GENERAL
12 © HAMM AG 2009
Notes with respect to special types of
danger
Electrical energy
• Only use original fuses with the correct
power value. Immediately shut down the
machine in case of troubles in the electric
power supply.
• During the start of the machine with bat-
tery connection cables, always connect
the positive pole to the positive pole and
the negative pole to the negative pole. Al-
ways connect the negative pole last and
disconnect it first.
• Keep sufficient distance between the ma-
chine and overhead voltage lines. During
works near electric overhead lines, the
equipment must not come near to the
overhead lines. Danger of life! Inform your-
self about safety distances to be kept.
• After touching high-voltage lines:
• Do not leave the machine
• Drive the machine out of the danger
area
• Warn surrounding persons not to
come nearer and not to touch the ma-
chine
• Have the voltage shut down
• Only leave the machine after it abso-
lutely sure that the touched/damaged
line is de-energised.
• Any work on electrical installations or op-
erating resources may only be performed
by a specialised electrician or by instruct-
ed persons under the supervision of a spe-
cialised electrician and according to the
rules of electric engineering.
• During works at the electric installation,
the machine must be de-energised at the
battery disconnector or by disconnecting
the negative pole (earthing strip) at the
battery.
• Do not smoke during maintenance work at
the battery (danger of explosion). Keep
away igniting sparks or open flames.
• Dispose used batteries properly.
• The electrical equipment of a machine
must be inspected/tested regularly. Any
defects, as e.g. loose connections or burnt
cables, must be eliminated immediately.
• Only use tools insulated against voltage.
Gas, dust, vapour, smoke
• Only operate combustion engines and fu-
el-operated heating systems in sufficiently
ventilated areas. Take care for sufficient
ventilation before starting in closed rooms
(danger of poisoning). Observe the regula-
tions applying for the respective place of
application.
• The operation of the machine is inadmissi-
ble in places where flammable gases or
dusts can occur (e.g. near fuel storage ar-
eas, coal storage areas, cereals storage
areas, wood dust or similar).
• Unusual sounds and strong smoke ex-
haust of the engine during operation can
point to dangers. Find out the cause and
have the damage repaired.
• Welding, torching and grinding work may
only be performed at the machine if this is
expressivley admitted. There may be fire
and explosion hazard.
• Prior to welding, torching and grinding,
clean the machine and its surroundings
from dust and flammable substances and
take care for sufficient ventilation (danger
of explosion).
Hydraulic system, pneumatic system
• Only staff with specialist knowledge and
experience of hydraulics may work on hy-
draulic installations.
• All lines, hoses and screwed connections
must be checked for leaks and visible
damage (at least once per year). Dam-
aged parts must be replaced immediately.
Further operation is inadmissible. Oil
spurting out can lead to injuries and fire.
• Liquids spurting out under high pressure
(hydraulic oil, fuel) can penetrate the skin.
In case of such injuries consult a doctor
immediately; otherwise, severe infections
may occur.
• Prior to work on hydraulic lines, safeguard
the machine against rolling away (parking
brake, wedges). Lower down add-on de-
vices completely. Only then remove the
pressure from the lines.
• Remove the pressure from system sec-
tions to be opened and from pressure lines
(hydraulics, compressed air) according to
the assembly descriptions prior to begin-
ning the repair work.
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