Maintenance Schedule; Technical Specification - Sundstrom SR 905 Instrucciones De Uso

• Assemble the breathing hose into the half
mask. Fig. 17.
• Put on the half mask. See SR 900 User
instruction.
• Make sure that the breathing hose runs along
your back and is not twisted. Fig. 18.
• Rotate the belt around your waist so that
you reach the hose connection on SR 905.
• Assemble the breathing hose into SR 905.
Fig. 19.
• Perform a fit check.
• 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.
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.
3.4 Doffing
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.
24
• If necessar y, spray the SR 905 with
70 % ethanol or isopropanol solution for
disinfection.
• 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
See User instructions for SR 951/
membrane SR 952
Change See User instructions for SR 900
gasket
and SR 951/SR 952
Change
See User instructions for filters
filter
4.4 Change parts
Always use genuine Sundström parts. Do not
modify the equipment. The use of non-genuine
parts or modification of the equipment may
reduce the protective function and put at risk
the approvals received by the product.
For changing filter, filter holder, gasket and
membrane, see SR 900 User instruction.

5. Technical specification

Materials
PC/ABS
Temperature range
• Storing condition. Fig. 24.
• Using conditions. Fig. 25.
After
use