Leather Fire Helmet Models N5A And N6A; All Fire Helmets Except Leather Fire Helmet Models N5A And N6A; Routine Inspection; Fire Helmet Shell - MSA Cairns Serie Manual De Uso

5.2.1

Leather Fire Helmet Models N5A and N6A

Use a soft sponge or cloth dampened with a solution of warm water and mild detergent to wipe the fire
helmet.
5.2.2

All Fire Helmets except Leather Fire Helmet Models N5A and N6A

(1) Don protective gloves.
(2) Remove all detachable components and accessories from the fire helmet.
(3) Immerse the entire fire helmet and all accessories in a solution of 1.5 oz (43 g) of mild detergent
per 1 gal (3.8 L) of water at a temperature no higher than 110°F (43°C).
(4) Use a soft brush to remove dirt and other debris from the fire helmet.
(5) Rinse the fire helmet and accessories thoroughly with water.
(6) Use a clean cloth dampened with water to wipe the fire helmet and accessories.
(7) Put the fire helmet in a clean, safe place to air-dry.
5.3

Routine Inspection

WARNING!
Failure to follow the recommended inspection procedures can reduce fire helmet performance and
result in serious personal injury, disease, illness, or death.
Do not use a fire helmet that has damage.
Do not attempt to test the fire helmet. The performance properties of the fire helmet and its components
cannot be properly tested by a user in the field.
Inspect the fire helmet after each use for the following signs of damage from impact and thermal expo-
sure. If any of these conditions exist, remove the fire helmet from service immediately and repair or
replace it as applicable.
5.3.1

Fire Helmet Shell

If any of the following conditions exist, replace the entire fire helmet ensemble.
Thermoplastic Shell (Models 360R, 360R-13, 360S, and 880)
• Any cracks
• Dull or chalky finish
• Blisters or bubbles
Fiberglass Composite Shell (Models 660C, 664, 1010, 1044, and HP3)
• Cracks longer than 1 in. (25.4 mm)
• Any size crack that goes completely through the shell material
• Soft spots equal to or larger than a thumbnail
Leather Shell (Models N5A and N6A)
• Punctured shell
• Cut or broken stitching at the dome/brim interface or ribs
• Exposed reinforcing wire around the brim
5.3.2

Impact Cap

If any of the following conditions exist, replace the impact cap.
5.3.2.1

Models 1010 and 1044 (Black Impact Cap)

• Cracks
• Depressions or dents equal to or larger than a thumbnail
• Punctures, blisters, or discoloration due to impact, excessive heat, or normal wear
• Delamination/separation of foam from the black liner
MSA Cairns Fire Helmets
US
15