GENERAL SAFETY INFORMATION Turn the engine off and remove the ignition key. Study the Operation and Maintenance Manual before operating or working on the excavator. Make sure that you have additional information for special attachments of your machine, read it and understand it! Before working on the hydraulic circuit, move all joysticks and pedals with the ignition key in contact position and the safety lever tilted down to relieve the servo pressure and the remaining pressures in the different main circuits. In addition, relieve the pressure in the hydraulic tank as described in the Operation and Maintenance Manual.
Allow only authorized personnel informed about the safety rules to operate, service or repair the excavator. Make sure to observe any minimum applicable age requirement. Secure all loose parts on the excavator. Never operate the excavator without a complete walk around inspection. Check if all warning decals are on the machine and if they are all legible. Allow only properly trained personnel to operate or work on the excavator, make sure to clearly specify the person who is responsible for set up, maintenance and repairs. Observe all danger and safety guidelines. For certain special applications, the excavator must be equipped with specific safety equipment.
Use the excavator only, if they are installed and functioning properly. Make sure the operator knows his responsibility regarding the observance of traffic regulations and permit him to refuse any unsafe instructions given by a third person. Any persons still in training should only operate or work on the machine under the supervision and guidance of an experienced person. Never perform any changes, additions or modifications on the machine, which could influence the safety, without obtaining the written permission from the manufacturer. This also applies to the installation and adjustment of safety devices and safety valves as well as to any welding on load carrying parts.
It is forbidden to repair the cab. Check and observe any person working or operating the excavator periodically and regularly, if they observe safety instructions and guidelines given in the Operation and Maintenance Manual. Wear proper work clothing when operating or working on the excavator. Rings, watches, bracelets and loose clothing such as ties, scarves, unbuttoned or unzipped shirts and jackets are dangerous and could cause injury! Wear proper safety equipment, such as safety glasses, safety shoes, hard hats, work gloves, reflector vests and ear protection.
Do not install any equipment or attachments made by other manufacturers or any which are not specifically authorized by LIEBHERR for installation without first obtaining the written permission from LIEBHERR. LIEBHERR will issue any required technical documentation for approved installations. Consult your employer or supervisor for specific safety equipment requirements and safety regulations on the job site. Should the electrical circuit be modified or additional components be installed, so the modification must be performed according to the national standards and safety regulations (such as OSHA per the USA).
The installation must be certificated by an approved organization and a copy of the certification has to be sent to the LIEBHERR company. Always tilt up the safety lever before leaving the operators seat. Do not carry tools, replacement parts or other supplies while climbing on or off the excavator. Never use the steering column, control levers or joysticks as handholds. Never jump off the excavator, climb on and off the excavator using only the steps, rails and handles provided. When climbing on or off the excavator, use both hands for support and face the machine. If needed, use the front window as an escape hatch.
If no other guidelines are given, perform maintenance and repairs utilizing the following precautions : Park excavator on firm and level ground. Rest the attachment on the ground. Place all control in neutral position and raise the safety lever. 2.2