Survitec Group Crewsaver Crewfit Twin 275N User manual

1
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Date: April 2014
Issue No: 9
Crewsaver - Servicing Manual : Crewsaver Crewfit Twin Lifejacket
SERVICE MANUAL
CREWFIT TWIN LIFEJACKET
Survitec House, Lederle Lane, Gosport,
Hants. PO13 0FZ, England.
Tel: [phone] Fax: [phone]
email: crewsa[email protected]
Web: www.crewsaver.com
R29965

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of 38
Date: April 2014
Issue No: 9
Crewsaver - Servicing Manual : Crewsaver Crewfit Twin Lifejacket
No.
Issue 9
Issue 10
Description
Section outlining the scope of the Manual added
on Index page.
Page 4 - change in procedure for accessing
manuals on the website.
Section 8.1.3.2 - New procedure for fitting
replacement cylinders to Hammar mechanism.
Section 5.4 - Expired L6 Lights to be replaced by
CSL Lights.
CSL Light added to Parts List
Date
June 2011
April 2014
Service Bulletins and Amendments Register
DN: cn=scott.
sanders@surv
itecgroup.com
Date:
2014.05.07
15:43:17
+01'00'

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of 38
Date: April 2014
Issue No: 9
Crewsaver - Servicing Manual : Crewsaver Crewfit Twin Lifejacket
Index
Section 1
1.1 Introduction
1.2 Product Description
1.3 Data Sheet
1.4 General Features
1.5 Donning Instructions
Section 2
2.1 Service Station Guidelines
2.2 On Receipt Inspection
2.3 General Care
2.4 Servicing Tools
2.5 Lifejacket Servicing Record Sheet
Section 3
3.1 Unpacking the Lifejacket
Section 4
4.1 Cleaning Lifejackets
Section 5
5.1 Inspection
Section 6
6.1 Testing
Section 7
7.1 Repairs
Section 8
8.1 Assembly
Section 9
9.1 Replacement parts
Scope
This manual covers the servicing of the Crewfit Twin 275N lifejacket without any current derivatives.

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of 38
Date: April 2014
Issue No: 9
Crewsaver - Servicing Manual : Crewsaver Crewfit Twin Lifejacket
1.1 Introduction
1.2 Product Description
1.1.1. This Service Manual will be published on the Crewsaver website (www.crewsaver.com). Click on PARTNER
AREA/LOGIN at the top of the screen. Personnel who have been trained in the servicing procedures for this
lifejacket will be issued with a Username and Password to enable them to access the download section. Each
manual carries an Issue Number and records of issue are logged by Crewsaver to ensure that the service network
maintains correct and up to date servicing information. Emails will be sent regarding any new Issues. Periodically
service bulletins may be issued which will be published on the Crewsaver website (www.crewsaver.com). Emails
will also be sent. It is the service station's responsibility to regularly check the website for any new bulletins and to
ensure inclusion within the servicing manual. The service bulletin register at the front of the Manual should be
completed.
1.1.2. The information referenced in each section follows a standard servicing procedure by which the inspection should
take place.
1.1.3. This servicing manual details information to enable regular maintenance and servicing of the lifejacket to help
prolong the life of the product and ensure it functions correctly.
1.1.4. The manual should be used as a reference document following training in servicing procedures instructed by
Crewsaver approved personnel. The manual also details the equipment and parts needed for correct
maintenance to be performed.
1.1.5. Servicing must be carried out annually at a service station authorised by the manufacturer.
1.1.6. Regular servicing is to be carried out by qualified personnel trained by Crewsaver and holding a valid servicing
certificate. Certificates are valid for a period of 3 years.
1 yr
1.2.1. The Crewfit Twin is a twin chamber 275N inflatable lifejacket.
1.2.2. The lifejacket is both SOLAS/MED approved and CE approved to EN 399 -275N Lifejackets.
1.2.3. The lifejacket is easy to don and work in whilst still retaining high in-water performance.
1.2.4. The buoyancy of the jacket is provided by two individual chambers each providing 150N buoyancy.
To ensure full buoyancy is achieved both chambers must be inflated. Each chamber is fitted with an oral tube to
ensure full buoyancy can be achieved and maintained after inflation.
1.2.5. The high buoyancy of this lifejacket allows it to be suitable when the user is wearing heavy clothing , an immersion
suit or carrying tools.
1.2.6. This lifejacket is inflated by automatic firing mechanisms.
1.2.7. This lifejacket is provided with a light that operates when the lifejacket inflates. It can be fitted with a crutch strap
and a spray hood that conforms to EN394.
1.2.8. This lifejacket comes in two different versions, the waist belt version and integral deck safety harness version
which both have a velcro cover closure. The Crewfit Twin can also be fitted with a fall arrest harness approved to
EN361.
1
Section

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Date: April 2014
Issue No: 9
Crewsaver - Servicing Manual : Crewsaver Crewfit Twin Lifejacket
1.3 Data Sheet
Features:
Front Chamber Buoyancy:
Rear Chamber Buoyancy:
Total Chamber Buoyancy:
Buoyancy category:
Cover Colour
MCA (UK) Approved
SOLAS Approved
CE Approved
Cylinder size
Standard Automatic
Hammar Automatic
Manual Firing head
Manual Override
Oral inflation tubes
Pressure relief valves
Hard wearing cover
Whistle - fitted
Retro-reflective tape
Lifting Becket - fitted
Light - fitted
Spray Hood
Thigh straps
Fall Arrest Harness
Closure method
Alternative covers
Crewfit Twin 275N Lifejacket
150N
150N
300N
275N
Orange
X
X
X
33g
X
Optional
N/A
X
X
-
X
X
X
X
X
Optional
Optional
Optional
Velcro
-
1
Section