Selden Furlex 304S - User Manual

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Manual and Spare parts list

Furlex

204S & 304S

597-132-E

2015-12-02

204S/304S

Questions and Answers

J
joneskarenAug 19, 2025
How to fix a Selden Furlex 304S sail that won't unfurl?
- T
  tylermccormickAug 19, 2025
  If your Selden Marine Equipment sail won't unfurl, it could be due to several reasons. The jib halyard or another halyard might be wrapped around the luff extrusion; try easing the halyard slightly and reversing the system, or furl the system and free the halyard. Other possible causes include: * The furling line is not free to run or has become tangled: Slacken or free the furling line. * The forestay is too slack: Tension the forestay by tensioning the backstay and/or the cap shrouds. If this doesn’t help, decrease the length of the Furlex-system. * Dirt and salt in the bearings: Rinse the bearings with fresh water and lubricate with Furlex grease. * Too much strain on the halyard: Ease the halyard off.
W
William MyersAug 22, 2025
What to do if a Selden Marine Equipment sail cannot be taken down?
- T
  Timothy GarciaAug 22, 2025
  If your Selden Marine Equipment sail cannot be taken down, it could be because the halyard is wrapped around the top of the luff extrusion. Try easing the halyard off and reversing the system. Alternatively, the halyard may be wrapping around the luff extrusion as the sail is coming down; in this case, tension the halyard manually, keeping a slight drag on it while taking the sail down. It's also possible that the halyard is stuck, so check the halyard routing (sheaves, stoppers etc).
S
stevebradfordAug 26, 2025
Why does my Selden Furlex 304S Marine Equipment sail unfurl after furling?
- D
  Destiny HernandezAug 26, 2025
  Your Selden Marine Equipment sail may unfurl after reefing or furling if it's not furled tightly enough. Try furling with some drag on the line. Also, ensure the furling line is properly belayed after furling.
P
Phyllis LeeAug 28, 2025
Why does my Selden Furlex 304S Marine Equipment system wobble when furling?
- K
  Kristen HortonAug 28, 2025
  If your Selden Marine Equipment system wobbles during furling and unfurling, it is likely that the forestay is too loose. To resolve this, tension the backstay and/or the cap shrouds, which will, in turn, tension the forestay.
K
kathleenibarraAug 30, 2025
Why is my Selden Marine Equipment sail hard to hoist?
- C
  Carol Barber DVMAug 31, 2025
  A Selden Marine Equipment sail can be hard to hoist for several reasons. The luff tape might be too thick, in which case you should return the sail to the sailmaker and refer to the sailmaker information in this manual. Alternatively, the sail might be caught on something or not sufficiently loose on the foredeck, so arrange the sail better. Other possible causes include a fault in the halyard routing (check the sheaves, winch etc.) or dirt and salt in the luff groove (clean the luff groove).
J
John JohnsonSep 2, 2025
Why is the UV protection on the inside of my furled Selden Furlex 304S Marine Equipment sail?
- L
  lowekyleSep 2, 2025
  If the UV protection of your Selden Marine Equipment sail is on the inside when furled, it's likely that the furling line is wound on the drum in the wrong direction. To correct this, remove the sheet from the sail and gather the sail around the Furlex- system with a rope. Pull on the line until the drum is empty. Wind a couple of turns onto the drum by hand in the opposite direction. Re-attach the sheet and unfurl the sail. Furl in and check that there are 3-5 turns left on the drum when the sail is fully furled in.
Q
qlynchSep 5, 2025
What causes the luff to not be tensioned on my Selden Furlex 304S Marine Equipment?
- P
  Paul ScottSep 5, 2025
  The luff of your Selden Marine Equipment may not be tensioned if the halyard swivel comes into contact with the top guard, indicating that the luff of the sail is too long. In this case, have the sail shortened by the sailmaker. Another reason could be that the angle between the forestay and the halyard is too great; shorten the sail or move the halyard lead up.
S
Samuel BellSep 7, 2025
Why is the Selden Furlex 304S Marine Equipment sail wrinkled at the tack?
- W
  wsimonSep 7, 2025
  If your Selden Marine Equipment sail is wrinkled at the tack, it could be because the tack ring was twisted in the wrong direction before tacking the sail. To fix this, unfurl the sail and ease off the halyard. Undo the tack snap shackle. Rotate the tack ring ”around the system” and retack the sail. Furl slowly and check that the furling of the tack is retarded by one revolution in relation to the luff extrusion. Another possibility is that the sail is old or incorrectly cut.
T
Toni YangSep 10, 2025
Why does the leach flog on my Selden Marine Equipment even when sheeting hard?
- A
  Aaron GoodwinSep 12, 2025
  If the leach of your Selden Marine Equipment sail flogs despite sheeting hard, it could be due to an incorrect sheeting point. Try moving the sheeting point forward. It might also be caused by an incorrectly tensioned leach line. Adjust the leach line.
C
Christopher McgeeSep 13, 2025
Why does the leach close (bend inwards) on my Selden Marine Equipment?
- P
  paula34Sep 13, 2025
  If the leach on your Selden Marine Equipment closes (bends inwards), it may be due to an incorrect sheeting point. Try moving the sheeting point backwards. Another possible cause is that the sail is old or incorrectly cut.

Summary

1 Introduction

1.1 Key Features

Highlights the main advantages and innovative features of the Furlex system.

1.4 Safety Precautions

Outlines crucial safety advice and warnings for installation and operation.

2 Assembly Preparations

2.2 Mast and Deck Attachment

Explains how to properly attach the Furlex system to the mast and deck fittings.

2.3 Wire Length Calculation

Detailed steps and tables for calculating the correct forestay wire length.

2.4 Top Extrusions - Length Calculation

3 Assembly

3.1 Luff Assembly

Step-by-step guide for assembling the luff extrusions and related components.

3.2 Fitting Sta-lok Eye Terminal

3.5 Drum Unit Assembly

4 Installation

4.1 Mast Attachment

4.1.1 Halyard Routing

Ensuring correct halyard angle to prevent wraps and damage.

4.2 Deck Attachment

4.5 Furling Line Installation

4.5.2 Fitting the Furling Line

4.6 Adjusting the Forestay Length

How to adjust the forestay length with and without an integrated rigging screw.

4.6.1 Furlex with Rigging Screw

Specific steps for adjusting forestay length when using a rigging screw.

4.6.2 Furlex Without Rigging Screw

4.7 Checklist

A final checklist to ensure proper installation and function of the Furlex system.

5 Operation

5.1 Hoisting

6 Maintenance

6.1 Inspection

6.5 Troubleshooting

Provides solutions for common problems encountered with the Furlex system.

6.5.1 The Sail Will Not Unfurl or Will Only Partly Unfurl

Diagnosing and fixing issues with sail unfurling or partial unfurling.

6.5.2 The Sail Will Not Furl, Is Hard to Furl or Can Only Be Partly Furl

Troubleshooting problems with furling the sail.

6.5.3 The System Wobbles When Furling and Unfurling

Addressing wobbling or instability issues during furling operations.

6.5.4 The Sail Unfurls After Reefing or Furling

Resolving issues where the sail unfurls unintentionally after reefing.

6.5.5 The Sail is Hard to Hoist

Solutions for difficulties encountered when hoisting the sail.

6.5.6 The Luff Cannot Be Tensioned

Troubleshooting problems with achieving proper luff tension.

6.5.7 The Sail Cannot Be Taken Down

Resolving issues that prevent the sail from being taken down.

6.6 Spares & Accessories

Selden Furlex 304S Specifications

General

Type	Furling System
Model	Furlex 304S
Material	Aluminum
Forestay Length Max	16 m
Drum Diameter	160 mm
Extrusion Lengths Available	2.5 m
Recommended Boat Length	9-12 m

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