Taking The Equipment Off; Maintenance Schedule; Technical Specification - Sundstrom SR905 Consignes D'utilisation

• Perform a fit check according to 3.4.
• Rotate back the belt so that the SR 905 is
placed at the back of your waist. With hose SR
951, see fig. 20. With hose SR 952, see fig. 21.
3.4 Fit check
• Place the palm of your hand lightly over
the hole on the pre-filter holder to make it
tight.
• Take a deep breath and hold your breath for
5 s. If the mask is tight, it will be pressed
against your face. Fig. 22.
If any leakage is detected:
• check that the membranes is undamaged,
• check that the connection with o-ring(s) and
attachment with gasket is undamaged and
fits properly,
• check that the hose not is twisted.

3.5 Taking the equipment off

Do not take off the equipment until clear of the
hazardous area.
• Rotate the belt around your waist so that you
reach the hose connection on the SR 905.
• Release the breathing hose from the SR
905. Fig. 23.
• Take the half mask together with the breathing
hose off. See SR 900 User instruction.
• Take the belt with the SR 905 off.
4. Maintenance
4.1 Cleaning
• Remove the filter holder and the filter.
• Clean the SR 905 and all parts with
Sundström cleaning tissues SR 5226.
If the SR 905 is heavily soiled, use a warm
(up to +40 °C), mild soap solution and a soft
brush, followed by rinsing with clean water
and drying in air at room temperature.
• Inspect all parts and replace with new parts as
necessary. Critical areas are the membranes
and the connections/attachments which
must have clean and undamaged contact
surfaces.
• Leave the equipment to dry, and then
assemble it.
NOTE! Never use solvents for cleaning.
4.2 Storage
The best way to store the SR 905 together with
the SR 900 and SR 951/952 is in Sundström
storage box SR 230. Keep it away from direct
sunlight or other sources of heat.

4.3 Maintenance schedule

Recommended minimum requirements on
maintenance routines so you will be certain the
the equipment will always be in usable condition.
Before
use
Visual
check
Fit check
Cleaning
Change
membrane
Change
gasket
Change
See User instructions for filters
filter
4.4 Change parts
Use only genuine Sundström parts. Do not
modify the equipment. Use of parts from
other suppliers will compromise the approvals
granted to the product.
For changing filter, filter holder, gasket and
membrane, see SR 900 User instruction.

5. Technical specification

Materials
PC/ABS
Shelf life
The shelf life for SR 905 is 5 years from the date
of manufacture, see the date clocks.
Temperature range
• Storing condition. Fig. 24.
• Using conditions. Fig. 25.
After Every
use year
25