Safety instructions, Signs on the machine

Maintenance

Electrocution hazard! Danger of death.

Certain parts of the electrical circuit remain powered even after the main supply circuit has been opened, after the start key is removed or after the battery (option) is disconnected. See electrical diagram of the machine. the machine is switched off and locked and tagged:

-work on the hydraulic and electrical rotary connection

-work on the hoses edure for each cleaning, maintenance or repair work of the machine.

Before carrying out any work on the machine: ication and habilitation level is sufficient for the task.

The following operations can only be carried out by qualified electricians: ative hazardous power sources, ng an electrical box with a tension over 50V

To lock and tag the main power supply station, observe in particular the following instructions: for persons working on the electrical circuit or on the machine. elements: at least one qualified person. e circuit breaker in the safety electrical box delivered with the machine (if installed). connection box (no cut-off switch or circuit breaker) delivered with the machine. not carry out the planed work on the machine yourself.

2.4Safety Instructions

General safety instructions

with the operating instructions before starting up the machine.

understood any additional instructions relating to special accessories for the machine.

erate, maintain or repair the machine. The legal minimum age is to be adhered to.

structed personnel. Clearly establish which personnel are responsible for operating, setting up, maintaining and repairing the machine. Give personnel the power to refuse to carry out unsafe instructions by third parties. This also applies in relation to traffic regulations.

general training to operate on the machine under the constant supervision of an experienced member of staff.

ensure that they are adhering to safe working practices, are aware of risks and are observing the operating instructions.

Avoid wearing rings, wrist watches, ties, scarves, open jackets, baggy clothing etc... There is a risk of injury from, for example, getting caught up or being drawn in.

tective goggles, safety helmets, safety shoes and gloves, reflective vests and ear protection etc...).

y special safety regulations for the job site from the site foreman.

joystick. Doing this could cause unintentional movement, which could result in an accident.

steps, ladders, gangplanks and supporting straps provided for this purpose.

two hands and one foot or two feet and one hand must always be in contact with the access system at the same time.

cation of the emergency exit.

and repair work: ge so that the sprockets locate at the back-end circuits, you must also operate all pilot control devices (joystick and pedals) in all directions with the start key in contact position and with the security lever lowered, in order to reduce the actuating and dynamic pressures in the work circuits. You must then reduce the internal tank pressure as described in these operating instructions. checking whether any warning signs are missing or illegible. must be equiped with specific safety equipments. Work only if they are mounted and functional. which may affect safety without the express permission of the manufacturer. This also applies for the installation of safety devices and valves and for welding work on load-bearing parts. been validated by LIEBHERR for installation or extension, has not to be installed or added onto the excavator without previous written agreement of LIEBHERR. disposal.

Avoidance of crushing and burns

not safely positioned on the ground or supported.

ropes or chains.

correct punch for the procedure.

hen the engine is on. The fan will eject or destroy these objects and will itself be damaged.

exhaust system and of the hydraulic system can reach very high temperatures. Avoid coming into contact with coolant carrying parts, with parts from the exhaust system and with hot oil or oil-bearing parts.There is a risk of sustaining burns. g cap of the expansion container has cooled to a point where it is possible to touch it. Then turn the cap carefully to let off the overpressure.

d gloves when working on the battery. Avoid sparks and naked flames.

be guided by hand by auxiliary personnel.

against unintentional closing by positioning the supports provided for this purpose.

ed with work equipment and has not been correctly and securely supported with hardwood beams.

Avoidance of fire and explosions

refuelling and charging the batteries.

ons, blown fuses and lamps and clogged or abraded cables rectified by personnel.

the tanks provided for this purpose.

and replace damaged components.

abrasion and heat accumulation.

e vicinity of heat sources, naked flames or in inadequately ventilated areas.

ng ether to start diesel engines with preheating or flame glow systems. There is a risk of EXPLOSION.

e location and operation of fire extinguishers on the machine and with local fire warning and fire abatement options.

to facilitate the fight against fire in case of.

Safely starting the machine machine.

unlocked to facilitate access in case of emergency.

the machine are present and legible. rrors clean. Secure doors and windows against unintended movement.

nity of the machine that it is about to start.

Safely getting up

the machine, position the machine on even, horizontal ground. Position the upper structure with the undercarriage in such a way that the steps and ladders are aligned with each other.

ils (grips) are in good condition. In particular, ensure that they are free of dirt, oil, ice and snow.

in all weather conditions, the door seals must be dusted with talc or silicon at least every two months or more often if required. The door hinges and locks should be greased regularly.

method, i.e. two hands and one foot or two feet and one hand must always be in contact with the access system at the same time.

as necessary and open it, while paying attention to remain out of its swing radius before you climb any higher. External influences, such as wind, can make it more difficult to open doors.

Because of this, always lead along the door with your hand during the whole opening motion. Ensure that the door locks in place when reaching its open position, so to prevent it can slam open and shut.