HookClamp UserManual
Contents
1. LIF TINGSAFETY SELBY ENGINEERING AND LIFTING SAFETY LTD Tel 44 0 1977 684 600 Email sales liftingsafety co uk LIFTING EQUIPMENT AND HEIGHT SAFETY SPECIALISTS LS ee General Hook Clamp Features e Perpendicular or parallel release directions e Safety Hitch pin lock for device locking safety prevents accidental dropping e Computer generated parts precision cut from aerospace grade stainless steel plate e Low friction low effort lanyard style release for maximum user Safety e OnLoad Off Load Releasing e All parts 100 stainless steel e No springs apart from spring loaded safety hitch pin option Hook Clamp Operation oc RELEASED Articulating Side Plates g Anchorage Top LOCKED RELEASEY suspension Eye Sy solenen ii Shackle gt f move hitch pin load gn Manual Release Lever Aligned holes 7 and pull allows device Safety Pin locking with hitch pin lanyard in rts y Snap lever direction Release Pull Direction set closed i Q Reverse Inverted Lever Ove ee Available Bi i coved Tr Shackle HO or to lock i Opening Jaws Circlip Device Locking Having secured the recommended shackle to the rear end of the Hook Clamp anchorage top suspension eye open the jaw by removing the hitch pin and lifting up the release lever and opening it to the released position Insert the pin of the shackle to be released into the jaw open2. 45 97 79 544 32 69 962 349 8101 138 8 SWL capacity is a ratio of 5 1 to Break load Products are constantly being improved Designs dimensions capacities and weights are subject to variation SELBY ENGINEERING AND LIFTING SAFETY LTD Tel 44 0 1977 684 600 Email sales liftingsafety co uk LIFTING EQUIPMENT AND HEIGHT SAFETY SPECIALISTS Pe LIFTINGSAFETY J Hook Clamp S Series Welded Release Manual release for horizontal use The S Series is securely mounted to a stainless steel dish This stable base allows the unit to function dependably above seine gear during purse seine welded release applications Low kick back quiet operation and a safe hitch pin securement are key elements for welded release operations Hook Clamp LS LM Series Manual release large and extra large jaw This is a modified LS series provided with a front jaw enlarged to receive up to 3 4 fibre line such as a fibre forerunner Additional side plates at the jaw area help spread the load and prevent line chafing Useful applications include tug barge connections and emergency releasing at port terminals Hook Clamp HYDRA Series Hydraulic Ram release with manual back up This Hook Clamp is fitted with a hydraulic cylinder mounted below the device This set up can be used to replace a hydraulic release shackle or hydraulic shackle Above the cylinder is a plunger which penetrates through a hole in the body below the toggle pin When
3. 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 K g LIF TINGSAFETY mm Y Tel 44 0 1977 684 600 Email sales liftingsafety co uk y LIFTING EQUIPMENT AND HEIGHT SAFETY SPECIALISTS Hook Clamp Users Manual Break Part N Recommended A B c D E F G SWL load Weight Shackle Size kg kg kg Ne Keyring 952 444 4 76 181 75 NOT RATED 0 36 722955 4193 1 4 11 93 7 87 10 41 73 39 4 57 9 39 49 78 589 2902 0 14 Raa 4193 7 16 19 05 127 17 52 1143 635 413 97 795 1 451 7 529 0 58 a 3 6 4193 5 8 26 92 19 05 25 4 168 14 9 65 20 57 115 82 3 193 15966 1 81 Ea a 3 4 31 75 22 09 30 22 195 07 10 92 23 62 140 46 4 336 21 708 2 85 4193 1 42 92 287 414 1247 65 14 22 30 73 174 49 7 184 35 924 5 67 Lie Kicap 1 3 8 57 15 381 5384 334 01 19 05 41 4 232 41 12 700 63 502 14 5 ee 4 1 2 60 45 481 14 57 15 361 95 20 57 45 21 251 96 14 905 74 525 18 14 oo 1 3 4 73 15 50 8 69 85 446 02 25 4 54 86 310 13 22 770 113 851 31 2 722963 ce o 82 55 57 15 79 5 501 14 28 44 62 48 349 25 28 748 143 743 48 98 Eda 2 1 2 1049 69 85 98 55 612 9 34 79 76 45 426 97 42 973 214 866 89 35 one 3 127 82 55 120 65 782 06 44
4. e are the alternative methods for releasing the shackle Manually pulling a long release line No modification of the device is required This method is mainly used with lower capacity models offers the lowest cost and has many satisfied users By winch line using a winch and cable such as used with a deck mounted crane to apply a load pulling against the release lever No modification of the device is required for this method Hydraulically paying out the load against a fixed length bulknead mounted release cable Using a clevis instead of a shackle a bulkhead mounted hydraulic ram is attached to the rear end of the horizontally positioned devise to pull it back after the unit is locked The release cable is then secured to the bulkhead and when release is desired the hydraulic ram is actuated allowing the Remote load release device to move toward the load and eventually against the secured release cable and the load releases the unit This method allows the instalment of a pressure gauge into the hydraulic system to determine the actual tensile load being released No modification of the device is required Explosive electric squib thrusters inserted into a special chamber below the toggle pin are used successfully to activate the device Hydraulic pressure to drive a hydraulic cylinder to actuate the release lever of the Remote load release device is being used with the device ram models These units can be activated by hydraulic hand pum
5. ee above 7 186kg 65 kg can be adjusted see above 12 6kg 117kg can be adjusted see above 14 902kg 136 53kg can be adjusted see above 22 10kg 208kg can be adjusted see above 28 4 kg 263kg can be adjusted see above 42 9 75kg 393kg can be adjusted see above 69 960kg 640kg can be adjusted see above RELEASE Adjusting The Effort Required to Operate the Manual release lever Remote load release device Over Centre Pressure Adjustment 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 centre 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 centre be reduced a suggestion is to 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 material Should the user require that the effort to lock the release lever of the device over centre be increased a suggestion is to increase the thickness of the material between the two surfaces by applying a centre punch mark in the area of the jaw where the surfaces meet Should there still be insufficient material to
6. eleasing more than its rated load Do not side load the Hook Clamp 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 Hook Clamp 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 Do not mount the Hook Clamp such that the mounting fixture damages the unit while in use This could cause loss of parts and unit malfunction Maintenance Inspection of the Hook Clamp device is advised after each use After use in or near sea water a fresh water rinse of the Hook Clamp is advised before the device is stored Pivot pins may require periodic re lubrication gt LIF TINGSAFETY SELBY ENGINEERING AND LIFTING SAFETY LTD Tel 44 0 1977 684 600 Email sales liftingsafety co uk LIFTING EQUIPMENT AND HEIGHT SAFETY SPECIALISTS LEJ Load Release Effort Estimated Effort To Release Load Detailed below are the figures of the estimated effort required to release a load at full capacity This effort can be adjusted by following the instructions below Estimated Effort To Pull Lanyard To Release Capacity Load Safe Working Load Can be adjusted 590kg 3 62kg can be adjusted see above 1 507kg 8 61kg can be adjusted see above 3 194kg 18 14kg can be adjusted see above 4 342kg 39 91kg can be adjusted s
7. ing Secure the shackle by closing the release lever to the locked position and firmly lock the toggle pin over centre with a vice grip like snap The shackle is now held firmly locked even with no load on the device The safety pin Hitch pin can be reinserted to prevent inadvertent release The Hook Clamp is now ready to be loaded Once the safety hitch pin is removed the Hook Clamp is armed and ready to be released Either to set down a load or to drop a load in a controlled manor as a drop test dropping clamp k g LIF TINGSAFETY mm Y Tel 44 0 1977 684 600 Email sales liftingsafety co uk LIFTING EQUIPMENT AND HEIGHT SAFETY SPECIALISTS Device Releasing Manual release of the loaded Hook Clamp is activated by first removing the safety hitch pin This is done either manually directly by hand or by a pull cord attached to the spring loaded safety hitch pin ie remotely and safety from a distance The safety hitch pin release cord can be activated from any direction Once the safety hitch pin has been removed the clamp is loaded or Live and pulling the cord attached to the release lever WILL DROP RELEASE the load Pulling firmly on a release line connected to the end of the release lever also means that the operator can safety release the load away from the danger area The release line can be activated Directly in any direction within the 90 degrees perpendicular and parallel to the line
8. nd performance of the products manufactured by Selby Engineering amp Lifting Safety Itd 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 Selby Engineering amp Lifting Safety Itd it is the obligation of the owner and or the equipment operator to carefully read and understand the Hook Clamp s 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 Selby Engineering amp Lifting Safety Itd is limited to the cost of repairing or replacing the failed product or component at the discretion of Selby Engineering amp Lifting Safety Itd either within or outside of warranty periods and does not extend to any loss or damage which may be caused as a consequence of misuse or failure of the equipment or products Selby Engineering amp Lifting Safety Itd 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 Selby Engineering amp Lifting Safety Itd the owner and or the equipment operator agrees to the terms of this Disclaimer
9. of load The Standard release lever can also be operated from above the load as shown in the diagram below with the use of a suitable pulley effectively giving 180 degree operation The Hook Clamp can release the load with or without load on the unit providing the safety hitch pin is removed The use of the hitch pin is not required to secure the device in the locked position It is an added secondary safety measure preventing inadvertent release A safety hitch pin is provided with each unit The standard safety hitch pin is not spring loaded for remote operation from distance by a pull cord Safety Pin Lanyard Swe R Clip Ws j Ca z ye Ww l 4 A QJ Ha i asian aans iki tai at ais fi f a rah d PAS A lt SAN re a p gt Ww k PE A z r AEN e _ Spring compressed gt LIF TINGSAFETY SELBY ENGINEERING AND LIFTING SAFETY LTD Tel 44 0 1977 684 600 Email sales liftingsafety co uk LIFTING EQUIPMENT AND HEIGHT SAFETY SPECIALISTS CRANE CRANE CRANE m iat HOOK lii PULLEY HOOKCLAMP HOOKCLAMP i JOOKCLAMP A l DANAS ERN RELEASE LINE LOAD gt RELEASE LOAD LINE ae a T PULLEY allows for release below AR UAAS Must be adjacent or below the HookClamp HookClamp to release Standard Lever Reverse Lever Standard Lever with Pulley Alternative Methods of Release Thes
10. p air hydraulic foot pump or electric pump Air Cylinders Pneumatics compresses air provide another method of release and are fitted for activation using shop air at 60 to 100 PSI The Pneumatic cylinder pushes the release lever activating the HookClamp to release the load Radio remote control Using a low voltage actuator attached to the HookClamp to remotely activate the release lever The actuator is activated from a safe distance by radio remote control hand set This is a development item and will be available in the near future aaan LIF TINGSAFETY SELBY ENGINEERING AND LIFTING SAFETY LTD Tel 44 0 1977 684 600 Email sales liftingsafety co uk LIFTING EQUIPMENT AND HEIGHT SAFETY SPECIALISTS LS Warnings Before operating the Hook Clamp device please heed these warnings Improper use of the Hook Clamp device may cause injury The safety hitch pin must be used to prevent inadvertent release On a fully loaded Hook Clamp with the safety hitch pin removed do not use the release line as a tag line to steer the load 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 Do not exceed load capacity of this device Choose the proper size Hook Clamp so that it is not loaded with or r
11. this hydraulic system is activated the cylinder pushes through the plunger and the toggle pin forcing the Clamp to release the shackle or other rigging gear The Hydraulic shackle release Hook Clamp range can be operated remotely by a single 1 4 hydraulic hose Can be operated by manual hand pump remote accumulator or power pack HPU Most commonly used for subsea offshore applications for hydraulic release of shackles Hook Clamp PNU Series Pheumatic release with manual back up The PNU Series Hook Clamp is fitted with a compressed air cylinder Pneumatic ram and allows for air pressure to release the load The Air Cylinders operate at 60 to 100 PSI Pe LIF TINGSAFETY SELBY ENGINEERING AND LIFTING SAFETY LTD Tel 44 0 1977 684 600 Email sales liftingsafety co uk LIFTING EQUIPMENT AND HEIGHT SAFETY SPECIALISTS Hook Clamp IB IBT Series Explosive charge release with manual back u The IB IBT Series Hook Clamps feature either a squib or squib fired thruster and are generally operated electrically and remotely The Squib Thruster offers a safe split second Threaded iat _theodeq TElease activation and the standard release lever is still i se ee chamber available for further use Squib activation is less expensive capthneter than the Thruster however thrusters offer a greater reliability I i a a 5 Screw 1 Threaded Product Disclaimer The specifications information a
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