To Change The Face Seal; Technical Specification; Key To Symbols - Sundstrom SR 580 Notice D'utilisation

• Check and, if necessary, clean the seal groove in the valve
seat.
• Press the new membrane securely on the pin. Carefully
check that the membrane is fully in contact with the valve
seat.
• Press the valve cover firmly back into position. A 'snap'
indicates that it is locked in position.
4.4.2 To change the visor
No tools are required to replace the visor. Do the following:
• Unhook the face seal from the harness (fig. 8).
• Remove the lower visor frame (fig. 17).
• Remove the visor.
• Fit the visor into the lower visor frame. Applying a little water
to the seal will make fitting easier (fig.6).
• Fit the lower visor frame to the helmet by sliding it into
position. A 'click' indicates that is locked in position
(fig. 7a-7d).
• Check that the visor has achieved a full seal around the entire
visor frame.
• Attach the hooks in the harness (fig. 8).

4.4.3 To change the face seal

The face seal plastic frame has a groove in which a flange on
the lower visor frame fits. The frame locks into position using
two pins – one at either end -, which fit into a hole in the visor.
The face seal covering has hooks at either end that attach to
the head harness. Do the following:
• Unhook the face seal from the head harness (fig. 8).
• Remove the lower visor frame (fig. 17).
• Unfasten the face seal by pulling its frame until the pins
release from the holes in the visor (fig. 5).
• Remove the face seal.
• Fit the face seal on the inner flange in the lower visor frame
(fig. 3) Start at one side, push the pin upwards and control
that the lip is fastened in the lower visor frame. (fig. 4).
• Push along the face seal frame so it is securely fastened on
the lower visor frame (fig. 5). Control that the pin and lip is
fastened on both sides (fig. 4).
• Fit the lower visor frame to the helmet by sliding it into
position. A 'click' indicates that it is locked in position
(fig. 7a-7d).
• Attach the hooks in the head harness (fig. 8).
4.4.4 To change the sweatband
The sweatband is attached to the forehead strap by a Velcro
tape. Do the following:
• Unhook the face seal from the head harness (fig. 8).
• Remove the sweatband.
• Fit the Velcro tape with the rough side towards the forehead
strap and the groove facing upwards.
• Attach the face seal hooks in the head harness (fig. 8).
4.4.5 To change the gasket
The gasket is located inside the helmet (fig 1a/2a). Do the
following:
• Unscrew the hose from the helmet.
• Remove the gasket from the flange and fit the new gasket.

5. Technical specification

Weight
Weight is approximately 1200 g.
It is possible to mount hearing protectors and accessories
on the helmet.
Note! The total weight of the helmet shall not exceed 1500 g.
24
Materials
Plastic components are marked with a material code.
Temperature range
• Storage temperature: from -20 °C to +40 °C at a relative
humidity below 90 %.
• Service temperature: from -10 °C to +55 °C at a relative
humidity below 90 %.
• Service temperature when used together with fan SR 500
EX is -10 °C to +40 °C.
Shelf life
The equipment has a shelf life of 5 years from the date of
manufacture.

6. Key to symbols

See user instructions
Date wheel
CE approved by INSPEC International
Limited
CE approved by RISE Certification
Relative humidity
<XX% RH
+XX°C
Temperature range
-XX°C
>XX+XX< Material designation
7. Approval
• SR 580 with SR 500/SR 500 EX or SR 700:
EN 12941:1998, class TH3.
• SR 580 in combination with fan SR 500 EX is approved in
accordance with ATEX Directive 2014/34/EU.
• SR 580 with SR 507 and compressed air hose SR 358 or
SR 359: EN 14594:2005, class 3A, 3B.
• SR 580 with SR 507 and compressed air hose SR 360:
EN 14594:2005, class 3A.
• Helmet: EN 397:2012, -30 °C, MM, 440 Vac.
-30 ºC Use at low temperatures
MM Molten metal splash
440 Vac Current leakage test, electrical insulation
Visor
The PC visor is approved in accordance with EN 166:2001.
Marked: SR 1 B 3 9.
Visor frame
The visor frame is approved in accordance with EN 166:2001.
Marked: SR EN 166 3 9 B.
SR Sundström Safety AB
1 optical class
B high-speed particles 120 m/s at room temperature
3 liquid splash
9 molten metal splash