OPERATOR'S ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL
BREATHING APPARATUS, OXYGEN-GENERATING, M20
BREATHING APPARATUS, OXYGEN-GENERATING, M20 (cont)
WARNINGS
LIST OF EFFECTIVE PAGES
Table of Contents - TM-3-4240-212-14-P0006
LIST OF ILLUSTRATIONS - TM-3-4240-212-14-P0007
Chapter 3. INTRODUCTION
Figure 1-1. Oxygen-generating breathing apparatus, M20.
Figure 1-2. Facepiece group.
Figure 1-3. Backplate assembly, back and bottom views.
Harness Assembly.
Section III. USE AND FUNCTIONING
Figure 1-4. Apparatus airflow.
Use of Spectacles
Chapter 2. OPERATING INSTRUCTIONS
Figure 2-1. Hood installation
Putting on Apparatus (figs. 2-2 and 2-3)
Figure 2-2. Donned apparatus, front view.
Figure 2-3. Donned apparatus, back view
Stopping Operation
Figure 2-4. Using pressure relief valve
Section III. Operation Under Unusual Conditions
Chapter 3. OPERATOR' MAINTENANCE
Testing Timer
Chapter 4. ORGANIZATIONAL MAINTENANCE
Table 4-1 Organizontal Preventive Maintenance Checks and Services
Section IV. ASSEMBLY OF FACEPIECE GROUP
Pressure. Relief Valve
Chapter 5. DIRECT SUPPORT MAINTENANCE
Inhalation Elbow and Support Bracket
Installation.
Chapter 6. SHIPMENT, ADMINISTRATIVE STORAGE, AND DESTRUCTIO TO PREVENT ENEMY USE
Appendix A. REFERENCES - TM-3-4240-212-14-P0034
Appendix B. BASIC ISSUE ITEMS LIST, ITEMS TROOP INSTALLED OR AUTHORIZED LIST, ORGANIZATIONAL, AND DIRECT SUPPORT MAINTENANCE REPAIR
Section III. ITEMS TROOP INSTALLED OR AUTHORIZED LIST
SECTION IV. REPAIR PARTS LIST
SECTION IV. REPAIR PARTS LIST (cont) - TM-3-4240-212-14-P0038
SECTION IV. REPAIR PARTS LIST (cont) - TM-3-4240-212-14-P0039
Figure B-1. Facepiece group, exploded view.
Figure B-2. Backplate assembly.
Figure B-3. Harness Assembly
Figure B-4. Accessories.
Section VI. NATIONAL STOCK NUMBER AND PART NUMBER INDEX
Appendix C. MAINTENANCE ALLOCATION CHART
MAINTENANCE ALLOCATION CHART for M20 OXYGEN GENERATING BREATHING APPARATUS
Distribution: - TM-3-4240-212-14-P0047
Recommended Changes to Equipment Technical Publications - TM-3-4240-212-14-P0048
TM-3-4240-212-14-P Breathing Apparatus Oxygen-Generating M20 Manual
BREATHING APPARATUS, OXYGEN-GENERATING, M20
BREATHING APPARATUS, OXYGEN-GENERATING, M20 (cont)
WARNINGS
LIST OF EFFECTIVE PAGES
Table of Contents - TM-3-4240-212-14-P0006
LIST OF ILLUSTRATIONS - TM-3-4240-212-14-P0007
Chapter 3. INTRODUCTION
Figure 1-1. Oxygen-generating breathing apparatus, M20.
Figure 1-2. Facepiece group.
Figure 1-3. Backplate assembly, back and bottom views.
Harness Assembly.
Section III. USE AND FUNCTIONING
Figure 1-4. Apparatus airflow.
Use of Spectacles
Chapter 2. OPERATING INSTRUCTIONS
Figure 2-1. Hood installation
Putting on Apparatus (figs. 2-2 and 2-3)
Figure 2-2. Donned apparatus, front view.
Figure 2-3. Donned apparatus, back view
Stopping Operation
Figure 2-4. Using pressure relief valve
Section III. Operation Under Unusual Conditions
Chapter 3. OPERATOR' MAINTENANCE
Testing Timer
Chapter 4. ORGANIZATIONAL MAINTENANCE
Table 4-1 Organizontal Preventive Maintenance Checks and Services
Section IV. ASSEMBLY OF FACEPIECE GROUP
Pressure. Relief Valve
Chapter 5. DIRECT SUPPORT MAINTENANCE
Inhalation Elbow and Support Bracket
Installation.
Chapter 6. SHIPMENT, ADMINISTRATIVE STORAGE, AND DESTRUCTIO TO PREVENT ENEMY USE
Appendix A. REFERENCES - TM-3-4240-212-14-P0034
Appendix B. BASIC ISSUE ITEMS LIST, ITEMS TROOP INSTALLED OR AUTHORIZED LIST, ORGANIZATIONAL, AND DIRECT SUPPORT MAINTENANCE REPAIR
Section III. ITEMS TROOP INSTALLED OR AUTHORIZED LIST
SECTION IV. REPAIR PARTS LIST
SECTION IV. REPAIR PARTS LIST (cont) - TM-3-4240-212-14-P0038
SECTION IV. REPAIR PARTS LIST (cont) - TM-3-4240-212-14-P0039
Figure B-1. Facepiece group, exploded view.
Figure B-2. Backplate assembly.
Figure B-3. Harness Assembly
Figure B-4. Accessories.
Section VI. NATIONAL STOCK NUMBER AND PART NUMBER INDEX
Appendix C. MAINTENANCE ALLOCATION CHART
MAINTENANCE ALLOCATION CHART for M20 OXYGEN GENERATING BREATHING APPARATUS
Distribution: - TM-3-4240-212-14-P0047
Recommended Changes to Equipment Technical Publications - TM-3-4240-212-14-P0048
TM-3-4240-212-14-P Breathing Apparatus Oxygen-Generating M20 Manual
