Instructions for Continued Airworthiness Part Number 200-281
Contents
1. 2 The strain on the conduit exceeds the pull off force between the swaged fitting 0 and the conduit O ol A 4 ej ERT C3 ii 3 The swaged joint fails and allows the inner cable to activate the hook s mechanical release mechanism and the hook opens 4 The load ring falls free in an un commanded load release 25 1 Cargo Hook Connector Listed below is the pin out for the cargo hook connector Table 25 1 1 Cargo Hook Connector Function x oon B Positive Revision 0 25 00 00 Page 1 03 05 10 Instructions for Continued Airworthiness 123 013 02 25 2 Description The primary components of the 200 281 03 Cargo Hook Kit are see Figure 25 2 1 and Table 25 2 1 for identification 1 The Cargo Hook which attaches to the AS350 swing suspension through a supplied adapter link bumper assembly 2 A manual release cable which interfaces with the helicopter s existing fixed manual release cable 3 A bumper which provides protection for the manual and electrical release cables 4 An electrical connector which is supplied to splice into and interface with the helicopter s electrical release system Figure 25 2 1 Primary Kit Components Table 25 2 1 Primary Kit Components Item Part No Description 1 232 149 00 Link Bumper Assembly 2 528 029 00 Talon LC 3 6K Cargo Ho2. 1 2 Manual Release Cable Inspection Pay close attention to this area of the manual release cable 8 Remove the manual release cover from the cargo hook and inspect the visible section of the inner cable for kinks or frays Manual release cables are wearable items and must be replaced as condition requires Broken or kinked conduit inner cable kinks ref Figure 5 1 3 frays or sticky operation are each cause for immediate replacement Figure 5 1 3 Manual Release Cable Conditions Kinked inner cable Broken or kinked conduit Revision 1 05 00 00 Page 3 07 25 12 Instructions for Continued Airworthiness 123 013 02 5 1 Cargo Hook Kit Inspection Schedule continued At cargo hook overhaul see section 5 2 for schedule remove the kit components from the helicopter disassemble and inspect the component parts except cargo hook per this section Refer to CMM 122 005 00 for cargo hook overhaul instructions Disassemble the Link Bumper Assembly referring to the figure below The bushings do not need to be pressed out of the Link unless they need to be replaced per the criteria in Table 5 1 1 Figure 5 1 4 Link Bumper Assembly Components Link P N 290 771 00 Washer Bushi P N 510 183 00 ee P N 517 052 00 Va Bushing Attach Bolt i P N 290 364 00 P N 290 775 00 Washer P N 510 183 00 Coa Lan P N 510 178 00 Hook Bumper PIN 290 73 00 Washer P N
3. 25 15 1 Trouble Shooting Section 25 Page 4 Revision 1 07 25 12 Section 0 Introduction 0 4 Scope 0 5 Purpose 0 6 Arrangement 0 7 Applicability 0 9 Abbreviations Revision 0 03 05 10 Instructions for Continued Airworthiness 123 013 02 The following information is necessary to carry out the service maintenance and inspection of the Cargo Hook Kit P N 200 281 03 Cargo Hook Kit P N 200 281 03 is a replacement cargo hook kit see Section 25 2 for detailed kit description which uses the existing Eurocopter swing suspension and the fixed provisions including internal electrical wiring and manual release cable Refer to appropriate Eurocopter maintenance documentation for those components which interface with the P N 200 281 03 cargo hook kit The purpose of this Instructions for Continued Airworthiness ICA manual is to provide the information necessary to inspect service and maintain in an airworthy condition the P N 200 281 03 Cargo Hook Kit This manual contains instructions for the service maintenance inspection and operation of the Cargo Hook Kit P N 200 281 03 on Eurocopter Model AS350 helicopters The manual is arranged in the general order that maintenance personnel would use to install maintain and operate the Cargo Hook in service The arrangement is Section 0 Introduction Section 4 Airworthiness limitations None apply to this System Section5 Inspection and overhaul schedule Section 25 Equipment a
4. 5 1 Refer to Eurocopter manual for location of cargo hook Table 25 5 1 Component Weights Weight P N 200 281 03 4 7 lbs 2 2 kgs 25 12 Storage Instructions Revision 0 03 05 10 Clean the exterior Cargo Hook components thoroughly of excess dirt and grease with a rag before packaging Pack the unit in a heat sealable package If the unit is to be stored for long periods in a tropical climate it should be packed in a reliable manner to suit local conditions Refer to MIL PRF 23199 and MIL STD 2073 1 for additional guidance Package the unit in a suitable fiberboard box and cushion the unit to prevent shifting Seal the fiberboard box with tape and mark the box with the contents and date of packaging 25 00 00 Page 3 Instructions for Continued Airworthiness 25 15 Troubleshooting 123 013 02 Table 25 15 1 is provided with the intention of isolating the cause of malfunctions within the system Sections 25 16 and 25 17 include instructions for removing and replacing defective components Refer to the appropriate Eurocopter maintenance for guidance on procedures relating to Eurocopter parts that interface with the cargo hook and adapter cable Table 25 15 1 Troubleshooting MALFUNCTION PROBABLE CAUSE CORRECTIVE ACTION Cargo hook does not operate electrically manual cable release operates normally Open electrical circuit faulty wiring fuse switch or solenoid Cargo hook does not operate Defective internal mechanism
5. 510 174 00 Nut P N 510 170 00 05 00 00 Page 4 Revision 1 07 25 12 5 1 Cargo Hook Kit Inspection Schedule continued Instructions for Continued Airworthiness 123 013 02 Carefully inspect and if necessary repair the detail parts in accordance with the instructions in Table 5 1 1 Table 5 1 1 Link Bumper Assembly Inspection Criteria Component Damage Permitted without Repair Maximum Damage which Causes Repair Replacement Link Dents gouges and scratches less Blend at 20 1 ratio length to depth to Dents gouges and scratches greater than 030 P N 290 771 00 than 010 deep provide smooth transitions Visible cracks Bushing These bushings have a Teflon type None If copper is visible over more than 50 of the P N 517 052 00 film overlaid on a layer of sintered bushing wear area remove and replace the copper Teflon film still covers bushing more than 50 of the bushing wear area Bumper Gouges less than 060 deep None Gouges greater than 060 deep P N 290 773 00 Attach Bolt Wear on outside diameter diameter None Wear on outside diameter diameter less than P N 290 775 00 greater than 495 495 Visible cracks Bushing Wear on inside diameter diameter None Wear on inside diameter diameter greater than P N 290 364 00 less than 510 510 Revision 1 07 25 12 05 00 00 Page 5 Instructions for Continued Airworthiness 123
6. a minimum of 125 inches 3 2 mm between the cable ball end and fork fitting as shown in Figure 25 17 4 The maximum amount of free play is limited by the manual release cover i e the ball end must fit inside the manual release cover when it is installed If necessary adjust the manual release cable system to obtain a minimum of 125 inches 3 2 mm Some adjustment can be made at the cargo hook by loosening the jam nut and turning the manual release cable or cargo hook in the required direction and re tightening the jam nut Ensure the manual release cable fitting threads maintain full thread engagement with the cargo hook side plate boss i e the end of the threads should not be recessed within the boss Re install the manual release cover with the two screws Figure 25 17 4 Manual Release Cable Rigging Manual Release Cable Release Lever Fork Load beam must be closed and locked for rigging 25 00 00 Page 10 Revision 0 3 05 10 Instructions for Continued Airworthiness 123 013 02 25 18 General Procedural Instructions Testing After re installation perform the following 1 Activate the electrical system and press the Cargo Release button to ensure the cargo hook electrical release system is operating correctly The cargo hook must release Reset the cargo hook by hand after release If the hook does not release or re latch do not use the unit until the problem is resolved Actuating the electrical r
7. is available on the web site Registering for this service provides an e mail or fax notification when a manual has been revised Hard copies of all manuals are available from the factory contact the factory at 800 275 0883 to request a copy Revision 0 03 05 10 Section 4 Instructions for Continued Airworthiness 123 013 02 Airworthiness Limitations 4 2 No Airworthiness Limitations Revision 0 03 05 10 The Airworthiness Limitations section is FAA approved and specifies maintenance required under 14 CFR 43 16 and 91 403 unless an alternative program has been FAA approved No airworthiness limitations are associated with this type design change 04 00 00 Page 1 Instructions for Continued Airworthiness 123 013 02 THIS PAGE INTENTIONALLY LEFT BLANK 04 00 00 Page 2 Revision 0 03 05 10 Section 5 Instructions for Continued Airworthiness 123 013 02 Inspection and Overhaul Schedule 5 1 Cargo Hook Kit Inspection Schedule Revision 1 07 25 12 The scheduled inspection interval s presented below are maximums and are not to be exceeded If the cargo hook is subjected to unusual circumstances extreme environmental conditions etc it is the responsibility of the operator to perform the inspections more frequently to ensure proper operation Refer to cargo hook component maintenance manual 122 017 00 for damage and wear tolerances Annually or 100 hours of external load operations whichever comes
8. the release cable is connected in order to verify proper setting Figure 25 17 2 Manual Release Cable Adjustment boss Manual Release Cable fitting Approx 125 in 3 2mm Connect the other end of the release cable to the fixed section of the existing AS350 manual release cable by mating the cable end fittings together as shown below Slide the Adapter Fitting forward and thread it onto the existing AS350 fitting and engage a castellation on the Adapter Fitting with the retaining pin to lock it in place Figure 25 17 3 Manual Release Cable Connection CABLE END FITTINGS FIXED CABLE K x ie HERR i Orr nee a AAAA WEY EXISTING AS350B3 ADAPTER FITTING ADAPTER FITTING 25 00 00 Page 9 Instructions for Continued Airworthiness 123 013 02 25 17 Component Re installation continued Cargo Hook Re installation 4 At the cargo hook place the cable ball end fitting into the manual release lever fork as illustrated in Figure 25 17 4 7 Manual release cable rigging must be done with the cargo hook in the closed and locked position With the cargo hook in the closed and locked position rotate the release lever in the clockwise direction to remove free play the free play is taken up when the hook lock indicator begins to move and measure the cable ball end free play with the manual release lever in the cockpit in the non release position There must be
9. 013 02 5 2 Cargo Hook Kit Overhaul Schedule Overhaul the cargo hook in accordance with the guidelines below Time Between Overhaul TBO 1000 hours of external load operations or 5 years whichever comes first NOTICE Hours of external load operations should be interpreted to be 1 anything is attached to the primary cargo hook whether or not a useful load is being transported and 2 the aircraft is flying If these conditions are NOT met time does NOT need to be tracked Overhaul the cargo hook per component maintenance manual 122 017 00 Contact Onboard Systems for guidance in locating authorized overhaul facilities 05 00 00 Page 6 Revision 1 07 25 12 Instructions for Continued Airworthiness 123 013 02 Section 25 Equipment and Furnishings Un commanded cargo hook release will happen if the manual release cable is improperly restrained The cable must not be the stops that prevent the Cargo Hook from swinging freely in all directions If the Cargo Hook loads cause the hook to strain against the manual release cable the swaged end of the cable may separate allowing the inner cable to activate the cargo hook manual release mechanism The result is an un commanded_ release Ensure that no combination of cyclic stick or Cargo Hook position is restrained by the manual release cable Figure 25 1 Un commanded cargo hook release 1 Cargo hook rotates and strains against the manual release cable conduit
10. Indicator Cover Lock Indicator Lock Indicator O rk s onk ACCEPTABLE NOT ACCEPTABLE LOCK INDICATOR DIAMOND LOCK INDICATOR DIAMOND IS NOT VISIBLE OR IS IS ALIGNED WITH ENGRAVED VISIBLE BUT IS NOT ALIGNED WITH ENGRAVED LINES ON THE COVER LINES ON THE COVER AS SHOWN ABOVE 3 Move the cargo hook throughout its full range of motion to ensure the manual release cable and electrical harnesses have enough slack The manual release cable or electrical harnesses must not be the stops that prevent the cargo hook from swinging freely in all directions 4 Visually inspect for presence and security of fasteners and electrical connections 5 Visually inspect the cargo hook side plates and covers for damage including cracks gouges and nicks refer to the cargo hook component maintenance manual CMM for damage limits 6 Visually inspect the cargo hook load beam for damage including cracks wear gouges and nicks refer to the cargo hook CMM for damage limits 05 00 00 Page 2 Revision 1 07 25 12 Instructions for Continued Airworthiness 123 013 02 5 1 Cargo Hook Kit mepe on Schedule continued Visually inspect the manual release cable for damage paying close attention to the flexible conduit at the area of transition to the cargo hook end fitting refer to Figure 5 1 2 Inspect for splitting of the outer black conduit in this area and separation of the conduit from the steel end fitting Figure 5
11. Instructions for Continued Airworthiness 123 013 02 gt C OR NBO ARDSYS svEMS cOM I His MANU AL yww 0 ATW iB SI TEA F pLEASE CHECK ATE gr REVISION 0 Instructions for Continued Airworthiness Cargo Hook Kit for the Eurocopter AS350 Series Helicopter Part Number 200 281 03 STC SRO1166SE Z CONBOARD SYSTEMS I N TERNATIONAL 13915 NW 3 Court Vancouver Washington 98685 USA Phone 360 546 3072 Fax 360 546 3073 Toll Free 800 275 0883 www OnboardSystems com Revision 1 Page i 07 25 12 Instructions for Continued Airworthiness 123 013 02 THIS PAGE INTENTIONALLY LEFT BLANK Page ii Revision 1 07 25 12 Revision Date Instructions for Continued Airworthiness 123 013 02 Record of Revisions Page s Reason for Revision 03 05 10 All Initial Release 07 25 12 Section 5 Expanded annual 100 hour inspection of manual release cable added details for 1000 hour 5 year inspection of Link Bumper Assembly Register Your Products for Automatic Notifications Onboard Systems offers a free notification service via fax or email for product alerts and documentation updates By registering your Onboard Systems products at our website we will be able to contact you if a service bulletin is issued or if the documentation is updated You can choose to receive notices on an immediate weekly or monthly schedule v
12. ach the Cargo Hook P N 528 029 00 and Cargo Hook Bumper P N 290 773 00 to the Adapter Link on the swing suspension system with the Attach Bolt P N 290 775 00 and washer P N 510 183 00 as illustrated in Figure 25 5 2 Install washer P N 510 183 00 and washer P N 510 174 00 over bolt end 3 Tighten nut P N 510 170 00 on the Attach Bolt to finger tight then rotate nut to next castellation to install and secure cotter pin P N 510 178 00 Figure 25 17 1 Cargo Hook Attachment Hardware cotter Pin QW P N 510 178 00 Nut P N 510 170 00 Washer Washer P N 510 174 00 P N 510 183 00 Washer Attach Bolt P N 510 183 00 P N 290 775 00 Cargo Hook Bumper P N 290 773 00 Up Fwd Right The Cargo Hook Load Beam must point to the left side of the helicopter when looking from the rear Revision 0 03 05 10 Instructions for Continued Airworthiness 123 013 02 25 17 Component Re installation continued Connect the manual release cable P N 268 024 02 to the cargo hook per the following instructions Revision 0 03 05 10 1 Remove the manual release cover from the cargo hook see Figure 25 16 2 Thread the fitting at the end of the manual release cable into the manual release boss on the hook side plate until the threads protrude approximately 125 inches beyond the boss and secure with jam nut as shown in Figure 25 17 2 Leave the cover off of the cargo hook until the other end of
13. adapter fitting to expose and disengage the cable end fittings Figure 25 16 1 Manual Release Cable Connection aa end fittings Fred cabl Soa O a ee Existing AS350 Adapter Fitting adapter fitting At the other end of the cable at the cargo hook remove the two screws that secure the manual release cover to the hook see below unhook the cable ball end from the fork fitting and unthread the manual release cable from the cargo hook Figure 25 16 2 Manual Release Cover Removal Remove these two screws 25 00 00 Page 6 Revision 0 03 05 10 Instructions for Continued Airworthiness 123 013 02 25 16 Component Removal continued Electrical Connector Removal The kit supplied connector P N 230 077 00 replaces the connector on the end of the Eurocopter external harness 1 Loosen the set screw on the backshell 2 Unthread the backshell from the connector base to expose the solder contacts and de solder the wires 3 Cut safety wire and unthread the connector base from the cargo hook connector Figure 25 16 3 Cargo Hook Connector Electrical Connector P N 230 077 00 Revision 0 25 00 00 Page 7 03 05 10 Instructions for Continued Airworthiness 123 013 02 25 17 Component Re installation Cargo Hook Re installation 25 00 00 Page 8 1 Att
14. elease switch continuously in excess of 20 seconds will cause the cargo hook release solenoid to overheat possibly causing permanent damage 2 Activate the manual release system by pulling the release lever in the cockpit The cargo hook must release Reset the cargo hook by hand after release Verify that the hook lock indicator on the side of the hook returns to the fully locked position If the hook does not release or re latch do not use the unit until the problem is resolved In the fully locked position the hook lock indicator must align with the lines on the manual release cover see Figure 5 1 1 3 Swing the installed cargo hook and the suspension to ensure that the manual release cable and the electrical release harness have enough slack to allow full swing of the cargo hook and suspension assembly without straining or damaging the cable or harness The cable or harness must not be the stops that prevent the Cargo Hook from swinging freely in all directions Revision 0 25 00 00 Page 11 03 05 10
15. electrically or manually Cargo hook operates electrically Defective manual release cable but not manually Load beam fails to re latch after Defective latch mechanism being reset Cargo hook manual release cable Friction in internal mechanism pull off force exceeds 8 Lbs at the hook Defective manual release system Disconnect cable from electrical connector on cargo hook Using multi meter check for 3 0 to 4 0 ohms between pins A and B of electrical connector see note 1 If open indication is obtained remove and replace cargo hook see sections 25 16 and 25 17 Remove and replace cargo hook see sections 25 16 and 25 17 or repair per cargo hook service manual 122 017 00 Check manual release cable and cable connection to cargo hook remove and replace manual release cable per sections 25 16 and 25 17 Remove and replace cargo hook see sections 25 16 and 25 17 or repair per cargo hook service manual 122 017 00 Remove and replace cargo hook see sections 25 16 and 25 17 or repair per cargo hook service manual 122 017 00 Check operation of unit using manual release lever Remove and replace cargo hook see sections 25 16 and 25 17 or repair per cargo hook service manual 122 017 00 Visibly loose fasteners or missing Visibly loose fasteners or missing Re torque and re install locking pins per locking pins locking pins installation instructions Failure to open or re lock properly Failure to ope
16. first inspect the cargo hook kit per the following NOTICE Hours of external load operations should be interpreted to be 1 anything is attached to the primary cargo hook whether or not a useful load is being transported and 2 the aircraft is flying If these conditions are NOT met time does NOT need to be tracked 1 Activate the electrical system and press the Cargo Release button to ensure the cargo hook electrical release system is operating correctly The cargo hook must release Reset the cargo hook by hand after release If the hook does not release or re latch do not use the unit until the problem is resolved Actuating the electrical release switch continuously in excess of 20 seconds will cause the cargo hook release solenoid to overheat possibly causing permanent damage 2 Activate the manual release system by pulling the release lever in the cockpit The cargo hook must release Reset the cargo hook by hand after release Verify that the hook lock indicator on the side of the hook returns to the fully locked position see Figure 5 1 1 If the hook does not release or re latch do not use the unit until the problem is resolved 05 00 00 Page 1 Instructions for Continued Airworthiness 123 013 02 5 1 Cargo Hook Kit Inspection Schedule continued In the fully locked position the hook lock indicator must align with the lines on the manual release cover see Figure 5 1 1 Figure 5 1 1 Hook Lock
17. ia fax email or both methods There is no charge for this service Please visit our website at www onboardsystems com notify php to get started Revision 1 07 25 12 Page iii Instructions for Continued Airworthiness 123 013 02 THIS PAGE INTENTIONALLY LEFT BLANK Page iv Revision 1 07 25 12 Instructions for Continued Airworthiness 123 013 02 List of Effective Pages Title Pages Revision Cover i ii Blank 1 Record of Revisions iii iv Blank 1 List of Effective Pages v vi Blank 1 Table of Contents vii viii 1 Section 0 Introduction 00 00 00 1 2 0 Section 4 Airworthiness Limitations 04 00 00 1 2 Blank 0 Section 5 Inspection and Overhaul Schedule 05 00 00 1 thru 6 1 Section 25 Operation Instructions 25 00 00 1 thru 11 0 Revision 1 Page v 07 25 12 Instructions for Continued Airworthiness 123 013 02 THIS PAGE INTENTIONALLY LEFT BLANK Page vi Revision 1 07 25 12 CONTENTS Revision 1 07 25 12 Identification Section 0 Section 4 Section 5 Section 25 Figures Instructions for Continued Airworthiness 123 013 02 Title Page Introduction 00 00 00 0 4 Scope 1 0 5 Purpose 1 0 6 Arrangement 1 0 7 Applicability 1 0 9 Abbreviations 1 0 12 Precautions 2 0 19 Distribution of Instructions for Continued Airworthiness 2 Airworthiness Limitations 04 00 00 4 2 No airworthiness Limitations 1 Inspection and Overhaul Schedule 05 00 00 5 1 Carg
18. n or re lock properly Remove and replace cargo hook see sections 25 16 and 25 17 or repair per cargo hook service manual 122 017 00 Fuse opens when cargo hook is Short in the system faulty Check for shorts to ground Check energized wiring fuse or solenoid solenoid resistance see note 1 25 00 00 Page 4 Revision 0 03 05 10 Instructions for Continued Airworthiness 123 013 02 Notes 1 Checking resistance at pins A and B Check for 3 0 to 4 0 ohms between pins A and B of electrical connector located on the cargo hook see below Figure 25 15 1 Cargo Hook Electrical Connector SECTION A A SCALE 3 1 Revision 0 25 00 00 Page 5 03 05 10 Instructions for Continued Airworthiness 123 013 02 25 16 Component Removal Cargo Hook Removal 1 2 5 6 7 Remove manual release cover by removing 2 screws Loosen jam nut and unthread the manual release cable from the Cargo Hook Disconnect the electrical release connector at the cargo hook Remove the cotter pin P N 510 178 00 from the Attach Bolt P N 290 775 00 reference Figure 25 17 1 Remove the castellated nut P N 510 170 00 from the Attach Bolt Remove Attach Bolt and all washers Remove cargo hook Manual Release Cable Removal 1 Disconnect the cable at the joint with the fixed manual release cable on the belly of the helicopter by disengaging the retaining pin and unthreading the
19. nd Furnishings These Instructions for Continued Airworthiness are applicable to Cargo Hook Kit P N 200 281 03 with Cargo Hook P N 528 029 00 for the Eurocopter AS350B3 helicopter Refer to the appropriate Eurocopter ICA for instructions regarding parts of the aircraft that interface with the P N 200 28 1 03 system FAA Federal Aviation Administration ICA Instructions for Continued Airworthiness CFR Code of Federal Regulations 00 00 00 Page 1 0 12 Precautions Instructions for Continued Airworthiness 123 013 02 The following definitions apply to precaution flags used in this manual Indicates a hazardous situation which if not fi D AN G E F avoided will result in death or serious injury Indicates a hazardous situation which if not avoided could result in death or serious injury Indicates a hazardous situation which if not avoided could result in minor or moderate injury Draws the reader s attention to important or N O TIC f unusual information not directly related to safety Used to address practices not related to personal injury 0 19 Distribution of Instructions for Continued Airworthiness 00 00 00 Page 2 Before performing maintenance ensure that the Instructions for Continued Airworthiness ICA in your possession is the most recent revision Current revision levels of all manuals are posted on Onboard Systems Int l web site at www onboardsystems com Also a Documentation Update Service
20. o Hook Kit Inspection Schedule 1 5 2 Cargo Hook Kit Overhaul Schedule 6 Equipment and Furnishings 25 00 00 25 1 Cargo Hook Connector 1 25 2 Description 2 25 5 Component Weights 3 25 12 Storage Instructions 3 25 15 Trouble Shooting 4 25 16 Component Removal 6 25 17 Component Re installation 8 25 18 General Procedures Instructions Testing 11 5 1 1 Hook Lock Indicator Section 5 Page 2 5 1 2 Manual Release Cable Inspection Section 5 Page 3 5 1 3 Manual Release Cable Conditions Section 5 Page 3 5 1 4 Link Bumper Assembly Components Section 5 Page 4 25 1 Un commanded cargo hook release Section 25 Page 1 25 2 1 Primary Kit Components Section 25 Page 2 25 2 2 Cargo Hook Overview Section 25 Page 3 25 15 1 Cargo Hook Electrical Connector Section 25 Page 5 25 16 1 Manual Release Cable Connection Section 25 Page 6 25 16 2 Manual Release Cover Removal Section 25 Page 6 25 16 3 Cargo Hook Connector Section 25 Page 7 25 17 1 Cargo Hook Attachment Hardware Section 25 Page 8 25 17 2 Manual Release Cable Adjustment Section 25 Page 9 25 17 3 Manual Release Cable Connection Section 25 Page 9 25 17 4 Manual Release Cable Rigging Section 25 Page 10 Page vii Instructions for Continued Airworthiness 123 013 02 CON T EN T S continued Page viii Tables 5 1 1 Link Bumper Assembly Inspection Criteria Section 5 Page 5 25 1 1 Cargo Hook Connector Section 25 Page 1 25 5 1 Component Weights Section 25 Page 2
21. ok Assembly 3 230 077 00 Connector Assembly 4 268 024 02 Manual Release Cable Assembly A load is attached to the cargo hook by passing a load ring into the throat of the load beam and pushing the ring against the upper portion of the load beam throat see Figure 25 2 2 which will initiate the hook to close In the closed position a latch engages the load beam and latches it in this position A load release can be initiated by three different methods Normal release is achieved by pilot actuation of a push button switch in the cockpit When the push button switch is pressed it energizes the solenoid in the cargo hook and the solenoid opens the latch in the internal mechanism 25 00 00 Page 2 Revision 0 03 05 10 Instructions for Continued Airworthiness 123 013 02 25 2 Description continued In the event of an electrical failure load release can be achieved by operating the manual release cable The release cable actuates the internal mechanism of the cargo hook to unlatch the load beam A rigging window provides a means to verify the manual release cable setting with respect to the internal mechanism Ground personnel can also release the load by actuating a manual release lever located on the side of the cargo hook see Figure 25 2 2 Figure 25 2 2 Cargo Hook Overview Manual Release Lever Rigging window 25 5 Component Weights The weight of the system is listed in Table 25
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