© HAMM AG 2009 9
GENERAL
Selection and qualification of staff; general
duties
• Any work with or on the machine must only
be performed by appropriate and reliable
staff. The minimum legal age must be ob-
served.
• Only trained or instructed staff may be
used.
• The responsibility of the staff for operation,
maintenance and servicing must be clearly
defined.
• It must be ensured that the machine is on-
ly operated by staff ordered to do this.
• The responsibility of the machine operator
- also with respect to traffic regulations -
must be defined; these must allow him or
her to reject unsafe instructions of third
parties.
• Any staff to be trained, instructed, taught-
in, or any staff within a general education
measure, may only work on the machine
under the continuous supervision of an ex-
perienced person.
• Any work on electrical equipment of the
machine may only be performed by a spe-
cialised electrician or by instructed per-
sons under the supervision of a special-
ised electrician and according to the rules
of electric engineering.
• Any work on suspensions, braking and
steering installations may only be per-
formed by specialised staff trained for this.
• Only staff with specialist knowledge and
experience of hydraulics may work on hy-
draulic installations.
Safety notes on certain operation phases
Normal operation
• All working modes which are questionable
with respect to safety must not be per-
formed.
• The operator must get familiar to the work-
ing environment at the place of utilisation
prior to the start of work. The working envi-
ronment includes e.g. the obstacles in the
working and traffic area, the load carrying
capacity of the underground and neces-
sary safeguarding of the working site to-
wards public traffic.
• Measures must be taken which only allow
the operation of the machine in a safe and
functional condition. Only operate the ma-
chine if all protection devices and safety-
related devices, e.g. detachable protection
equipment, EMERGENCY STOP devices
(NOT-STOP), sound protection devices,
aspiration devices, are existing and opera-
tive.
• The machine must be inspected with re-
spect to visually detectable damages and
defects at least once per shift. Any oc-
curred changes (including changes of the
operational behaviour) must be notified
immediately to the responsible entity/per-
son. If necessary, immediately shut down
and secure the machine.
• In case of malfunctions, the machine must
immediately be shut down and secured.
Have the malfunction eliminated immedi-
ately.
• Starting the engine and conducting the
machine may only be performed from the
drivers seat. Do not start the engine by
short-circuiting the electric connections at
the starter, since the machine could imme-
diately start moving. Also, the function of
the starter protection switch must not be
overridden.
• Get familiar with all devices and operating
elements as well as with the functions of
these prior to starting the engine. It is too
late to do this during work.
• The acceleration and braking behaviour of
the machine are influenced by viscous hy-
draulic oil. For this reason, warm up the
machine during the warming phase with
moderate speed and low load until the hy-
draulic oil has heated to 20 °C (68 °F).
• Always wear a safety belt during travel.
• Never adjust the driver's seat during trav-
el.
• The vibration function must never be used
in the immediate vicinity of buildings (dan-
ger of collapse). Prior to switching on the
vibration function, ensure that any lines
laid in the underground (gas, water, sew-
age, electricity lines) are not damaged or
destroyed.
• Observe all switching processes and con-
trol displays according to the operating in-
structions.
• Prior to starting the machine ensure that
nobody can be put into danger by the
starting of the machine.
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