mcmurdo 36-001-001A Service Manual Download | Manualshive

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C1 S-VDR

Service Manual

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Summary of Contents for 36-001-001A

Page 1: ...C1 S VDR Service Manual ...

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Page 3: ...isposal of batteries 29 3 10 HRU Replacement Kit 30 3 11 Programming 34 3 12 Data Recovery 34 4 Fault finding 36 4 1 Confirming PCB faults 36 5 Repair procedures 37 6 Spares 38 7 Appendix 1 Specification 40 DRU section 40 EPIRB section 40 Appendix 2 IMO recommendations 41 This document is McMurdo Limited copyright and contains proprietary owned intellectual property rights and confidential data Al...

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Page 5: ... sinks and to transmit its current location information through the COSPAS SARSAT satellite network The Capsule complies with the requirements of IEC 61996 2 The Capsule is capable of being accessed following an incident but is secure against tampering The Capsule encloses the Data Recording Unit DRU containing the recording medium The final recording medium is not accessible by standard operating...

Page 6: ...C1 S VDR service manual Issue 1 Page 2 S VDR EPIRB in mount ...

Page 7: ...est Fixture Handtools Calibrated torque driver 60 85cNm with attachments 7mm A F M4 socket Small cross headed screwdriver Medium Cross headed screwdriver 11mm A F box spanner or socket 10mm A F spanner 19mm A F spanner Antistatic precautions The electronics sections of the S VFR are sensitive to electrostatic discharge ESD which can cause immediate or hidden long term damage It is important that t...

Page 8: ...Lithium is inflammable reacts violently with water and constitutes a biological hazard These batteries are HAZARDOUS if short circuited punctured incinerated or deformed Lithium batteries must not be short circuited Lithium batteries must be handled transported and disposed of using appropriate safety precautions The use of rubber gloves as a routine precaution is recommended The Lithium batteries...

Page 9: ...As a general rule protective overalls gloves and goggles should be worn when handling these chemical agents but different countries may have additional requirements which must be observed Ensure that all chemical agents are handled in accordance with the manufacturer s instructions and that suitable protective clothing is worn Make sure that the working area is well ventilated and that chemical su...

Page 10: ...the unique ID 1 6 Deactivating the EPIRB Remove the S VDR from any water and dry the sea switch contacts at the bottom of the unit Wait for a few seconds for the unit to de activate automatically If it fails to deactivate press the OFF switch The FFC should stop flashing within one minute If the FFC continues to transmit it may have a fault The next stage is to attempt to deactivate the unit by a ...

Page 11: ...ata recovery Fault diagnosis and repair 2 2 Routine testing An EPIRB should be tested monthly by its owner to ensure functionality Wherever possible the EPIRB should also be inspected for mechanical damage In accordance with IMO guidelines Circ 1040 an EPIRB fitted to a GMDSS compliant vessel is recommended to undergo a yearly on board inspection In accordance with IMO guidelines Circ 1039 an EPIR...

Page 12: ...o the manufacturer The first section of the form records the customer the S VDR and the reason for return as Customer comments It is essential to record the identity details from the EPIRB top cone as these will be necessary for comparison with the transmitted data The expiry date must be noted if less than 6 months life remains a battery change should be recommended to the customer Opening the FF...

Page 13: ...nyard OK Comments FUNCTIONAL TEST Sea Switch Activates Deactivates Does not activate with magnet Self test Red LED on 3 strobe flashes Green LED Live mode Strobe activates within 8 s Comments MESSAGE READ ID 121 sweep heard Country MMSI Call sign Serial no 406 frequency OK Man Serial No EPIRB No Auto Man Comments INTERNAL INSPECTION Required Water ingress PCB corrosion PCB fault Battery voltage Pl...

Page 14: ...C1 S VDR service manual Issue 1 Page 10 ...

Page 15: ...ould be in good condition there should be no visible damage or rusting Remove the top cover and inspect the glands these should be tight Tighten to 300cNm 25cNm using a 19mm torque driver if required FFC inspection 1 Examine both cones for signs of cracking or fracture that might lead to water ingress Look in particular around the switches and the 10 bolt mounting holes as these are under the most...

Page 16: ...pprox 8 seconds 3 Immediately lift the FFC off the metal plate Within approx 8 seconds the EPIRB should deactivate Self test 1 Press and hold the TEST button 2 The red LED should immediately light indicating self test is running 3 On successful completion of the self test sequence the green LED will flash 3 times and the strobe will flash 3 times 4 Release the TEST button CAUTION Do not subject mo...

Page 17: ...6MHz frequency must be provided a spectrum analyser for example 9 Confirm the 15 digit ID agrees with FFC identity label UIN This proves the 406MHz transmitter is modulating correctly and the EPIRB is programmed with the correct vessel identity If the ARG5410 is not used then another facility for message decoding must be provided other message readers 10 Confirm the Flag state and the Serial No MM...

Page 18: ...ould be followed but using the notes below as guidance on what to look for during the disassembly process Prior to opening EPIRB Carry out inspection as per section 3 1 With dome and gasket removed If there is a pungent smell then suspect that the Lithium battery pack has leaked See section 1 4 for advice Wear rubber gloves Damaged lithium batteries may be unstable and pose a serious safety hazard...

Page 19: ... Note If the cones will not come apart there is probably a partial vacuum inside the EPIRB Do not lever the cones apart as this will cause damage Use an 11mm A F socket to loosen the TEST switch boot A slight hiss will be heard as the vacuum releases When it stops re tighten the TEST switch boot Pull the cones apart 3 Gently lift the top cone up taking great care not to damage the Reed switch PCB ...

Page 20: ...tions Unplug the two switches ON and TEST Remove the seven board mounting screws and withdraw the board complete with antenna from the top cone Take care not to loose the foam pads locating the antenna PCB in the top cone The PCB EPIRB section 36 030B contains 3 PCBs S VDR EPIRB PCB 36 040B S VDR Antenna PCB 36 050B Reed switch PCB 36 052B Separating the 3 PCBs The PCBs are joined by the electrica...

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