8242XS User Manual
Contents
1. 5 eire cipere etta peto ba de Go SUR E dass tha dee ea dba d de voa dede gaa d eee aaa Lee eaa dde 3 6 Figure 3 6 Load Capacity sz antes esee e ero sos etes adia ada dida aaa eaae Tape eo dels ete calda et epe adi d sena di da ea 3 7 Figure agde 3 9 Fig re 3 8 PUFBB POLL se cie trit eka eee Unos esed xeu nsu esas a Saba ceva ad eee IRE eee pa Spe eue Yea e vn Ree na REY eS 3 11 Figure 3 9 ON OFF Port Pl g diete se eT eee ri e Ec RT dae e a e Po E E Ree een 3 12 Figure A 1 Tandem Release Shackles and Ring esses eene enne nnne nnns A 1 Figure TAMBIEN A 2 Figure Wedel ETEA A 2 ga JdP R U T MODEL 8242XS RELEASE 0004815 REV F OVERVIEW This manual describes the EdgeTech Model 8242XS Acoustic Transponder Releases The Model 8242XS Acoustic Transponder Releases uses EdgeTech s Binary Acoustic Command System BACS and to operate require either the Model 8011 8011A AMD200R or PACS acoustic deck units The Model 8242XS can be used to release oceanographic moorings or can be used for long baseline transponder navigation In addition to these typical applications there are a number of specialized uses for these Systems such as opening and closing valves in underwater systems and as emergen2. with nylon insulators ON OFF plug ON OFF function optional Figure 3 1 Disassembly Diagram NOTE in some releases the cable from the electronics to the transducer is short 12 inches 30 cm To prevent parting the cable always remove the top transducer end cap first and disconnect the transducer from the electronics DO CA T MODEL 8242XS RELEASE 0004815 REV F 3 3 UU WARNING High voltage is present at this connector when the unit transmits reply bursts CAUTION The ends of the housing are O ring seating surfaces They must be protected while the unit is disassembled Any scratches will impair the performance of the O rings and may result in leaks See caution statement above Figure 3 2 Pressure Housing 3 1 2 Assembly The following sub sections explain how to properly assemble the Clevis End Cap and Top End Cap respectively 3 1 2 1 Clevis End Cap Assembly Prepare the sealing surfaces for assembly by cleaning with a lint free towel or swab moistened if needed with alcohol Inspect for scratches or nicks which will impair the O ring efficiency Apply a Very light coat of O ring lubricant i e Dow Corning 4 Compound to the piston surface to aid sliding insertion of the piston seal Inspect the O rings for damage or manufacturing flaws such as tears dimples or inclusions in the rubber Lightly coat the O rings with O ring lubricant Protect O ring
3. 12 000 Ibf 5443 Kg 10 000 Ibf 5443 Kg 8 000 Ibf 3629 Kg 19600 ft 6000 m 26240 ft 8000 m 5 12 in 13 cm 4 0 in 10 cm 37 0 in 94 cm 20 0 in 51 cm 80 Ib 36 Kg 61 Ib 28 Kg Ni Al Bronze ASM 48 C95800 Mil B 24480 Ni Al Bronze ASTM B150 C63200 Mil B 24059 Titanium Spring driven rotary release of compounded levers which can be rearmed externally 80 dB re 1 uPa gt or 36 dB re root Hz Hard limited 2000 Hz 330 Hz Bandwidths Edgelech 2 2 SECTION 2 SPECIFICATIONS Coding General to 8000 series Binary FSK Allowed Tone Pairs Six PAIR NO o 1 1 9 5 kHz 9 9 kHz 2 9 5 10 3 3 9 5 10 7 4 9 9 10 3 5 9 9 10 7 6 10 3 10 7 Structure Two successive 8 bit words with a 5 sec interval between them Each word comprised of 8 bits from a 16 bit command The 16 bit command is a 15 11 block cyclic code with an overall parity bit appended to the end to form a 16 11 code witha minimum Hamming distance of 4 bits Additionally two transitions are required within each word and no repetitions of words are allowed in a command Pulse Width 22 mSec Period 250 mSec Total Command Time 9 Sec Total Lockout Time 14 Sec re Beginning Total Command Capacity per Tone Pair 2000 or 12000 commands for six tone pairs Standard Functions Release Disable Transponder Enable Transponder 2 3 Transponder Transponder specifications for the 8242XS are lis
4. 7 CAUTION The instrument s load capacity is less than 1 10 the rated load if the two 1 2 in 1 27 cm diameter x 4 in 10 cm spreaders are not included in the cage The horizontal members of the cage must form a complete box and not just two parallel sides as shown in the following diagram Note 3 sets of 5 16 titanium hardware with nylon shoulder washers between titanium and bronze Figure 3 6 Load Capacity If the user elects to perform an air acoustic test it should be performed at this point before purging It is advisable to perform an air acoustic test before purging Edgelech 3 8 SECTION 3 SETUP amp ACTIVATION CAUTION Do not exceed 5 PSIG while purging the housing An excess vacuum can damage batteries 3 2 Leak Detection and Condensation Prevention EDGETECH 8242XS releases are provided with a 3 8 inch diameter purging port in the bottom end cap The recommended procedure for preparation of the instrument atmosphere is as follows After checking that all other ports are sealed draw a near 3 PSIG vacuum via the purging port Verify with a gauge that the release holds the vacuum Backfill with dry nitrogen then draw a near 3 PSIG vacuum Quickly insert the purging plug before the 3 PSIG vacuum is lost If the environment where the release was assembled was very humid then repeat the purging procedure 2 to 4 times before replacing the plug to remove all
5. application of cutting edge CHIRP and acoustic technology Edgelech xii TABLE OF CONTENTS ATTENTION READ THIS FIRST sccccsc scsaccsitvacessicsscsccdtvcnessicsncsvcdecasexcsetnaces sesses Oe aE a EOS iS EAEn OES iii Static Sensitive DEVICES Ec I PI iii Radio Interferemnce i c eiecit tie rte a n ce snaesdiusatuedgesanaddeasaaceusenouiedunpaticecs rasa diee unen iii High VOILAB OS s D ceed aon M iii Improper Line Moltage eco detei eene troed E o ge e URN EE ee oun ud de RUE aH enu ETE iii HARDWARE VARIATIONS AND COMPATIBILITY eee ee eere eene eene eene nnne nennen nnns nannten iv MANUAL PREFACE lt m v Purpose of this Matital noces cese ea Ea eder ipee ed tete e aa EEEE a as E R Eae V Summary Neid euge V Warnings Cautions and Notes ice ciens tto hei e dese tese Pe deed voa alode ete dese vo aene ca ee voa EN eade ed n vi NE vi WARRANTY STATEMENT RE vii RETURNED MATERIALAUTHORIZATION ssscsccssescsssccesssscesssecesecscsssessseccassabossiscssessdsseesssssesnesceeseressseesss viii CUSTOMER SERVICE isacccicsssessacssacasidssvassassvacedsdssssssscsnadecdssssantaessadessisasesscessacessscssanseuseess aasasesseasnadesaiees x COMPANY BACKGROUND 3 55 55 5 5 0 1 1I EER EE FERRE ERE HER
6. seated in the groove and is not crushed outside the groove between the end cap and housing The end cap is secured to the housing by gently starting one of the clamps onto the 15 degree tapered flanges After both sides of the clamp have been started seat the clamp with progressively sharper taps using a soft mallet The clamping hardware includes 5 16 titanium nuts bolts and washers See Figure 3 7 NOTE Also included are nylon shoulder washers which are essential and must be positioned between the titanium and bronze to prevent damaging galvanic corrosion of the bronze as shown in the diagram below Titanium hex head bolt Titanium washer Titanium hex nuts Nylon shoulder washer Figure 3 5 Clamping Hardware Continue tapping all parts of both clamps with the soft mallet until no further tightening of the hardware is possible Use a torque wrench if available and torque all five of the titanium fasteners to between 175 and 200 in Ibs 200 230 centimeter kilograms SS ST MODEL 8242XS RELEASE 0004815 REV F 3 1 2 2 Top End Cap Assembly Observe the same O ring preparation procedures as for the clevis end cap Connect the transducer lead Connect battery pack connector to the main board Clamp the top end cap cage assembly onto the housing using the same technique with the soft mallet as was used for the clevis end cap Include both of the inch spreaders when assembling the cage See Figure 3
7. should be no more than one year old when placed in service Cleanliness and careful inspection techniques should be employed when assembling the batteries into welded packs Careful attention should be paid to purging the unit so as not to leave air or moisture inside before storage or deployment Edgelech APPENDIX A TANDEM RELEASE This appendix gives the parts for the tandem release option involving two 8242XS releases working to simultaneously release a load Figure A 1 Tandem Release Shackles and Ring Y Edgelech A 2 TANDEM RELEASE Figure A 2 Top View Figure A 3 Bottom View ES SS ees MODEL 8242XS RELEASE 0004815_REV_F
8. the value of the equipment is over 1000 the following Shipper s oath must be sent with the invoice This oath can be typed on the invoice or on a separate letterhead declare that the articles herein specified are the growth produce or manufacture of the United States that they were exported from the United States from the port of on or about that they are returned without having been advanced in value or improved in condition by any process of manufacture or any other means and that no drawback or allowance has been paid or admitted hereof Signed Fes H R ON S E MODEL 8242XS RELEASE 0004815 REV F ix ES OESRSES ESSE SE EF 3 If there is more than one item per consignment a packing list must accompany the shipment It is acceptable to combine the proforma invoice and packing list as long as the contents of each carton are clearly numbered and identified on the invoice 4 Small items can be shipped prepaid directly to EdgeTech by FedEx DHL UPS Airborne etc 5 f the equipment is the property of EdgeTech formerly EG amp G Marine Instruments Division please insure for full value 6 Fax one invoice packing list and a copy of the airway bill to EdgeTech upon shipment Edgelech CUSTOMER SERVICE Customer service personnel at EdgeTech
9. AP EdgeTech MODEL 8242XS RELEASE USER HARDWARE MANUAL 0004815 REV F December 2014 EdgeTech 4 Little Brook Road West Wareham MA 02576 Tel 508 291 0057 Fax 508 291 2491 The information figures and specifications in this manual are proprietary and are issued in strict confidence on condition that they not be copied reprinted or disclosed to a third party either wholly or in part without the prior written consent of EdgeTech Any reproduction of EdgeTech supplied software or file sharing is strictly prohibited OCopyright 2014 by EdgeTech All rights reserved MODEL 8242XS RELEASE 0004815 REV F ATTENTION READ THIS FIRST All personnel involved with the installation operation or maintenance of the equipment described in this manual should read and understand the warnings and recommendations provided below Static Sensitive Devices This equipment contains devices that are extremely sensitive to static electrical charges Therefore extreme care should be taken when handling them as static electricity may be present on the body and clothing Normal handling precautions involve the use of anti static protection materials and grounding straps for personnel Radio Interference This equipment generates uses and can radiate radio frequency energy Therefore if the equipment is not installed properly it may cause interference with radio communications The equipment has not been tested for complian
10. ETURNED MATERIAL AUTHORIZATION Prior to returning any equipment to EdgeTech a Returned Material Authorization RMA number must be obtained The RMA will help us identify your equipment when it arrives at our receiving dock and track the equipment while it is at our facility The material should be shipped to the address provided in the EdgeTech Customer Service section Please refer to the RMA number on all documents and correspondences as well All returned materials must be shipped prepaid Freight collect shipments will not be accepted EdgeTech will pay freight charges on materials going back to the customer after they have been evaluated and or repaired CAUTION Never attempt to ship portable topside units in their Storm Case alone Although rugged these cases are not intended to be used as shipping containers and the delicate internal components could be damaged if used in this manner The following steps apply only to material being returned from outside the Continental United States Follow them carefully to prevent delays and additional costs 1 All shipments must be accompanied by three copies of your proforma invoice showing the value of the material and the reason for its return If the reason is for repair it must be clearly stated in order to move through customs quickly and without duties being charged Whenever possible please send copies of original export shipping documents with the consignment 2 If
11. Figure 3 1 and Figure 3 2 The internal pressure of the unit is not atmospheric The 8242XS releases are shipped with 10PSIA 5PSI gage of dry nitrogen This reduces moisture in the housing and helps to seat the O rings Equalization of pressure by removal of the purge port plug will be necessary to gain entry into the instrument WARNING If the underwater unit has been deployed there is the possibility of leakage and internal pressurization of the housing If the housing is pressurized be sure to exercise extreme caution when relieving the pressure The resulting violent motion of some parts can result in serious personal injury 3 1 1 Disassembly Equalize pressure by removing the purge port plug Remove the three titanium bolts from the top cage clamp assembly With a soft mallet tap the cages free of the end cap two 1 2 inch diameter spreader rods are loose and will fall free of the cage as it is disassembled Draw the transducer end cap out of the housing Edgelech 3 2 SECTION 3 SETUP amp ACTIVATION Disable the power supply by disconnecting the connector from the battery pack to the main board Then disconnect the transducer cable Remove the two titanium bolts from the lower clamp assembly With a soft mallet tap the clamps free of the end cap Carefully slide the release electronics assembly out of the housing Take care not to scratch the O ring surfaces See Figure 3 3 5 16 titanium hardware
12. REN HEXE SEHR ERE REX SEHR REEL ERE EEEE RET EUR xi bp ti arejzreel ng iee xii UST OF FIGURE S rarer doses adia deal ia ds ins RasiSsa sacesdessdudsass sAr a sass cons D ada Ee eS Debar ra dass et EPSE xiv SECTION Ts OVERVIEW 55 nn Odi siste raios E ERES H EFIE PERMET ETHER tia EIC O0 1 1 SECTION 2 SPECIFICATIONS pee TEE 2 1 PET 2 1 2 2 CoOmmiatids rsss cites esate eM GUGA oa EID IE ELM P IM TIED T IM RE 2 1 Pc TIN DONA EP aa EE E TEEI ASAREE A EE E N 2 2 24 aurei IM 2 3 SECTION 3 SETUP AND ACTIVATION 55 eese seed eaa eh be Roe a oes e YR E ERE E RRER EE 3E S9 RS ERES ERHEBEN ERE ERE Cadena s state sda 3 1 3 1 Housing and Release Preparation and Care ccsccccsssssecesssceceeseeeecesseeeecseseeeecseseeaeeesseeaeeeseenaees 3 1 E MIEEEECISGBMESRP M 3 1 3 1 2 Assembly ias cm Patet teu aee cone fetibus tosta t oa feat iir UR epa op aaa 3 3 3 1 2 1 Clevis End Cap Assemb oesters naisissa aaa 3 3 3 1 2 2 Top End Cap Assemlbly ie esee noeud esee s Pene ete pua cease deti deves 3 7 Fasc ERNNECC x sc A S S EEEEZLILLZEEIEIZIIGIZISISISILZUSSSSIUSIIBEZZSEQISGE TI MODEL 8242XS RELEASE 0004815 REV F 3 2 Leak Detection and Condensation Prevention re eareeerarnaareranana 3 8 3 3 Arming the Instrument suse coercet
13. able anchor link with nylon insulating bushings This link or its equivalent must be used to prevent harmful galvanic corrosion between dissimilar metals Edgelech 3 10 SECTION 3 SETUP amp ACTIVATION 3 4 Release Function After the command to release has been decoded the power supply is switched on to the motor The internal torsion spring is released by the motor and provides torque to the t shaped release shaft When the t shaped end of the shaft turns and aligns with the slot in the latch a release will occur The shaft carries the mooring tension along its axis with support via two thrust washers at the top inside end of the shaft The torque created by the spring needs to overcome the friction between the shaft and the latch Because the torque generated by the spring is a fixed quantity the electrical current requirement of the motor is purely a function of the size of the spring The central design parameter of the mechanical release assembly is the size magnitude of the spring force The effective battery life is based on the minimum voltage required to release the spring and the maximum release capability is defined by the mooring tension frictional force that the spring must overcome 3 4 1 Release Latch Inspection following high load in air releases It should be routine practice after any release air or water to inspect the release latch and release latch pin for flatness In the absence of the damping e
14. are always eager to hear from users of our products Your feedback is welcome and is a valuable source of information which we use to continually improve these products Therefore we encourage you to contact EdgeTech Customer Service to offer any suggestions or to request technical support NOTE Please have your system Serial Number available when contacting Customer Service E mail service edgetech com Mail 4 Little Brook Road West Wareham MA 02576 Telephone 508 291 0057 Facsimile 508 291 2491 24 Hour Emergency Technical Support Line 508 942 8043 For more information please go to www EdgeTech com I MODEL 8242XS RELEASE 0004815 REV F xi COMPANY BACKGROUND EdgeTech formerly EG amp G Marine Instruments traces its history in underwater data acquisition and processing back to 1966 EdgeTech has designed developed and manufactured products instruments and systems for the acquisition of underwater data including marine estuarine and coastal applications for over 45 years The company has responded to the needs of the scientific Naval and Offshore communities by providing equipment such as sub bottom profilers side scan sonar acoustic releases USBL positioning systems and bathymetric systems that have become standards in the industry EdgeTech has also consistently anticipated and responded to future needs through an active research and development program Current efforts are focused on the
15. ce with the appropriate FCC rules designed to provide reasonable protection against such interference when operated in a commercial environment Therefore when operating the equipment in a residential area the user may be required to take whatever measures are needed and incur any expenses necessary to eliminate interference it is the user s responsibility to verify that the system complies with the applicable FCC emission limits High Voltages High Voltage may be present in all parts of the system Use caution when the electronics are removed from their containers for servicing Improper Line Voltage Operation with improper line voltage may cause serious damage to the equipment Always ensure that the proper line voltage is used EdgeTech HARDWARE VARIATIONS AND COMPATIBILITY The Model 8242 XS Release contains both standard and proprietary hardware At times EdgeTech may change the standard components due to their availability or performance improvements Although the component manufacturers along with their models and styles may change from unit to unit replacement components will generally be interchangeable EdgeTech will make every effort to see that replacement components are interchangeable and use the same software drivers if applicable At times however direct replacements may not exist When this happens EdgeTech will provide the necessary drivers with the replacement part EdgeTech may also change certain hard
16. covered in the warranty and EdgeTech disclaims any liability for consequential damage resulting from defects in the performance of the equipment No product is warranted as being fit for a particular purpose and there is no warranty of merchantability This warranty applies only if i The items are used solely under the operating conditions and in the manner recommended in Seller s instruction manual specifications or other literature ii The items have not been misused or abused in any manner nor have repairs been attempted thereon without the approval of EdgeTech Customer Service iii Written notice of the failure within the warranty period is forwarded to Seller and the directions received for properly identifying items returned under warranty are followed iv The return notice authorizes Seller to examine and disassemble returned products to the extent Seller deems necessary to ascertain the cause for failure The warranties expressed herein are exclusive There are no other warranties either expressed or implied beyond those set forth herein and Seller does not assume any other obligation or liability in connection with the sale or use of said products Any product or service repaired under this warranty shall be warranted for the remaining portion of the original warranty period only Equipment not manufactured by EdgeTech is supported only to the extent of the original manufacturer s warranties Edgelech viii R
17. cy recovery systems The Binary Acoustic Command System BACS provides 12 000 possible command codes The releases have an enable disable command for controlling the transponder function as a standard feature When disabled the transponder will not reply when interrogated The Release command causes the Model 8242XS to disconnect manually from its mooring The release command can be sent and will cause a release whether the system is enabled or disabled The enable and disable function only controls the transponder section WARNING Applying power to the instrument while it is mechanically loaded may result in release of load and cause serious personal injury WARNING When the instrument has a tensile load careless handling may endanger the user s hands Exercise extreme caution to prevent serious personal injury Edgelech SPECIFICATIONS 2 1 Mechanical Mechanical specifications for the 8348XS are as follows Static Load to Failure tested Recommended Max Static Load working Design Max Release Capability Recommended Max Release Requirement Depth Rating working Collapse Pressure tested Housing O D Housing l D Overall Length Housing Length Weight in Air Weight in Water Material Castings Wrought Fasteners Release Type 2 2 Commands Command specifications for the unit are as follows Sensitivity SNR Receiver type 20 000 Ibf 9072 Kg
18. d and Not released 7 pings at a 2 second rate Upright and released 15 pings at a 1 second rate Tilted and released 7 pings at a 1 second rate 3 8 Battery Replacement Remove the electronics chassis from the housing according to the disassembly procedure Make sure that the battery connector is disconnected from the board and remove the brackets which hold the battery pack to the aluminum plate Discard the old battery Install the new battery and replace the brackets which hold it in Route the battery connection in such a way that it will not be crushed when assembling the electronics in to the housing After replacing the batteries the user is advised to perform an air acoustic check of the release Assemble the electronic chassis in the release housing 3 8 1 Battery Replacement Considerations These releases are high performance instruments and it is presumed that they are employed to recover high value oceanographic instruments and data For this reason extreme care must be exercised in choosing replacement batteries EdgeTech makes considerable effort to test various batteries and to provide control of the manufacture of replacement batteries for its equipment The user should exercise extreme care in selecting replacement battery packs The particular manufacturer s cell discharge characteristics and repeatability should be known The date of manufacture and the history of shipping and storage should be known if not controlled batteries
19. ffect of water or if very high loads are released the hook latch and release link exhibits significant dynamics When testing the release in air the hook and latch will strike one another Slight bending of the latch or latch pin a few thousandths of an inch may occur Bending greater than 002 inch in the latch or pin will impair the release performance and may warrant replacement of the bent part To prevent binding during in air tests bond a 3 8 inch thick by 2 inch long strip of rubber to the hook This will absorb the shock of impact when the latch strikes the hook This is only necessary if a heavy load will be used for the test 3 5 ON OFF Option When the On Off Option is included the instrument may be fully prepared and sealed before powering the electronics The power supply is an open loop until the on off port plug is fully inserted The on off port plug is a keyed four pin plug that closes the power supply circuit when it engages the connector inside the instrument Proper alignment of the plug is with the 1 8 inch milled slot in the top of the plug pointed away from the center of the end cap See Figure 3 8 Note the plug is approximately flush with the end cap when the instrument is powered on and the glass epoxy retainer is wrapped around the 19 inch diameter stub See Figure 3 9 MODEL 8242XS RELEASE 0004815 REV F Test port ON OFF plug Note proper alignment of the keyed plug which is necessary to engage the
20. moisture 3 3 Arming the Instrument The release mechanism is easily armed using only the slotted arming tool that is provided with the system See figure 9 No disassembly is required even after multiple firings except for battery replacement The external moving components of the release mechanism include the following e Primary release hook e Slotted release latch e T shaped release shaft The instrument is easily armed by e Capturing the anchor link in the hook e Capturing the end of the hook behind the latch while passing the slot in the latch down over the shaft e rotating the shaft using the arming wrench until the internal mechanism clicks and holds position DO NOT FORCE THE MECHANISM FURTHER THAN NEEDED approximately 40 inch pounds torque is required to rotate the shaft 30 degrees clockwise MODEL 8242XS RELEASE 0004815 REV F CAUTION Following rotation of the shaft the release mechanism is armed Do not attempt reverse rotation with the arming tool Forced reverse rotation will jeopardize optimum performance Clockwise rotation of tool Figure 3 7 Rotation The Model 8242XS release is designed to be used with a standard 5 8 inch shackle maximum 77 inch 1 9 cm pin diameter and minimum 1 06 inch 2 7 cm opening NOTE It is essential that the nickel aluminum bronze material be isolated from any dissimilar metal Because of this the instrument is supplied with a dispos
21. plug fully ON OFF plug EdgeTech 3 12 SECTION 3 SETUP amp ACTIVATION Note the unmated off configuration of the plug connector with both O rings fully engaged and glass epoxy retainer in last slot in plug Figure 3 9 ON OFF Port Plug 3 6 Air Acoustic Tests Always perform an air acoustic test of the commands and interrogate the instrument after assembling to assure proper working order Every time the instrument is powered up repeat the air acoustic test to assure proper engagement of the On Off plug Place the speaker or transducer about 6 to 12 inches from the underwater unit transducer when sending commands The position of the transducers relative to one another may need to be adjusted to allow commands to get through in air Ranges will not be MODEL 8242XS RELEASE 0004815 REV F 3 13 EEE EEE H accurate in air these systems are designed to operate in water The speed of sound in air can cause errors in command decoding and prevents accurate ranging however the systems can be tested in air Test all functions of the system by sending each command and verifying that the state changed according to the command including status reply 3 7 Status Reply Upon receiving a valid command the instrument will return a series of pings which are an indication of the status of the tilt and release sense switches The 4 possible status replies are Upright and Not released 15 pings at a 2 second rate Tilte
22. reper cadautcbedenntececpeucebeseedirecedeatshedeactecccpeatebeseiarvecedeatsdedeastnces 3 8 3 4 Release FUN COM sc RM 3 10 3 4 1 Release Latch Inspection following high load in air releases esses 3 10 3 5 ON OFF Option ccccccssssscscocccccsscussssavescecoscescesarssanensoceescccesdunssunescoscecesucuecuusnrsvesessceecescusnannensasecs 3 10 320 AIP tee EIN cuc E 3 12 Le MESA M T 3 13 3 8 Battery Replacement o ee rore roro era ce Re ERR DR du Pana eu eva aa da onda uid da A eeu a vu upa 3 13 3 8 1 Battery Replacement Considerations cccccessesceceessececeeseeeeceeseeeececseeeecseseeeeeseseeaeeeeeeneees 3 13 APPENDIX A TANDEM RELEASE eios eo tete eese Sene o nea ee pe e oe a aeo tacos o eese o ese go SPP Ue ESSE RESET sseni A 1 Edgelech xiv LIST OF FIGURES Figure 3 1 Disassembly DiaSram sszctcisswsccccancteisessdseccedeansteseantincccesctetadeadsrecesentsdudeanreceapectebnesaasnecngeatitadeactinass 3 2 Figure 3 2 Pressure HOUSING sete eerie une eeu eoe eet eun ee Pea ee Y Ue eed ei LEE Yee eh vosdesteusaevenbeaecadeecsants 3 3 Figure 3 3 Clevis End Cap Assembly Diagram sessi enne 3 4 Figure 3 4 O Rings in Clevis End Cap cesccccssssceceessneeceeseeeeceeseeeeceeseeeecesseeeecseseeeecssseeeecssseeaeesseeeaeeeesenaees 3 5 Figure 3 5 Clamping Hardware
23. s when stretching them over large diameters i e cover diameter with plastic sleeve See Figure 3 4 Figure 3 5 and Figure 3 6 Edgelech 3 4 SECTION 3 SETUP amp ACTIVATION Wt Face seal mating surface Piston seal mating surface Figure 3 3 Clevis End Cap Assembly Diagram CAUTION Excess lubricant between seals may cause excessive hydraulic pressure between O rings and result in improper seating A light coating is all that is required I MODEL 8242XS RELEASE 0004815 REV F Excess volume of O ring lubricant m Gap of 028 042 when O ring first touches large hydraulic pressure seats O rings in opposing Girections Figure 3 4 O Rings in Clevis End Cap Slip the electronics into the housing After the electronics is in the housing and before the transducer end cap is inserted connect the transducer cable and then the battery CAUTION Do not pinch or damage wires when inserting assembly into the housing There are large diameter plates in the electronics assembly which will not allow clearance for cables or connectors Edgelech 3 6 SECTION 3 SETUP amp ACTIVATION Eos Carefully press the piston seal into the housing The backup O ring is properly aligned if it enters the housing before the O ring while the curved side of the backup ring faces the O ring When the end cap flange mates against the housing be sure the O ring is properly
24. t in detail SECTION 3 Set up amp Activation Configuring and using the unit APPENDIX A Tandem Release Provides images and parts for this option Edgelech vi Warnings Cautions and Notes Where applicable warnings cautions and notes are provided in this manual as follows WARNING Identifies a potential hazard that could cause personal injury or death to yourself or to others CAUTION Identifies a potential hazard that could be damaging to equipment or could result in the loss of data NOTE Recommendations or general information that is particular to the material being presented It may also refer to another part of this manual or to another manual Liability EdgeTech has made every effort to document the 8242 XS Release in this manual accurately and completely However EdgeTech assumes no liability for errors or for any damages that result from the use of this manual or the equipment it documents EdgeTech reserves the right to upgrade features of this software and to make changes to this manual without notice at any time MODEL 8242XS RELEASE 0004815 REV F vii WARRANTY STATEMENT All equipment manufactured by EdgeTech is warranted against defective components and workmanship for a period of one year after shipment Warranty repair will be done by EdgeTech free of charge Shipping costs are to be borne by the customer Malfunction due to improper use is not
25. ted below Sensitivity 80 dB re 1 uPa SNR gt or 44 dB re root Hz for jitter lt 0 5 mSec 3 Sigman Jitter 0 1 mSec for noise free field MODEL 8242XS RELEASE 0004815 REV F Interrogate Frequency 11 kHz Standard Post Filter Bandwidth 330 Hz Minimum Interrogate Pulse Width 5 mSec Reply Frequency Default 12 kHz switch selectable Reply Source Level 190 dB re 1 uPa m Reply Pulse Width 10 mSec standard Turnaround Time Delay 12 5 mSec Standard Lockout Time 1 0 Sec 2 4 Environmental The environmental specifications for the unit are Temperature 10 deg C to 40 deg C operating 20 deg C to 85 deg C storage Edgelech SETUP AND ACTIVATION This section contains the information relative to the basic set up and operation of the Model 8242XS acoustic release The user is referred to the specific information sheet that shipped with the unit for details of his specific equipment This sheet includes commands and transponder frequencies for the particular release WARNING When the instrument has a tensile load careless handling may endanger the user s hands Exercise extreme caution to prevent serious personal injury 3 1 Housing and Release Preparation and Care Access to any portion of the electronics or mechanical assemblies is achieved simply by removing the total of five sets of titanium hardware holding the upper and clevis end caps in place See
26. ware per customer requirements Therefore portions of this manual such as parts lists and test features are subject to change These sections should be used for reference only When changes are made that affect system operation they will be explicitly noted Also some options and features may not be active in the customer s unit at time of delivery Upgrades will be made available when these features are implemented EE MODEL 8242XS RELEASE 0004815 REV F MANUAL PREFACE We the employees at EdgeTech would like to thank you for purchasing the 8242XS At EdgeTech it is our policy to provide high quality cost effective products and support services that meet or exceed your requirements We also strive to deliver them on time and to continuously look for ways to improve them We take pride in the products we manufacture and want you to be entirely satisfied with your equipment Purpose of this Manual The purpose of this manual is to provide the user with information on the installation and use of EdgeTech s 8242XS Although this manual encompasses the latest operational features of the 8242XS some features may be periodically upgraded Therefore the information in this manual is subject to change and should be used for reference only Summary of Sections This manual is divided into the following sections and appendices SECTION 1 Overview Basic outline of the system and its uses SECTION 2 Specifications Description of the uni
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