Scott Safety SIGMA 2 TYPE 2 User Manual

SIGMA 2 TYPE 2
2023726 B
03.2013
CE0086
AS/NZS1716 : 2012 - Respiratory Protective Devices
Lic 5021 BSI Benchmark

Scott Safety SIGMA 2 TYPE 2 Specifications

General

Brand	Scott Safety
Model	SIGMA 2 TYPE 2
Category	Diving Instrument
Language	English

Summary

Warnings and Disclaimers

General Warnings

Critical safety precautions for breathing apparatus use.

Notifications for Breathing Apparatus

Personnel Training and Servicing

Pre-Use and Monthly Checks

General Checks

Outlines essential checks for cleanliness, harness, and cylinder security.

Pneumatics and Demand Valve Checks

Details checks for pneumatic components, pressure gauge, and DV fitting.

Facemask Check

Steps to ensure proper facemask fit and pressure build-up.

Operational Tests and Cylinder Replacement

Positive Pressure and Leak Test

Procedures to test for positive pressure, leaks, and whistle function.

Replacing Cylinders

Donning Procedure for SIGMA 2 Type 2

Harness Adjustment

Facemask and Head Harness Fitting

Facemask and Head-Net Fitting Steps

Facemask Straps and Head-Net

Opening Cylinder Valve

Procedure for opening the cylinder valve to supply air to the facemask.

Facemask Seal and System Leak Tests

Facemask Seal Check

Verifies the facemask seal for air leaks.

Bypass and Whistle Tests

Tests the bypass function and the warning whistle's operation.

Leak Test

Confirms the system holds pressure and checks for leaks.

Cylinder Pressure Check and Doffing Instructions

Cylinder Pressure Check

Doffing Instructions

Cylinder Removal and Cleaning

After Use Cleaning Procedures

Cleaning the Facemask

Cleaning the Demand Valve

Apparatus Checks, Testing, and Storage

Apparatus Checks and Faults

Leak Test and Whistle Check

Final leak test and whistle verification before storage or return.