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Survitec Group Crewsaver CREWFIT 275N Service Manual

Lifejacket
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Crewsaver -
Servicing Manual: Crewsaver Crewfit 275 Lifejacket
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: crewsaver@survitecgroup.com
Web: www.crewsaver.com
Page
Date: November 2016
1
Issue No: 14
1
of 43

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Summary of Contents for Survitec Group Crewsaver CREWFIT 275N

  • Page 1 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket 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: crewsaver@survitecgroup.com Web: www.crewsaver.com Page Date: November 2016 Issue No: 14 of 43...
  • Page 2 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Service Bulletins and Amendments Register Date Description Issue 11 June 2011 Section outlining the scope of the Manual added on Index page. Issue 12 February 2013 Details of all Automatic Heads, Capsules and Indicator Clips used.
  • Page 3 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Scope This manual covers the servicing of the Crewfit 275N lifejacket. The elements contained within the manual also cover the Voyager 275N lifejacket. Training will have been given in this lifejacket and if any aspect is critical to its operation this will be shown in this manual. Index Section 1 Introduction...
  • Page 4 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Introduction 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.

  • Page 5: Data Sheet

    Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Data Sheet Crewfit 275N Lifejacket Features: 290N Chamber Buoyancy: 275N Buoyancy Category: Red or Blue Cover Colour MCA (UK) Approved SOLAS Approved CE Approved Cylinder size According Standard Automatic to customer Hammar Automatic choice Manual Firing head...
  • Page 6 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section 1.4.1 General Features - Non-Harness Plastic Press Studs Red PU Coated Polyester 40mm Black Polyester Back Strap Crewsaver Badge 40mm Black Polyester Solas Approved Waist Belt Retro Reflective Tape SS-40 Buckle Solas Approved Retro Reflective Tape 20mm Velcro - Hook...
  • Page 7 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section 1 1.4.1 General Features - Harness Red PU Coated Polyester 50mm Black Nylon Harness Crewsaver Badge 50mm Black Nylon belt Firing Head Square Link D-Ring pull toggle & 3 Bar Link Solas Approved 20mm Velcro - Hook Retro Reflective Tape...
  • Page 8 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section 1.5.1 Donning Instructions - Crewfit 275 Non-Harness Don the lifejacket like a normal jacket The backstrap should then be positioned down the centre of the back. Fasten the interlocking front buckle as shown. The lifejacket will inflate a u t o m a t i c a l l y u p o n immersion in water.
  • Page 9 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section 1 1.5.2 Donning Instructions - Crewfit 275 Harness Don the lifejacket like a normal jacket The shoulder straps should then be positioned down the centre of the back. Fasten the interlocking front buckle as shown.

  • Page 10: Service Stations

    Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Service Stations 2.1.1 Service stations shall comply with the following as a minimum; 2.1.1.1 Servicing of Inflatable Lifejackets shall be carried out in a fully enclosed area only. 2.1.1.2 The area shall be well lit and protected from direct sunlight. 2.1.1.3 The temperature and humidity shall be sufficiently controlled to ensure that the servicing of inflatable Lifejackets may be carried out successfully.

  • Page 11: General Care

    Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section General Care 2.3.1 The Lifejacket should be stowed in accordance with the manufacturer’s instructions. 2.3.1.1 Lifejackets should be stowed in a dry compartment. Avoid high humidity, such as a car boot. 2.3.1.2 Automatic Lifejackets should have stowage facilities which are provided with a method to encourage moisture removal.
  • Page 12 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Lifejacket Servicing Tools Fig. 2.4 Table of Tools Required Description Type Crewsaver 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...
  • Page 13 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section 2 Crewsaver CERTIFICATE NUMBER: LIFEJACKET SERVICING SCHEDULE W/O Number: TYPE CUSTOMER VESSEL LAST SERVICED BY DATE OF LAST SERVICE SERIAL NUMBER/S: COMMENTS COMMENTS CHAMBER INSPECTION INFLATION MECHANISM GENERAL CONDITION OPERATING MECHANISM CORD MATERIAL AUTOMATIC CAPSULE...
  • Page 14 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section 2 Lifejacket Servicing Tool Kit Cylinder Torque Strap Calibrated Socket Driver (Tighten Cylinder) UML Mk5 Auto Socket Calibrated Socket Driver Turned Socket (Remove & Replace Locking Nuts For UML & HR) Manometer Inflation Adaptor Calibrated Torque Driver...
  • Page 15 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Unpacking 3.1.1 Starting at the inflation mechanism side of the outer cover, unpeel the velcro or pull the zips apart (zipped version only), exposing the operating head and cylinder. Care should be taken not to snag the firing line.
  • Page 16 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Fig 3.1 Unpacking the Lifejacket Fig. 3.1.1 Fig. 3.1.2 Fig. 3.1.3 Fig. 3.1.4 Page Date: November 2016 Issue No: 14 of 43...
  • Page 17 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Fig 3.3 Halkey Roberts Operating Head Fig. 3.3.1 Fig. 3.3.2 Unscrew the 60 gram cylinder from the manual firing head. Check Unscrew the valve retaining nut from the top of to see if the cylinder has been used. the firing head, using a 9/16 ths socket or NOTE: This should be performed by check weighing, if under the spanner.
  • Page 18 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section STANDARD AUTOMATIC LIFEJACKETS Lifejackets received for servicing may have various automatic heads and capsules fitted. Below are details of the heads and capsules that may be encountered together with instructions regarding any necessary replacements. Mk3 Automatic Head.
  • Page 19 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Crewsaver Mk5 Automatic Capsule - Navy Blue. Fitted to Lifejackets manufactured from 2002 until early 2009. This Capsule is obsolete but is servicable up to the date shown on the Capsule. When necessary replace with Crewsaver Mk5i Automatic Capsule - Sales Code 10012.
  • Page 20 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Fig 3.4 Crewsaver Mk5 Operating Head Fig. 3.4.1 Fig. 3.4.2 Unscrew the Automatic firing capsule from the end of the Unscrew the 60 gram cylinder from the automatic operating head. This should only be done after the test operating head.
  • Page 21 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Fig 3.5 Manifold Types Replacing Automatic Heads - manifold types to be considered When replacing automatic operating heads it is important to note that the Mk. 5 operating heads must not be fitted to the old design of manifold (FIGURE 1).
  • Page 22 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section 3 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 WHETHER A REPLACEMENT Mk5 OPERATING HEAD CAN BE FITTED. Page Date: November 2016 Issue No: 14...
  • Page 23 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Fig 3.7 United Moulders Mk5 Operating Head Starting in June 2010, Crewfit 275 lifejackets with Standard Auto heads will be fitted with the United Moulders Mk5 Auto Head and Mk5i Capsule illustrated above. The serial numbers of these jackets will be prefixed with the letter ‘L’.
  • Page 24 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Fig 3.8 Hammar Operating Head Fig. 3.7.1 Fig. 3.7.2 Locking ring Place the lifejacket on a Insert metal key as shown in 2a and turn the key counter-clockwise smooth, flat surface and wipe off (2b) between black locking ring and labelled yellow cap.
  • Page 25 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Cleaning Lifejackets 4.1.1 The current standard cover of the Crewfit 275 is made from a 300d polyester fabric with a polyurethane coating that can be cleaned with care. In the event that contamination is such that the materials are inherently damaged refer to section 7.

  • Page 26: Gas Cylinders

    Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Outer Cover Inspection 5.1.1 Visually inspect the cover material for wear, abrasion, pulled threads, contamination, cuts and holes. 5.1.2 If necessary the Cover may be washed. Refer to Section 4. 5.1.3 Effect repairs if necessary and re-inspect for quality of repaired cover.
  • Page 27 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Valves 5.4.1 Visually inspect for damage. 5.4.2 Test in accordance with Section 6. Remedial Action: These items are not repairable. Refer to Section 9 for replacement part. Inflation System 5.5.1 Visually inspect the Operation of the Manual or Automatic Mechanism for: 5.5.1.1 Operation of the Manual override lever.
  • Page 28 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Webbings 5.6.1 Visually inspect for damage: 5.6.1.1. Fraying 5.6.1.2. Pulled Threads 5.6.1.3. Broken Stitches Remedial Action: Effect repairs in accordance with the Repair Procedures within the limits defined in Section 7. Buckles 5.7.1 Visually inspect all buckles used on the webbings for signs of damage or corrosion.
  • Page 29 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section 5.9.5 More recent jackets may be fitted with the Crewsaver CSL Water Activated Light. Visually inspect the light for signs of damage to: 5.9.5.1. The switch. 5.9.5.2. the cable. 5.9.5.3. the lens and its mounting or housing. 5.9.6 Check expiry date on battery.
  • Page 30 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section 5.10 Gas Flange and Inflation Tube Inspection Checking and monitoring the attachment of the Gas Flange and Oral Inflation Tube Degradation of the attachment weld of the Gas Flange and the Oral Inflation Tube can occur on older jackets depending on the climatic conditions experienced by the jacket.
  • Page 31 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Inflation Chamber 6.1.1. Air Holding Test. 6.1.1.1 Connect through a suitable Tee piece and adaptor, the oral tube with the oral valve in the open position, to a graduated water manometer (or a similar digital device for measuring back pressure). Note: Hammar inflators must be tested with the Hammar operating head fitted to the inflation chamber.
  • Page 32 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section 6.1.1.7. If the Lifejacket fails the air holding test inspect as follows. 6.1.1.7.1 With the lifejacket inflated carefully brush the surface with a weak solution of soap and water or alternatively lower the lifejacket into a tank of water to observe for bubbles. 6.1.1.7.2 Identify and mark the source of leakage.

  • Page 33: Outer Cover

    Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Outer Cover 7.1.1 No repairs are allowed on the outer cover. Inflation Chamber 7.2.1 No repairs are permitted to the inflator fabric or its assembly, due to the construction of this lifejacket. 7.2.2 Components attached to the inflator may be repaired in line with the limits defined below.
  • Page 34 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Inflation System 7.5.1 A Schrader core is located inside the Valve Stem. 7.5.1.1 Remove and replace using the calibrated torque driver for Schrader valves set to 0.32 - 0.36 Nm. Refer to Section 9 for the Part No. of the replacement part. WARNING: Only fit replacement Schrader valves obtained from Crewsaver.
  • Page 35 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Repair Parameters - Stitching All repairs to stitching must be carried out by a company deemed fit to perform the repair by Crewsaver prior to the work commencing. Stitching repairs should be performed when the visible inspection as detailed in section 5, Para 5.7 identifies broken or pulled stitches.
  • Page 36 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Assembly 8.1.1 Ensure the whistle is positioned and tied in correctly. 8.1.2 Expel the air from the chamber by inverting the dust cap on the oral tube. Lifejacket may also be deflated using the Crewsaver Venturi Vacuum System.
  • Page 37 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Fig 8.2 Halkey Roberts Operating Head Fig. 8.2.1 Following the inspection and testing procedures for Halkey Roberts Manual operating heads as detailed in Section 5 and 6. Fit the retaining clip or pin. Both the green retaining u- shaped clip and the green retaining pin, perform the same job, either may be fitted.
  • Page 38 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Fig 8.3 Crewsaver Mk5 Operating Head Fig. 8.3.1 Check that the cylinder sealing gasket in the end of the operating head has been correctly fitted, or replace if necessary. Fit the 60 gram CO cylinder. Ensure that the cylinder has been check weighed before fitting to the lifejacket.
  • Page 39 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Fig 8.3 Crewsaver Mk5 Operating Head Fig. 8.3.5 Check the bottom O-ring seal is in place. Before fitting the operating head onto the manifold, check that the Schrader valve is fitted. If fitting a new Schrader valve use a calibrated torque driver set to 0.32 - 0.36 Nm.
  • Page 40 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Fig 8.4 Hammar Operating Head Fig. 8.4.1 Fig. 8.4.2 Fig. 8.4.3 Green Indicator Water inlet valve Caution: Do Not turn Single center shaft point indicator Check that the indicator is green. Now check the new manual/ Hold the gas cylinder through the Insert new inflator body with gas...
  • Page 41 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Fig 8.5 Crewfit 275 Packing Instructions Fig. 8.5.1 Fig. 8.5.2 Fold down the collar flap (C), and line up the velcro Lay Lifejacket out flat as shown in Diagram 1. Fold and fasten.
  • Page 42 Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Section Fig 8.6 Crewfit 275 ZippedPacking Instructions Fig 8.1 Crewfit 275 Zipped Packing Instructions Fig. 8.6.1 Fig. 8.6.2 Fig. 8.1.1 Fig. 8.1.2 Fold down the collar flap (C), and line up the velcro Fold down the collar flap (C), and line up the Lay Lifejacket out flat as shown in Diagram 1.

  • Page 43: Parts List

    Crewsaver - Servicing Manual: Crewsaver Crewfit 275 Lifejacket Section Parts List Product Description Part Number 60 gram CO Cylinder 12050 Crewsaver Mk5 Auto Capsule 10012 Halkey Roberts Manual Head 10550 Manual Head Retaining Clip 10210 Manual Head Bottom Sealing Gasket 10096 Manual Head Top Sealing Gasket 10097...