Basic Firefighting: SCBA Review

Proper knowledge and use of self-contained breathing apparatus is necessary to help provide a safe working environment for the emergency service provider. Session Reference: Topic: Basic Firefighting: SCBA Review Level of Instruction: 3...


V. Emergency Procedures (1-5)

NOTE:In the course of normal emergency operations, personnel may find themselves in a situation where they may become trapped; run out of air; or experience an equipment malfunction. While there are a number of non approved methods of survival, or buddy breathing and are readily available for reference in several fire service training publications, this outline will target a method of receiving emergency breathing air that is specific to certain brands or models of SCBA.

The instructor should modify this section to suit the purposes of his or her department and should be consistent with departmental procedures.

Quick Fill Procedure

         • Remove quick fill hose from pouch

         • Remove protective caps and connect quick fill hose to male connection near

           regulator on left shoulder strap of donor unit

                • Female connection should snap in place

                • Green ring should appear near female connection

         • Remove protective caps and connect quick fill hose to male connection on receiver

           unit pressure of two cylinders will equalize within one minute

         • Disconnect hose, replace all protective caps, and bleed hose by pressing against

          solid surface, and replace in pouch with connections downward


VI. Changing Cylinders (1-6)

• Spread apparatus out on floor with cylinder up

• Point cylinder valve at feet

• Extend and straighten all straps

• Turn cylinder valve off

• Bleed air off regulator by slowly opening purge valve

• Disconnect H/P hose from cylinder (check "O" ring in H/P connector)

• Loosen cylinder strap or holding device

• Remove cylinder from backplate

• Insert new cylinder to cylinder stop

• Tighten cylinder holding device; securing cylinder to backplate

• Check "O" ring in H/P connector before connecting high pressure hose

• Check proper position of regulator and straps by donning apparatus

• Turn cylinder valve on to check for leaks

• Bleed system as in D and E above



VII. Practical Exercises (1-7)

Obscured Vision Practical Exercise

         • Students are to follow a hoseline going from one end (nozzle to water source or

           water source to nozzle) without losing contact with hoseline or becoming


        • Nomex hoods should be removed until the facepiece is in place. They should then

          be put on backwards so as to obscure vision.

       • Students will be spread on the hoseline at sufficient intervals to avoid working as a


Smoke Environment Practical Exercise

      • Preparation

            • Area divided into rooms with furniture arranged to simulate an actual

              conditions. Connecting door(s) separates rooms

            • Smoke will be produced by smoke machine

            • At least one instructor will be with the students at all times

            • Explain to the students that they will be assigned tasks to perform in the smoke


            • Tasks will be conducted with proper systematic procedures

                     • Team of two

                     • First person to the right and second person to the left

                     • Remind team members to communicate

       • Smoke evolution

              • Student orientation - the exercise is designed to

                     • Expose the student to smoke

                     • Learn to use his/her hands for his/her eyes

                     • Increase the student's confidence in his/her breathing apparatus