To Change The Visor; To Change The Face Seal On The Sr 540 And Sr 580; To Change The Sweatband; Replacement Of Gasket - Sundstrom H06-0321 Instrucciones Para El Usuario

6.6 To change the visor

SR 520 and SR 530 Hoods
The visors of the SR 520 and SR 530 hoods cannot be
changed.
SR 540 Face Shield
The visor has two fixing points, one of which is an over-centre
type and is used for tensioning the visor. The visor can be
changed without tools. Proceed as follows:
• Remove the closing panels by pushing them forward with
your thumb. Fig. 20.
• Release the visor by moving the lever of the over-centre lock
upwards through approximately 180 degrees. Fig. 21.
• Remove the visor.
• Remove the peel-offs from the new visor.
• Secure the new visor first to the fixed mounting and then to
the over-centre mounting.
• Tension the visor by moving the lever downwards as far as
it will go. Fig. 22.
• Check that the visor is firmly in contact with the visor opening
seal all round.
• Fit the closing panels by pushing them into place with your
fingers. A clicking sound indicates that they are in place. Fig.
23.
SR 580 Helmet
No tools are required to replace the visor. Proceed as follows:
• Unhook the face seal from the harness (Fig. 38).
• Remove the lower visor frame (Fig. 47).
• Remove the visor.
• Fit the visor into the lower visor frame. Applying a little water
to the seal will make fitting easier (Fig.33).
• Fit the lower visor frame to the helmet by sliding it into
position. Adjust the visor so it is fastened into the upper visor
frame. A 'click' indicates that the frame is locked in position
(Fig. 34-37).
• Check that the visor has achieved a full seal around the entire
visor frame.
• Attach the hooks in the harness (Fig. 38).
6.7 To change the face seal on the SR 540
and SR 580
SR 540 Face Shield
The plastic frame of the face seal is provided with a groove
(Fig. 24) into which the visor frame fits (Fig. 25). The frame
is locked in position by means of two pins one at each end
that fit into holes in the visor unit. The ends of the face seal
fabric are provided with hooks that are secured to the head
harness. Proceed as follows:
• Release the hooks from the head harness. Fig. 26.
• Release the face seal by pulling its frame so that its pins are
released from the visor unit holes. Fig. 27.
• Remove the face seal.
• Thread the new face seal over the visor unit flange, with the
centre markings in line with one another. Fig. 28.
• Press the face seal frame down so that the pins drop into
the visor unit holes. A clicking sound indicates that they are
in place. Fig. 29.
• Secure the hooks to the head harness in the place where
the sweatband is relieved. Fig. 26.
8
SR 580 Helmet and SR 580 Helmet/SR 584 Welding shield
Face seal SR 584, T06-8012, is preferable to be used with
SR 580 Helmet/SR 584 Welding shield for protection against
radiation and spatter during welding, flame-cutting, grinding and
similar work.
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. Proceed as follows:
• Unhook the face seal from the head harness (Fig. 38).
• Remove the lower visor frame (Fig. 47).
• Unfasten the face seal by pulling its frame until the pins
release from the holes in the visor (Fig. 32).
• Remove the face seal.
• Fit the face seal on the inner flange in the lower visor frame
(Fig. 30) Start at one side, push the pin upwards and control
that the lip is fastened in the lower visor frame. (Fig. 31).
• Push along the face seal frame so it is securely fastened on
the lower visor frame (Fig. 32). Control that the pin and lip is
fastened on both sides (Fig. 31).
• Fit the lower visor frame to the helmet by sliding it into
position. Adjust the visor so it is fastened into the upper visor
frame. A 'click' indicates that the frame is locked in position
(Fig. 34-37).
• Attach the hooks in the head harness (Fig. 38).

6.8 To change the sweatband

SR 520 and SR 530 Hoods
The sweatband is secured to the forehead strap by double
sided adhesive tape. Proceed as follows:
• Pick away one end of the sweatband so that it is removed
together with the tape.
• Pull the sweatband off.
• Remove the protective paper and fit the new sweatband.
SR 540 Face Shield
The sweatband is secured to the forehead strap by means of
Velcro tape. Proceed as follows:
• Release the face seal hooks from the head harness. Fig. 26.
• Pull the sweatband off.
• Fit the Velcro strip with the ruffled side towards the forehead
strap and with the relief upwards.
• Secure the hooks to the head harness where a relief has
been made in the sweatband. Fig. 26.
SR 580 Helmet
The sweatband is attached to the forehead strap by a Velcro
tape. Do the following:
• Unhook the face seal from the head harness (Fig. 38).
• 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. 38).

6.9 Replacement of gasket

The gasket is located inside the helmet (Fig. 3a).
Proceed as follows:
• Unscrew the hose from the helmet.
• Remove the gasket from the flange and fit the new gasket.