Sundstrom SR 540 EX Bedienungsanleitung

2019-10-23

OI06H-6018 SR 540 EX 1

Operating instruction

SR 540 EX

Revision: 02

2019-10-23

OI06H-6018 SR 540 EX 2

General information

Instructions for use for SR 540 should be read before use.

When working in potentially explosive environments all parts of the equipment must be EX-approved

SR 540 EX shield can be used with the SR 507 compressed air attachment.

SR 540 EX shield can be used with the SR 500 EX fan unit in potentially explosive environments.

SR 540 EX face shield in combination with fan unit SR 500 EX are approved in accordance with

EN 12941:1998, class TH3.

SR 540 EX in combination with SR 507 and air hose SR 358 or SR 359 are approved in accordance with EN

14594:2005, class 3B.

SR 540 EX in combination with SR 507 and air hose SR 360 are approved in accordance with EN

14594:2005, class 3A.

Risk analysis should be carried by a person who has suitable training and experience in the area.

Unpacking SR 540 EX

Packing list:

• Face shield

• Breathing hose

• User instruction

• Cleaning tissue

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OI06H-6018 SR 540 EX 3

1. Assembly

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OI06H-6018 SR 540 EX 4

1.1 Check that the O-ring of

the hose is in place.

Check that the flat gasket is

ok and in place at the other

end.

1.2 Connect the end with the

flat gasket to the face shield.

Turn it clockwise about 1/8 of

a turn.

1.3 Connect the hose to the

fan unit and turn it clockwise

about 1/ 8 of a turn.

2. Performance check, minimum flow

2019-10-23

OI06H-6018 SR 540 EX 5

2.1 Check that the fan unit is

complete, correctly mounted,

thoroughly cleaned and

undamaged.

Connect the hose from the

face shield to the fan unit and

turn it about 1/8 of a turn

clockwise.

2.2 Turn the flow meter bag

inside out and the flow meter

appears.

2.3 Place the face shield in

the flow meter bag and start

the fan.

Grip the lower part of the bag

in order to seal around the

hose.

Grip around the measuring

tube and hold the tube

vertical.

The ball should now float

level with or just over the 175

l/min marking.

If the minimum flow is not

achieved, check that:

-The flow meter is vertical

-The ball moves freely

-The bag seals well around

the hose

3. Putting the face shield on

2019-10-23

OI06H-6018 SR 540 EX 6

3.1 Raise the visor and put

the face shield on. If

necessary, adjust the

circumference of the head

harness by means of the

knob at the rear of the head

harness.

3.2 If necessary, adjust the

head harness in height by

lengthening or shortening the

strap for the top of the head

3.3 Lower the visor unit by

pulling the face seal down

under your chin.

2019-10-23

OI06H-6018 SR 540 EX 7

3.4 A clicking sound indicates

that the visor unit has been

lowered fully.

3.5 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 against

the face.

3.6 Check that the breathing

hose runs along your back

and that it is not twisted.

4. Visor

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OI06H-6018 SR 540 EX 8

4.1 Remove the closing

panels by pushing them

forward with your thumb.

4.2 Release the visor by

moving the lever of the over-

centre lock upwards through

about 180 degrees.And

remove the visor.

4.3 Remove the protective

film from the new visor.

Secure the new visor first to

the fixed mounting and then

to the over-centre mounting.

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OI06H-6018 SR 540 EX 9

4.4 Tension the visor by

moving the lever downwards

as far as it will go.

4.5 Check that the visor is

firmly in contact with the visor

opening seal all round.

4.6 Fit the closing panels by

pushing them into place with

your fingers. A clicking sound

indicates that they are in

place.

5. Face seal

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OI06H-6018 SR 540 EX 10

5.1 Release the hooks from

the head harness.

5.2 Release the face seal by

pulling it´s frame so that its

pins are released from the

visor unit holes.

Remove the face seal.

5.3 Thread the new face seal

over the visor unit flange, with

the centre markings in line

with one other.

5.4 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

sweatband is relieved.

Like 5.1.

Andere Handbücher für SR 540 EX

Dieses Handbuch passt für folgende Modelle

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