder. Its meaning is: release suspension cylinder pressure before must ensure that frame properly support. Unexpected machine move may cause serious personal injury or death. Refer to the service manual in the right steps to release pressure.
In addition to these, there are a lot of general, be clear at a glance of the safety information symbol, here are introduced, a driver in the operation of the time must follow these safety information requirements, ensure the safety of oneself and others.