Liebherr 712-752 Service Repair Manual
Description
Liebherr 712-752 Service Repair Manual
Safety instructions
Liebherr Working with the machine holds dangers to which you as the owner, machine operator, or maintenance expert could be exposed. If you regularly read and observe the safety information, you can guard against dangers and accidents.
This applies especially to persons, who are working on the machine only occasionally, such as for maintenance work. The following information comprises safety regulations which, if followed conscientiously, will guarantee your safety and that of other persons, as well as avoid damage to the machine.
Following these regulations does not release you from the responsibility to follow all safety regulations and guidelines valid for the Jobsite, as required by law or issued by trade associations. For EU countries, guideline 89/655/EEC contains the minimum safety information applicable to the operator.
General Safety instructions
Please familiarize yourself with the operating instructions before starting the machine. Please verify that you have supplemental instructions and have read and understood these (this may concern special options for the machine). –Only explicitly authorized personnel may operate, maintain, or repair the machine.
The legal minimum age must be observed. –Use only trained or instructed personnel. Clearly define who is responsible for the operation or set up maintenance, and repair. Allow personnel to refuse unsafe instructions given by a third person. This also applies to traffic regulations. Reject unsafe instructions by third parties and/or allow your personnel to reject these.
This also applies in regards to traffic regulations. –Any person still in training should only operate or work on the machine under the constant supervision and guidance of an experienced person. –Check and observe any person working or operating the machine at least periodically if they observe safety instructions and guidelines given in the Operating manual. –Wear proper work clothing when operating or working on the machine.
Liebherr 712-752 Service Repair Manual
Liebherr Avoid wearing rings, watches, ties, scarves, open jackets, or loose clothing. There is a danger of injury, as these items could get caught or be pulled in. The following are mandatory for certain tasks: Safety glasses, safety shoes, safety helmet, work gloves, reflecting vest, hearing protection.
Simply print out the pages you need or print the entire manual as a whole!!!
- Detailed substeps expand on repair procedure information
- Notes, cautions, and warnings throughout each chapter pinpoint critical information.
- Numbered instructions guide you through every repair procedure step by step.
- Bold figure number help you quickly match illustrations with instructions.
- Detailed illustrations, drawings, and photos guide you through every procedure.
- Enlarged inset helps you identify and examine parts in detail.
- Numbered table of contents easy to use so that you can find the information you need fast.
- This service manual also makes it easy to diagnose and repair problems with your machines electrical system.
Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
For certain tasks, safety glasses, hard hats, safety boots, work gloves, reflective vests, ear protection, etc. are required. Consult the supervisor at the job site for special safety instructions and regulations. Always raise the safety lever before leaving the operator’s seat. When entering or leaving the cab, do not use the steering column, the control panel, or the joy-sticks as handholds. Inadvertent movements, which could cause accidents, should be touched off.
Never jump off the machine, always use the steps, ladders, rails, and handles provided to climb off or on the machine. –Use both hands to hold on, facing the machine. Familiarize yourself with the emergency exit through the front window. Proceed as described in the operating instructions, if no other instructions are available for maintenance and repairs:
•Place the machine on a solid and level ground and lower the work equipment to the ground.
•Depressurize the hydraulic system.
•Move all control levers to the neutral position.
•Move the safety levers up prior to leaving the machine.
•Remove the ignition key.
–You must also reduce the pressure in the hydraulic system and the interior pressure of the tank prior to any operation on the hydraulic system as described in these operating instructions.
–Secure all loose parts on the machine.
–Never start the machine before completing a thorough inspection and check, if safety tags are missing or are illegible.
–Do not complete any modifications, attachments, or retrofits on the machine, which could inhibit
safety, without the prior consent of the manufacturer. This also applies to the installation and ad- adjustment of safety devices and safety valves as well as to any welding on load-carrying parts
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