Sundstrom SR540EX How-To Download

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SR540ex supplied-air face shield

—

How to

…

change the sweatband

Release the face seal hooks from the head
harness.

Pull the sweatband off.

Fit the Velcro strip with the ruffled side towards
the forehead strap and with the forehead strap
and with the forehead strap and with the relief
upwards.

Secure the hooks to the head harness where a
relief has been made in the sweatband.

Summary of Contents for SR540EX

Page 2: ...rdance with the packing list and has not been damaged in transport Packing list Face shield Breathing hose User instructions Cleaning tissue Check that the O ring of the hose is in place Check that the flat gasket is ok and in place at the other ok and in place at the other end Connect the end with flat gasket to the face shield Turn it clockwise about 1 8 of a turn ...

Page 3: ... meter will appear Place the head top in the flow meter and start the fan unit Grip the lower part of the bag to seal around the breathing hose Grip the flow meter tube with the other hand so that the tube points vertically upwards from the bag Read the position of the ball in the tube This should hover at a level with or slightly above the upper marking on the tube If minimum flow is not achieved...

Page 4: ...sary adjust the circumference of the head harness by means of the knob at the rear of head harness If necessary adjust the head harness in height by lengthening or shortening the strap for the top of the head Lower the visor unit by pulling the face seal down under your chin A clicking sound indicates that the visor unit has been fully lowered ...

Page 5: ...tact surface of the face seal all the way round to check that it fits well against the face Make sure that the breathing hose runs along your back and is not twisted change the visor Remove the closing panels by pushing them forward with your thumb Release the visor by moving the lever of over centre lock upwards through about 180 degrees and remove the visor ...

Page 6: ...visor first to the fixed mounting and then to the over centre mounting Tighten the visor by moving the lever downwards as far as it will go Check that the visor is firmly in contact with the visor opening seal all around Fit the closing panels by pushing them into place with your fingers A clicking sound indicates that they are in place ...

Page 7: ...hat its pins are released from the visor unit holes Remove the face seal Thread the new face seal over the visor unit flange with the centre markings in line with one another 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 Secure the hooks to the head harness in the place where the sweatband is relieved ...

Page 8: ...se the face seal hooks from the head harness Pull the sweatband off Fit the Velcro strip with the ruffled side towards the forehead strap and with the forehead strap and with the forehead strap and with the relief upwards Secure the hooks to the head harness where a relief has been made in the sweatband ...

Page 9: ...ane Snap off the valve cover from the valve seat Pull off the membrane Check that the valve seat is OK Press the new membrane onto the pin Carefully check that the membrane is in contact with the valve seat all the way around Press the valve cover into place A clicking sound indicates that it is in place ...

Page 10: ...duct with 70 ethanol or isopropanol solution for disinfection If the equipment is more heavily fouled use a soft brush or sponge moistened with a solution of water and dishwashing detergent or the like Rinse the equipment and leave it to dry Clean left and right closing panel Clean the exhalation membrane and the valve seat and check that the seat is OK Clean the valve cover inside and outside Cle...

Page 11: ...w meter can be turned inside out and used as storage bag for the head top schedule maintenance The schedule represents the recommended minimum requirement for maintenance routines in order to ensure that the equipment will always be in functional condition Always use genuine Sundström parts Do not modify the equipment The use of non genuine parts or modification or modification of the equipment ma...

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Sundstrom SR540EX, How-To

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