SCOTT 2.2 User Manual

Page 1 of 48 P/N 595279-01 Rev. B 5/14
Typical configuration of SCOTT SCBA shown with various optional and accessory equipment.
Appearance of respirators will vary by model. Not all respirators include all features illustrated.
OPERATING & MAINTENANCE INSTRUCTIONS
SCOTT AIR-PAK X3 SNAP-CHANGE
Models 2.2 / 4.5 / 5.5
Pressure-Demand Self-Contained Breathing Apparatus (SCBA)
NFPA-1981 (2013 Edition) Compliant
© 2014 Scott Safety.
SCOTT, the SCOTT SAFETY Logo, Scott Health and Safety, AIR-PAK, X3, VIBRALERT, AV-3000, SNAP-CHANGE, and HT are registered
and/or unregistered marks of Scott Technologies, Inc. or its affiliates.
TYPICAL AIR-PAK X3 SNAP-CHANGE WITH SNAP-CHANGE CYLINDER
PULL
HANDLE
CYLINDER AND
VALVE ASSEMBLY
CYLINDER
LATCH
REGULATOR
IN REGULATOR
HOLDER
REGULATOR QUICK
DISCONNECT
SNAP-CHANGE
PRESSURE REDUCER
RIC-UAC
CONNECTION
CONTROL CONSOLE
(HUD ONLY VERSION)
REMOTE
PRESSURE
GAUGE
WARNING
IMPROPER USE OF THIS RESPIRATOR MAY RESULT IN PERSONAL INJURY OR DEATH. IMPROPER
USE INCLUDES, BUT IS NOT LIMITED TO, USE WITHOUT ADEQUATE TRAINING, DISREGARD OF THE
WARNINGS AND INSTRUCTIONS CONTAINED HEREIN, AND FAILURE TO INSPECT AND MAINTAIN THIS
RESPIRATOR. READ AND UNDERSTAND ALL INSTRUCTIONS BEFORE ATTEMPTING TO OPERATE OR
SERVICE THIS EQUIPMENT.
THIS RESPIRATOR IS INTENDED TO BE USED ONLY IN CONJUNCTION WITH AN ORGANIZED RESPIRATORY
PROTECTION PROGRAM WHICH COMPLIES WITH THE REQUIREMENTS OF "PRACTICES FOR RESPIRATORY
PROTECTION," Z88.2 AVAILABLE FROM AMERICAN NATIONAL STANDARDS INSTITUTE INC., 1430
BROADWAY, NEW YORK, N.Y., 10018, OR THE REQUIREMENTS OF OSHA SAFETY AND HEALTH STANDARD
29 CFR 1910 PARAGRAPH 134 AVAILABLE FROM THE U. S. DEPARTMENT OF LABOR, OCCUPATIONAL
SAFETY AND HEALTH ADMINISTRATION, OR OTHER PERTINENT NATIONALLY RECOGNIZED STANDARDS,
SUCH AS THOSE PROMULGATED BY THE U. S. COAST GUARD OR THE DEPARTMENT OF DEFENSE.

SCOTT 2.2 Specifications

General

Brand	SCOTT
Model	2.2
Category	Diving Instrument
Language	English

Summary

General Description and Components

Major Components of the Respirator

Details the essential parts of the SCBA unit including backframe, cylinder, and regulator.

Specific Model Descriptions

Service Life and Safety

Intrinsic Safety and Options

Covers safety for electronic components and lists available accessories like alarms and communication devices.

Facepiece Fitting and Fit Testing

Regular Operational Inspection

Respirator and Cylinder Inspection

Covers checks for the main unit and its air cylinder for damage or wear.

Facepiece and Regulator Inspection

Operational Testing and Heads-Up Display

Operational Testing Procedures

Steps to verify the SCBA's functionality, alarms, pressure gauges, and air flow.

Heads-Up Display Operation

Explains the air supply visual indicators on the Heads-Up Display and their meanings.

Sensor Modules and Battery Management

Sensor Module Lights and Battery Test

Describes indicator lights on sensor modules and outlines the procedure for testing batteries.

Using the Respirator

Donning and Preparation

Steps to get the SCBA ready for use, including checking cylinder and adjusting straps.

Facepiece Donning Procedures

Donning Problems and Leak Testing

Donning Problems

Identifies common issues encountered during facepiece donning and their solutions.

Negative Pressure Leak Test

Procedure to check for air leaks in the facepiece seal by inhaling and holding breath.

Begin Use of the Respirator

Respirator Operation and Alarms

Heads-Up Display Quick Guide

A quick reference for Heads-Up Display indicator lights, their meanings, and user actions.

Termination of Use

Resuming Use, Standby, and Low Battery

To Resume Use of the Respirator

Procedures for restarting respirator use after an alarm, ensuring sufficient air supply.

Use in Standby and Low Battery

How to wear the SCBA without active use and what low battery indications mean.

RIC UAC Emergency Use

Low Temperature Operation

Emergency Operation Procedures

Use of Alternate Cylinders

How to use cylinders with different pressure ratings, ensuring compatibility and safety.

Cylinder Replacement Procedure

Snap-Change Cylinder Replacement

Replacement by User

Steps for the user to safely disengage and replace the SCBA cylinder with a SNAP-CHANGE coupling.

Assisted Cylinder Replacement

Cleaning and Storage

Cleaning the Respirator and Facepiece

Procedures for cleaning the main unit and the facepiece using recommended solutions.

Mask Mounted Regulator and Check

Cleaning the Mask Mounted Regulator

Steps for cleaning the mask-mounted regulator assembly and ensuring it is dry.

Regulator Check

A specific check procedure for the regulator's function after cleaning and reassembly.

Storage of the Respirator

Maintenance and Testing

Respirator Markings and Maintenance

Information on SCBA labels, markings, and requirements for specialist level maintenance.

Periodic Testing and Retirement

Requirements for regular inspection and testing, and considerations for equipment retirement.

Battery Replacement

Heads-Up Display Battery Replacement

Specific steps for replacing batteries in models equipped with a Heads-Up Display only.

PAK-ALERT Distress Alarm Battery Replacement

Warranty Information