31
4.4.2 To change the exhalation
membranes
The exhalation membranes are mounted on a
dowel on the inside of the valve covers on each
side of the mask body. Fig. 1/5. The covers
should be changed whenever the membranes
are changed.
• Snap the valve covers off the membrane
seats. Fig. 1/6
• Prise off the membranes.
• Press the new membranes onto the dowels.
Carefully check that the membranes are in
contact with the membrane seats all round.
• Press the valve covers into place. A clicking
sound indicates that the cover has snapped
into place.
4.4.3 To change the head harness
• Detach the head harness by pushing the
two connection points towards the filter
attachment.
• Check that the straps are not twisted and
snap on the new harness by putting each
plastic swivel into the contoured slot and
pulling it until it snaps in.
For product/equipment certified to AS/
NZS1716:2012; for advice, see also AS/
NZS1715:2009 Use and Maintenance of
Respiratory Equipment.
5. Technical specification
Inhalation resistance
≈ 3 Pa, at 30 l/min.
Exhalation resistance
≈ 70 Pa, at 160 l/min.
Materials
The material and pigments of the SR 100 mask
body are approved for exposure to provisions,
which minimizes the risk of contact allergies.
All plastic parts are marked with material codes
and recycling symbols.
Shelf life
The half mask SR 100 have a shelf life of 10
years and SR 90-2, SR 90-3, 5 years from the
date of manufacture which can be established
by examining the date wheel in the filter attach-
ment of the mask.
Size
Manufactured in two sizes, small/medium (S/M),
and medium/large (M/L).
Temperature range
Storage temperature: from -20 to +40 °C at a
relative humidity (RH) below 90 %.
Service temperature: from -10 to +55 °C at a
relative humidity (RH) below 90 %.
Weight
Small/medium: ≈ 165 g.
Medium/large: ≈ 175 g.
6. List of parts
The item numbers below refer to Fig. 1 at the
end of these instructions.
Item Part No.
Ordering No.
Half mask SR 100 S/M
H01-2112
Half mask SR 100 M/L
H01-2012
Half mask SR 90-2 S/M
H01-2312
Half mask SR 90-2 M/L
H01-2212
Half mask SR 90-3 S/M
H01-2712
Half mask SR 90-3 M/L
H01-2612
1. Mask body
-
2. Filter attachment
-
3. Head harness SR 363, single strap R01-2001
3. Head harness SR 362, cradle strap R01-2002
4. Membrane seat
-
5. Exhalation membrane
-
6. Protective cap
-
7. Inhalation membrane
-
8. Pre-filter holder SR 5153
R01-0604
9. Test disc SR 322
R01-0303
10. Pre-filter SR 221
H02-0312
11. Particle filter P3 R, SR 510
H02-1312
12. Gas filter A1, SR 217
H02-2512
12. Gas filter A2, SR 218
H02-2112
12. Gas filter AX, SR 298
H02-2412
12. Gas filter ABE1, SR 315
H02-3212
12. Gas filter ABE2, SR 294
H02-3312
12. Gas filter K1, SR 316
H02-4212
12. Gas filter K2, SR 295
H02-4312
12. Gas filter ABEK1, SR 297
H02-5312
Combined filter filter
ABEK1-Hg-P3 R, SR 299-2
H02-6512
Membrane kit SR 369 for
SR 100, SR 90-3, fig. 3
R01-2004
Membrane kit SR 371 for SR 90-2 R01-2201
Inhalation membrane
-
Exhalation membranes
-
Protective caps
-
Service kit SR 100, SR 90-3, fig. 4 R01-2005
Service kit SR 90-2
R01-2202
Head harness
-
Membrane kit
-
Pre-filter holder
-
Protective hood SR 64, fig. 5
H09-0301
Protective hood SR 345, fig. 6
H09-1012
Protective hood SR 346, fig. 7
H09-1112
