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September 2023 Med Tips
Don't miss out on our upcoming Virtual Service Schools!
CAIRE Service School Trainings and Webinars 2023
CAIRE offers In-person and Virtual Service Schools covering both LOX and Concentrator lines.
Each class is a comprehensive program that focuses on the technical and service aspects of the CAIRE
family products. Class time is divided between lecture and hands-on workshops. The seminars will help
the student develop a better understanding of how liquid oxygen equipment or concentrators work,
how to identify the symptoms and causes of potential problems and how to use the technicalinformation that is available in the Technical Manuals. Registration for CAIRE’s Service Schools ismandatory. Registration forms must be received two weeks prior to the start of the class in order toguarantee availability and materials.
Table 1 - Details of upcoming training.
TypeLOX FranceConc France
LOX Italy
LOX LATAMConc LATAMLOX Germany
Conc USA
LOX USAConc Europe
LOX Europe

Language
FrenchFrenchItalian
SpanishSpanishGermanEnglishEnglishEnglishEnglishLocation
Toulouse, France
Toulouse, France
Padova, Italy
Latin America
Latin AmericaLangenfeld, Germany
Ball Ground, GA USA
Ball Ground, GA USA
Toulouse, FranceToulouse, France

Training Dates
19-September-23
20-21 September-23
11-October-23
17-October-23
18-19 October-23
8-November-23
13-15 November-23
16 November-23
21-22 November
23 November

Registration by Training Type
5-September
In person
5-September
In person
27-September
In person
3-OctoberRemote3-OctoberRemote25-OctoberIn person
30-OctoberIn person
30-OctoberIn person
8-November
Remote8-November
Remote*We reserve the right to cancel training seminars at short notice. Customers should ensure that theytake necessary precautions to ensure costs are covered in case of cancellation.
** Training will be in the form of a Webinar.
Concentrator Service School Topics include:• Concentrator hazards and safety precautions• Principles of pressure, flow, and saturation• Functions of the major components of a portable/stationary concentrator• Theory of operation• Set up and use of test equipment

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Troubleshooting, repair and performance verification/testing procedures

LOX Service School Topics include:• Liquid oxygen (LOX) hazards and safety precautions• Principles of pressure, flow and liquid oxygen saturation• Functions of the major components of a liquid oxygen system• HELiOS™ system theory of operation• Reservoir and portable filling procedures• Set up and use of test equipment
Please submit your registrations forms no later than the dates in Table 1 above. If you are interested
in the service schools mentioned above, and it is past the registration date, please reach out to theregistration emails below. Please note that as travel restrictions, and Covid-related guidelines evolve,
we intend to restore CAIRE Service School to in person.
To register for Service School, please email:Techservice.global@caireinc.com for USA Training or jim.gibson@caireinc.com for European Training.

PRODUCT UPDATESLiberator® 20, 30, 37 and 45 models change of design, Neck Tube
CAIRE® would like to notify our valued customers that as part of our drive for continuous productimprovements, we will change the design used for the neck tube on the above model Liberator Liquid
Oxygen equipment’s. The previous bellows neck tube assembly design will be replaced by a more robust
all stainless-steel tube design. See Figure 1. below for details.

3New style steel tube design

Old style bellows neck tube design
Figure 1.

As part of this design change, the manifold assembly will no longer require the extended vent tube andullage will be controlled by the length of the neck tube. See Figure 2. below for details.

Section View robust all stainlesssteel tube design without
extended vent tube

Section View bellows neck tube
assembly with extended venttube

4Figure 2.
The first serial number affected by this change is CBB3023240481, units manufactured after thisserial number will have the new neck design, and the new manifold design. For manifold part numbers,
please check service bulletin.
Note* This design change will not affect Liberator 60 models.
For further information please contact the Technical Service Team or refer to Service bulletin 21498112.

CAIRE LOX Portables Backpack
CAIRE® would like to remind customers that we have specially design backpacks for the transport of ourLOX portables models. We do not recommend the use of different backpacks as these may not haveadequate ventilation. Please remember to always keep LOX portables in a upright position even if in thebackpack failure to do so could possibly cause injury.
The excerpt from our accessory catalogue shows the part number of the Backpack we supply.

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Helpful Hints & FAQs
Companion 5 Outlet Pressure Test Procedure (units with Flowmeter #15063266)

1) Open up the unit.
2) Remove the cap from right side of the flow sensor.
3) Connect 5/32nd size tubing to the right side of the flow sensor (Picture 1).
4) Connect the other end of the tubing to a pressure analyzer.
5) Turn the power switch to the “ON” position.

Picture 1. Flow Sensor66) Open flowmeter to 5 LPM.
7) Allow the unit to run for 10 minutes prior to testing the pressure.
8) Observe the reading on the pressure analyzer (Picture 2).
9) Acceptable range is 4.3 – 4.9 psig. If the outlet pressure is not within this range,
the product regulator needs to be adjusted. (see manual 14940837 for procedure)
10) Turn the power switch to the “OFF” position.
11) Remove tubing from flow sensor and replace the cap.
Picture 2. Pressure Analyzer

Document UpdateWe advise our valued customers to monitor and check that they are using the most recent revision ofany documents for the model of equipment they have. Below is a list of documents that werereleased/updated during August 2023.
-Liberator User Manual MN234 Rev J
Liberator User Manual MN234-C4 Rev J
Liberator User Manual MN234-12 Rev J
Liberator User Manual MN234-15 Rev J
Liberator User Manual MN234-5 Rev J
Spirit User Manual MN235 Rev D
Spirit User Manual MN235-C4 Rev D
Sprint/Stroller User Manual MN236 Rev E
Sprint/Stroller User Manual MN236-C4 Rev E
Sprint/Stroller User Manual MN236-5 Rev E

Med Tips Distribution!
The CAIRE team is asking all current subscribers to CAIRE’s Med Tips Newsletter to register in order tocontinue receiving this monthly communication.
Please click this link - http://go.pardot.com/l/710913/2022-01-17/2pgcj9 - and provide us with yourcurrent information. Thank you and we appreciate your support.

CONTACT:For technical questions or concerns, contact Technical Service:

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USA:

800-482-2473

techservice.global@caireinc.com
Europe:+44 (0) 118 936 7060

techservice.global@caireinc.com
For ordering information or general inquires, contact Customer Service:USA:

800-482-2473

customerservice.usa@caireinc.com
Europe:+44 (0) 118 936 7060

customerservice.europe@caireinc.com© Copyright 2023 CAIRE Inc. All Rights Reserved. CAIRE Inc. reserves the right to discontinue its
products, or change the prices, materials, equipment, quality, descriptions, specifications and/orprocesses to its products at any time without prior notice and with no further obligation orconsequence. All rights not expressly stated herein are reserved by us, as applicable.
Please consult the applicable product instructions for use for product indications, contraindications,warnings, precautions, and detailed safety information.

PN 21498112A
RELEASE DATE:

November 11, 2022

MODEL:

Liberator® 20, 30, 37 and 45 models

ISSUE:

Change of design, Neck Tube.

NOTES:CAIRE® would like to notify our valued customers that as part of our drive forcontinuous product improvements, we will change the design used for theneck tube on the above model Liberator Liquid Oxygen equipment’s. The
previous bellows neck tube assembly design will be replaced by a morerobust all stainless steel tube design. See Figure 1. below for details.

New style steel tube design

Old style bellows neck tube design
Figure 1.

As part of this design change, the manifold assembly will no longer require
the extended vent tube and ullage will be controlled by the length of the necktube. See Figure 2. below for details

Copyright © 2022 CAIRE Inc.
CAIRE Inc. reserves the right to discontinue its products, or change the prices, materials, equipment, quality, descriptions, specifications and/orprocesses to its products at any time without prior notice and with no further obligation or consequence. All rights not expressly stated herein arereserved by us, as applicable.
Ref 21498112 Rev A

www.caireinc.com

Page 1 of 3

Section View bellows necktube assembly with extended
vent tube

Section View robust all
stainless steel tube design
without extended vent tube
Figure 2.

Customers who fit a service Dewar with the solid neck tube can still use theolder manifold and do not need to upgrade the manifold assembly. New style
Manifolds without the extended vent tube cannot be used on older model
Dewars fitted with the bellow neck tubes. Part numbers for the various typesof manifolds are shown below in table 1.

Equipment Type
Liberator 20
Liberator 30
Liberator 37
Liberator 45

Manifold Old
15096375
150961641509613015096113

Manifold New
21497852
21497851
21497850
21497841

Table 1. – Manifold Part Numbers
Note* This design change will not affect Liberator 60 models.

Copyright © 2022 CAIRE Inc.
CAIRE Inc. reserves the right to discontinue its products, or change the prices, materials, equipment, quality, descriptions, specifications and/orprocesses to its products at any time without prior notice and with no further obligation or consequence. All rights not expressly stated herein arereserved by us, as applicable.
Ref 21498112 Rev A

www.caireinc.com

Page 2 of 3

For further information please contact the Technical Service Team.

CONTACT:For technical questions or concerns, contact Technical Service:USA:

800-482-2473

Europe:+44 (0) 118 936 7060

techservice.global@caireinc.com
For ordering information or general inquires, contact Customer Service:USA:
800-482-2473
customerservice.usa@caireinc.com
Europe:+44 (0) 118 936 7060

customerservice.europe@caireinc.com

Copyright © 2022 CAIRE Inc.
CAIRE Inc. reserves the right to discontinue its products, or change the prices, materials, equipment, quality, descriptions, specifications and/orprocesses to its products at any time without prior notice and with no further obligation or consequence. All rights not expressly stated herein arereserved by us, as applicable.
Ref 21498112 Rev A

www.caireinc.com

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