09.2020
Seite 131 / 197
– Only trained personnel is allowed to maintain or to repair the excavator,
Untrained personnel is not allowed to enter this area. If necessary, an
observer can be arranged
Accessories
– Before removing or installing the accessories, a conductor will be
appointed.
– The accessories which are removed from the excavator should be put in
a stable place where the accessories do not fall. Measures should be
taken to prevent unauthorized persons from entering storage area.
Working under the excavator
– If you need to carry out maintenance under the machine or working
equipment, firmly support the working equipment and machine with
pads and brackets strong enough to support the weight of the working
equipment and machine.
– If the crawler tracks leaves the ground, the machine is only supported
by the working equipment; if the control levers or hydraulic pipes are
accidentally touched, the equipment or the machine may suddenly fall. If
the pads or the frames are not used to support the machines, working
under the machine is prohibited.
Noise
– If the noise of the machine is too loud, temporary or permanent hearing
problems can be caused.
– When persons maintain the engine and suffer the noise for a long time,
ear covers or earplugs should be worn.
Notice!
Using the hammer
– When using the hammer, pins may fly out, metal particles may scatter,
the serious damage can be caused, and then, the following steps need
to be followed:
o
If the hammer is used to strike hard metal parts, such as pins,
bucket teeth, blade or bearings, fragments may scatter and cause
harm, and therefore, goggles and gloves should be worn during
operating.
o
When striking the pins or the bucket teeth, the fragments may fly
out, ensure there are no people around to avoid personnel injury.
o
If struck strongly, the pins may fly out and cause injury to
surrounding people.
Welding operation
– Only the proper device can be used, and the operation shall be
performed by qualified welders.
Removing the battery terminals
– When repairing electrical systems or welding, the terminals of the
battery negative electrode (-) will be dismantled, which prevents the
current from flowing.
