MSA S-Cap-Air Manual de usuario

Maintenance Specialist Manual

S-Cap-Air

Compressed Air Escape Apparatus with Hood

10036206

Dear Maintenance Specialist,

MSA manufactures respiratory protective equipment for work and rescue.

The staff of MSA conducts courses where participants are trained as „respiratory protec-

tive equipment maintenance specialists“ who check the safe functioning of such equipment

through continuous maintenance and testing.

With conducting the maintenance and care of your respiratory protective equipment you

accept a great deal of responsibility. Always think of the possible consequences should the

equipment fail. For this reason, each maintenance specialist should attend a repeat course

as a rule every 3 years.

Another precondition for correct work is that the maintenance shop is equipped with the

necessary measuring and test equipment.

We wish you all the best for your work.

Notice!

Like any piece of complex equipment, this MSA product will do the job it is designed to do,

only, if it is used and serviced in accordance with the manufacturer’s instructions. This

manual must be read carefully by all individuals who have or will have responsibility for

using or servicing this product.

The warranties made by MSA with respect to this product are voided if the product is not

used and serviced in accordance with the instructions in this manual.

Before choosing and using this product, it is required to assess whether it is suitable for

the application intended.

Selection and use are beyond the control of MSA. Therefore, the liability of MSA covers

only the steady quality of this product.

The above does not alter statements regarding the warranties and conditions of sale and

deliveries of MSA.

The S-Cap-Air apparatus described in this Maintenance Manual is in accordance

with Directive 89/686/EEC.

It is a compressed air escape apparatus with hood according to EN 1146.

Contents

Page

1 Technical Description ...................................... 4

1.1 General .............................................................. 4

1.2 Cylinder and Bag................................................ 4

1.3 Regulator / Cylinder Valve.................................. 4

1.4 Hood................................................................... 5

1.5 Warning Indicator ............................................... 5

2 Charging and Packing ..................................... 7

2.1 Charging the Air Cylinder ................................... 7

2.2 Packing Instructions ........................................... 7

2.3 Storage / Stowage.............................................. 7

3 Maintenance...................................................... 8

3.1 Schedule ............................................................ 8

3.2 Monthly Checks.................................................. 8

3.3 Annual Checks ................................................... 9

3.4 Functional Checks.............................................. 9

4 Inspections, Repair, Testing ......................... 10

4.1 Requirements................................................... 10

4.2 Cleaning ........................................................... 10

4.3 Disassembly and Test ...................................... 10

4.4 Functional Tests............................................... 11

4.5 Reassembly...................................................... 11

5 Component Level Servicing Instructions..... 11

5.1 Replacement of Hood....................................... 11

5.2 Replacement of Hood using Hood Assembly ... 12

5.3 Replacement of Gauge .................................... 12

5.4 Replacement of Valve Assembly...................... 12

5.5 Replacement of Bag......................................... 13

5.6 Replacement of Cylinder .................................. 13

5.7 Replacement of Burst Disc............................... 13

5.8 Replacement of Charging Port complete.......... 13

6 Spare Parts ..................................................... 14

6.1 Spare Parts S-Cap-Air...................................... 15

7 Ordering Information ..................................... 15

60° Tool ........................................................... 16

Notes ............................................................... 17

Addresses....................................................... 18

1 Technical Description

1.1 General

The S-Cap-Air is a compressed air breathing device to be used for emergency escape

from irrespirable atmospheres. It has been designed and tested in accordance with EN

1146 to comply with the safety requirements of EC Directive 89/686. Type examination

has been made by Inspec Certification, Notifying body 0194. The S-Cap-Air with the 3 litre

200 bar cylinder has a duration of 15 minutes, as required by the International Maritime

Organisation [IMO].

We obtain the following certificates for the S-Cap-Air:

Approvals: Germany GermanLloyd „GL 40902-01 HH“

Germany SeeBG „No208.011“

Netherlands The head of the Netherlands Shipping

Inspectorate "DS/5809/2002-2.2.1

KTEK-W/LK"

Poland Polski Rejestr Statków ZC/1730/930049/02

Italy Rina - Societá per azioni

Gruppo Registro Italiano Navale „FPE 45102 CS“

Russia Russian Maritime Register of Shipping „No. 02.032.009“

Spain Minenisterio de Formento

Secretaria de Estado de Infrastructuras y

Transportes „No. 003 /0302

NOTICE ! The S-Cap-Air must be used for emergency escape only.

The S-Cap-Air is quick and simple to don, the air supply is activated automatically,

breathing air is delivered into the flexible hood which is easy to don offering immediate

protection also for persons wearing beards and/or corrective eyewear.

1.2 Cylinder and Bag

The compressed air cylinder of the S-Cap-Air is complies to EC 84/525 or, if applicable, to

national regulations. It is carried in a frontally worn bag. The pressure gauge is visible

through a transparent visor in the bag. Rated duration and pictogram instructions are

printed on the bag. The cylinder must only be charged with air conforming to EN 12021.

WARNING

Do not handle the unit by the valve / regulator use carrying strap or cylinder body !

1.3 Regulator / cylinder valve

The regulator is mounted directly on the cylinder and has two connections. One G5/8

standard thread connection for the 200 bar compressor charging adapter, and the second

for the supply hose to the hood. The cylinder valve is part of the regulator and can be

opened and closed manually by its screw cap with the firing pin in place. For regular start-

ing the firing pin is pulled out of the screw cap and the breathing air is delivered via the

connection to the supply hose into the hood. The air outlet is the warning indicator in the

hood which is located right in the field of vision. The visual color change warning is acti-

vated at the end of service life, when the air flow diminishes and consequently the CO2

concentration rises towards the limit set down by the EN 1146. A constant reading pres-

sure indicator is fitted to the regulator permitting to read the cylinder pressure through the

bag visor.

WARNING

Do not handle the unit by the valve / regulator use carrying strap or cylinder body !

1.4 Hood

The hood assembly consists of an oro-nasal nose cup with head harness, the supply hose

with visual colour change warning, simultaneously used as air outlet and the hood with vi-

sor and flexible neck seal. The air supplied to the hood generates an air reservoir, the

breathing air is taken through the nose cup from the reservoir. The exhaled air is released

via the nose cup and the integrated exhalation valve into the ambient atmosphere. The vi-

sor offers an almost unimpaired field of vision. The warning indicator displays the effective

air flow. The elastic head harness cares for the automatic nose cup adjustment over chin,

mouth and nose. In combination with the flexible neck seal a wide variety of face sizes is

covered.

1.5 Warning indicator and duration alarm

When the end of service life is reached, the warning indicator changes slowly from

GREEN to RED warning from the reducing air flow to the hood. This is proportional to in-

creasing levels of CO2 from the exhalation air. The hood must then be removed.

2 Charging and Packing

2.1 Charging the Air Cylinder

NOTICE! Air used to charge cylinders must conform to EN 12021 or USCGA grade

D (or better). High pressure compressors and charging appliances must

only be used by trained operators and all safety procedures must be ob-

served.

1. Break tamper tag or remove remnants of it (if necessary), open bag zipper entirely.

2. Remove hood, uncover the valve and check that the firing pin is in place [the top of the

pin is parallel in line with the hose connection] and the valve is closed [cap hand

screwed in position]

3. Prior to the filling procedure the bust disc should be checked for right torque. The re-

taining screw is fitted with a locking force of 5,9 ±0,3 Nm torque

4. Remove the dust cap from the charging port of cylinder valve.

Connect charging port to a standard 200 bar compressor outlet, charge the cylinder to

207 bar. After charging allow cylinder to cool down and top up the cylinder if necessary.

(Observe compressor instructions, if required, use country specific adapter)

Note: There is a restrictor inside the filling port. This may cause repeated filling cycles

of the compressor - depending on the capacity of the compressor – to reach the re-

quired 207 bar. Compressors with a high capacity fill the cylinder and the filling system

quickly. The safety pressure switch will turn off the compressor at a maximum of ap-

proximately 220 bar. The pressure inside the cylinder then, needs to balance with the

pressure in the system. This causes a pressure drop inside the system so the proce-

dure must be repeated until the cylinder and the filling system balance at 207 bar.

5. After charging, open air cylinder valve briefly by turning open the valve cap, close again

immediately until the air flow stops. Then turn in another 60° (see pictures below). Now

the firing pin must be in line with the hose connection. If it is not, turn valve cap loose

again, pull firing pin out and put it back into the cap on the opposite side. Then close

the valve again as explained above.

60° Gauge (paper-version) 60° Gauge (tool order no. 10045531)

Cutout sample at the end of this manual.

Note: The additional turn of 60° beyond the valve closing point [air flow stops] assures

a properly and tightly closed valve. Turning the cap through greater angles may result

in excessively high pull out forces for the firing pin.

Check the cylinder pressure and top up if necessary [normally this is not required].

6. After the cylinder is fully charged, depressurize the compressor outlet, and loosen the

pressure free connection (remove adapter possibly used).

7. Check cylinder pressure indicator. The indicator reading must be in the green section,

after cylinder has cooled down to ambient temperature.

8. After each charging procedure a leaktest is required. Check for leaktightness using liq-

uid leak detector, leak detector spray, or soap solution with brush.

9. Close charging port with dust cap again.

10.Pack the apparatus as described under Packing instructions (see 2.2).

2.2 Packing Instructions

1. After the S-Cap-Air is recharged and the charging port is closed again, the hood is put

back in its place. To do so, run the supply hose along the cylinder until its end, then

put hood into opposite direction above supply hose and cylinder. The hood in proper

position must not reach the valve.

2. Connect the clip at the end of firing strap to the firing pin. Make sure that the firing

strap is not twisted, it must be moving freely, and it must lie on top of the hood.

3. Now close zipper entirely until its end over the break gap in the zipper chain, keep

hood well in its position. Observe that nothing is trapped in the zipper chain and keep

the loop at the end of the firing strap outside the bag.

4. Make sure that the pressure gauge is visible and readable through the bag visor [the

hood must not be visible].

5. Fold the bag flap over and feed it through the firing strap loop to fix loop outside bag.

6. Feed the anti-tamper tag through the eyelets in the bag and the flap to fix the flap and

the firing strap loop. Adjust the length of the anti-tamper tag such that it is tight but not

under tension and slightly movable

7. Now the S-Cap-Air is ready for use.

(When the firing strap is pulled, the anti-tamper tag breaks, the firing pin is pulled from

the cylinder valve cap, the valve opens, the air supply starts, the zipper opens, and the

hood can be drawn out.)

WARNING

Do not handle the unit by the valve / regulator use carrying strap or cylinder body !

2.3 Storage / Stowage

The equipment must be stored / stowed in accordance with MSC / Circ. 849 "Guidelines

for the performance, location, use and care of Emergency Escape Breathing Devices

(EEBD´s)" suitably protected from the environment. The unit shall be stored / stowed in a

clean and dry condition, free of contaminants and protected from direct sunlight.

WARNING: During storage / stowage do not forcefully bend materials, seams and zipper.

3 Maintenance

3.1 Schedule

MSA uses the most modern production technologies and best design practice to keep

maintenance expenses as low as possible.

In case of doubt regarding the maintenance and inspection intervals, please contact

your local sales organisation and / or check your local regulations and require-

ments.

Component Work to be performed On pick-

ing up

After

use

Monthly Annu-

ally

Notes

Clean, disinfect X4.2

Hood

Inspect XX

3.3

Clean, disinfect X4.2

Hose

Inspect XX

3.3

Clean X4.2

Regulator /

Cylinder Valve Inspect XX

3.3

Gauge / Tamper Tag Inspect XXXX

3.2

Clean X4.2

Bag

Inspect XX

3.3

Clean X4.2

Inspect XX

3.3

Charge X2.1

Cylinder

Hydrostatic Test ∗)

S-Cap-Air Assembly Functional Check XX

3.4

This maintenance schedule is recommended by the manufacturer.

∗) The official hydrostatic test should be carried out as required by national regulations.

Please observe national regulations and contact your national authorities for further

information.

Rubber components are subject to ageing according to conditions and therefore must be

checked in regular intervals and replaced if necessary.

Note: Some maintenance works may only be made by trained and authorised

technicians

3.2 Monthly checks

Check cylinder for full charge [pressure gauge indication in green section]. Check that

tamper tag is intact, check entire S-Cap-Air for visible external damage.

3.3 Annual Checks

Complete visual inspection for any mechanical damage such as cuts, tears, abrasion, or

other mechanical damage on the following components:

•Bag, harness and firing strap.

•Air hose, hose connector and its O-ring. Damaged, stiffened, brittle hoses and O-rings

must be replaced. O-ring for hose connection port [part no. 10024118]

•Hood, neck-seal and nose cup. The exhalation valve disk must be replaced all 3 years

[part no. D2055749].

•Regulator valve and pressure indicator.

•Cylinder. Test cylinder according to national regulations.

•Any damaged or disabled parts/components must be replaced.

3.4 Functional Checks

In addition to the visual inspection described above, the S-Cap-Air must be tested for its

proper function. The tests and test results are to be recorded and filed with respective se-

rial numbers and date. Any parts/components damaged or disabled must be replaced.

3.4.1 Standard Functional Test

To do so, a properly charged S-Cap-Air is started, the warning indicator is kept under ob-

servation. It must change from GREEN to RED after 15 minutes at the earliest and after 18

minutes at the latest. During this period, the pressure indicator indication must change

slowly but continuously from full to empty. After the test is successfully passed, the S-Cap-

Air must be recharged and packed again (see 2.1 and 2.2).

3.4.2 Functional Test with Flow Meter

Pull clip from hose connection, then pull supply hose off the connection. Connect Flow

Meter (30 up to 50 l/min) with hose connector. Open cylinder valve of a properly charged

S-Cap-Air briefly by turning open the valve cap and read value on the scale of the flow

meter. The value must to be between 35 and 41 l/min. Close the air cylinder valve again

until the air flow stops. Disconnect Flow Meter and connect hose and clip back to the hose

connector. Open cylinder valve briefly by turning open the valve cap and read warning in-

dicator. The warning indicator must be fully GREEN. Close the air cylinder valve again un-

til the air flow stops. The warning indicator now must change from GREEN to RED. Then

turn in the valve cap another 60°. Now the firing pin must be parallel in line with the hose

connection. If it is not, turn valve cap loose again, pull firing pin out and put it back into the

cap on the opposite side. Then close the valve again as explained above.

Note : The additional turn of 60° beyond the valve closing point [air flow stops] assures

a properly and tightly closed valve. Any over-tightening beyond this would con-

siderably increase the required activation force.

Check the cylinder pressure and top up if necessary (see 2.1)

4 Inspection, Repair and Testing

4.1 Requirements

•Components damaged or disabled by material fatigue, corrosion, strong wear and

tear, or disabled in any other way must not be used any longer.

•All components must be clean and free from contamination that may affect the quality

of breathing air or the user.

•S-Cap-Air sets and all their components must be inspected according to this manual.

The inspection intervals must not exceed 1 year. Defective or suspicious units must be

inspected immediately.

•Service, maintenance, and repairs shall be made in a clean environment.

4.2 Cleaning

The cleaning of S-Cap-Air sets and their components shall be done as following:

•Note! Do not submerge S-Cap-Air in cleaning solutions or in water.

1. Disconnect hood and hose from valve.

2. Wipe hood interior and exterior thoroughly with a moist cloth, then disinfect with a

disinfection cloth. Finally dry with a soft lint free cloth.

3. Disinfect nose cup in a mild disinfection solution (follow disinfectant instructions),

rinse thoroughly in clean water and finally dry with a lint free cloth, or use warm air

at 50°C max (avoid direct sunlight or heat radiation.

•Notice: Do not submerge pressure indicator, clean only with a moist cloth.

4.3 Disassembly and Tests

The S-Cap-Air, if damaged or defective, can be disassembled into the following sub- as-

semblies/components and is tested as described:

Notice: Before working on the valve and/or the cylinder, the cylinder must be

entirely empty.

•Compressed Air Cylinder:

Check coating and markings on cylinder: If applicable, remove incorrect or supple-

mentary unauthorised markings. Minor defects in the coating can be repaired, if the

cylinder has major damages, it must be replaced. Internally the cylinder must be free

from contaminants, it must be dry and free from odours. The cylinder thread must be

checked with a thread gauge.

Defective or faulty cylinders are to be replaced.

The cylinder must also be pressure tested in accordance with the national regulations.

The next due pressure test date (e.g. TÜV) must not be exceeded until the next S-

Cap-Air annual inspection.

•Pressure Indicator:

Check for damages

•Supply Hose and Hood:

Examine for defects including the connection and retaining clip. Check the visor for

kinks and disturbing creases, that may impair vision. Examine hood for rips, holes,

abrasion, examine neck seal for tears, elasticity and possible ageing, and loss of elas-

ticity. Replace the hood if any of these defects are found.

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