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ARTEX PRODUCTS / ACR ELECTRONICS, INC

DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL

ME406 (453-6603), ME406HM (453-6604)

Page 23 of 72

Mar 19/15

25-62-30

TASK 25-62-30-870-803

Specifications

SUBTASK 25-62-30-870-001

Environmental and Physical

Table 2 lists the environmental and physical specifications of the ME406 Series ELT.

NOTE:

For automatic activation, the higher threshold of 4.5 ft/sec (2.3

) is specified in accordance

with Eurocae ED-62. Use of the higher threshold crash sensor has been approved by the

FAA as a deviation to TSO C126 (FAA Reference #98-130S-108, February 6, 1998).

CRITERIA

PARAMETER

CHARACTERISTIC

Temperature

Storage

-55° C to +85° C

Operating

-20° C to +55° C

Mechanical

Vibration

, 5 Hz to 2,000 Hz

Shock

500

for 4 ms

Crashworthiness

100

for 23 ms

Humidity

95% for 50 hours

Penetration

55 lbs from 6 in. (25 kg from 15 cm)

Crush

1,000 lbs (454 kg)

Altitude

55,000 ft (16,764 m)

Automatic Activation

ME406 Series

(Primary G-Switch)

4.5 ±0.5 ft/sec (2.3

)

ME406HM

(Auxiliary Five G-Switches)

Weight

ELT Complete w/Battery Pack, and

Mounting Tray

1.95 lbs (0.8 kg)

Dimensions (L x W x H)

ELT Complete w/Battery Pack, and

Mounting Tray

6.60 x 3.69 x 2.86 in.

(168 x 94 x 73 mm)

Software

In accordance with RTCA/DO-178B, Level D

Table 2 Environmental and Physical Specifications

Summary of Contents for ME406

Page 1: ...t Lauderdale FL 33312 Cage Code 18560 25 62 30 ME406 Series Emergency Locator Transmitter Description Operation Installation and Maintenance Manual This manual includes data for the equipment that follows Component Part No Model No Emergency Locator Transmitter 453 6603 ME406 Emergency Locator Transmitter 453 6604 ME406HM ...

Page 2: ...ation or data contained herein ACR Electronics is not liable in the event of incidentals special consequential or any other damages in connection with or arising from furnishing performance or use of this manual Reproduction of this publication or any portion thereof by any means is prohibited For further information contact Sales ACR Electronics 5757 Ravenswood Rd Fort Lauderdale FL 33312 Telepho...

Page 3: ...n 30 2005 A DCN 2670 Nov 17 2005 B DCN 2777 May 01 2006 C DCN 2847 Aug 21 2006 D DCN 3007 May 21 2007 E DCN 3076 Sep 27 2007 F DCN 3182 Mar 03 2008 G DCN 3227 May 19 2008 G DCN 3413 Mar 30 2009 H DCN 3571 Jan 12 2010 J DCA W9414 Apr 06 2010 K ECO 14756 Jul 26 2011 L ECO 14850 Mar 09 2012 M ECO 15380 May 3 2013 N ECO 15420 Jun 25 2013 P ECO 15452 Aug 20 2013 R ECO 15493 Oct 03 2013 U ECO 15830 Dec ...

Page 4: ...TRONICS INC DESCRIPTION OPERATION INSTALLATION AND MAINTENANCE MANUAL ME406 453 6603 ME406HM 453 6604 Page 4 of 72 Mar 19 15 25 62 30 SERVICE BULLETIN LIST SERVICE BULLETIN NO ISSUE DATE SUBJECT MANUAL REV NO MANUAL REV DATE ...

Page 5: ... Introduction 10 Aug 20 13 47 Oct 03 13 11 Aug 20 13 48 Oct 03 13 12 Aug 20 13 49 Oct 03 13 13 Aug 20 13 50 Oct 03 13 14 Aug 20 13 51 Oct 03 13 15 Aug 20 13 52 Oct 03 13 16 Aug 20 13 53 Oct 03 13 17 Aug 20 13 54 Oct 03 13 Description and Operation 18 Aug 20 13 55 Oct 03 13 19 Aug 20 13 56 Oct 03 13 20 Aug 20 13 57 Oct 03 13 21 Aug 20 13 58 Oct 03 13 22 Aug 20 13 59 Mar 19 15 23 Aug 20 13 60 Oct 03...

Page 6: ...E406HM 12 B Battery 12 C RTCA DO 160D Compliance 12 4 Frequency Allocations 14 A Application 14 B Discussion 14 5 List of Acronyms Abbreviations and Definitions 15 6 References 17 A Regulatory Documents 17 B Other Documents 17 DESCRIPTION AND OPERATION 18 1 Description 18 A Functional Overview 18 B Components 19 2 Operation 21 A Operational Overview 21 B Normal Operation 22 C Manual Activation 22 ...

Page 7: ...utput Measurement Item 5e 31 M Current Draw Test Item 5f 31 N Digital Message Verification Item 5g 33 O ELT Reset Check Item 5h 34 P Installed Transmitter Test Item 6 34 Q Antenna Test Item 7 35 R Inspection and Test Documentation Item 8 35 3 Fault Isolation 35 A Self Test Error Troubleshooting Guidelines 35 B ELT Troubleshooting Guidelines 38 REMOVAL 39 1 ELT 39 A ELT Removal 39 2 Battery 40 A Ba...

Page 8: ...59 A Installation and Test 59 B Harness ELT D Sub Plug Sealing 61 C Installation Documentation 61 8 Battery Pack Installation 61 A Battery Reinstallation 61 B New Battery Installation 63 9 Helicopter Installations Special Considerations 63 A Background 63 B Recommendations 63 C Orientation 64 APPENDIX A ELT REGISTRATION 65 1 Background Information 65 A Hex ID Code 65 B Reason for Registration 65 C...

Page 9: ...moval 40 Figure 13 ME406 Series ELT Outline and Dimensions 45 Figure 14 ME406 Metal Strap Minimum Clearance Dimensions 46 Figure 15 Typical Mounting Tray Installation 47 Figure 16 Rod Antenna 110 338 and Whip Antenna 110 773 Outlines and Dimensions 49 Figure 17 Remote Switch Outline and Dimensions 50 Figure 18 Buzzer Outline and Dimensions 51 Figure 19 Metal Airframe Wiring Diagrams 53 Figure 20 C...

Page 10: ...TASK 25 62 30 990 002 B Application 1 This manual constitutes supporting data documentation for the ME406 Series ELT including a Description and Operation b Test and Fault Isolation includes inspection criteria c Removal d Installation e Registration f Illustrated Parts List 2 In the United States the ME406 Series ELT must be installed and maintained in accordance with the requirements herein and ...

Page 11: ...lastic casing and mounts on a tray made of similar material 3 When ordered as a system an installation kit cockpit remote switch coax cables audible buzzer and fixed antenna are provided SUBTASK 25 62 30 990 002 B ME406HM 1 The ME406HM ELT is designed for helicopter installations and features a 5 axis G Switch module in addition to the primary G switch which is oriented to line of flight This desi...

Page 12: ...Certification Number 1215B ME406AF 4 ETSO 2C126 EASA IM 21O 416 ME406 and EASA IM 21O 608 ME406HM 5 COSPAS SARSAT Certificate No 152 188 197 and 242 SUBTASK 25 62 30 990 002 B Battery CAUTION Lithium battery safety concerns include the possibility of fire venting violently and venting of toxic gases 1 The lithium battery pack used on the ME406 Series ELT is certified under TSO C126 a The condition...

Page 13: ...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 F 13 0 Fungus X 14 0 Salt Spray X 15 0 Magnetic Effect Z 16 0 Power Input A 17 0 Voltage Spike Z 18 0 Audio Frequency Susceptibility A 19 0 Induced Signal Susceptibility 204 20 0 Radio Frequency Susceptibility H 21 0 Emission of RF Energy XXXX 22 0 Lightning ...

Page 14: ...iginally 406 028 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 ME406 Series ELTs covered by this manual transmit on 406 028 MHz current ME406 Series ELTs may not The product identification label on each ELT specifies the transmitting frequencies of the individual...

Page 15: ...e description go to the official web site for the International COSPAS SARSAT Program D Sub Connector D shaped subminiature connectors common type of connector for small signals and electrical currents DER Designated Engineering Representative An individual qualified and designated by the FAA to approve or recommend approval of technical data to the FAA Drip Loop Extra wire length used to form a U...

Page 16: ...and detect radio waves RTCA Radio Technical Commission for Aeronautics Organization that makes recommendations for airworthiness Refer to www rtca org aboutrtca asp for more information RTV A rubbery silicon based adhesive typically used to prevent vibration problems and water intrusion SAR Search and Rescue Screen Room The term Screen Room within the context of this document refers to a room desi...

Page 17: ...C 43 13 2 Acceptable Methods Techniques and Practices Aircraft Alterations f FAR Part 43 Maintenance Preventive Maintenance Rebuilding and Alteration g FAR Part 91 General Operating and Flight Rules 4 Canada a CAR Part V Airworthiness b CAR Part VI General Operating and Flight Rules 5 COSPAS SARSAT a C S G 005 Cospas Sarsat Guidelines on 406 MHz Beacon Coding Registration and Type Approval b C S S...

Page 18: ...l continue to operate until the batteries are exhausted which is at least 50 hours 4 The 406 MHz transmitter produces a much more accurate position typically 3 kilometers as compared with 15 to 20 kilometers for 121 5 MHz transmitters When coupled to the aircraft navigation system via a navigation interface the accuracy improves to approximately 100 meters 5 The ELT transmits a digital message tha...

Page 19: ...ng frame assembly are capable of withstanding extremely harsh environments and have been subjected to the rigorous environmental testing required by COSPAS SARSAT for certification Figure 2 ME406 Series ELT and Mounting Tray Assembly 2 The cockpit mounted remote switch assembly is comprised of an ELT status LED and control switch and allows an operator to manually turn the ELT on i e activate for ...

Page 20: ...es ELT consists of two D size lithium manganese dioxide cells connected in series To prevent the cells from being charged diodes and fuses are connected to the inline power from each cell The fuses also protect from high output See Figure 5 Battery Pack Assembly Figure 5 Battery Pack Assembly 5 Two antennas are approved for use with the ME406 Series ELT Selection of the proper antenna is dependent...

Page 21: ...d the presence of the emergency sweep tone and the flashing cockpit remote switch panel LED indicates an active normal functioning ELT The cockpit panel LED must immediately begin to flash continuously upon ELT activation 5 The ELT is considered to be either ACTIVE or INACTIVE When INACTIVE the ELT is in a state of rest and performs no functions Taking the ELT from the INACTIVE state to the ACTIVE...

Page 22: ...70 004 D ELT Reset 1 If the ELT is activated accidently it will need to be reset 2 Reset the ELT from the cockpit by moving the remote switch to the ON position waiting approximately one second and then moving it back to the ARM position If the switch is already in the ON position move it to the ARM position 3 Reset the ELT locally by moving the switch on the ELT to the ON position waiting approxi...

Page 23: ...TSO C126 FAA Reference 98 130S 108 February 6 1998 CRITERIA PARAMETER CHARACTERISTIC Temperature Storage 55 C to 85 C Operating 20 C to 55 C Mechanical Vibration 10 g 5 Hz to 2 000 Hz Shock 500 g for 4 ms Crashworthiness 100 g for 23 ms Humidity 95 for 50 hours Penetration 55 lbs from 6 in 25 kg from 15 cm Crush 1 000 lbs 454 kg Altitude 55 000 ft 16 764 m Automatic Activation ME406 Series Primary...

Page 24: ... L G1D 121 5 MHz Amplitude Modulation A3X Transmitter Duty Cycle 406 MHz 440 ms 1 or 520 ms 1 every 50 seconds 5 121 5 MHz Continuous Peak Effective Radiated Power PERP 406 MHz 3 2 W to 7 2 W 37 dBm 2 dBm PERP or EIRP for 24 hrs 20 C to 55 C 121 5 MHz Min 50 mW 17 dBm PERP for 50 hrs 20 C to 55 C or 100 mW EIRP 20 dBm for 48 hrs 20 C to 55 C Occupied Bandwidth 406 MHz 20 KHz max 121 5 MHz 25 KHz m...

Page 25: ...E406 Series ELT PARAMETERS CHARACTERISTIC 110 338 110 773 Style Rod Whip Frequencies 121 5 406 MHz VSWR 121 5 MHz 2 0 1 Max 406 MHz 1 5 1 Max Polarization Vertical Monopole Radiation Pattern Omnidirectional Impedance ohms 50 Nominal Weight 0 45 lbs 0 20 kg 0 18 lbs 0 54 kg Drag 2 90 lbs 1 3 kg 350 KTS 25 000 ft 0 66 lbs 0 3 kg 600 KTS 30 000 ft Coax Cable RG 142 Connectors BNC Female Dimensions Ba...

Page 26: ... Bonding and shielding for improper installation and poor condition and d Antenna including trailing antenna for poor condition insecure mounting and improper operation SUBTASK 25 62 30 990 002 B Canada 1 CAR Part VI Standard 625 Appendix C requires the ELT to be inspected at intervals not exceeding 12 months 2 All maintenance and testing shall be performed in accordance with the requirements of C...

Page 27: ...other inspection and test requirements listed in Table 5 ITEM NO DESCRIPTION BY 1 Coax Cable and Wiring Connections Inspection 2 ELT Mounting Tray and Hardware Inspection 3 ELT Battery Pack Inspection 4 G Switch Functional Check 5a 121 5 MHz Frequency Measurement 5b Audio Modulation Check 5c 121 5 MHz Power Output Measurement 5d 406 MHz Frequency Measurement 5e 406 MHz Power Output Measurement 5f ...

Page 28: ... is no longer an acceptable means of attachment for new installations in complying with the Crash Safety requirements of section 2 2 5 of RTCA DO 204A for automatic fixed AF and automatic portable AP ELTs SUBTASK 25 62 30 220 003 E Battery Pack Inspection Item 3 CAUTION THE BATTERY PACK CONTAINS ELECTROSTATIC DISCHARGE SENSITIVE ESD COMPONENTS AND AS SUCH IT MUST BE HANDLED WITH CARE IF POSSIBLE W...

Page 29: ...tening for the aural sweep tone on the receiver 9 Reset the ELT by toggling the control switch to the ON position and then back to the ARM position SUBTASK 25 62 30 750 002 G Performance Testing Setup NOTE The ELT software routine logs battery life in 30 second increments A minimum of 30 seconds is added to the battery usage total each time the ELT is activated and de activated If the ELT is left ...

Page 30: ...e minute waiting period The frequency must be within the tolerance specified in Table 3 on page 24 SUBTASK 25 62 30 750 004 I Audio Modulation Check Item 5b 1 Perform this check in conjunction with SUBTASK 25 62 30 750 003 2 Monitor 121 5 MHz on an AM receiver 3 Listen for the aural sweep tone on the receiver The audio should sound like an ELT SUBTASK 25 62 30 750 005 J 121 5 MHz Power Output Meas...

Page 31: ...tion 3 Wait three minutes 4 Read the displayed amplitude of the 406 MHz burst that follows the three minute wait period The amplitude must be within the minimum specified for 406 MHz in Table 3 on page 24 at the output terminal 5 Deactivate the ELT by placing the control switch in the ARM position SUBTASK 25 62 30 750 008 M Current Draw Test Item 5f CAUTION EXERCISE EXTREME CAUTION TO AVOID CAUSIN...

Page 32: ...rol switch in the ON position 8 Allow the ELT to transmit a 406 MHz burst which occurs about 50 seconds after activation a Read the 406 burst current draw The 406MHz burst will draw approximately 3A to 4A Burst current should not exceed 5A 9 Adjust the ammeter to a scale appropriate for reading less than 200 mA 10 Read the steady state current draw on the ammeter which must be 95 mA 11 Disconnect ...

Page 33: ...he latest generation of 406MHz ELTs 2 Activate the ELT by placing the control switch in the ON position 3 Allow the ELT to transmit for approximately 5 seconds 4 Deactivate the ELT and read the test message broadcast at turn off A sample message is shown in Figure 10 406 MHz Message Example on page 33 a The test message broadcast by the ELT at turn off contains all the information in an actual dis...

Page 34: ...NSMISSION TO BE A VALID DISTRESS SIGNAL 1 Reinstall the ELT in accordance with SUBTASK 25 62 30 410 001 on page 59 2 If required by local aviation regulations perform the following functional check within the first 5 minutes after the hour UTC 3 Notify any nearby control tower of your intentions 4 Tune a receiver usually the aircraft transceiver to 121 5 MHz NOTE An AM radio may be used to receive...

Page 35: ...is designed to test the integrity and radiated power of the ELT coax cable and antenna If no LED error codes are displayed after deactivation of the ELT it is in compliance with FAR Section 91 207 subsection d paragraph 4 SUBTASK 25 62 30 750 013 R Inspection and Test Documentation Item 8 1 Make an appropriate entry in the aircraft maintenance records i e logbook including the date the ELT inspect...

Page 36: ...cable length by 4 to 6 inches Insufficient ground plane Provide ground plane at least 12 inches in diameter Upright metal structure obstructing antenna causing re radiation Stay at least 10 12 inches away from upright metal structures Low power output Battery low 3A fuse on battery pack circuit board faulty ELT local ground not connected Verify continuity between antenna ground plane and ELT local...

Page 37: ...or code 5 flash code does not indicate a hard failure and does not affect airworthiness of unit 6 Flash Indicates G Switch loop between pins 5 and 12 is not present Jumper open Verify D Sub connector jumper is installed by checking for less than 1Ω between pins 5 and 12 Repair as necessary Jumper missing Install D Sub jumper between pins 5 and 12 in D Sub connector 7 Flash Indicates a battery prob...

Page 38: ... and reinstall remote switch Remote Switch Faulty Replace Remote Switch ELT Faulty Disconnect remote switch from harness Check continuity between pin 2 and pin 9 on remote switch harness connector with ELT connected to harness If short to ground is present with ELT deactivated return ELT to an Artex authorized repair facility ELT will not turn off Battery too low to support 406 burst and causes ci...

Page 39: ...1 1 ELT SUBTASK 25 62 30 010 001 A ELT Removal 1 See Figure 11 ELT Removal Sequence Figure 11 ELT Removal Sequence 2 Disconnect the antenna coax cable NOTE Check the coax cable center conductor pin which is prone to retracting into the connector housing 3 Remove remote switch harness D sub plug 4 Open the Velcro or metal strap 5 Slide the ELT up and out and away from the mounting tray ...

Page 40: ...R PINS ON THE BOARD CAUTION THE BATTERY PACK IS CONNECTED TO THE ELT VIA A SHORT INTERCONNECT FLEX CABLE WHICH LIMITS THE DISTANCE THE TWO COMPONENTS CAN BE SEPARATED UNTIL THE FLEX CABLE IS DISCONNECTED 1 See Figure 12 Battery Pack Removal Figure 12 Battery Pack Removal 2 Turn the ELT upside down such that the battery pack is bottom side up battery cover is identified with embossed text BATTERY A...

Page 41: ...eceipt of such notice ACR Electronics Inc will issue a Return Material Authorization RMA number which then authorizes return of the material or equipment Contact ACR Electronics to obtain the RMA number at the address below Repair and Overhaul ACR Electronics Inc 5757 Ravenswood Road Fort Lauderdale FL 33312 USA Phone 954 981 3333 Fax 954 983 5087 a Failure to obtain a RMA number and provide the d...

Page 42: ...f ELT to another aircraft outside of the owner s control or another change in registration information NOAA will provide registrants with proof of registration and change of registration postcards SUBTASK 25 62 30 990 002 B TSO C126 Paragraph D 1 TSO approval of the ELT does not constitute installation approval All ELT installations are subject to field approval for a given airframe by either an a...

Page 43: ...of the aircraft not less than 1 foot 0 3 meters nor more than 3 feet 1 0 meters from the mounting location 2 DO 182 6 2 2 b recommends that a To maximize the probability of the ELT transmitting a detectable signal after a crash all ELT system components which must survive a crash intact e g transmitter and external antenna should be attached to the airframe in such a manner that the attachment sys...

Page 44: ...TO THE AIRCRAFT SKIN INDUCES CRASH HIDING VIBRATIONS AND PROVIDES 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 PROMOTE CRACKING AND FRACTURING OF THE ELT MOUNTING FRAME AND HOUSING COMPONENTS BY DEGRADING THE STRUCTURAL INTEGRITY OF THESE COMPONENT...

Page 45: ... 45 of 72 Mar 19 15 25 62 30 1 Select a suitable location for the ELT mounting tray See Figure 13 ME406 Series ELT Outline and Dimensions on page 45 and Figure 14 ME406 Metal Strap Minimum Clearance Dimensions on page 46 Refer to these dimensions when determining mounting location Figure 13 ME406 Series ELT Outline and Dimensions ...

Page 46: ...nce Dimensions 2 Mount the ELT as far aft as practical but where it can be easily retrieved for maintenance NOTE Statistics show that the tail section of an airplane is likely to be less damaged during a crash therefore providing a good mounting environment for the ELT 3 Additional installation guidance may be found in AC 43 13 2 Chapter 2 Paragraph 28 which specifically addresses ELT installation...

Page 47: ...nd pointing in the direction of flight NOTE Refer to TASK 25 62 30 410 803 on page 63 for guidelines on ELT orientation in a helicopter 4 Mark the four holes needed for mounting the tray using the tray as a pattern The hole pattern is also illustrated in Figure 13 ME406 Series ELT Outline and Dimensions on page 45 5 Drill the four mounting holes with a 19 or 4 25 mm drill 6 Install the mounting tr...

Page 48: ...nches 914 mm clearance between antennas b Additional location guidance may be found in AC 43 13 2 Chapter 3 which deals specifically with antenna installations SUBTASK 25 62 30 450 002 C Installation NOTE Per FAA TSO C126a Those installing this article on or in a specific type or class of aircraft must determine that the aircraft installation conditions are within the TSO standards TSO articles mu...

Page 49: ...ose where antennas are installed on composite fabric or wood airframes a ground plane is required 3 Drill the antenna mounting holes and coax connector hole referring to the appropriate antenna illustration for hole patterns and hole sizes a See Figure 16 Rod Antenna 110 338 and Whip Antenna 110 773 Outlines and Dimensions on page 49 4 Mount the antenna referring to the appropriate antenna illustr...

Page 50: ... and behind the panel See Figure 16 Remote Switch Outline and Dimensions Figure 17 Remote Switch Outline and Dimensions SUBTASK 25 62 30 450 002 B Installation 1 Mark the cutout on the cockpit panel See Figure 17 Remote Switch Outline and Dimensions 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 Ins...

Page 51: ...ft when the engine s is 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 30 450 002 B Installation 1 Fabricate a bracket suitable for supporting the buzzer See Figure 18 Buzzer Outline and Dimensions NOTE Refer to the aircraft manufacturer s written instructions or AC 43 13 2 as applicable for approved bracke...

Page 52: ...CONNECTIONS ARE COMPLETED 1 The following wiring and grounding considerations and recommendations are applicable a Minimum 22 AWG wire size b Shielding is recommended to help prevent EMI and RF interference c Use high quality conductor meeting MIL W 16878 M22759 M27500 or a commercial equivalent acceptable for use in aircraft applications d Provide a Drip Loop in the remote switch harness connecti...

Page 53: ...ARTEX PRODUCTS ACR ELECTRONICS INC DESCRIPTION OPERATION INSTALLATION AND MAINTENANCE MANUAL ME406 453 6603 ME406HM 453 6604 Page 53 of 72 Mar 19 15 25 62 30 Figure 19 Metal Airframe Wiring Diagrams ...

Page 54: ...ARTEX PRODUCTS ACR ELECTRONICS INC DESCRIPTION OPERATION INSTALLATION AND MAINTENANCE MANUAL ME406 453 6603 ME406HM 453 6604 Page 54 of 72 Mar 19 15 25 62 30 Figure 20 Composite Airframe Wiring Diagrams ...

Page 55: ...ions 3 Fabricate ground wires as required based on the wiring diagram appropriate for the installation 4 Fabricate a power wire long enough to reach from the remote switch plug Pin 1 or Pin 3 to the selected aircraft power source 5 Prepare the wires fabricated in Steps 3 and 4 as described in Steps 2 a and 2 b 6 Fabricate two wires one of sufficient length to reach from the ELT D Sub connector plu...

Page 56: ...003 on page 57 1 Select a rubber grommet supplied as part of the D Sub housing kit 150 1127 that fits snugly around the harness wiring 2 Feed the wiring harness ground wire and buzzer power wire through the rubber grommet such that the raised collar end of the grommet fits inside the housing See Figure 22 D Sub Plug Assembly on page 57 NOTE For composite airframe installations the buzzer ground wi...

Page 57: ...ssembly SUBTASK 25 62 30 450 003 D Cockpit Remote Switch 9 Pin Plug Installation NOTE If moisture intrusion is a possibility apply a thin bead of RTV over rear of the MOLEX connector to prevent corrosion buildup Use Dow Corning RTV 3145 or equivalent 1 Insert the wiring pins in the Molex 9 pin cockpit remote switch plug 151 5009 referring to the wiring diagram appropriate for the installation as f...

Page 58: ...e to the aircraft manufacturer or as described in AC 43 13 1 13 NOTE The power source provides energy for the remote switch assembly LED but has no effect on switch functions as the switch will control the ELT with or without power NOTE Power should be connected directly to the battery using a 1 2 A in line slo blo fuse or circuit breaker or an alternate un switched source such as the aircraft clo...

Page 59: ...ASK 25 62 30 410 801 7 ELT Installation SUBTASK 25 62 30 410 001 A Installation and Test CAUTION TAKE CARE TO KEEP THE REMOTE SWITCH PLUG STRAIGHT WHEN CONNECTING IT TO THE ELT IF THE PLUG IS COCKED I E CROOKED WHEN INSERTING IT INTO THE ELT RECEPTACLE THE ELT MAY ACTIVATE IF THE ELT ACTIVATES RESET IT BY CYCLING THE LOCAL CONTROL SWITCH TO ON AND THEN BACK TO ARM 1 See Figure 23 ELT Installation ...

Page 60: ...ounting tray assembly Artex P N 452 3034 1 if any parts are damaged or worn c Repeat steps a and b each time the ELT is removed and re installed in the mounting tray 6 Connect the remote switch harness plug to the ELT as follows a Press two sealant strips 850 0814 against the male pins of the ELT receptacle with the tacky side against the pins while peeling the foam backing off each sealant strip ...

Page 61: ...g such that the insulating compound surrounds the D Sub pin area and covers the back of the plug d Reinstall the housing halves e Inject Dow Corning 4 Electrical Insulating Compound or an equivalent meeting MIL S 8660C around the male pins of the ELT receptacle f Connect the remote switch harness plug to the ELT SUBTASK 25 62 30 410 002 C Installation Documentation 1 Make appropriate logbook i e a...

Page 62: ...TE This step may be necessary because the ELT will occasionally activate when power is connected to it in Step 6 8 Fit the battery pack into place on the ELT making sure the gasket is positioned correctly 9 Turn the battery pack bottom face up to facilitate installing the screws while securely holding the ELT and battery pack together 10 Install the eight battery pack retaining screws and tighten ...

Page 63: ... tray NOTE The label is supplied with the new battery pack 6 Enter the pertinent battery replacement information in the logbook i e aircraft records and fill out any other required documentation TASK 25 62 30 410 803 9 Helicopter Installations Special Considerations SUBTASK 25 62 30 990 001 A Background 1 There are few guidelines aside from experience regarding the best way to mount an ELT in heli...

Page 64: ...5 62 30 410 001 C Orientation 1 Mount the ME406HM ELT parallel to the waterline of the fuselage along the longitudinal axis with the direction of flight arrow on the ELT pointing forward NOTE This is the orientation of the primary G switch in the ELT 2 The ELT may be oriented on any of its horizontal axes in 90 increments NOTE Ensure that the front of the ELT is aligned with the nose of the aircra...

Page 65: ...acilitates inquiries as to the whereabouts of the aircraft existence of a flight plan etc a Owner s name b Address c Telephone number d Aircraft type and registration number SUBTASK 25 62 30 990 003 C Registration Information Resources 1 Refer to COSPAS SARSAT documents G 005 and S 007 for information regarding ELT programming and registration These documents are available at www cospas sarsat org...

Page 66: ... the registration agency 2 Specific registration web sites and information may be found at a The Artex products web site at www acrartex com which has links to on line registration sites and also a link to registration forms and instructions for a number of countries b An ELT may also be registered in the United States by going directly to the NOAA ELT registration web site at www beaconregistrati...

Page 67: ...n b Note the item number assigned to the part c Refer to the associated parts list and find the item number in the Fig Item column 2 If the part number is known a Refer to the parts list and find the part in the Part column b Note the figure number and item number assigned to the part c Refer to the illustration in the applicable IPL figure to find attaching hardware and related assembly parts 3 I...

Page 68: ...en necessary to identify added parts alternate parts and service bulletin modified parts SUBTASK 25 62 30 990 002 B Part Column 1 This column contains the manufacturer s part number for each part SUBTASK 25 62 30 990 003 C Nomenclature Column 1 This column contains descriptive nomenclature for each part service bulletin numbers affecting the part and obsolete part numbers 2 The indenture system us...

Page 69: ...is alternate to and interchangeable with other parts within the same item number variant group or other item numbers if designated Superceded By SUPSD BY The part is replaced by and is not interchangeable with the item number designated in the notation Supersedes SUPSDS The part replaces and is not interchangeable with the item number designated in the notation Replaced By REPLD BY The part is rep...

Page 70: ...NCLATURE UPA 27 01 453 6603 ME406 Main Assembly 1 02 453 6604 ME406HM Main Assembly 1 03 452 6499 ME406 Lithium Battery Pack 1 04 183 0050 Gasket 0 093 x 0 055 1 ATTACHING PARTS 05 201 0402 Screw 6 32x7 8 PHIL TRUSS S S 8 06 452 3034 Mounting Tray Assembly 1 07 452 3034 1 Mounting Tray Assembly 1 ATTACHING PARTS 201 0810 Screw PHIL 8 32 x 5 8 SS 4 246 0008 Washer Flat 1 2 SS 8 4 241 0832 Nut Hex 8...

Page 71: ...ch Cockpit Remote 1 ATTACHING PARTS 201 0408 Screw PHIL 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 1 02 151 5009 Plug 9 Pin 1 151 6628 Terminal Crimp Female 0 062 Dia 9 03 150 1130 Connector D Sub 15 Pin Female Solder Contacts 1 04 150 1127 Housing D Sub 15 Pin Grommet Thumbscrews 1 850 0814 Sealant Strip D Sub C...

Page 72: ... MAINTENANCE MANUAL ME406 453 6603 ME406HM 453 6604 Page 72 of 72 Mar 19 15 25 62 30 Figure 29 Antennas FIG ITEM PART 1234 NOMENCLATURE UPA 29 01 110 338 Antenna Tri Band CI317 1 Single Input 1 02 110 773 Antenna 121 5 406 MHz Whip 1 611 6013 04 Cable Coax BNC to BNC 6 ft 1 ...

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