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IGNITION HAZARD ASSESSMENT
against the requirements for Group II Category 2 equipment
for 2HM5 & 2H410 motors
Potential Ignition Source
Measures applied
Ignition
( 1 l
to prevent the
protection used
Normal operation
Expected malfunction
source becoming
(1 a)
(1 b)
effective
(3)
(2)
Hot surfaces
Hot surfaces
Installer I user to
EN 13463-1 2001,
Type tests under
Type tests were conducted
ensure adequate
6.1 & 15
conditions of normal
after oil and grease had been
ventilation around the
lubrication showed the
wiped off internal
product, to avoid heat
Temperature class
maximum temperature
components, to simulate dry
build up.
85 °C (T6).
reached by external
running conditions; the air
parts to be 23 'C
supply was un-lubricated.
User to follow product
This hazard
above ambient
Under such conditions, the
instructions regarding
assessment to be
maximum temperature rise
service intervals and
supplied to the
Product is designed to
was 35 'C above ambient
lubrication of the air
installer I user,
operate in a maximum
supply.
who shall apply the
ambient temperature
measures
of +40°C.
indicated.
Heavy duty use tends
to cause cooling in
pneumatic motors, due
to exoansion of the air.
Flammable
Flammable substances
Installer I user to
EN 13463-5 2003,
substances
Under conditions of foreseen
ensure that exhausted
4.5.1 & 15
Vaporized lubricating
malfunction, internal
oil does not reach the
oil is continuously
temperature rises do not
conditions necessary
This hazard
exhausted in the air
create conditions leading to
for ignition when
assessment to be
stream The
ignition of lubricants, due to
motors are
supplied to the
recommended oil,
the fact that oil vapour is only
incorporated into
installer I user,
Shell Tellus T15, has a
present in the fast moving,
complete machines.
who shall apply the
flash point of 150°C.
cool air stream
measures
Maximum external
indicated.
temperature reached by the
product is more than 50°C
below the flash point of the
oil.
Electrostatic charges
Electrostatic charges
Installer I user to
EN 13463-1 2001,
Not assessed as being
No additional effect foreseen
ensure that:
7.4 & 15
a hazard which could
as a result of malfunction of
• the workpiece is
be generated by the
the motor.
earthed
Group llC
product, which does
• the motor is earthed
not have any external
via its mounting or
This hazard
non-conductive parts.
by fitting an anti-
assessment to be
Could possibly be
static air supply
supplied to the
generated by the
hose.
installer I user,
process e.g. if the
who shall apply the
motor is used to drive
measures
a non-conductive belt
indicated.
55105
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