background image

Page 1 of 15 

 
 
 
 

Ocenco Incorporated 

 

M-20 

 

 

Self Contained Self Rescuer

 

 

Instruction  Manual 

 

Manual No.  N22069 

 

 

Revision  A,  ECN 3071  

 

 

 
 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 

Содержание M-20

Страница 1: ...Page 1 of 15 Ocenco Incorporated M 20 Self Contained Self Rescuer Instruction Manual Manual No N22069 Revision A ECN 3071...

Страница 2: ...ion 2 2 Limitations 2 3 Components 2 4 Theory of Operation 2 5 Specifications 3 M 20 Care and Maintenance 3 1 How to Care for the M 20 3 2 How to Inspect the M 20 4 Donning Instructions 4 1 When to us...

Страница 3: ...simple steps see section 5 4 and these six steps should be practiced over and over by the trainees until it becomes second nature Inquiries regarding Ocenco Breathing Devices should be directed to Oc...

Страница 4: ...tional Safety and Health NIOSH and the Mine Safety and Health Administration MSHA for a duration of 10 minutes The duration of all self rescuers can vary depending on the user s oxygen consumption rat...

Страница 5: ...y The clear BASE has integral belt loops and a base overcase that is affixed to the bottom of the base to provide protection from shock and vibration 2 3 3 LATCH Assembly The stainless steel LATCH ban...

Страница 6: ...Page 6 of 15 M 20 Case 1 Cover 2 Overcase Cover 3 Latch Band 4 Base 5 Overcase Base 6 S Hook 7 Tamper Ball 8 Lever 5 4 2 3 1 1 7 3 2 5 4 8 6...

Страница 7: ...o the Breathing Bag and automatically increases the oxygen flow during high work rates 7 Gauge the Gauge indicates the amount of oxygen in the Cylinder The green zone on the Gauge indicates the Cylind...

Страница 8: ...mbly 3 4 11 10 1 2 5 9 12 6 7 8 1 Noseclip yellow 2 Mouthpiece yellow 3 Neck Strap yellow 4 Neck Strap O ring 5 Cylinder 6 Oxygen Controller 7 Gauge 8 Activation Cable 9 Scrubber 10 Breathing Bag 11 R...

Страница 9: ...es the oxygen controller will supply more oxygen than the user can consume and excess gas exits the Relief Valve The starting of the oxygen flow the increased flow rate during high work rates and the...

Страница 10: ...Page 10 of 15 M 20 Theory of Operation 3 2 4 5 1 1 Constant Flow of Oxygen 2 Demand Flow of Oxygen 3 Inhalation 4 Exhalation 5 Relief Valve Exhaust...

Страница 11: ...there should be consideration for accountability of the condition of the self rescuer when it is returned Teaching trainees to care for the M 20 must be a combination of instruction and enforcement Yo...

Страница 12: ...ndications of high force impacts Indications of high force impacts are listed below If any of these signs are present the M 20 must be removed from service a Case cracked burned deformed or excessivel...

Страница 13: ...Fire alarm or carbon monoxide alarm 5 Sudden increase of air temperature 6 Sound of explosion 7 Vibrations of explosion 8 Interruption of ventilation 9 Someone around you has difficulty breathing or p...

Страница 14: ...e straps and pull case apart discard cover and rubber seal 4 Open oxygen valve fully counterclockwise in direction of arrow 5 Remove M 20 neck strap 6 Place EBA 6 5 neck strap overhead 7 Inhale from M...

Страница 15: ...g maintenance and other information as supplied in this manual are essential to the effective use of the EBA 6 5 The user should be familiar with Instructions for Use 1 12 before attempting to use the...

Отзывы: