Dukane DK120 user manual

User manual for the device Dukane DK120

Device: Dukane DK120
Category: Radar Detector
Manufacturer: Dukane
Size: 0.55 MB
Added : 4/20/2013
Number of pages: 25
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Summary of the content on the page No. 1

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: seacom@dukcorp.com INTERNET: www.dukcorp.com/seacom
Page 1 of 24
03-TM-0037 REV 13

Summary of the content on the page No. 2

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 2 of 24 03-TM-0037 REV 13

Summary of the content on the page No. 3

TABLE OF CONTENTS SECTION I................................................................................................................... 5 GENERAL INFORMATION..................................................................................... 5 1.1. INTRODUCTION. .......................................................................................................... 5 1.2. GENERAL DESCRIPTION. .......................................................................................... 5 S

Summary of the content on the page No. 4

6.6. BATTERY REPLACEMENT AND TESTING.............................................................. 18 6.7. BEACON OFF-CURRENT TEST. ............................................................................... 21 6.8. BATTERY DISPOSAL. ............................................................................................... 21 6.9. BEACON STORAGE. ................................................................................................. 21 6.10. BEACON OVERHAUL....................

Summary of the content on the page No. 5

SECTION I GENERAL INFORMATION 1.1. INTRODUCTION. shock and deep-water immersion. As shown on page 6 and 7, the DK Series beacons operate for 1.1.1. GENERAL. This manual contains the de- 30 days when immersed in water. See Figure 2. scription, theory, installation and maintenance for the DK100/DK120/DK130/DK140 Underwater Acoustic Beacon, hereafter referred to as the “DK Series”, manufactured by Dukane Corporation, Seacom Division, 2900 Dukane Drive, St. Charles, Illinois, 60174. See Figures 1 an

Summary of the content on the page No. 6

DK100/DK120 BEACON SPECIFICATIONS 37.5 kHz ± 1 kHz Operating Freuency............................................... Surface to 20,000 feet (6096 meters) Operating Depth.................................................... 10 milliseconds + 10% Pulse Length......................................................... Not less than 0.9 Pulse/Sec Pulse Repetition Rate............................................ 30 days (minimum) Operating Life....................................................... 6 Y

Summary of the content on the page No. 7

DK130/DK140 BEACON SPECIFICATIONS Operating Freuency............................................... 37.5 kHz ± 1 kHz Operating Depth.................................................... Surface to 20,000 feet (6096 meters) Pulse Length......................................................... 10 milliseconds + 10% Pulse Repetition Rate............................................ Not less than 0.9 Pulse/Sec Operating Life....................................................... 30 days (minimum) Ba

Summary of the content on the page No. 8

SECTION II INSTALLATION 2.4.2. The beacon is a battery-powered device 2.1. GENERAL. and installed shelf life is affected by higher than normal temperatures. Maximum temperature This section describes the installation of the must not exceed 160°F (71°C). beacon mounting kits and the installation of the DK Series beacons into these mounts. 2.4.3. Inadvertent actuation of the water switch by any source of water, such as rain, salt spray, 2.2. INSTALLATION CRITERIA OF THE melting ice or snow, head o

Summary of the content on the page No. 9

NOTE 2.6. INSTALLATION PROCEDURES FOR THE DK100/DK120 AND THE N30A26 The mounting bracket can be used as a tem- SERIES MOUNTING KIT. plate to mark for drilling the holes prior to the installation of beacon. Always remove 2.6.1. GENERAL. Model N30A26 Series beacon from mount prior to marking or drill- Mounting Kit (Cradle Type) is an aluminum ing. extrusion with a screw-attached securing plate that provides rugged mounting and protection of CAUTION the beacon within the aircraft. See Figure 3. T

Summary of the content on the page No. 10

C. Test the beacon as outlined in Section IV to 2.7.2. MOUNTING PROCEDURE insure operation prior to installation. 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 clearances. B. Drill the four 0.272 inch (0.691 cm) (“I” drill) holes in the mounting surface as shown in Figure 5. Figure 4. Installation of N30A26 Series Moun

Summary of the content on the page No. 11

If vertical mounting is employed, the switch end should be facing downwards to reduce the accumulation of dirt, grease, and water on the switch end. Rotate the beacon in the mount, so that the markings and beacon replacement date label can be read. Figure 8. Securing Beacon in N30A21A Mounting Kit 2.7.3. INSTALLING BEACON INTO N30A21A MOUNTING KIT. Figure 6. N30A21A Mounting Kit A. Test the beacon as outlined in Section IV to and Beacon Overall Dimensions insure operation prior to installation.

Summary of the content on the page No. 12

NOTE 2.8. INSTALLATION PROCEDURES FOR THE DK130/DK140 AND THE N30A29 The mounting bracket can be used as a SERIES MOUNTING KIT. template to mark for drilling the holes prior to the installation of the beacon. 2.8.1. GENERAL. Model N30A29 Series Always remove the beacon from the mount Mounting Kit (Cradle Type) is an aluminum prior to marking or drilling. extrusion with a screw-attached securing plate that provides rugged mounting and protection of CAUTION the beacon within the aircraft. See Figu

Summary of the content on the page No. 13

B. Make sure that the beacon case and water 2.9.2. MOUNTING PROCEDURE. switch, are free of grease or film. If in doubt, wipe clean with mild detergent A. Lay out four holes as shown in Figure 11. Po- C. Test the beacon as outlined in Section IV to sition mounting kit carefully to avoid insure operation prior to installation. interferencewith other structures. Observe the clearances required as shown in Figures 11 and 12, and in established tool and maintenance clear- ances. B. Drill the four 0.

Summary of the content on the page No. 14

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 beacon with switch end forward. If vertical mounting is employed, the switch end should be facing downwards to reduce the accumulation of grease and dirt on the switch end. Rotate the beacon in the mount, so that the markings and beacon replacement date label can be read. Figure 14. Securing Beacon In F. Install a flat washer and nut on each end of

Summary of the content on the page No. 15

SECTION III OPERATION 3.1. THEORY OF OPERATION. 3.1.1. The DK Series beacon is a battery-oper- ated underwater acoustic pulse generator that is activated when the water switch is immersed in either fresh or salt water. Figure 15. Nominal Pulse Train 3.1.2. The water switch is part of a triggering will operate for a minimum of 30 days after circuit, which when actuated will initiate normal being immersed in the water. The beacon will pulsing of the beacon circuit. The signal is withstand depths t

Summary of the content on the page No. 16

SECTION IV TESTING 4.1. GENERAL. CODE MINIMUM ACCEPTABLE The DK Series beacon should be tested before VOLTAGE and after installation in the mounting kit and at recommended maintenance intervals. See Sec- A 3.55 VOLTS tions V and VI. B 2.97 VOLTS 4.2. BATTERY TESTING. Use a high impedance voltmeter (input imped- C 2.97 VOLTS ance of 10 M ohms) (not required when using TS100 or TS200 Test Set) to pe

Summary of the content on the page No. 17

SECTION V MAINTENANCE DK100/DK130 5.1. GENERAL. 5.4.3. Any situation that could possibly crush or penetrate the case of the beacon should be This section contains DK100/DK130 Beacon cleaning, beacon testing, battery testing, disposal avoided. and storage procedures. Initially beacons must be 5.5. BATTERY. tested at every installation or beacon change. The required schedule for battery replacement, WARNING available only at Dukane Corporation is every six years. REMOVAL OF BATTERY FROM BEA- CON W

Summary of the content on the page No. 18

SECTION VI MAINTENANCE DK120/DK140 6.1. GENERAL. 6.4.2. Any situation that could possibly crush or penetrate the case of the beacon should be This section contains DK120/DK140 Beacon avoided. cleaning, beacon testing, battery replacement and 6.5. BEACON DISASSEMBLY. testing, disposal and storage procedures. Initially beacons must be tested at every installation or battery change. The required schedule for Bat- Disassembly of the beacon is limited to battery tery Replacement and Off-Current Testi

Summary of the content on the page No. 19

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 LEAK- AGE. Figure 18. Battery End Cover Re- H. Carefully install a new O-ring on the battery moval With Vise Clamp and Span- cover. Apply a thin coating of O-ring lubricant ner Wrench

Summary of the content on the page No. 20

Figure 20. Beacon Exploded View Showing Relative Location of Battery and Related Parts WARNING J. Perform OFF-CURRENT TEST as outlined in Section 6.7. REPLACE BATTERY WITH AUTHO- RIZED REPLACEMENT PARTS K. Position rubber shock cushion around contact ONLY. USE OF AN UNAUTHO- spring and on the inside of the battery cover. RIZED BATTERY WILL VOID THE WARRANTY AND MAY CAUSE AN L. Replace the cover and tighten it until the INOPERATIVE OR DANGEROUS cover flange contacts the body or leaves less than


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