Sundstrom SR 592 Technical manual

2020-12-04
OI06H-4418 SR 592 1
SR 592
Revision: 03
Operation instruction
Welding shield

General information
Instructions for use for SR 592 should be read before use.
Sundström welding shield SR 592 together with the fan unit SR 500/SR 700 and approved filters are included
in the Sundstrom fan-assisted respiratory protective device system conforming to EN 12941/EN 12942:1998
When selecting the head-top, some of the factors that should be considered are as follows:
• Types of pollutants
• Concentrations
• Work intensity
• Protection requirements in addition to respiratory protective device.
The risk analysis should be carried by a person who has suitable training and experience in the area.
2020-05-07
OI06H-4418 SR 592 2

Unpacking SR 592
Packing list:
•Welding shield
•Breathing hose
•User instruction
•Cleaning tissue
2020-05-07
OI06H-4418 SR 592 3

1. Connect the breathing hose
2020-05-07
OI06H-4418 SR 592 4
1.1 Connect the hose to the
welding shield and turn it anti-
clockwise about 1/8 of a turn.
1.2 Connect the hose from
the welding shield to the fan
unit and turn it clockwise
about 1/8 of a turn.

2. Change the welding filter
2020-05-07
OI06H-4418 SR 592 5
2.1 Loosen the screw in the
holder for the welding filter
2.2 Release the holder for the
welding filter.
2.3 Fit the welding filter.
Fit the holder.
Tighten the screw

3. Change the inner protective lens
2020-05-07
OI06H-4418 SR 592 6
3.1 Loosen the screw in the
holder for the welding filter.
3.2 Release the holder for the
welding filter.
3.3 Fit the new inner
protective lens on the inside
of the welding filter.
3.4 Fit the protective lens.
Fit the holder.
Tighten the screw.

4. Change the correction lens
2020-05-07
OI06H-4418 SR 592 7
4.1 Loosen the screw in the
holder for the welding filter.
4.2 Release the holder for the
welding filter.
4.3 Fit the new correction
lens on the inside of the
welding filter.
4.4 Fit the correction lens.
Fit the holder.
Tighten the screw.

5. Adjust the head harness
2020-05-07
OI06H-4418 SR 592 8
5.1 Height adjustment.
How high the welding shield
sits on the head.
5.2 Angle adjustment
between shield and head
harness.
The angle against the shield.
5.3 Space adjustment
between shield and head
harness.
The space to the shield.
5.4 Width adjustment of the
head harness.
Adjustment of the width of the
head harness.

6. Functional check
2020-12-04
OI06H-4418 SR 592 9
6.1 Place the facepiece in the
bag and grip the opening of
the bag so that it seals
around the breathing hose.
Grip the flow meter with the
other hand and hold it so that
it points vertically up from the
bag.
6.2 Read the position of the
ball in the tube. It should float
level with or just above the
175 l/min marking on the
tube.
If the flow rate is below the minimum value, check that
• The flow meter is vertical.
• The float can move freely.
• The air supply is not restricted by kinks or other restrictions in the
hoses.

7. Putting the welding shield on
2020-05-07
OI06H-4418 SR 592 10
7.1 Start the fan unit. Raise
the visor and put the welding
shield on.
Adjust the width by turning
the knob at the back of the
head.
7.2 Lower the visor unit by
pulling the face seal down
under your chin.
7.3 Insert a finger between
your chin and the face seal
and run the finger along the
contact surface of the face
seal all the way round to
check that it fits well and
comfortable against the face,
.

7. Putting the welding shield on
2020-05-07
OI06H-4418 SR 592 11
7.1 Adjust the comfort of the
face seal with the drawstring, 7.2 Check and adjust so that
the breathing hose runs along
your back and that it is not
twisted.

8. Change the outer protective lens
2020-05-07
OI06H-4418 SR 592 12
8.1 Loosen the screw in the
holder for the welding filter.
8.2 Release the holder for the
welding filter.
8.3 Release and remove the
outer protective lens
8.4 Fit the protective lens.
Fit the holder.
Tighten the screw.

9. Change the Sweatband
2020-05-07
OI06H-4418 SR 592 13
9.1 Remove the sweatband.
9.2 Fit the sweatband on the
head harness.
9.3

10. Change the head harness
2020-05-07
OI06H-4418 SR 592 14
10.1 Remove the head
harness from the welding
shield by releasing the two
fixing points
10.2 Release the air channel
from the head harness and
remove the face seal.
10.3 Secure the two fixing
points of the head harness.
Check that the head harness
is locked in the fixing points of
the welding shield.
10.4 Adjust the head harness
according to the instructions
in section 5.

11. Change the face seal
2020-05-07
OI06H-4418 SR 592 15
11.1 Release the air channel
from the head harness.
11.2 Remove the face seal.
11.3 Fit the new face seal.
Mount the face seal on the air
channel.

11. Change the face seal
2020-05-07
OI06H-4418 SR 592 16
11.4 Press the face seal all
around the welding shield.
11.5 Attach the joint clamp
over the joint of the face seal.
11.6 Attach the air channel to
the head harness.

12. Cleaning
2020-05-07
OI06H-4418 SR 592 17
If the equipment is more heavily fouled, the sweatband can be
washed with a mild soap solution.
If necessary, spray the face shield with 70 % ethanol or isopropanol
solution for disinfection.
NOTE! Never use solvents for cleaning.
12.1 Sundström cleaning
tissues SR 5226 are
recommended for daily care.
12.2 Wipe the plastic
protective lens carefully, since
they are sensitive to
scratching.
Automatic welding filters are
very sensitive to moisture.
Use only a dry polishing cloth.

13. Maintenance schedule
2020-05-07
OI06H-4418 SR 592 18
Before
use
After
use Annually
Visual inspection
• • •
Cleaning
••
Change of o
-ring
for breathing hose
•