background image

LPHA

SENTINEL

Full Face Mask 

Fitting Instructions

Alpha Sentinel

 Full Face Masks

The respirator should not be used in an oxygen deficient or oxygen 
enriched environment, for escape purposes or by people with facial 
hair growth between the skin and face-piece sealing surface such as 
stubble, beard growth or sideburns, which cross the respirator surface 
or in an atmosphere where contaminant concentrations exceed those 
levels that are dangerous to life.  

Alpha Sentinel

 Full Face Masks are 

ergonomically designed for optimum 

protection, comfort and PPE compatibility.

SMALL 

  ASRAS0002BD

MEDIUM   

 

ASRAS0002BF

LARGE 

  ASRAS0002BH

DONNING

WARNING:

 For those wearing corrective spectacles, 

the Alpha Solway Spectacle kit must be fitted, as normal 

glasses cannot be worn under the mask In order to 

guarantee a proper fit. 

1.

  Select the appropriately-sized mask [see size guide].

2.

  Slacken the head harness straps. Move the head  

  harness upwards and spread with both hands, place 

  your chin in the face-piece and pull the head harness 

  over your head [see Diagram 1].

3.

  Ensure head harness is sitting correctly and not 

  twisted [see Diagram 2].

4.

  Tension the straps in pairs by pulling the free strap 

  ends towards the rear of the head [see Diagram 3].

5.

  Adjust the fit of the mask on your face so that it fits 

  firmly but comfortably.

6.

  Perform a user seal check and readjust if required  

  [see Diagram 4].

DOFFING

1. 

Slacken the straps in pairs. 

2.

  Pull the head harness forward over your head  

  and remove the respirator.

3.

  Decontaminate, clean, dry and store respirator  

  as required.  

1.

2.

3.

4.

PRE CHECKS

WARNING:

 Before donning the respirator, 

always perform the following checks:  

  Ensure the respirator is clean and dry.  
  Check the respirator, valves, harness and visor for  

  cracks, missing parts and other defects.  

  Check that the appropriate filters are undamaged  

  and installed correctly. When fitting the filters, they  

  will require a firm steady pressure in a clockwise  

  direction when viewed from the front. 

M

A N

U FA C T U R

ED

I N   T H E   U K

DESIGNED  

& MADE IN  

THE UK

Reviews: