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Summary of Contents for Selden TYPE RB Mk 4
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Page 1: Table Of Contents
595-065-E 2017-03-06 Manual for Furling mast TYPE RB Mk 4 Contents: Page: Contents: Page: Product Description Fitting and Hoisting the Sail Checks and Adjustments Before Stepping Before Sailing Line Routing Maintenance Operation... -
Page 2: Product Description
Product description • Seldén furling mast is a mainsail reefing and furling system. • The unique design of the halyard swivel bearing distributes the load over the whole ball race to give smoother furling and the lowest possible friction, even under high loads. • The new Mk 4 compact gear mechanism offers improved gear efficiency, allows a smaller mast cutout and is prepared for easy retro fit of electric furling drive unit. • This Instruction Manual has been compiled to give you information on the in-mast reefing system. Study it and follow the instructions carefully, and we guarantee you pleasurable use from your Seldén furling mast. Follow the relevant rigging instructions in our booklet ”HINTS AND ADVICE” for tuning the rig. Sail compartment with luff extrusion Fig. 2:1... - Page 3 Top swivel Halyard swivel Access to sail feeder and Sail feeder halyard swivel Tensioning screw Tack hook Access to tack hook and tensioning screw Outhaul car Rachet lever Winch handle socket Line driver Fig 3:1...
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Page 4: Checks And Adjustments Before Stepping
Checking luff extrusion tension prior to stepping the mast The luff extrusion is correctly tensioned before leaving the factory, but tension can be re-checked before stepping the mast in the following manner. Lay the mast horizontally on it´s side and keep it straight. The luff extrusion should now be just clear off the mast wall at its midpoint. If adjustment is necessary see points 1-5 below. If adjustment has to be made after the mast has been stepped, then the luff extrusion should be so tensioned that it does not beat against the mast wall when you grasp it through the upper access hole and shake it. The luff extrusion can be tensioned also with the sail fitted if the winds are very light; Roll out the sail, lower it slightly and remove the tack from the tack hook. Hoist the sail so it does not interfere with tension screw. Part of the extrusion will be resting on the aft face of the sail compartment when sailing. DO NOT OVER-TENSION! A luff extrusion that is over-tensioned will require increased furling effort. Luff extrusion adjustment 1. Remove the access covers. Fig. 4:1 Fig. 4:2 Depress one button and push. Lift the opposite end and remove. - Page 5 2. Release locking ring " Release the locking screw 3 turns and lift the locking ring . Locking ring can be temporarily secured by " a piece of tape. 3. Adjust luff tension 4 drops of oil Lubricate the tension screw with rigging screw oil (art. nr 312-502). Put a screwdriver in the sail groove of the luff profile to prevent it from rotating. A piece of tape on the tip of the screwdriver prevents damage to the luff profile. Turn the reefing winch using the winch handle until the luff profile is correctly tensioned. 3. Engage locking ring in position and tighten locking screw 5. Refit access covers.
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Page 6: Line Routing
Line routing Reefing and unreefing is accomplished with an endless reefing line and an outhaul operated either from the cockpit or at the mast. In the latter case the outhaul is also taken to the boom or mast near the gooseneck. (See Fig. 7.1). Endless reefing line If in-mast furling mast is to be operated from the cockpit an endless reefing line (loop) in combination with a self- tailing winch is recommended. Reefing line should be ø10 mm polyester rope. The endless loop must have extra length to allow it to be easily removed from the winch. The tail-end of the loop must also be belayed on a stopper. On most installations, the reefing line needs to be fed through blocks and stoppers before making an endless splice according to Seldén instruction 595-673. If the blocks and stoppers are possible to dismantle, a spliced endless line can be used according to spare parts list at page 15. Outhaul line A self-tailing winch and a stopper is also recommended for the outhaul line. Layout 1 Figs. 6: suggested arrangement. Lead Blocks Turning Blocks Endless Reefing Line Rope-Stoppers Kicking Strap Topping Lift Lead Blocks Outhaul Fig 6:2 Ratchet Free Fig. 7:2 Fig. -
Page 7: Operation
Operation Furling and unfurling is accomplished either from the cockpit with an endless reefing line and an outhaul line or at the mast using a winch handle at the mast linedriver. In the latter case the outhaul is taken to the boom or mast near the gooseneck. (See Fig. 7.1). Unfurling When unfurling from the cockpit the linedriver must be set to ”free”. (See Fig. 7:2). 1. Free both sides of the endless loop from the winch and stopper. It will then slide on the linedriver. 2. Pull out the sail with the outhaul line. Furling 1. The leech should be kept fairly tight when reefing or furling. Adjust the boom angle (vang or topping lift) to achieve this, and the sail will form a tight roll around the luff extrusion. 2. Locate the starboard part of the endless furling line on the winch and pull by hand, or if necessary use a winch handle. 3. Keep slight tension on the outhaul while doing this. This applies especially when the wind is abaft the beam or in light air. Reefing 1. Carefully slacken off the outhaul line. 2. Locate the starboard part of the endless furling line on the winch and pull by hand, or if necessary use a winch. 3. The leech should be kept fairly tight. Keep slight tension on the outhaul during the maneuver. When working at the mast: Activate the lock on the linedrive (-IN’) before reefing the sail. Use a winch handle to furl the sail. When the desired amount of sail is rolled in, use the outhaul to stretch the foot of the sail. Don´t leave the winch handle in the linedriver! When operating from the cockpit: When reefed to desired sail area, lock both parts of the endless lines in stoppers and tighten to lock the reefing winch. Finally, tension the outhaul. When leaving the boat. -
Page 8: Fitting And Hoisting The Sail
Fitting and hoisting sail Check that the Tack and Head of the sail are made in accordance with Seldén instruction 595-542 “ Sailmakers guide”. An incorrect design can cause wrinkles in the sail and make smooth furling difficult. 1. Remove the covers. Press one button and push. Lift the opposite end and remove. Press one button and push. Lift the opposite end and remove. 2. Attach the head of the sail to the halyard swivel. Remove the covers. Fig. 8:2 Fig. 8:1 Depress one button and push. Lift the opposite end and remove. Fig. 8:3... -
Page 9: Before Sailing
4. Attach the clew to the Outhaul Car. 5. Hoist the mainsail whilst simultaneously ensuring that it is feeding correctly into the luff extrusion. 6. Join the sail to the tack hook. (See fig. 8:3). 7. Tighten the halyard. 8. Furl the sail until only 200-300 mm of the clew is exposed. The linedriver should be turned clockwise. (See Fig. 9:1). Port Starboard Fig. 9:1 Note. For correct furling, pull on starboard part of the endless furling line for the line driver to turn clockwise. Before sailing 1. Check that the sail is correctly furled on the STARBOARD SIDE of the luff extrusion. (See Fig. 9:1). 2. Furl and unfurl the sail a couple of times to ensure that the system works as it should, and to familiarize yourself with its operation, and also to check that the sail is correct size. -
Page 10: Maintenance
Maintenance of the in-mast furling mast Periodic Maintenance Maintenance should be undertaken at least once a year. More frequent cleaning for removal of salt and sand is done by rinsing with fresh water only. All bearings should be greased with GREASE (Part No. 312-501), a tube of which is delivered with the mast. Read the following instructions and see Fig. 13: l. When greasing bearings and gears, do not over-grease. A thin coating of evenly applied grease is sufficient. TOP SWIVEL: The bearing has a lubrication hole marked ”GREASE” where the grease should be injected. Access through the sail slot. HALYARD SWIVEL: Lubricate the swivel by injecting grease into the gaps & in the ring. This is best done through the upper access hole. IN-MAST FURLING MAST GEAR. 1. Remove the access covers and un-tension the luff - see pages 4 & 5. 2. Remove ratchet cover assembly . 3. Grease the bevel gears and ball-bearing Complete Service It is a good idea after some years use to remove the gear for thorough cleaning and re-greasing. The in-mast furling mast is built so that servicing will be easy even after protracted use. Top swivel, halyard swivel and furling gear can be cleaned in kerosene, blowed dry with compressed air and re-greased. - Page 11 Fig. 13:1...
- Page 12 Spare parts Furling gear Item Description Mast extrusion Dimension F228 F246 F265 Gear house assembly 540-090-01 540-090-01 540-090-01 Ratchet cover assembly 540-392-01 540-392-01 540-392-01 Flange bush Ø23/10.5-28 540-388 Flange bush Ø23/10.5-32 540-389 Flange bush Ø23/10.5-36 540-390 Screw MC6S 10x30 153-059 Screw MC6S 10x35 153-061...
- Page 13 Tack assembly Item Description Mast extrusion Dimension F228 F246 F265 Tack hook body 37x117 540-100 540-100 540-100 Tensioning screw M22x165 540-099 540-099 540-099 Torque connector 30x17 540-098 540-098 540-098 Retaining ring 301-063 301-063 301-063 Screw MC6S 5x6 155-072 155-072 155-072 Wheel ø90/31-20 319-622...
- Page 14 Halyard swivel Item Description Dimension Mast extrusion F228 F246 F265 Complete halyard swivel -> 540-158-01 540-158-01 540-158-01 Sliding sleeve 64x140 540-159 540-159 540-159 Sliding insert-stb 52x52 540-165 540-165 540-165 Sliding insert-port 52x52 540-166 540-166 540-166 Screw 3.5x9.5 171-047 171-047 171-047 Schackle M7/13/25 307-023...
- Page 15 Additional items Item Description Mast extrusion Dimension F228 F246 F265 Grease 100g 312-501 312-501 312-501 Access hole cover 57x126 540-026 540-026 540-026 Manual/Spare parts 595-065-S 595-065-S 595-065-S list-Swedish Manual/Spare parts 595-065-E 595-065-E 595-065-E list-English Manual/Spare parts 595-065-T 595-065-T 595-065-T list-German Endless line Ø10 2x5000 611-011-05...
- Page 16 DINGHIESKEELBOATSYACHTS Seldén Mast AB, Sweden The Seldén Group is the world’s leading manu f acturer Tel +46 (0)31 69 69 00 of masts and rigging systems in carbon and aluminium Fax +46 (0)31 29 71 37 e-mail info@seldenmast.com for dinghies, keelboats and yachts. The Group consists of Seldén Mast AB in Sweden, Seldén Mast A/S in Denmark, Seldén Mast Limited, UK Tel +44 (0) 1329 504000 Seldén Mast Ltd in the UK, Seldén Mid Europe B.V. in the Fax +44 (0) 1329 504049 Nether l ands, Seldén Mast Inc in the USA and Seldén Mast e-mail info@seldenmast.co.uk in France. Our well known brands are Seldén and Furlex.
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