MACHINE TOWING SAFETY Always wear proper work clothing when maintaining the excavator. Certain work may only be performed with a hard hat, safety shoes, safety glasses and gloves. Observe the correct procedure: check the index in your Operation and Maintenance manual and refer to the appropriate section : Towing the Excavator. During maintenance, do not allow unauthorized personnel to enter the maintenance area. Only tow the excavator if absolutely necessary, for example to remove it for repairs from a dangerous job site. Secure the maintenance area, as necessary. Inform the operator before any special or maintenance work. Make sure he knows the person, who is in charge of the work.
Be sure all towing and pulling devices such as cables, hooks, and couplers are safe and adequate. Make sure that the cable or the towing rod are strong enough and are routed around the centre of the undercarriage or to the towing hook on the undercarriage, which is designated for this purpose. Be aware that any damage to the machine caused by towing is never covered by the manufacturer's warranty. If not otherwise noted in the Operation and Maintenance Manual, always make sure the excavator is parked on firm an level ground and the engine is turned off. During maintenance and service work, make sure you always retighten any loosened screw connections!
Never allow anyone to stand near the cable when pulling or towing the excavator. If it is necessary to disconnect or remove any safety devices during set up, maintenance or repair, make sure that after completion of repairs, the safety devices are reinstalled and checked for proper function. Keep the cable tight and free of kinks. Engage travel slowly, and do not jerk. With a slack cable, the sudden impact of the load being towed could snap and break. Before any maintenance work and especially when working under the machine, make sure a Do not operate tag is attached to the starter switch. Remove the ignition key.
After end of maintenance works or repair, restart the machine according to the instructions "Machine start up", in this manual. Keep personnel out of area. If cable breaks while under stress, it could cause severe injury. During the towing procedure, keep within the required transport position, permissible speed and distance. After the towing procedure is completed, return the machine to its previous state. Before any repairs or maintenance work, clean any oil, fuel and / or cleaning substances from any fittings and connections . Dont use any harsh cleaners and use only lint free cloths. Proceed as outlined in the Operation and Maintenance Manual when putting the excavator back in service.
Use only non-flammable cleaning fluids to clean the machine. MACHINE MAINTENANCE SAFETY Any welding, torch or grinding work on the machine must be explicitly authorized. Written authorization is necessary for welding on carrying structures. Before any using a welder, torch or grinder, clean off any dust and dirt and remove any flammable materials from the surrounding area. Make sure the area is sufficiently ventilated. Danger of Fire and Explosion! The machine may not be made unsafe when performing maintenance work. Never attempt maintenance procedures or repairs you do not understand. Check the Operators and Maintenance Manual for service and maintenance intervals.
Make sure you use only appropriate tools for all maintenance work. Before cleaning the machine with water or steam (high pressure cleaning) or other cleaning fluids, make sure that all openings, which , for safety and/ or functioning reasons should not be exposed to water / steam/ cleaners, are covered and / or masked off. Especially sensitive are electrical motors, control boxes and plug connectors. Refer to your Operators and Maintenance Manual to see, who is authorized to perform certain repairs. The operator should only perform the daily / weekly maintenance procedures. The remaining work may only be performed by especially trained personnel.
Use only replacement parts corresponding to the technical requirements specified by the manufacturer. This is assured by using only original Liebherr replacement parts. 2.8