Visor
Check the condition of the inspection glass before use and replace it if necessary. For easy replacement, the visor
has four fixing points, of which the upper 2 (eccentric) are used to clamp the visor. No tools are required for repla-
cement.
Dismantling the visor:
The 2 eccentric buckles on the right and left side have to be turned clockwise by 180 degrees to be released from
the Multimask Pro. Fig. 9.0 + 9.1
Then press lightly against the visor at the bottom of the mask hook until the disk pops out. Fig. 10.0
Mounting the visor:
Fasten the new visor to the lower mask hook and then insert the two eccentric buckles on the right and left side
into the respective holes and fasten it again with a 180 degree counterclockwise rotation. Please make sure that the
visor is mounted correctly and lies on the visor seal.
Exhalation valve
The flutter valve is located on a pin on the Multimask Pro. To change the flutter valve, the visor must be removed
first. Then remove the flutter valve from the pivot and replace it by a new one by pressing the new valve on the
pivot. Please make sure that the valve is correctly and tightly fitted.
Headband / Strapping
If one of the eccentric buckles does not work, both buckles must be replaced with new ones.
Dismantling headgear:
The 2 eccentric buckles on the right and left side have to be turned clockwise by 180 degrees to be released from
the Multimask Pro. Fig. 9.0 + 9.1
Mounting the headgear:
The eccentric buckle on the right must be mounted in the right side of the mask frame and the eccentric buckle
on the left side must be mounted in the right side of the mask frame. The eccentric buckles are attached to the
Multimask Pro by turning 180 degrees counterclockwise.
Visor seal
Disassembly of the visor seal:
The visor seal should be replaced if the material appears porous or its full function can no longer be guaranteed.
To do so, simply pull the seal off the Multimask Pro and remove any adhesive residue from the Multimask Pro.
Mounting of visor seal: (To be performed at the manufacturer's factory or at authorized service centers)
•
Clean the Multimask Pro on the surface to be glued.
•
Important: the seal must not be mounted on tension!
•
Glue the bottom seal with the adhesive side onto the Multimask Pro.
•
Glue the upper seal onto the Multimask Pro.
•
Please make sure that no leaks are caused by incorrect gluing of the seal or at the connecting pieces from
the lower to the upper part of the seal.
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Clean the equipment before storing it. After cleaning, store the equipment in a dry and clean place, away from direct
heat and sunlight. The equipment should be stored in a closed container or cabinet, protected from dust, light, va-
pors, chemical agents and as far away from heat sources as possible. A properly stored, unused blower will function
even after a long period of storage.
The following storage temperatures are best maintained for
the complete equipment.
The Multimask Pro is heavy waste. Contaminated parts or a contaminated Multimask Pro, as well as used filters are
hazardous waste and must be disposed of depending on the filtered materials (gases and particles).
The choice of headboard or equipment depends on the working conditions, the work tasks and the prescribed pro-
tection factor.
• Field of application: See DGUV rule 112-192 / BGR 190 (ZH 1/701) Rules for the use of breathing apparatus.
• See also BGI 504-26 (ZH1/600.26) Suitability for respiratory protection (occupational medical examination).
Filter units are divided into equipment classes according to their respiratory protection performance. The following
Table 1 applies:
Device class
Helmets / Hoods / Suit with blower and particle filters
TH2P
TH3P
Helmets / hoods / suit with blower and gas filters (*2)
TH2 Gas filter class 1,2,3
TH3 Gas filter class 1,2,3
The specifications also apply analogously to combination filters.
Isolating devices are divided into equipment classes according to their respiratory protection performance. The
following table 2 applies:
Device class
Helmets / Hoods / Suit with compressed air control valve
2A / 2B
3A / 3B
•
VdgW: multiple of the limit value, DGUV rule 112-190 Use of breathing apparatus
•
GW1 are e.g. the limit values in the air at the workplace listed in TRGS 900 - MAK and TRK values (MAK = maximum workplace concentration; TRK = technical
standard concentration).
•
(* 2) Unless the maximum permissible concentrations for gas filters in blower filter units of 0.05 vol-% in gas filter class 1, 0.1 vol-% in gas filter class 2 and 0.5 vol-%
in gas filter class 3, based on the gas absorption capacity, are already exceeded.
•
Leakage: Permissible maximum percentage for the total inward leakage
28
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Rev. 5.0
5. Storage & Disposal
< 70%
6. Selection of filter units with blower
VdgW (GW1)
Leakage*
Remarks / Restrictions
20
2%
100
0,2%
20
2%
100
0,2%
VdgW (GW1)
Leakage*
Remarks / Restrictions
20
2%
100
0,5%
+30°C
0°C
-
-
-
-
-
-
29