Harken 7512.10 Installation Manual Download

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MKIV OCEAN - JIB REEFING & FURLING

Unit 2

Installation Manual – Intended for specialized personnel or expert users

5391 03/21

Preassembly

Safety Precautions/Parts Description

Sizing Check

Parts 4

Rigging Parts Check/Tools

Dimensions/Sailmaker's Instructions

Toggle Deductions/Stay Into Foil Options

Top Foil Length

Short Top Foil

Confirm Foil Length

Assembly

Foils/Connectors 11–14

Halyard Swivel and Drum Assembly

Rod Rigging

Turnbuckle/Toggle

17–18

Final/Feeder

19–20

Commissioning

Turnbuckle 21

Lead Line to Cockpit

Halyard Wrap/Prevent Halyard Wrap

Pendant/Halyard Restrainer/ Halyard Tension 24

Operation

Spinnaker

Halyards/Headstay and Backstay Tension

Raise Sails

Furl/Reef

26–27

Secure Sail

Maintenance

Clean/Inspect 28

Replace Line

Storage/Remove Furler

Troubleshooting/Warranty 29

Parts Lists

30-31

Contact Harken 32

Summary of Contents for 7512.10

Page 1: ...ols 5 Dimensions Sailmaker s Instructions 6 Toggle Deductions Stay Into Foil Options 7 Top Foil Length 8 Short Top Foil 9 Confirm Foil Length 10 Assembly Foils Connectors 11 14 Halyard Swivel and Drum Assembly 15 Rod Rigging 16 Turnbuckle Toggle 17 18 Final Feeder 19 20 Commissioning Turnbuckle 21 Lead Line to Cockpit 22 Halyard Wrap Prevent Halyard Wrap 23 Pendant Halyard Restrainer Halyard Tensi...

Page 2: ...boats to reduce sail size or to completely roll so wind has little effect on the sail Use of this product for other than normal sailboat applications is not covered by the limited warranty Safety Precautions WARNING This symbol alerts you to potential hazards that may kill or hurt you and others if you don t follow instructions The message will tell you how to reduce the chance of injury 4 1 2 3 5...

Page 3: ...12 10 MKIV OCEAN Unit 2 5 16 3 8 8 mm 10 mm Rod Sizes 12 17 7 14 mm 8 38 mm Toggle Part No Description Chainplate Clevis Pin Size 7412 20 5 8 Eye jaw reversible 5 8 15 9 mm 7312 20 5 8 Jaw jaw 5 8 15 9 mm 7312 20 3 4 Stud jaw 3 4 19 1 mm 7312 21 5 8 Long link plate w toggle 5 8 15 9 mm 7312 21 3 4 Long link plate w toggle 3 4 19 1 mm Chainplate Clevis Pin Size Check 1 Check headstay and clevis pin...

Page 4: ...m 1 7512 33F 2 610 mm Bottom foil Part No Quantity Description 7512 31F 8 7 177 8 mm Connectors HFG1016 1 Connector bushing set Includes 8 H 83692 Bushing connector half top 8 H 83693 Bushing connector half bottom HFG1008 1 Foil screw set Includes 36 HFS1060 Foil screws extras included HFG1009 1 Trim cap set Includes 1 H 83703 Trim cap half top 1 H 83704 Trim cap half bottom 3 HFS1127 Trim cap scr...

Page 5: ...1 3 4 ROD RIGGING Harken Rod Adapter Stud Required Sold Separately Eye Jaw Toggle Reversible 7412 20 5 8 ALL UNITS Harken Toggle Sold Separately Jaw Jaw Toggle 7312 20 5 8 Rod Adapter Studs 7426 22 7424 12 7425 17 Thread 5 8 18 RH Thread 3 4 16 RH Thread 3 4 16 LH 1 Harken toggle assembly required Sold separately 2 Mating turnbuckle components must be purchased separately 3 Headstay may require cu...

Page 6: ... tack shackle and drum height based on whether plate is used full length or shortened to one of five hole positions Do not add to halyard swivel or top terminal dimensions 5 8 15 9 mm Clevis pin Add 161 16 to 81 4 408 mm to 210 mm 3 4 19 1 mm Clevis pin Add 139 16 to 511 16 344 mm to 144 mm A B Luff Length Note offsets above and below sail A shorter luff may be required if a halyard restrainer is ...

Page 7: ...n end of wire and install Norseman or Sta Lok stud after foil is assembled 3 When using smaller wires marine eye may fit See page 12 4 Rod adapter nosepiece for Harken rod adapter stud WARNING Using a threaded nosepiece with only adhesive at the upper rod eye terminal may result in headstay system failure which can cause an accident damage to your vessel personal injury or death See www harken com...

Page 8: ...rosspin to Clevis Pin Pin to Pin Length After completing worksheet above fill in A C D and G below Add A through G to confirm total equals your pin to pin measurement Length Check G Toggle Distance from Lower Clevis Pin to Crosspin Hole Toggle Part No Type Clevis Pin G Distance 7412 20 5 8 Eye Jaw 5 8 15 9 mm 2 000 51 mm 7312 20 5 8 Jaw Jaw 5 8 15 9 mm 2 000 51 mm 7312 20 3 4 Stud Jaw 3 4 19 1 mm ...

Page 9: ...gth from worksheet 41 2 11 2 114 38 mm Actual Top Foil 5 3 4 146 mm Do not cut top foil to length from worksheet Cut top foil to 5 3 4 146 mm and shorten trim cap by 1 3 16 30 mm as shown at left Shorten bottom foil per chart below Foil will be clamped in upper holes 6 3 4 171 mm Cut 1 3 16 30 mm off top trim cap Cut off Do not use 5 3 4 146 mm Unit 2 Top foil length from worksheet 1 1 2 25 13 mm ...

Page 10: ...gle will fit boat Ideally turnbuckle will be half to two thirds open to allow for rig adjustment Line up drum assembly so holes below drum line up with holes in Harken toggle Make sure toggle is tensioned when measuring Note Position top foil so that with top cap the foil will ride 5 8 16 mm below terminal If wire fitting at top of stay is swage foil must ride just below shoulder of swage Mark cut...

Page 11: ...sing rat tail file Drill two 1 8 3 mm holes in foil for self tapping screws Mark the location of the trim cap screws at the cut end of the top foil Location 3 4 19 mm down from top of foil and 7 16 11 7 mm from center of the sail groove See dimensions below 3 4 19 mm 7 16 11 7 mm 15 16 23 4 mm ...

Page 12: ...or faster assembly Over a marine eye located on the bottom of the stay From the top if lower terminal is part of turnbuckle Check fit of marine eye before proceeding This will generally work with smaller wires within the unit s rigging specifications Place halves of trim cap over wire and insert into top foil Use a small hammer to tap in place if necessary Tip With foil groove up have screw holes ...

Page 13: ... used Red Loctite Halyard Deflector Put a drop of red Loctite in screw holes Place connector on wire with hooked side up Red Loctite in screw holes Hooked side of connector Use a hex key wrench to securely tighten screws Loctite is a trademark of Henkel AG Company KGaA ...

Page 14: ...nector and mating with four recesses in bottom part of bushing Put a drop of red Loctite into screw holes Red Loctite in screw holes Slide foil completely over bushings and connector Use a hex key wrench to securely tighten screws Continue assembly of foil system Loctite is a trademark of Henkel AG Company KGaA ...

Page 15: ...MKIV Ocean Unit 2 15 Assembly Halyard Swivel Drum Assembly Slide halyard swivel onto foil IMPORTANT Make sure up arrow is up Slide drum assembly onto foil ...

Page 16: ... Apply a few drops of red Loctite to threads of nosepiece Screw main threaded stud portion onto bronze nosepiece until flats align with two cotter pin holes in terminal body Tip Turn nosepiece completely into threaded stud portion Flats will be close and may only require a small half turn to align with cotter pin holes R O D R I G G I N G R O D R I G G I N G Loctite is a trademark of Henkel AG Com...

Page 17: ...and attach Harken toggle Note If using Sta Lok or Norseman stud you must use a washer above stud as shown below Stud Jaw Toggle Assembly Eye Jaw Toggle Assembly Make sure shallow jaw is up Turnbuckle Clevis Pin Toggle Clevis Pin Crosspin Norseman or Sta Lok STA LOK is a registered trademark of STA LOK Terminals Ltd ...

Page 18: ...ocknuts Determine height of link plates to provide anchor clearance and cut to length Cut at scribe mark Deburr edges Connect eye to toggle jaw using special clevis pin Secure using cotter pin Toggle For Long Link Plates Blue Loctite WARNING Stay must attach to toggle Do not attach stay to crosspin at drum assembly because crosspin and plates may fatigue and break Stay attached to toggle Loctite i...

Page 19: ...o Clevis Pin Slide lower drum assembly over turnbuckle and attach using long crosspin Use plastic washers provided WARNING Crosspin must be 90 degrees to clevis pin that attaches unit to boat If pins run same direction toggle will fatigue and could break suddenly 7312 20 3 4stud jaw toggle Lift foils so top of foils ride about 12 mm below upper terminal 5 8 16 mm ...

Page 20: ...e using hex key Use Tefgel on screws NOTE You will likely adjust foil height again once system is up on the mast and turnbuckle adjusted Slide halyard swivel above feeder Place feeder tabs in position Use a drop of 833 Blue Loctite in screw holes Use hex key wrench to secure Blue Loctite in screw holes Loctite is a trademark of Henkel AG Company KGaA ...

Page 21: ...G Stay turnbuckle must attach to toggle Do not attach stay to crosspin at drum assembly because crosspin and plates may fatigue and break causing an accident damage to your vesselwww harken com en general warnings instructions for additional safety information WARNING To avoid injury make sure drum assembly and foils are securely lifted using a halyard before adjusting turnbuckle Failure to do so ...

Page 22: ...g sound lead line through block in opposite direction Lead line to Furling Line Cleat in cockpit 7402 Ratchet Stanchion Block Install so line is angled as shown Use 10 5 mm fasteners HCP168 Furling Line Cleat Mount Lead Blocks Furling line can be led down either side of boat If boat is in slip on the side opposite the dock Remove four screws on stanchion blocks Clamp blocks to stanchions See instr...

Page 23: ...there has been a halyard wrap so they can avoid an accident by relying on standing rigging or halyards Inspection must be done while rigger is suspended from a separate crane or mast must be lowered to perform inspection Some professionals may rig a new line through internal masthead sheaves to serve as a temporary headstay to hold mast in place Wire rod rigging terminals toggles clevis pins or co...

Page 24: ... halyard should be firm but not too tight Tip The luff foil system supports sail along its length so halyard tension is used only to shape sails not to support them Use enough halyard tension to remove some wrinkles along luff of sail Do not tension halyard enough to cause vertical wrinkles in luff of sail Tension to adjust position of draft in sail to suit sailing conditions Halyard should be fir...

Page 25: ... be possible to attach spinnaker halyard to bow pulpit or it may be sucked into jib when furling On some boats the spinnaker halyard lays across headstay and will catch on halyard swivel foils or jib halyard To prevent problems it may be necessary to install a masthead bail to move spinnaker halyard block forward and to one side Boats with external halyards may find it necessary to flip both ends ...

Page 26: ... out at the dock See Furl and Unroll Sail 11 If not sailing right away make sure sail is furled carefully See Secure Sail Feeder Tack Head IMPORTANT Pay careful attention to Secure Sail on next page If leaving the boat you must secure sail to prevent dam age if wind increases while you are away Furl and Reef To furl or reef ease the jib sheets and pull furling line In very light air it may be nece...

Page 27: ... light wind and left loosely secured can be a problem if wind increases IMPORTANT Remove sail from furler if extreme winds are predicted especially if boat is left unattended IMPORTANT Check all points above a b c and d when leaving boat to avoid damage to furler or boat A loosely rolled sail can catch wind in a storm Sheets or furling lines can loosen as winds increase and allow furler to unroll ...

Page 28: ... with drum assembly extending beyond mast Remove masthead clevis pin and shift furler up so drum assembly can be strapped securely to mast Some people remove drum assembly and halyard swivel for storage and transport After Storage or Transport After storing or transporting unit clean thoroughly including ball bearings See instructions above Loosen Foil Clamp Before Slacking Backstay In order to pr...

Page 29: ...ing optimal halyard angle Foils riding on turnbuckle Raise foils See adjusting turnbuckle on page 21 Foils too high binding on swage eye Lower foils See adjusting turnbuckle on page 21 Jib halyard is too tight Ease jib halyard Spare halyard is wrapping in sail as it furls Secure spare halyards away from furling headstay by flipping them behind spreaders Salt or dirt in bearings Flush bearings freq...

Page 30: ... Loctite is a trademark of Henkel AG Company KGaA 7424 12 7425 17 7426 22 3 1 2 7312 20 3 4 1 2 3 3 4 4 5 6 7 7412 20 5 8 5 3 5 5 4 6 7 3 5 1 5 7 2 7312 20 5 8 1 4 5 2 6 3 3 4 6 3 4 3 7312 21 5 8 7312 21 3 4 8 2 6 8 8 6 2 5 8 7 1 4 7 3 9 5 No Description Order Part No Eye Jaw Toggle Reversible 1 7412 20 5 8 1 Toggle 1 H 37647C 2 Crosspin 7 16 x 39 32 18 8 1 H 42398 3 Nylon Washer 2 HFS1005 4 Cross...

Page 31: ...users 4118 12 12 2012 MKIV JIB REEFING FURLING Unit 2 Installation Manual Intended for specialized personnel or expert users Preassembly Safety Precautions Parts Descriptions 2 3 Parts Description 4 5 Tools 5 Dimensions Sailmaker s Instructions 6 Toggle Deductions Stay Into Foil Options 7 Top Foil Length 8 Short Top Foil 9 Foil Length 10 Assembly Foils Connectors 11 17 Halyard Swivel 17 Drum Assem...

Page 32: ...n it Email info harken it Harken New Zealand Ltd 129 Westhaven Drive Westhaven Auckland 1011 New Zealand Telephone 64 9 303 3744 Fax 64 9 307 7987 Web harken co nz Email harken harken co nz Harken Polska SP ZOO ul Rydygiera 8 budynek 3A lokal 101 I piętro 01 793 Warszawa Poland Tel 48 22 561 93 93 Fax 48 22 839 22 75 Web harken pl Email polska harken pl Harken Sweden AB Main Office and Harken Bran...

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