Sundstrom SR 507 Technisches Handbuch

2020-03-20

OI03H-0618 SR 507 1

Operation instruction

SR 507

Compressed air attachment

Revision: 03

General information

Instructions for use for SR 507 should be read before use.

The SR 507 is an attachment that enables a given head-top to be converted between a fan-assisted

respiratory protective device and a protective device with compressed air supply.

The Sundström SR 507 compressed air attachment can be used together with Sundström human interfaces

below named head-tops:

Hood SR 520, SR 530, SR 561, SR 562, Face shield SR 540, SR 540 EX, SR 570, helmet with visor SR 580,

half mask SR 900/SR 951.

This combination forms a breathing apparatus with continuous airflow for connection to a compressed air

supply according to EN 14594 class 3A/3B.

Use of a respirator must be part of a respiratory protection program.

For advice see EN 529:2005 or AS/NZS 1715:2009. The guidance contained in these standards highlights

important aspects of a respiratory protective device program but does not replace national or local regulations.

2020-03-20

OI03H-0618 SR 507 2

Breathable air

Breathable air shall meet at least the following purity requirements:

• The pollutants must be maintained at a minimum and must never exceed the hygienic limit value.

• The content of mineral oil shall be so low that the air will have no oil smell (the threshold of smell is around

0.3 mg/m³).

• The air shall have a sufficiently low dew point to ensure that no internal freezing will take place in the

equipment.

In the event of uncertainty as to whether the above demands have been met, a filter such as the Sundström

type SR 99-1 compressed air filter should be connected.

2020-03-20

OI03H-0618 SR 507 3

Unpacking SR 507

Packing list:

• Compressed air attachment

• Control valve

• Belt

• Flow meter

• User instructions

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OI03H-0618 SR 507 4

1. Functional check before use

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OI03H-0618 SR 507 5

On every occasion before using the equipment:

• Check on the rated capacity of the compressed air system.

• Check the maximum number of users permitted.

• Check the number of users already connected.

Check that the minimum flow of air through the head top is about

175 l/min

1.1 Connect the adapter to

the breathing hose of the

head top.

1.2 Connect the breathing

hose to the control valve.

1.3 Connect the compressed

air hose to the control valve.

1. Functional check before use

2020-03-20

OI03H-0618 SR 507 6

1.4 Turn the control valve

knob anticlockwise as far as it

will go in order to throttle the

airflow rate to a minimum.

1.5 Turn the flow meter bag

inside out and the flow meter

appears.

Hint: Turn the bag inside out

and use it for storing the

equipment

1.6 Place the head-top in the

flow meter. Grip the bag to

seal around the breathing

hose. Grip the flow meter

tube with the other hand, the

tube will point 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, (175 l/min).

If minimum flow is not

achieved, check that

-the flow meter is held

upright,

- the ball moves freely,

- the bag seals well around

the hose.

2. Putting the equipment on

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OI03H-0618 SR 507 7

2.1 Put the belt on and adjust

the belt length.

2.2 Arrange the control valve

in a way that allows easy

adjustment of the flow rate

and a strict watch over the

breathing hose, i.e. it must

not be placed on the back of

the waist.

2.3 Then fit the connection

adapter to the breathing hose

of the head.

2.4 Connect the breathing

hose to the control valve

outlet.

2. Putting the equipment on

2020-03-20

OI03H-0618 SR 507 8

2.5 Connect the hose to the

control valve inlet.

2.6 The head top is now

being supplied with air and

you can put it on.Adjust the

head harness.

2.7 Use the control valve

knob to set the air flow rate to

suit your current work

intensity. In the fully closed

position (turn the knob anti-

clockwise), the flow is about

175 l/min, and in the fully

open position (turn the knob

clockwise), it is about 260

l/min.

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OI03H-0618 SR 507 9

3.1 Leave the polluted work

area before taking the

equipment off.

Both couplings are of safety

type and are released in two

stages.

1. Push the coupling

towards the nipple.

3.2

2. Pull the locking ring

back.

3. Taking the equipment of

4. Cleaning

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OI03H-0618 SR 507 10

The silencer of the compressed air accessory, i.e. the part inserted

into the hose, is sensitive to water. So clean the equipment before

dismantling it.

If necessary, spray the product with 70 % ethanol or isopropanol

solution for disinfection.

N.B. Never use a solvent for cleaning.

4.1 Sundström cleaning

tissue SR 5226 that clean

and disinfect are

recommended for daily care.

4.2 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

Andere Handbücher für SR 507

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