Instruction 3M™ Fresh-air™ C Supplied Air Regulator
USER INSTRUCTIONS
Please read these instructions in conjunction with other
relevant 3M User instructions and Reference leaflets where
you will find information on approved combinations, spare
parts and Accessories.
UNPACKING
The equipment should contain: Regulator, Belt, Breathing
tube, Storage/Air flow test bag, User Instructions and
Reference Leaflet.
SYSTEM DESCRIPTION
3M™ Fresh-air™ C Supplied Air Regulator is a breathing
protection device, for increased comfort and safety during
welding and allied processes when used as a system in
combination with approved headtops.
The regulator incorporates a low flow alarm. A warning sound
will be emitted from the whistle located on the regulator if the
flow drops below the minimum acceptable level. In case of a
sudden loss in the supplied air pressure the whistle will emit
a short burst of sound. The regulator has an auxiliary outlet
port capable of accepting pneumatic tools.
WARNING
Proper selection, training, use and maintenance are
essential in order for the product to help protect the wearer
from certain airborne contaminants. Failure to follow all
instructions on the use of these respiratory protection
products and/or failure to properly wear the complete
product during all periods of exposure may adversely affect
the wearer's health, lead to severe or life threatening illness,
injury or permanent disability.
For suitability and proper use follow local regulations, refer to
all information supplied or contact a safety professional/3M
representative (local contact details).
Particular attention should be given to warning statements
where indicated.
APPROVALS
These products meet the requirements of the European
Community Directive 89/686/EEC (Personal Protective
Equipment Directive) and are thus CE marked. The
product comply with the harmonized standard EN 14594
(Respiratory protective devices – Continuous flow com-
pressed air line breathing apparatus – Requirements,
testing, marking) and EN 270 (Respiratory protective device
– Compressed air line breathing apparatus incorporating
a hood – Requirements, testing, marking). Certification
under Article 10, EC type examination and Article 11, EC
Quality Control has been issued by INSPEC International
Ltd (Notified body number 0194).
LIMITATIONS OF USE
Always ensure that the source and purity of the air supply
is known
The supplied air to the inlet of the regulator must be of
breathable air in accordance with EN12021
The moisture content of the air should be controlled
within the limits in accordance with EN12021, to avoid
the air freezing the regulator
Only use with original 3M™ Speedglas™ spare parts and
accessories listed in the reference leaflet and within the
usage conditions given in the Technical Specifications
The use of substitute components or modifications
not specified in these user instructions might seriously
impair protection and may invalidate claims under the
warranty or cause the product to be noncompliant with
protection classifications and approvals
2
3M™ Fresh-air™ C Supplied Air Regulator System must
not be used if the regulator does not supply enough
air (low flow alarm). Use the air flow check procedure
described in fig C:1
3M Fresh-air C Supplied Air Regulator System must not
be used in flammable or explosive environments
Note that the breathing tube might make a loop and get
caught up by something in the surrounding area
If you are not sure about the concentration of pollution, or
about equipment performance, ask the industrial safety
engineer. The manufacturer is not responsible for injury
following incorrect use or incorrect choice of equipment
Do not use oxygen or oxygen enriched air
If it is intended to drive pneumatic accessories via the
auxiliary port, always ensure that at least minimum flow
conditions to the headtop are met when the accessory is
consuming its maximum airflow requirement
EQUIPMENT MARKING
3M™ Fresh-air™ C Supplied Air Regulator is marked to EN
14594 (EN270).
= Read the instructions before use.
PREPARATION FOR USE
Check that the equipment is complete (see fig A:1),
undamaged and correctly assembled, any damaged or
defective parts must be replaced before use.
Fit the regulator to the belt, (see fig B:1)
Connect the breathing tube to the regulator and headtop.
The airflow and alarm system must always be checked
before use (see fig C:1) to ensure sufficient airflow.
Set the air flow to a minimum, place the headtop into
the storage bag, connect or switch on the supply of
Compressed Air, wait until the position of the ball becomes
stable and then check that the bottom of the ball is above,
or on the same level as the marking on the flow meter tube.
OPERATING INSTRUCTIONS
Connect the regulator to the Compressed Air Supply Tube
(CAST). The air flow can be varied by pulling and rotating
the adjustment knob on the regulator (see fig C:1)
Do not remove the headtop or disconnect the regulator until
you have vacated the contaminated area.
CLEANING INSTRUCTIONS
The regulator can be wiped off with a cloth. If you suspect that
the inside of the breathing tube is dirty, it must be changed.
To avoid damage to the equipment do not use solvents
for cleaning. Do not immerse in water or spray directly
with liquids.
MAINTENANCE
Inspect the equipment daily, and always check it if any
signs of malfunction occurs.
Faulty connections must be rectified. The breathing tube
should be exchanged in the case of damage or leakage or
if oil mist is present.
Worn out product parts should be disposed of according
to local regulations
FAULT FINDING
In the event of a fault occurring, reduction or sudden
increase of the airflow, leave the contaminated working area
immediately and carry out the following procedures:
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