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2.5 Forbidden uses
Forbidden use
Risk
Measures
Operation in explosive atmosphere
Fire and explosion
Forbidden use
Suction of explosive, toxic and
dangerous gases
Fire and explosion
Environment pollution
Risk of operators health
Operation with free nozzles
Environment pollution
Risk of operators health
Suction of liquids
Blower stall and ejection of parts
Install a liquid separator on the suction nozzle of
the blower
Operation with shut off valve locked
Overheating
Fire
Blower stall and ejection of parts
Inform the qualified personnel charged with the
blower
Operation with wrong direction of
rotation
Ejection of dangerous substances
Blower stall and ejection of parts
Operation with speed higher than
the maximum one
Blower stall and ejection of parts
Use suitable limits to the motor speed when it is
supplied with frequency converter
Operation with speed lower than the
minimum one
Operation with pressure
P1
higher than the maximum one
Ejection of dangerous substances
Use a safety pressure switch when the blower
sucks from a closed circuit
Operation with pressure
P1
lower than the minimum one
Blower stall and ejection of parts
Operation with pressure P2-P1
higher than the maximum one
Blower stall and ejection of parts
Set up the relief valve
Operation with temperature
T1
higher than the maximum one
Overheating
Fire
Blower stall and ejection of parts
Use a safety temperature switch when the
blower sucks from a closed circuit
Operation with temperature
T1
lower than the minimum one
Blower stall and ejection of parts
Operation with temperature
T2
higher than the maximum one
Overheating
Fire
Blower stall and ejection of parts
Use a safety temperature switch when the
blower sucks from a closed circuit
Operation with temperature T2-T1
higher than the maximum one
Blower stall and ejection of parts
Use a differential temperature switch when the
blower sucks from a closed circuit
Stopping the ROBOX with counter
pressure
High current absorption
Fire
Use a suitable stopping procedure
2.6 Residual risks
Hazard
UNI EN 1012-1 Compressor
Residual risk
Cutting, severing, drawing
in, trapping, entanglement,
friction and abrasion
Do not approach the transmission guard with no suitable clothes
Advice in the manual. Protect cooling port properly to cutting and trapping risk
Fluid ejection
Overcoming the operation limits (par. 2.2) can cause the risk of ejection of parts
Ejection of parts
Overcoming the operation limits (par. 2.2) can cause the risk of ejection of parts
Loss of stability
None
Electric installation
None
The electric equipment is not supplied by ROBUSCHI
Electrostatic phenomena
External influences on
electrical equipment
Thermal safety
The surface of the blower and of the discharge silencer can be higher than 70 °C
Label C.7 on the surfaces
Advice in the manual
Noise
The sound pressure level can be higher than 85 dB(A)
Wear the noise protection devices
Label C.2 on the inlet filter
Advice in the manual
Suction of liquids
Forbidden use can cause the risk of suction of liquids
Gas
Forbidden use can cause the risk of suction of dangerous gases
Fire and explosion
Overcoming the operation limits (par. 2.2) can cause the risk of fire and explosion
Operation with shut-off valve locked can produce the risk of fire
The not correct maintenance can cause the overheating and the risk of fire
Failure of energy supply
Ejection of fluids and parts
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