Tyco 5 manual Replacing the exhalation valve, Replacing the pivot arms, Replacing the brim trim

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5

Replacing the exhalation valve

Pull the valve cover from the valve and remove the disc.

Insert a new disc ensuring that it lies flat on the seat.

Align the valve cover with the slots and snap it in its place.

Replacing the pivot arms

Use side clip to release pivot arm and withdraw arm from pivot post. Slide new pivot arm into pivot post and secure with side clip.

Replacing the brim trim

Release the elastic loops from the head harness. Untie the retaining cord of the old brim trim and remove it from the helmet.

Locate the rectangular slots in the new brim trim over the airducts at the front of the helmet, arrange the brim trim around the brim of the helmet with the sponge pads tucked under the helmet brim. Tie the retaining cord.

Replacing the head harness

Tilt the visor to the fully-up position. By using both thumbs, press down on the white retaining tabs to release the head harness from the helmet.

When mounting, insert the white retaining tabs into the slots in the rim of the helmet, and press down until they clik into place.

Tilt the visor to the required position.

Replacing the sweatband

Pull the old sweatband from the head harness hooks.

Fit the new sweatband onto the four hooks in the lower front of the headband, fold across the headband, then clip on to the two hooks at the top of the headband.

5.Selection of blower-assisted breathing protector equipped with filter See Instructions for Use of the blower device to be used.

Type of protective device

 

APF

 

 

Remarks, limitations

 

 

(Assigned protection factor)

 

 

 

 

 

Values as given

 

Values as given

 

 

 

 

 

in BS 4275

 

in German BGR

 

 

 

 

 

 

 

190 - ZH1/701

 

 

“Open” facepieces, such as helmets

Power-assisted face shield with

 

 

 

 

 

 

particle filter

 

 

 

 

 

 

or hoods, do not provide sufficient

TH1P

10

5

 

 

protection in case of breakdown or

TH2P (Flowhood 5)

20

20

 

 

inferior output of the blower.

TH3P

40

100

 

 

Therefore, devices of class TH1 must

 

 

 

 

 

 

 

never be used against carcinogenic,

 

 

 

 

 

 

 

very poisonous or radioactive gases

 

 

 

 

 

 

 

and vapours.

Device with combined filter

The specified multiples of threshold value for the gas or particle filters are

 

given separately, but in all cases the lowest value applies.

Power-assisted face shield with

 

 

 

 

 

 

For devices with combined filter apply

gas filter *)

 

 

 

 

 

 

the relevant limitations of gas and

TH1 gas filter class 1 or 2

10

5

 

 

particle filters.

TH2 gas filter class 1 or 2

20

20

 

 

 

TH3 gas filter class 1 or 2

40

100

 

 

 

*) Provided that the maximum permissible detrimental gas concentration for the gas filter is not exceeded. For power-assisted filtering devices with gas filter, concentration must not exceed 0.05 vol.% in gas filter class 1 and 0.1 vol.% in gas filter class 2 and 0.5 vol.% in gas filter class 3.

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Contents Flowhood Spare parts Accessories EnglishSymbols Markings064286 GeneralLimitations of use Replacing the breathing hose Maintenance and storageStart-up Replacing the visorReplacing the brim trim Replacing the exhalation valveReplacing the pivot arms Replacing the head harnessDeutsch Ersatzteile ZusatzausstattungSymbole MarkierungenAllgemeines EinschränkungenAustausch des Atemschlauchs InbetriebnahmeWartung und Lagerung Austausch der SichtscheibeAustausch des Helmrahmens Austausch des AusatemventilsAustausch des Hebelarms Austausch der KopfbänderungAccessoires Pièces de rechangeSymboles MarquageGénéralités Limites d’utilisationRemplacement de la visière Mise en serviceRemplacement du tuyau respiratoire Entretien et entreposageRemplacement de la bordure Remplacement de la soupape expiratoireRemplacement des pivot-bras Remplacement du harnais