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Dukane DK100, Technical Manual

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03-TM-0037 REV 13

Page 1 of 24

DUKANE CORPORATION

SEACOM DIVISION

TECHNICAL MANUAL

UNDERWATER ACOUSTIC BEACON

MODELS DK100/DK120/DK130/DK140

April 13, 2004

REV 13

DUKANE CORPORATION ST. CHARLES, ILLINOIS 60174 PHONE: 630-762-4050 FAX: 630-762-4049

DOCUMENT NO. 03-TM-0037 © DUKANE CORPORATION

E-MAIL: [email protected]  INTERNET: www.dukcorp.com/seacom

Summary of Contents for DK100

Page 1: ...NICAL MANUAL UNDERWATER ACOUSTIC BEACON MODELS DK100 DK120 DK130 DK140 April 13 2004 REV 13 DUKANE CORPORATION ST CHARLES ILLINOIS 60174 PHONE 630 762 4050 FAX 630 762 4049 DOCUMENT NO 03 TM 0037 DUKANE CORPORATION E MAIL seacom dukcorp com INTERNET www dukcorp com seacom ...

Page 2: ...03 TM 0037 REV 13 Page 2 of 24 This manual should be read in its entirety prior to any installation operation testing or maintenance of the DK100 DK120 DK130 DK140 Underwater Acoustic Beacons ...

Page 3: ...TING KIT 10 2 8 INSTALLATION PROCEDURES FOR THE DK130 DK140 AND THE N30A29 SE RIES MOUNTING KIT 12 2 9 INSTALLATION PROCEDURES FOR THE DK130 DK140 AND THE N30A21A MOUNTING KIT 13 SECTION III 15 OPERATION 15 3 1 THEORY OF OPERATION 15 SECTION IV 16 TESTING 16 4 1 GENERAL 16 4 3 OPERATIONAL TESTING 16 SECTION V 17 MAINTENANCE DK100 DK130 17 5 1 GENERAL 17 5 2 BEACON CLEANING 17 5 3 BEACON TESTING 17...

Page 4: ...es Mounting Kit and Beacon 10 Figure 5 Mounting Hole Template for N30A21A Mounting Kit 10 Figure 6 N30A21A Mounting Kit and Beacon Overall Dimensions 11 Figure 7 Method of Installing the N30A21A Mounting Kit 11 Figure 8 Securing Beacon in N30A21A Mounting Kit 11 Figure 9 N30A29 Mounting Kit Installation Details 12 Figure 10 Installation of N30A29 Series Mounting Kit and Beacon 13 Figure 11 Mountin...

Page 5: ...n on page 6 and 7 the DK Series beacons operate for 30 days when immersed in water See Figure 2 Figure 2 Water Switch Location on Beacon 1 2 2 BEACON MOUNTING The beacon is mounted to a flight recorder or the airframe by means of a mounting kit See Section II This mount consists of an extruded channel which in conjunction with a securing plate retains the bea con Figure 1 shows the beacon mounted ...

Page 6: ...to 20 000 feet 6096 meters 10 milliseconds 10 Not less than 0 9 Pulse Sec 30 days minimum 6 Years 1060 dynes cm2 rms pressure at 1 meter 160 5dB 700 dynes cm2 rms pressure at 1 meter 157 0dB 28 F 2 2 C to 100 F 37 8 C Fresh or salt water Rated output over 80 percent of sphere 1 30 inches 3 30 cm diameter x 3 92 inches 9 95 cm long less mount 6 7 ounces 190 grams 6 ounces 170 grams 3 ounces 85 gram...

Page 7: ...o 20 000 feet 6096 meters 10 milliseconds 10 Not less than 0 9 Pulse Sec 30 days minimum 6 Years 1060 dynes cm2 rms pressure at 1 meter 160 5dB 700 dynes cm2 rms pressure at 1 meter 157 0dB 28 F 2 2 C to 100 F 37 8 C Fresh or salt water Rated output over 80 percent of sphere 1 30 inches 3 30 cm diameter x 2 97 inches 7 54 cm long less mount 4 9 ounces 139 grams 3 5 ounces 99 grams 3 ounces 85 gram...

Page 8: ... battery powered device and installed shelf life is affected by higher than normal temperatures Maximum temperature must not exceed 160 F 71 C 2 4 3 Inadvertent actuation of the water switch by any source of water such as rain salt spray melting ice or snow head or washroom over flow foods and beverages must be avoided 2 4 4 In order to avoid accumulation of moisture on the water switch the device...

Page 9: ...tails NOTE The mounting bracket can be used as a tem plate to mark for drilling the holes prior to the installation of beacon Always remove beacon from mount prior to marking or drill ing CAUTION WHEN MOUNTING TO THE AIR FRAME CHECK THE OPPOSITE SIDE OF THE FRAME OR BULKHEAD FOR DRILLING CLEARANCE WARNING USE PROTECTIVE EYE EQUIPMENT DURING DRILLING OPERATION B After the four 0 290 inch 0 737 cm d...

Page 10: ...switch forward is best If vertical mounting is employed mount switch down to reduce accumulation of grease dirt and water on the switch end of the beacon 2 7 2 MOUNTING PROCEDURE A Lay out four holes as shown in Figure 5 Position mounting kit carefully to avoid interfer ence with other structures Observe the clear ances required as shown in Figures 5 and 6 and in established tool and maintenance c...

Page 11: ...0A21A Mounting Kit Figure 8 Securing Beacon in N30A21A Mounting Kit 2 7 3 INSTALLING BEACON INTO N30A21A MOUNTING KIT A Test the beacon as outlined in Section IV to insure operation prior to installation B Torque the four nuts to 25 to 30 inch pounds Be sure that all four studs protrude approxi mately the same amount to insure that the strap seats properly around the beacon C Make sure that the be...

Page 12: ...emoval Figure 9 N30A29 Mounting Kit Installation Details CAUTION WHEN MOUNTING TO THE AIR FRAME CHECK THE OPPOSITE SIDE OF THE FRAME OR BULK HEAD FOR DRILLING CLEAR ANCE WARNING USE PROTECTIVE EYE EQUIP MENT DURING DRILLING OPERA TION B After the four 0 290 inch 0 737 cm diameter holes have been located drill the holes with an L twist drill C Secure the mounting cradle to the aircraft structure wi...

Page 13: ...horizontal mount ing with switch forward is best If vertical mount ing is employed mount switch down to reduce accumulation of grease dirt and water on the switch end of the beacon Figure 11 Mounting Hole Template for N30A21A Mounting Kit C Test the beacon as outlined in Section IV to insure operation prior to installation D Slip the retainer straps of the mounting kit over the ends of the beacon ...

Page 14: ... beacon case and water switch are free of grease film If in doubt wipe clean with mild detergent CAUTION ADDITIONAL UNAPPROVED STAMPS OR LABELS ON THE BEA CON CASE WILL REDUCE ACOUS TIC RADIATION D Perform the Operational Test outlined in Section IV E Insert the ends of the retainer straps through the 0 272 inch 0 691 cm holes in the mounting surface When horizontal mounting is used position beaco...

Page 15: ...s transmitted to the metal case of the beacon which in turn radiates acoustic energy into the surrounding water at 37 5 kHz 3 1 3 The pulses generated are approximately 10 milliseconds in duration and occur about once per second in water See Figure 15 The beacon Figure 15 Nominal Pulse Train will operate for a minimum of 30 days after being immersed in the water The beacon will withstand depths to...

Page 16: ...ations The beacon is oper able at the given minimum acceptable voltage For DK Series beacons if the battery voltage is below the minimum acceptable voltage remove the beacon from service and contact Dukane Corporation for instructions Figure 16 Typical Beacon Label Figure 17 Beacon Voltage Code 4 3 OPERATIONAL TESTING The 42A12 Series Ultrasonic Test Set PL 1 PL 3 Operational Tester TS100 or TS200...

Page 17: ...2 See Sections 4 2 and 4 3 for testing procedures 5 4 PRECAUTIONS 5 4 1 The DK100 DK130 Beacons must not be exposed to heat in excess of 160 F 71 C 5 4 2 The beacon must not be disassembled in any way Any disassembly of the beacon will void the warranty 5 4 3 Any situation that could possibly crush or penetrate the case of the beacon should be avoided 5 5 BATTERY WARNING REMOVAL OF BATTERY FROM BE...

Page 18: ...detergent then dry thoroughly with a clean cloth Clean the switch end insulator to prevent leakage currents from occurring across the switch This will affect battery life The water switch should be cleaned when dirt or dust becomes apparent 6 3 BEACON TESTING 6 3 1 Make sure that the beacon case is clean and dry prior to testing 6 3 2 See Sections 4 2 and 4 3 for testing procedures 6 4 PRECAUTIONS...

Page 19: ...g O ring groove F Remove the old battery NOTE Insure that the battery pad remains in beacon G Clean the threads O ring groove in the body and the threads on the cover by wiping them thoroughly with solvent CAUTION FOREIGN SUBSTANCES IN LUBRI CANT ON SEALING SURFACES MAY DAMAGE THREADS AND OR AL LOW WATER LEAKAGE THROUGH THE O RING SEAL SCRATCHES OR GOUGES ON SEALING SURFACES WILL ALSO CAUSE WATER ...

Page 20: ...T TERY FIRE EXPLOSION AND BURNS J Perform OFF CURRENT TEST as outlined in Section 6 7 K Position rubber shock cushion around contact spring and on the inside of the battery cover L Replace the cover and tighten it until the cover flange contacts the body or leaves less than a 0 003 inch gap Use hand force only on the wrench Hold the beacon in a vise clamp as shown in Figure 18 Clean the beacon ext...

Page 21: ...or equivalent Make sure it is stored in a cool dry environment The beacon should be stored without battery 6 10 BEACON OVERHAUL The acoustic characteristics of the beacon shall be checked after 18 years of service to insure that the beacon it is still in compliance with FAA regulations 6 7 BEACON OFF CURRENT TEST Connect test leads as shown in Figure 22 and check for current leakage between batter...

Page 22: ...epaid any inoperative units back to Dukane Corporation 3 installing any replacement units This warranty does not cover i defects caused by the customer s failure to use test or maintain any unit in accordance with Dukane Corporation s Technical Manual ii product failures caused by abuse misuse or neglect or iii any product where the customer has attempted any repair or service of the internal comp...

Page 23: ...GE OVERHAUL FOR THE DK100 DK130 8 4 1 At or near the expiration date listed on the case the beacon can be returned to Dukane Corporation for battery change and overhaul to appropriate standards See Section 9 2 8 4 2 The Overhaul Program consists of 1 a comprehensive series of operational tests to verify the performance of the beacon to its published specifications 2 a replacement battery and 3 an ...

Page 24: ...ship this product as Class 9 Hazard ous Material Contact your State Authority for shipping regulations 9 1 4 SHIPPING INSTRUCTIONS When the beacon is returned under warranty ship to Dukane Corporation Seacom Division 2900 Dukane Drive St Charles IL 60174 Attn Seacom Service Department Code 4056 Return Authorization Number 9 2 BATTERY CHANGE OVERHAUL 9 2 1 PACKAGING Insure that proper protec tion f...

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