ACR Electronics C406-1 SERIES Abbreviated Component Maintenance Manual Download Page 4

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COBHAM AVIONICS WULFSBERG ELECTRONICS

ABBREVIATED COMPONENT MAINTENANCE MANUAL

C406-1 (453-5002), C406-1HM (453-5003)

25-62-10

Page 4 of 90

APR 06/10

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Summary of Contents for C406-1 SERIES

Page 1: ...Wilkinson Rd Prescott AZ 86301 Cage Code 1B7G3 Abbreviated Component Maintenance Manual This manual includes data for the equipment that follows Component Part No Model No C406 1 SERIES EMERGENCY LOCA...

Page 2: ...regard to this manual including but not limited to any implied warranties of mer chantability fitness for a particular purpose and non infringement In addition Wulfsberg Electronics makes no warranty...

Page 3: ...1HM 453 5003 RECORD OF REVISIONS REV NO DCN NO DCN DATE REV NO DCN NO DCN DATE RELEASE Jan 08 2001 A DCN 1723 Jun 20 2001 A DCN 1965 Apr 04 2002 A DCN 2115 Dec 10 2002 A DCN 2269 Sep 03 2003 A DCN 25...

Page 4: ...COBHAM AVIONICS WULFSBERG ELECTRONICS ABBREVIATED COMPONENT MAINTENANCE MANUAL C406 1 453 5002 C406 1HM 453 5003 25 62 10 Page 4 of 90 APR 06 10 THIS IS A BLANK PAGE...

Page 5: ...90 APR 06 10 COBHAM AVIONICS WULFSBERG ELECTRONICS ABBREVIATED COMPONENT MAINTENANCE MANUAL C406 1 453 5002 C406 1HM 453 5003 SERVICE BULLETIN LIST SERVICE BULLETIN NO ISSUE DATE SUBJECT MANUAL REV N...

Page 6: ...COBHAM AVIONICS WULFSBERG ELECTRONICS ABBREVIATED COMPONENT MAINTENANCE MANUAL C406 1 453 5002 C406 1HM 453 5003 25 62 10 Page 6 of 90 APR 06 10 THIS IS A BLANK PAGE...

Page 7: ...ANK 8 Apr 06 10 Test and Fault Isolation 37 Apr 06 10 Table of Contents 9 Apr 06 10 38 Apr 06 10 10 Apr 06 10 39 Apr 06 10 11 Apr 06 10 40 Apr 06 10 12 Apr 06 10 41 Apr 06 10 List of Figures 13 Apr 06...

Page 8: ...10 61 Apr 06 10 Illustrated Parts List 83 Apr 06 10 62 Apr 06 10 84 Apr 06 10 63 Apr 06 10 85 Apr 06 10 64 Apr 06 10 86 Apr 06 10 65 Apr 06 10 87 Apr 06 10 66 Apr 06 10 88 Apr 06 10 67 Apr 06 10 89 A...

Page 9: ...8 C RTCA DO 160D Compliance 18 Table 1 Environmental Categories Breakdown 19 4 Frequency Allocations 20 A Application 20 B Discussion 20 5 List of Acronyms Abbreviations and Definitions 21 6 Reference...

Page 10: ...ce Testing Setup 41 H 121 5 MHz Frequency Measurement Item 5a 42 I Audio Modulation Check Item 5b 42 J 121 5 243 0 MHz Power Output Measurement Item 5c 43 K 406 MHz Frequency Measurement Item 5d 43 L...

Page 11: ...Considerations and Recommendations 65 B Remote Switch Harness Fabrication 66 C ELT 12 Pin Receptacle Installation 68 D Cockpit Remote Switch 9 Pin Plug Installation 69 E Wiring Installation 70 F Anten...

Page 12: ...ion 81 C Registration Information Resources 81 2 Registration 82 A Responsibility 82 B Required Information 82 C Where to Register 82 ILLUSTRATED PARTS LIST 1 Introduction 83 A Purpose 83 B IPL Usage...

Page 13: ...06 1 Series ELT Outline and Dimensions 57 Figure 15 Typical Mounting Tray Installation 58 Figure 16 Rod Antenna 110 338 and Whip Antenna 110 343 Outlines and Dimensions 61 Figure 17 Blade Antennas 110...

Page 14: ...COBHAM AVIONICS WULFSBERG ELECTRONICS ABBREVIATED COMPONENT MAINTENANCE MANUAL C406 1 453 5002 C406 1HM 453 5003 25 62 10 Page 14 of 90 APR 06 10 THIS IS A BLANK PAGE...

Page 15: ...lectronics reserves the right to add approved components to the ELT system including but not limited to antennas remote switches and coaxial cables 5 Regulatory references contained herein are general...

Page 16: ...his manual are the accessories most commonly associated with the C406 1 Series ELT Other options such as a different remote switch configuration or an ELT NAV Interface should be installed and maintai...

Page 17: ...nsisting of a mounting tray protective top cover and mounting frame cap 3 When ordered as a system an installation kit cockpit remote switch coax cable audible buzzer and single input antenna are prov...

Page 18: ...7 Issue 2 3 Industry Canada Certification Number 1215873110AF 4 JTSO 2C126 5 COSPAS SARSAT Certificate No 112 or 170 SUBTASK 25 62 10 990 002 B Battery CAUTION LITHIUM BATTERY SAFETY CONCERNS INCLUDE...

Page 19: ...Temperature Variation A 6 0 Humidity 204 7 0 8 0 Operational Shock and Crash Safety Vibration X 9 0 Explosion R 10 0 Waterproofness X 11 0 Fluids Susceptibility X 12 0 Sand and Dust X 13 0 Fungus X 1...

Page 20: ...025 MHz In order to comply with COSPAS SARSAT frequency allocation requirements changes to the 406 MHz frequency may occur since the original release of this product 2 While the original C406 1 Serie...

Page 21: ...ER The term Container within the context of this document refers to a device designed to suppress RF signals such that the broadcast of an ELT placed in the container cannot reach the SAR satellite sy...

Page 22: ...is used to automatically activate an ELT May also be referred to as a crash sensor LED Light Emitting Diode Semiconductor device that emits light when current is passed through it Usually used as a s...

Page 23: ...evice that anchors something movable to a stationary point or anchors two items together such that they cannot become separated beyond the length of the tether TSO Technical Standard Order A TSO is a...

Page 24: ...Records b AC 43 210 Standardized Procedures for Requesting Field Approval of Data Major Alterations and Repairs c AC 43 9 1 Instructions for Completion of FAA Form 337 d AC 43 13 1 Acceptable Methods...

Page 25: ...T S Operating on 121 5 and 243 0 MHz e DO 204 Minimal Operational Performance Standards for 406 MHz Emergency Locator Transmitters ELT SUBTASK 25 62 10 990 002 B Other Documents 1 The following docume...

Page 26: ...COBHAM AVIONICS WULFSBERG ELECTRONICS ABBREVIATED COMPONENT MAINTENANCE MANUAL C406 1 453 5002 C406 1HM 453 5003 25 62 10 Page 26 of 90 APR 06 10 THIS IS A BLANK PAGE...

Page 27: ...interaction between the ELT ELT NAV Interface and aircraft navigation system 3 The 406 MHz transmitter will operate for 24 hours and then shuts down automatically The 121 5 243 0 transmitter will con...

Page 28: ...870 002 B Components 1 The C406 1 Series ELT main assembly is housed in a high impact fire resistant polycarbonate plastic case which is enclosed in a protective mounting frame assembly made of simila...

Page 29: ...med or disabled from the cockpit Cockpit operation is limited to deactivating or manually activating the ELT Figure 3 Cockpit Remote Switch 3 The buzzer i e horn provides an audible alert when the ELT...

Page 30: ...on of the proper antenna is dependent upon end use aircraft configuration and speed and other factors See Figure 6 Rod and Whip Antennas Figure 6 Rod and Whip Antennas 6 Two single input blade antenna...

Page 31: ...on when the ELT is connected properly 3 ELT operation is designed to prevent human error and misuse in regards to automatic activation The ELT cannot be activated by dropping rough handling or during...

Page 32: ...tivation 1 The ELT may be manually activated by placing either the remote switch or the ELT local switch in the ON position NOTE As long as the cockpit remote switch and the ELT local switch are in th...

Page 33: ...Reference 98 130S 108 February 6 1998 Table 2 Environmental and Physical Specifications CRITERIA PARAMETER CHARACTERISTIC Temperature Storage 55 C to 85 C Operating 20 C to 55 C Mechanical Vibration 1...

Page 34: ...and 243 0 MHz 0 005 Modulation 406 MHz Bi Phase L G1D 121 5 and 243 0 MHz Amplitude Modulation A3X Transmitter Duty Cycle 406 MHz 440 ms 1 or 520 ms 1 every 50 seconds 5 121 5 and 243 0 MHz Continuou...

Page 35: ...MHz 2 0 1 Max 406 MHz 1 5 1 Max 121 5 243 0 MHz 1 75 1 or better 406 MHz 1 5 1 or better 121 5 243 0 MHz 2 5 1 or less 406 MHz 1 5 1 or less Polarization Vertical Monopole Radiation Pattern 121 5 and...

Page 36: ...COBHAM AVIONICS WULFSBERG ELECTRONICS ABBREVIATED COMPONENT MAINTENANCE MANUAL C406 1 453 5002 C406 1HM 453 5003 25 62 10 Page 36 of 90 APR 06 10 THIS IS A BLANK PAGE...

Page 37: ...for improper installation b Wiring and conduits for improper routing insecure mounting and obvious defects c Bonding and shielding for improper installation and poor condition and d Antenna including...

Page 38: ...10 Page 38 of 90 APR 06 10 SUBTASK 25 62 10 990 003 C Other Countries 1 For all other countries maintenance and testing shall be conducted in accordance with the requirements of applicable national re...

Page 39: ...ms 5a through 5h are mandatory requirements only in Canada in addition to meeting the other inspection and test requirements listed in Table 5 Table 5 ELT Inspection and Test Checklist ITEM NO DESCRIP...

Page 40: ...rdware for corrosion and security SUBTASK 25 62 10 220 003 E Battery Pack Inspection Item 3 CAUTION THE BATTERY PACK CONTAINS ELECTROSTATIC DISCHARGE SENSITIVE ESD COMPONENTS AND AS SUCH IT MUST BE HA...

Page 41: ...procedure unless Pins 5 and 8 on the ELT plug are jumpered See Figure 21 Remote Switch Harness Wiring Diagram on page 67 5 Verify the ELT switch is in the OFF position 6 Monitor 121 5 MHz on an AM re...

Page 42: ...s shown in Figure 9 Performance Tests Equipment Setup Figure 9 Performance Tests Equipment Setup SUBTASK 25 62 10 750 003 H 121 5 MHz Frequency Measurement Item 5a 1 Connect the measuring device refer...

Page 43: ...onnect the measuring device referring to SUBTASK 25 62 10 750 002 on page 41 2 Activate the ELT if necessary by placing the control switch in the ON position 3 Wait three minutes 4 Measure the frequen...

Page 44: ...EITHER A RESISTIVE LOAD OR EQUIPMENT WITH 50 OHM IMPEDANCE PADDED WITH 10 DB 5 WATT ATTENUATOR REFER TO SUBTASK 25 62 10 750 002 ON PAGE 41 1 Verify the ELT control switch is in the OFF position 2 Se...

Page 45: ...Long 406 MHz Message Examples a The test message broadcast by the ELT at turn off contains all the information in an actual distress message except there is a special digital prefix that informs COSPA...

Page 46: ...TER THE ELT IS ACTIVATED FOR APPROXIMATELY 47 SECONDS THE COSPAS SARSAT SATELLITE SYSTEM WILL CONSIDER THE 406 MHZ TRANSMISSION TO BE A VALID DISTRESS SIGNAL 1 Reinstall the ELT in accordance with SUB...

Page 47: ...na 3 Activate the ELT by placing the cockpit remote switch in the ON position NOTE Perform this test within the first five minutes after the hour UTC 4 Listen for 3 audible sweeps on the radio which t...

Page 48: ...a G switch loop open Pins 5 and 8 Remote switch harness connector loose or disconnected at ELT Check connector and tighten as necessary ELT connector pins bent or broken Check condition of connector...

Page 49: ...paired in field Return to factory for servicing 5 Flash Indicates there is no navigation position data present Aircraft navigation system off Turn on navigation system Faulty system interface wiring o...

Page 50: ...y Improper wiring Verify wiring Short circuit Check for frayed insulation Verify integrity of all crimp and solder connections ELT will not turn off Battery too low to support 406 burst and causes cir...

Page 51: ...away from the ELT and set it aside 5 Disconnect the antenna coax cable from the ELT 6 Disconnect the harness receptacle from the ELT if necessary NOTE The receptacle may disconnect when the mounting...

Page 52: ...INTERCONNECT HARNESSES WHICH LIMIT THE DISTANCE THE TWO COMPONENTS CAN BE SEPARATED UNTIL THE HARNESSES ARE DISCONNECTED 1 See Figure 13 Battery Pack Removal Figure 13 Battery Pack Removal 2 Turn the...

Page 53: ...ation 1 Upon receipt of such notice Wulfsberg Electronics will issue a Return Material Authorization RMA number which then authorizes return of the material or equipment to the following address a Fai...

Page 54: ...COBHAM AVIONICS WULFSBERG ELECTRONICS ABBREVIATED COMPONENT MAINTENANCE MANUAL C406 1 453 5002 C406 1HM 453 5003 25 62 10 Page 54 of 90 APR 06 10 THIS IS A BLANK PAGE...

Page 55: ...AA field approval of the ELT installation 2 In addition to the procedures outlined herein and in accordance with FAR Part 43 the installer must adhere to the aircraft manufacturer s instructions and r...

Page 56: ...survive a crash intact e g transmitter and external antenna should be attached to the airframe in such a manner that the attachment system can support a 100 g load ELT weight x 100 ELT antenna weight...

Page 57: ...DES A VERY POOR MOUNTING SURFACE CAUTION AVOID LOCATING THE ELT WHERE IT WILL BE SUBJECTED TO UNPROTECTED EXPOSURE TO HARSH CHEMICAL FLUIDS SUCH AS DEICING COMPOUNDS THESE TYPES OF CHEMICAL FLUIDS CAN...

Page 58: ...tallations SUBTASK 25 62 10 450 002 B Installation 1 See Figure 15 Typical Mounting Tray Installation Figure 15 Typical Mounting Tray Installation 2 Install the necessary mounting structure as appropr...

Page 59: ...l the mounting tray with the 8 32 x 5 8 SS pan head phillips screws flat washers lock washers and nuts provided in the installation kit 455 7421 as shown in Figure 15 Typical Mounting Tray Installatio...

Page 60: ...ocation guidance may be found in AC 43 13 2 Chapter 3 which deals specifically with antenna installations SUBTASK 25 62 10 450 002 C Installation NOTE Refer to the airframe manufacturer s written inst...

Page 61: ...25 5 8 16 MM HOLE IN AIRCRAFT FOR BNC CONNECTOR 3 PROVIDE 0 182 4 6 MM HOLES 4 PLCS IN AIRCRAFT FOR ATTACHING SCREWS 4 APPLY A LAYER OF ANTI CORROSION BONDING GREASE BETWEEN AICRAFT AND ANTENNA BASE 5...

Page 62: ...OR ATTACHING HARDWARE 4 BONDING THROUGH MOUNTING SCREWS NOT REQUIRED 5 APPLY A LAYER OF ANTI CORROSION BONDING GREASE BETWEEN AICRAFT AND ANTENNA BASE 6 GASKET NOT SUPPLIED AND USE OPTIONAL REQUEST P...

Page 63: ...ns 2 Fit the switch assembly into the cutout and mark the four screw holes then remove the switch 3 Drill the screw holes with a 28 or 3 6 mm drill 4 Install the switch assembly using the 4 40 x in pa...

Page 64: ...s not running When the engine s is running the LED on the cockpit remote switch assembly will warn the pilot the ELT is active SUBTASK 25 62 10 450 002 B Installation 1 Fabricate a bracket suitable fo...

Page 65: ...TO PREVENT INADVERTENT ELT ACTIVATION OR POSSIBLE COMPONENT DAMAGE DO NOT CONNECT THE HARNESS TO THE ELT OR COCKPIT REMOTE SWITCH UNTIL ALL POWER AND GROUND WIRING CONNECTIONS ARE COMPLETED 1 The foll...

Page 66: ...ximately 0 15 in 3 mm of insulation from the ends of each of the five cable wires b Dress and tin the bare wires to prevent the strands from fraying during terminal crimping operations 3 Three additio...

Page 67: ...T end c The buzzer power and ground wires 6 Crimp appropriately sized ring terminals on the buzzer ends of the buzzer power and ground wires 7 Crimp an appropriately sized ring terminal on the airfram...

Page 68: ...ee Figure 22 Remote Switch Harness Arrangement at ELT End on page 69 2 Feed the buzzer wires on the ELT end through the mounting frame cap 3 Fabricate a short jumper wire approximately 1 5 in 38 mm lo...

Page 69: ...21 Remote Switch Harness Wiring Diagram on page 67 a Insert each harness female pin into the plug NOTE Refer to the wire identification and pin relationships recorded in Step C 4 b NOTE Terminal pins...

Page 70: ...UBTASK 25 62 10 450 006 G Cockpit Remote Switch Power Connection 1 Connect the remote switch power wire If the wire is spliced fabricate the splice in a manner acceptable to the aircraft manufacturer...

Page 71: ...ritten instructions or as described in AC 43 13 1 Chapter 11 15 See Figure 21 Remote Switch Harness Wiring Diagram on page 67 SUBTASK 25 62 10 450 009 J Buzzer Connection 1 Connect the power wire to t...

Page 72: ...ed in the mounting tray 5 Install the protective top cover assembly 452 3052 on the ELT by fitting the cover locking slots over the locking ears on the ELT 6 Push the cover toward the connector end of...

Page 73: ...rification of the digital message i e 406 MHz Burst is desired follow the procedures outlined in SUBTASK 25 62 10 750 009 on page 45 SUBTASK 25 62 10 450 001 B Harness ELT Receptacle Sealing 1 Seal th...

Page 74: ...records entries and submit FAA Form 337 along with any supporting data required by the FAA for approval of the installation as applicable NOTE Refer to TASK 25 62 10 410 801 on page 55 for additional...

Page 75: ...ting battery that was removed for inspection and testing 2 See Figure 24 Battery Pack Installation Figure 24 Battery Pack Installation 3 Apply a thin coating of non petroleum based silicone grease suc...

Page 76: ...screws as shown in Figure 25 Battery Pack Screw Tightening Pattern Torque to 6 8 lb in 68 90 N cm Figure 25 Battery Pack Screw Tightening Pattern 12 Perform an ELT self test as follows a Set the ELT l...

Page 77: ...ies to installation of a new i e replacement battery 2 Verify the bottom of the ELT is clean and free of battery corrosion residue Clean as necessary 3 Remove the paper backing from the rubber seal at...

Page 78: ...this attitude and orientation is currently specified by CAR Part 5 Subpart 551 104 c Experience has indicated this mounting angle tends to preload the G switch and nuisance activation can occur as a...

Page 79: ...he ELT pointing forward See Figure 27 Orientation of ELT for Helicopter Installations NOTE This is the orientation of the primary G switch in the ELT 2 The ELT may be angled downward as much as 25 if...

Page 80: ...COBHAM AVIONICS WULFSBERG ELECTRONICS ABBREVIATED COMPONENT MAINTENANCE MANUAL C406 1 453 5002 C406 1HM 453 5003 25 62 10 Page 80 of 90 APR 06 10 THIS IS A BLANK PAGE...

Page 81: ...atitude and longitude position data if equipped with a navigation interface device SUBTASK 25 62 10 990 002 B Reason for Registration 1 ELT registration aids the Rescue Coordination Center RCC in dete...

Page 82: ...ct label b The information listed in SUBTASK 25 62 10 990 002 on page 81 2 The information i e address telephone number etc filed as part of the registration process should be kept up to date SUBTASK...

Page 83: ...be accomplished by the manufacturer SUBTASK 25 62 10 990 002 B IPL Usage Guide 1 If the part number is not known a Find the part in the IPL Figure illustration b Note the item number assigned to the...

Page 84: ...TASK 25 62 10 990 802 2 Manufacturer Name and Address SUBTASK 25 62 10 990 001 A Ordering Information 1 Approved spare parts and battery packs may be ordered from Artex Aircraft Supplies Inc or any a...

Page 85: ...ssary to identify added parts alternate parts and service bulletin modified parts SUBTASK 25 62 10 990 002 B Part Column 1 This column contains the manufacturer s part number for each part SUBTASK 25...

Page 86: ...ntity shown in this column represents the units required for one next higher assembly or when referring to attaching parts the quantity to attach one such item 2 The abbreviation RF reference indicate...

Page 87: ...tion FIG ITEM PART 1234 NOMENCLATURE UPA 28 01 452 3052 Protective Top Cover Assembly 1 02 452 5052 Mounting Frame Cap Assembly 1 03 452 5050 Mounting Tray Assembly 1 ATTACHING PARTS 201 0810 Screw PH...

Page 88: ...INTENANCE MANUAL C406 1 453 5002 C406 1HM 453 5003 25 62 10 Page 88 of 90 APR 06 10 591 0999 Label Hex Code 1 591 049 01 Label Country Code 1 06 452 0133 406 Lithium Battery Pack 1 ATTACHING PARTS 217...

Page 89: ...345 6196 04 Switch Cockpit Remote 1 ATTACHING PARTS 201 0408 Screw PHP 4 40 x 1 4 SS 4 247 0400 Washer Internal Lock SS 4 4 241 0440 Nut 4 40 x 1 4 Hex SS 4 591 0428 Label ELT Cautionary Use Advisory...

Page 90: ...90 of 90 APR 06 10 Figure 30 Antennas FIG ITEM PART 1234 NOMENCLATURE UPA 30 01 110 340 Antenna Tri Band CI319 1 Single Input 1 02 110 341 Antenna Tri Band Blade 16 21 Single Input 1 03 110 338 Antenn...

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