TRAINEE GUIDE - Recruit Training Command - The US Navy

TRAINEE GUIDE A-950-0001
(10) Facepiece
OUTLINE SHEET 1-14-1 (continued)
(a) There are three sizes:
1 Small (__________)
2 Large/standard (__________)--Fits most personnel.
3 Extra large (__________)
(b) There are amplified voicemitters on each side of the
facepiece for communicating with other personnel.
(c) Straps hold the facepiece snug against the user’s face
to form a seal.
(11) Backpack and harness assembly
(a) Supports the SCBA on the user’s back.
(b) There are __________ __________ shoulder straps and an
adjustable waist strap with pads.
(12) Component interrelationship
(a) Compressed (breathable) air flows from the cylinder,
through the first-stage regulator, where the air
pressure is reduced, through the second-stage
regulator, and into the facepiece.
(b) Exhaled air flows into the atmosphere.
c. Donning procedures
(1) Perform a predonning inspection by visually inspecting the
SCBA for damage.
(a) Facepiece
(b) __________
(c) Second-stage regulator
(2) There are two methods of donning an SCBA:
(a) __________-__________-__________ __________.
(b) __________ method--The method you will use in the 19F5
firefighting laboratory.
(3) Adjust waist and shoulder straps so that most of the weight
of the SCBA is on the waist.
(4) __________ in excess straps.
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