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SCOTT Sigma 2 User Manual

SCOTT Sigma 2
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SIGMA 2
Self-contained Breathing Apparatus
User Instructions
Article No. 1035017 Issue G 05. 2010
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SCOTT Sigma 2 Specifications

General IconGeneral
TypeSelf Contained Breathing Apparatus (SCBA)
ApplicationFirefighting, Industrial
Cylinder DurationVaries based on cylinder size and breathing rate
ApprovalEN 137
CompatibilityCompatible with various cylinders
FeaturesErgonomic design

Summary

Warnings

Pre-Use and Monthly Checks

General Checks

Visual inspection of all parts for cleanliness and damage.

Pneumatics System Checks

Checking cylinder connector, gauge, whistle, and hoses.

Demand Valve Checks

Verifying DV O-ring, fitting, and reset button functionality.

Facemask Checks

Ensuring facemask fit and pressurization for a leak-tight seal.

Positive Pressure, Bypass & Leak Test

Testing positive pressure, bypass function, and system integrity.

Whistle Test Procedure

Confirming the warning whistle operates correctly at pressure.

Donning Procedure

Facemask Donning and Fit

Fitting the facemask using head-harness or head-net.

Facemask Seal and Bypass Checks

Verifying facemask seal integrity and bypass function.

Leak and Whistle Tests

Performing leak tests and whistle checks before use.

After Use Procedures

Post-Use Leak Test

Performing a leak test after cylinder replacement and cleaning.

Scheduled Maintenance

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