Tightness Test; Replacement Of Components; Replacing The Lens - MSA 3S-Basis Plus Manual De Instrucciones

4.2

Tightness Test

The tightness test is made with the MSA tightness test kit for full face
masks. The test is described in the Instructions for Use for the test kit.
Prior to using tightness kits from other manufacturers, the
MSA customer service should be consulted.
4.3

Replacement of Components

For repair only MSA spare parts must be used.
4.3.1 Replacing the Exhalation Valve Disc and the Valve Gasket
To replace the exhalation valve disc, remove the nose cup from the
exhalation valve housing. Unscrew the valve housing with the special
tool (Fig. 6). Replace the exhalation valve disc and gasket and
reassemble in reverse order.

4.3.2 Replacing the Lens

Loosen screws on lens ring, remove both ring halves and take out the
lens (see Fig. 7). Prior to fitting the new lens, assure that the groove of
the faceblank is completely clean. When assembling the new lens, the
middle markings on the new lens and lens ring must be match the
marking on the faceblank from the mold.
5 Intervals
The maintenance intervals are recommended by MSA. Applicable
national regulations must be observed. If required, the local conditions
during use must be considered for the work to be performed. In case of
doubt, the local MSA representative should be consulted and the
applicable national regulations be checked.
Work to Maximum Intervals
be performed
Prior to After
each each use
use
1)
Cleaning and
disinfection X
Visual-, Function-
and Leak Test
X
Exhalation Valve
disc replacement
Speech diaphragm
replacement
Check by user
(Tightness) X
1) Facepieces which are regularly used should be cleaned and disinfected as often
as required. They should be cleaned as soon as possible after each use
because perspiration or saliva that dries unto the valves could cause
malfunctions. The mask must be disinfected at least before it is used by another
person.
2) For airtight packaged facepieces.
6
Semi- Every Every Every
annually 2 years 4 years 6 years
X
X X 2)
X
X
6 Storage
The mask should be stored in the carrier.
In order to prevent damage or distortion of the mask, no additional
objects must be stored in the carrier.
Storage must be in clean and dry condition in normal climate, i.e. cool,
dry, free from hazardous material, protected against light and radiant
heat. It is recommended to observe German Standard DIN 7716:1982
and ISO 2230:2002.
7 Ordering Information
Description
Full face mask MSA 3S-Basis Plus
Inner mask
Lens
Lens frame, complete
Inhalation valve disc
Valve disc (Pack. of 5)
Exhalation valve disc (Pack. of 10)
Gasket Basis
Valve housing Basis
Head harness
Buckle
Carrier 3S (for storing mask with filter)
Prescription spectacles 3S
Special tool
MSA tightness test kit for full face masks
Accessories for tightness test
Part No.
D2055 790
D2055 701
D2055 121
D2055 810
D2055 012
D2055 725
D5135 912
D2055 812
D2055 813
D2055 014
D2055 968
D2055 709
according to type
D2055 038
D6063 705
D2055 789