Sea Catch User's Manual
Contents
1. Wamings Before operating the Sea Catch device please heed these warnings O Improper use of the Sea Catch device may cause injury OHitch pin must be used to prevent inadvertent release 11On a fully loaded Sea Catch with the hitch pin removed do not use the release line as a tag line or put any tension on it until time to release An additional tag line secured to the upper shackle as illustrated on page 3 and kept taught at all times is highly recommended to maintain a slack release line and prevent load twisting Stay clear of all objects released under load O Do not exceed load capacity of this device iChoose the proper size Sea Catch so that it is not loaded with or releasing more than its rated load O Do not side load the Sea Catch as it may cause loss of retainer rings and other parts or permanently damage the device While in its loaded position do not obstruct the Sea Catch so as to prevent its body being aligned straight with the line of load Misalignment may prevent the movable jaw from releasing the connected member even with the device in the released position O Do not mount the Sea Catch such that the mounting fixture damages the unit while in use This could cause loss of parts and unit malfunction O Before welding on the body of the device if needed for mounting purposes e g first remove the two pivot pins on the body and take off the moving parts of the device to prevent distortion2. low capacity units and for applica tions where hydraulics are not feasable 5 8 Shackle not provided lanyard pull center SS oy Shackle 3 4 pin d tolock toaald 3 4 pin dia Load release at sea a Screw Operation Device Locking Having secured the recommended shackle to the rear end of the Sea Catch open the jaw by removing the hitch pin and prying up the release lever and opening it to the released position Insert the pin of the shackle to be released into the jaw opening Secure the shackle by closing the release lever to the locked position and firmly lock the toggle pin over center with a vice grip like snap The shackle is now held firmly locked even with no load on the device The hitch pin can be reinserted to prevent inadvertent re lease The Sea Catch is now ready to be loaded Once the hitch pin is removed the Sea Catch is armed and ready to be released Device Releasing Release of the loaded Sea Catch is activated by first removing the hitch pin and then pulling firmly on a release line connected to the end of the release lever The release line can be activated in any direction within the 90 degrees perpendicular and parallel to the line of load The Sea Catch can be released with or without load on the unit The use of the hitch pin is not required to secure the device in the locked position It is an added safety measure preventing inadvertent release A hitch pin is provided with each unit
3. and possible unit malfunction Maintenance Inspection of the Sea Catch device is advised after each use After use in or near sea water a fresh water rinse of the Sea Catch is advised before the device is stored Pivot pins may require periodic re lubrication AQUALUBE is recom mended for general marine use Higher capacity models such as the TR15 and up require a NLGI 2 5 grease with moly added such as the McMaster Carr item 1335K45 Sea Catch Hitch Pin Securement To prevent the loss of the hitch pin two methods of securing it to the release line are sug gested HITCH PIN a a RO R RS _ RELEASE lt LEVER FIG 1 The first option is to tie the hitch pin to the outer end of the release line FIG 3 FIG 2 The second method is to secure the hitch pin at a point near the inner end of the release line as shown This method not only pro vides hitch pin securement but may facilitate its removal at the time of release Sea Catch Over Center Pressure Adjustment FIG 3 Ample material has been left at the tip of the movable jaw see arrow where the jaw and body come in contact This aids in holding the device securely over center in the locked position even when no load is applied to the device It also helps prevent inadvertent release of the device Should the user require that the effort to lock the release lever of the device over center be reduced a suggestion is t
4. 4 54 86 310 13 25 1 125 5 31 29 7 TRI6 2 3 25 225 313 19 73 1 12 246 13 75 63 380 316 900 108 a Made of the same high strength 82 55 57 15 79 5 501 14 28 44 62 48 349 25 31 69 158 45 48 98 5 Si f TRI7 2 1 2 415 275 388 2413 1 37 3 01 16 81 94 740 473 700 197 ne material as the Sea Catch releases 104 90 69 85 98 55 612 90 34 79 76 45 426 97 47 37 236 85 89 35 r ievi j j TRI8 3 5 3 25 4 75 30 79 1 75 3 85 21 43 154 240 771 200 360 me these retrieving hooks are light weight 127 82 55 120 65 782 06 44 45 97 79 544 32 77 12 385 6 163 2 and strong Used with a pole spike rao en ee ae any SSE the hook is ideal for safe retrieval and SWL capacity is a ratio of 5 1 to Breakload ee recovery of loads at sea A tag line snes are eee ek improved Designs dimensions capacities and eet am adn holds the hook in the end of the pole ee ee SH9JESIO VANGNON and is equally useful as a tag line on the load once the hook is connected nd th le removed Two siz r General Sea Catch Features and ihe pele removed Iwg skenare available Perpendicular or parallel release directions Hitch pin lock for device locking safety Sea Catch OLH25 Off Load Hook Computer generated parts precision cut from aerospace grade S This is a pivoting hook SWL 4 5 m stainless steel plate tons sized to receive up to 3 7 62 Low friction low effort lanyard style release for maximm user safe
5. Estimated Effort to Release Load The estimated effort to pull on the Sea Catch release line to release a capacity load is as follows Model SWL Effort to release TR3 65 tons 8 Ibs 3 62 kgs TR5 1 66 tons 19 Ibs 8 61 kgs TR7 3 52 tons 40 Ibs 18 kgs TR8 4 78 tons 88 Ibs 40 kgs TRIO 7 92 tons 145 Ibs 65 kgs TR11 14 08 tons 258 Ibs 117 kgs TR12 16 42 tons 301 Ibs 136 kgs TR15 25 10 tons 460 Ibs 208 kgs TR16 31 68 tons 580 Ibs 263 kgs TR17 47 37 tons 867 Ibs 394 kgs TR18 77 11 tons 1411 Ibs 640 kgs Alternative release methods shown on page 6 Product Disclaimer The specifications information and performance of the products manufactured by McMillan Design and featured in this publication may be changed without notice Since the use of this information and the conditions by which the products are used are beyond the control of McMillan Design it is the obligation of the owner and or the equipment operator to carefully read and understand the Sea Catch User s Manual and determine the correct and safe selection and settings and conditions of use of the equipment and products To the extent that the law permits any liability which may be incurred as a result of the use or future use of a product manufactured or sold by McMillan Design is limited to the cost of repairing or replacing the failed product or component at the discretion of McMillan Design either within or outside of warranty periods and does not exte
6. ied TR15 provided SHACKLE Mod Shackle A B Cc D E F G SW Load Break Ld Weight i 3 r Size in in mm Ib sh ton Ib sh ton Ib kg with a front jaw enlarged to receve TR3 1 4 47 31 Al 2 85 18 37 1 96 1 302 6510 31 up to 3 4 fibre line such as a fibre 11 93 7 87 10 41 73 39 4 57 9 39 49 78 65 3 2 14 ee TRS 716 75 50 69 45 25 55 3 13 3 323 16 618 1 3 forerunner Additional side plates at 19 05 12 7 17 52 114 3 6 35 13 97 79 50 1 6 8 3 58 TR7 5 8 1 06 75 1 6 62 38 81 4 56 7 042 35 210 4 the jaw area help spread the load 26 92 19 05 25 40 168 14 9 65 20 57 115 82 3 52 17 6 1 81 and prevent line chafing Useful TR8 3 4 1 25 87 1 19 7 68 43 93 5 53 9 574 47 870 63 A ete m 31 75 22 09 90 22 0195 07 10 92 23 62 140 46 14 78 23 93 2 88 applications include tug barge 42 92 28 70 41 40 247 65 14 22 30 73 174 49 7 92 39 6 5 67 connections and emergency releas TRI 1 3 8 2 25 1 50 2 12 13 15 75 1 63 9 15 28 000 140 000 32 ing at port terminals Other capacities 57 15 38 1 53 84 334 01 19 05 41 40 232 41 14 70 14 5 TRI2 1 1 2 2 38 1 62 2 25 14 25 81 1 78 9 92 32 860 164 300 40 are available such as the TR7LM 60 45 41 14 57 15 361 95 20 57 45 21 251 96 16 43 82 15 18 14 TRIS 1 3 4 2 88 2 2 75 17 56 1 2 16 12 21 50 200 251 000 69 Sea Catch RH Retrieving Hooks 73 15 50 8 69 85 446 02 25
7. nd to any loss or damage which may be caused as a consequence of misuse or failure of the equipment or products McMillan Design its owner s its shareholder s or its agents shall not in any event be liable for economic loss of profits indirect special bodily injuries or consequential damages By virtue of taking possession of any product manufactured by McMillan Design the ownerand or the equipment operator agrees to the terms of this Disclaimer O Copyright 2011 McMillan Design Inc S CS t h All rights reserved by McMillan Design Inc ea a Cc May not be copied in whole or part Sea Catch is a registered trademark of McMillan Design Inc U ser s M an u al Sea Catch is protected under US Pat No 5901990 See your dealer or contact McMillan Design Inc 9816 Jacobsen Lane Gig Harbor WA 98332 USA Se i RS ASASA SES SEES SERNA SSS RSE Tel 253 858 1985 Fax 253 858 1986 Website WWW SEACATCH COM A TTSS Before operating the Sea Catch device please carefully read and understand this document for your safety and the safety of others See A ere ee aa Sea Catch TR7S Skiff Release A standard TR7 is securely mounted to a stainless steel dish This stable base allows the unit to func tion dependably above seine gear during purse seine skiff release applications Low kick back quiet operation and a safe hitch pin securement are key elements for skiff release operations Sea Catch TRI5CM This is a modif
8. o locate the area where the surface of the jaw tip comes in contact with the body tip and lightly file or grind off material in that area It is important to test the effort frequently after some material has been removed so as to prevent the removal of too much moterial Should the user require that the effort to lock the release lever of the device over center be increased a suggestion is to increase the thickness of the material between the two surfaces by applying a center punch mark in the area of the jaw where the surfaces meet Should there still be insufficient material to ensure the positive locking integrity of the device the contact area of the jaw will need to be spot welded This welded material will then need to be ground to the appropriate thickness
9. ty cm diameter load line or strap On Load Off Load Releasing Shackles are used as counteweights All parts 100 stainless steel Once the load is resting on the No springs seabed the hook automatically rotates and releases the load line A larger size is available with a SWL of 30 m tons Sea Catch Operation RELEASED To release re LOCKED Sea Catch TR5SQ and TR7SQ Crane squib fired units 5 8 Shackle gt Tag move hitch pin i tine Standard TR5s and TR7s are fitted Aligned holes 1099 ond ME seacaten with a chamber to receive a squib or allows device ii B locking with A thruster Electrically activated these units are best suited for instant or remote releasing applications Manual back up release is maintained with the lanyard Release Loa in either Line direction Q Threaded Vessel chamber hitch pin Snap lever SO fo closed N ec over fl Squib DAAA AAAAAAAA I B COMPACT Cylinder Sea Catch RAM units Standard models may be fitted with hydraulic cylinders and fired hydrauli cally Above the cylinder is a plunger which activates the release from below Cylinders are rated at 5 000 psi and provide larger capacity units the nesessary means for activation Sea Catch AIR units Standard models may be fitted with air cylinders and fired with 100 psi shop air Air cylinders are suitable for
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