Survitec Group Crewsaver Crewfit Twin 275N Service Manual Download Page 1

Page: 1 / 43

Crewsaver -

Servicing Manual: Crewsaver Crewfit 275 Lifejacket

Date: November 2016
Issue No: 14

Page

of 43

SERVICE MANUAL

CREWFIT 275N LIFEJACKET

Survitec House, Lederle Lane, Gosport,

Hants. PO13 0FZ, England.

Tel: +44 (0) 1329 820000 Fax: +44 (0) 1329 236218

email: [email protected]

Web: www.crewsaver.com

R29965

Summary of Contents for Crewsaver Crewfit Twin 275N

Page 1: ...fejacket Date November 2016 Issue No 14 Page of 43 1 SERVICE MANUAL CREWFIT 275N LIFEJACKET Survitec House Lederle Lane Gosport Hants PO13 0FZ England Tel 44 0 1329 820000 Fax 44 0 1329 236218 email c...

Page 2: ...ation Tube on older jackets now included Requirement for Servicing personnel to mark Service Labels with initials and certificate number added to Section 8 1 6 Details of CSL Light added to Section 5...

Page 3: ...ols 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 A...

Page 4: ...owing training in servicing procedures instructed by Crewsaver approved personnel The manual also details the equipment and parts needed for correct maintenancetobeperformed 1 1 5 Servicingmustbecarri...

Page 5: ...atic Hammar Automatic Manual Firing head Manual Override Oral inflation tube Pressure relief valves Hard wearing cover Whistle fitted Retro reflective tape Lifting Becket fitted Light fitted Spray Hoo...

Page 6: ...ed Retro Reflective Tape 60g CO Cylinder 2 USE ONLY CREWSAVER 60g CO2 Disposable Cylinder FOLD UNDER FOLD UNDER 20mm Velcro Hook 20mm Velcro Loop Oral Tube 40mm Black Polyester Retaining Strips Hammar...

Page 7: ...CO Cylinder 2 USE ONLY CREWSAVER 60g CO2 Disposable Cylinder FOLD UNDER FOLD UNDER 20mm Velcro Hook 20mm Velcro Loop Oral Tube 40mm Black Polyester Retaining Strips Mk5 Firing Head and Capsule 1 4 1 G...

Page 8: ...tioned down the centre of the back The lifejacket will inflate a u t o m a t i c a l l y u p o n immersion in water Pull lanyards down if manual inflation is required Fasten the interlocking front buc...

Page 9: ...front buckle as shown 1 2 3 CREWFIT PERSONS OF 32 KG OR MORE CREWFIT PERSONS OF 32 KG OR MORE The lifejacket will inflate a u t o m a t i c a l l y u p o n immersion in water Pull lanyards down if man...

Page 10: ...The service station shall be of an approved standard 2 1 1 9 Procedures shall be introduced to ensure that service bulletins Manuals and replacement parts are obtained from Crewsaver 2 1 1 10 Subseque...

Page 11: ...r diesel fuel may be sponged off immediately with clean water and allowed to dry naturally 2 3 3 Mud can be removed with a stiff not wire brush when dry 0 2 3 4 The outer cover may be hand washed in g...

Page 12: ...r Servicing Tool Kit A fine screw driver or tool suitable for removing gaskets Hammar inflator body bench clamp Hammar cylinder torque clamp Loctite 222 Adhesive Boning tool Roller Brushes Scissors go...

Page 13: ...VALVES MANIFOLDS Schrader VALVES CYLINDERS LIGHT CYALUME POCKET BUDDY LINE RQ INFLATION MECHANISM COMMENTS OPERATING MECHANISM CORD AUTOMATIC CAPSULE WASHERS RETAINING NUT RETAINING CLIP TOGGLE RQ SP...

Page 14: ...2 6 Lifejacket Servicing Tool Kit Cylinder Torque Strap UML Mk5 Auto Socket Manometer Valve Extraction Tool Pressure Measuring Adaptor Inflation Adaptor Turned Socket Calibrated Socket Driver Tighten...

Page 15: ...c operating head 3 1 2 1 1 Automatic Only Unscrew the Automatic Capsule if fitted from the operating mechanism Place to one side for testing and reassembly later See Section 6 for details 3 1 2 1 2 Ca...

Page 16: ...wsaver Servicing Manual Crewsaver Crewfit 275 Lifejacket Date November 2016 Issue No 14 Page of 43 16 Fig 3 1 Unpacking the Lifejacket 3 Section Fig 3 1 1 Fig 3 1 2 JER K TO INF LAT E Fig 3 1 3 Fig 3...

Page 17: ...ve retaining nut from the top of the firing head using a 9 16 ths socket or spanner Check for corrosion discard if corroded Remove the top sealing gasket washer and discard This must be replaced with...

Page 18: ...aver Mk5i Auto Capsule Sales Code 10012 United Moulders Mk5 Automatic Head Black Fitted to original batches of CSR 150N Seacrewsader and House of Hardy Crewfit Lifejackets The serial numbers are prefi...

Page 19: ...s been changed to differentiate it from the black United Moulders Mk5i Capsule 10017 Sales Code 10012 United Moulders Mk5 Automatic Capsule Black Fitted to original batches of CSR 150N Seacrewsader an...

Page 20: ...60 gram cylinder from the automatic operating head Once the cylinder has been removed inspect the cylinder O Ring seal Check the seal is in place and that it is in a good condition Take the cylinder a...

Page 21: ...d is needed then the jacket must be returned to Crewsaver for a new inflation chamber to be fitted or depending on the general condition of the cover the jacket must be declared as Beyond Economic Rep...

Page 22: ...ate November 2016 Issue No 14 Page of 43 22 Fig 3 6 United Moulders Mk3 Operating Head JACKETS FITTED WITH THE Mk3 OPERATING AS ILLUSTRATED ABOVE SHOULD BE RETURNED TO CREWSAVER WHO WILL DETERMINE WHE...

Page 23: ...r the capsule of these jackets they must be replaced with the new items as shown above Supplies of the Crewsaver Mk5 Head and Capsule will continue to be available for fitting onto older lifejackets T...

Page 24: ...een black locking ring and labelled yellow cap The black locking ring will now turn counter clockwise Fig 3 7 1 Fig 3 7 2 Cap 3a 3b 3 Now turn black locking ring counter clockwise 3a and lift cap 3b c...

Page 25: ...can be removed with clean water and the zip if fitted can be cleaned with a stiff not wire brush when dry 4 1 2 1 Contaminants such as oil or diesel fuel may be sponged off immediately with clean wat...

Page 26: ...nufactured before 1996 5 2 3 Visually inspect all webbings in accordance with Section 5 7 5 2 4 Visually inspect the whistle and its attachment to the lifejacket for mistreatment defects and fraying o...

Page 27: ...n released Remedial Action In the event that the Operating Mechanism fails any of the above inspection procedures the complete unit shall be replaced No Repairs are allowed Refer to Section 9 for the...

Page 28: ...ing Markings 5 9 Lights if fitted 5 9 1 There are many lights available and all have a means of testing the light Each light will have an expiry date printed on the light Below is the example of an L6...

Page 29: ...lens and its mounting or housing 5 9 6 Check expiry date on battery The expiry date must exceed the date of the next annual service If the light has expired or expires before the next service then it...

Page 30: ...a black ring these must be measured All Oral Inflation Tubes will be like this but some later models of lifejacket could be fitted with a Gas Flange that has a clear base These Gas Flanges need not be...

Page 31: ...1447 144 80 14480 14 48 2 2 60 96 4 479 1546 8 113 85 0 1547 0 1516 151 69 15169 15 17 2 3 63 73 4 683 1617 1 119 03 0 1617 0 1585 158 59 15859 15 86 2 4 66 50 4 886 1687 4 124 20 0 1687 0 1654 165 4...

Page 32: ...Test for Crewsaver Mk5 Automatic Operating Heads to be performed when capsules have expired 6 3 2 1 Remove the operating mechanism from the lifejacket and remove the cylinder 6 3 2 2 Assemble the exp...

Page 33: ...f the replacement part refer to Section 9 7 3 2 Please ensure cylinders are disposed of in accordance with local regulations Treat empty cylinders as steel for recycling purposes 7 4 1 No repairs perm...

Page 34: ...art No of the replacement part 7 6 1 No cuts are allowed in the webbing of any of these components No repairs are permitted on Harness Lifejackets Worn broken or cracked stitches are to be over sewn b...

Page 35: ...d be over sewn following the same line of stitching ensuring that the stitching continues for a minimum of 20mm past the repair section each end must be back tacked twice aii Repairs to pull threads s...

Page 36: ...Note Retaining nut must be tightened to between 2 5 and 2 7 Nm Warning Care must be taken not to cross thread the connection 8 1 3 3 For Hammar Hydrostatic and Manual Operating Mechanisms See Fig 8 4...

Page 37: ...that the Schrader valve is fitted If fitting a new schrader valve use a calibrated torque driver set to 0 32 0 36 Nm Then place the operating head onto the manifold so that the cylinder threaded openi...

Page 38: ...colour The capsule should be screwed tight to the end Make a note of the batch number and manufacture date on to the service record sheet If the lifejacket is fitted with a United Moulders Mk5 head a...

Page 39: ...driver set to 0 32 0 36 Nm Then place the operating head onto the manifold so that the cylinder is pointing upwards Fig 8 3 5 Fig 8 3 6 Check the O ring seal is in the recess on the top face of the o...

Page 40: ...o both these questions then proceed as follows If NO get a new cap Fig 8 4 3 Hold the gas cylinder through the fabric of the lifejacket Fig 8 4 4 Position the replacement cap with the water inlet valv...

Page 41: ...er at the dotted lines shown Fold down the collar flap C and line up the velcro and fasten Locate lifting becket D and fold this up on top of the inflator Fold lapels E and F across the front of the i...

Page 42: ...et is now repacked A B E F D C JER K TO INF LAT E K L G H I J Fig 8 6 1 Fig 8 6 2 Fig 8 6 3 Fig 8 6 4 Fig 8 6 Crewfit 275 ZippedPacking Instructions 8 Section Lay Lifejacket out flat as shown in Diagr...

Page 43: ...aining Clip 11043 UM Mk5 Auto Head Cutter O Ring 11048 Hammar Automatic Cap 11014 Hammar Back Plate 11013 Whistle 10677 L6 Light 10219 Crutch Straps pair 10032 Mouth Inflation Valve 10208 Mouth Inflat...

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