Harken 7351.10 Installation Manual Download

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Please read these instructions carefully before installing, servicing, or operating the equipment.

This manual may be modified without notice. See: www.harken.com/manuals for updated versions.

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REFLEX

™

FURLING

Unit 1, 2

Installation Manual – Intended for specialized personnel or expert users

5015 04-16

Table of contents

Preassembly

Safety precautions 2

Part descriptions/terms

2 -3

Size check

Parts 4

Additional parts required/tools

Dimensions/sailmaker's Instructions

Cable length worksheet

Assembly

Threaded adapter

Terminating torsion cable to head swivel

9 -11

Terminating torsion cable to tack swivel

Determining cable length at boat

Cutting torsion cable and final assembly

13-14

Commissioning

Loading furling line in drive unit

Mounting fairleads/line to cockpit

Attaching sail to unit

Operation

Raising sail first time/halyard tension 17

Furling

Lowering sail/hoisting furled sail/sail changes

Sail changes

Maintenance

Cleaning parts and bearing assemblies

Warranty

Summary of Contents for 7351.10

Page 1: ...arts 4 Additional parts required tools 5 Dimensions sailmaker s Instructions 6 Cable length worksheet 7 Assembly Threaded adapter 8 Terminating torsion cable to head swivel 9 11 Terminating torsion ca...

Page 2: ...sponsibility for damage or harm caused by not observing the safety requirements and instructions in this manual See limited warranty general warnings and instructions in www harken com manuals Purpose...

Page 3: ...by 10 Unit size Unit part no Intended application Typical boat length Maximum sail area m ft m2 ft2 1 7351 10 Asymmetric spinnaker 7 5 11 25 36 112 1200 7361 10 code zero 6 7 10 22 32 60 650 2 7352 10...

Page 4: ...M 20 12 m 66 7352 10 25M 25 m 82 Torsion cable clamp set 7357 7358 Snap shackle threaded adapter 7351 20 7352 20 Optional components Fixed tack terminal code zero sail 7351 27 7352 27 Reflex torsion c...

Page 5: ...rt tape measure 5 Heat gun 3 Hex keys 1 3 Sail attachments Use a shorter soft shackle for head of sail and a longer soft shackle for the tack of sail Consult a rigging supplier a knot tying book or se...

Page 6: ...ote offset H at the top and offset D at the bottom When using system for asymmetric spinnakers D represents the attachment point to the tack swivel terminal Luff length code zero Note offset H at the...

Page 7: ...ackle 7351 20 28 mm 1 12 7352 21 38 mm 1 49 Snap shackle 7351 20 55 mm 2 16 7352 22 61 mm 2 41 Cable length worksheet Description Unit 1 Unit 2 mm in mm in FH Full hoist shackle to bow forward attachm...

Page 8: ...endicular position will depend on the fitting on the bow sprit or extended bow fitting Thread the adapter completely into the drive unit until it stops Install set screws using threadlocking solution...

Page 9: ...nd leave enough space to load the cable end 3 Insert the end of the cable through thimble at the head swivel and position it at the desired location on the cable Slide the clamp assembly over the end...

Page 10: ...place with a short fastener using blue Loctite 5 Gradually tighten each of the four 4 corner fasteners alternating to maintain a relatively even gap between clamp halves When the gap is about 8 mm 5 1...

Page 11: ...the amount shown in the chart Clamp cable and use hacksaw to cut the cable leaving a tail of Unit 1 90 mm 3 5 Unit 2 100 mm 4 Tip Leave a longer tail if you are not sure about measuerments See followi...

Page 12: ...ne all the way down Slip the bottom of the cable through the thimble in the tack terminal Pull the cable as tight as you can by hand and wrap a piece of electrical tape where the cable enters the thim...

Page 13: ...lipping cable into thimble 5 Setting the length Slip the cable into the thimble and pull it through until the mark from step 4 is at the point where the cable enters the thimble 3 Cutting the cable Lo...

Page 14: ...nsmits torque at lower halyard loads IMPORTANT Over tensioning the halyard can make furling more difficult and can damage components Adjust the tack line if necessary 6 Building the tack terminal Foll...

Page 15: ...eave and the flexible cowling Make sure the torsion cable is not attached to the drive unit Load the looped furling line into the line guard Rotate the drive sheave as you press the line into position...

Page 16: ...s to stanchion so the black plastic clamp side is inboard and the metal line guide is outboard Tip Start all four 4 screws before tightening Inboard Outboard Load the furling line loop into the fairle...

Page 17: ...keep the Reflex furling system spinnaker sheets and halyard outside of the jib sheets Attach the head of the sail to the eye in the head swivel using a soft shackle or lashing Secure tack of sail usi...

Page 18: ...mount the sail flogs From a broad reach ease the sheets to reduce sail power Start furling and then ease more Operation The sail tack is on a swivel and does not begin furling until most of the sail i...

Page 19: ...ing Furling line led aft below jib sheets to aft lead block Spinnaker sheets attached and led around forestay and aft to spinnaker blocks outside and above all other sheets Halyard attached Hoisting s...

Page 20: ...y have an existing torsion rope in the luff Talk to your sailmaker about installing a Harken Reflex tor sion cable Requires a separate Dyneema type tension bearing luff rope Changing Sails With the ne...

Page 21: ...erminal Flush bearings with soapy water and rinse as you rotate tack swivel Lower drive unit Remove furling line and flush lower unit on either side of the feeder Rotate the drive sheave to flush bear...

Page 22: ...Reflex furler 22 Warranty www harken com manuals or call write email or fax Harken Inc Pewaukee WI USA...

Page 23: ...Reflex furler 23...

Page 24: ...d Ltd 158 Beaumont Street Unit 11 Orams Marine Centre Westhaven Aukland 1010 New Zealand Telephone 64 9 303 3744 Fax 64 9 307 7987 Web harken co nz Email harken harken co nz Harken Polska Sp z o o ul...

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