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Manual

Self-tacking system 22

597-278-E

2018-02-20

For sailboats ranging from 25 to 35 feet

Introduction

Congratulations on the purchase of your new self-tacking jib system.

This manual cover assembly and installation for the Seldén self-tacking system 22.

Please read the entire manual before assembly and use of the product, and keep it available

for future references.

Safety precautions

Dimensioning of the system

Self-tacking jib system 22 has a maximum working load of 700 kg.

The key to a properly working and safe installation is correct dimensioning in relation to the boat the

products shall be used for. Seldén provides dimensioning guidelines in catalogues, leaets and on

the website. If there are any questions about selecting the right product, please consult an authorized

Seldén dealer. All dealers are listed at www.seldenmast.com and divided in categories describing their

competence. For Self-tacking jib system 22 we recommend dealers in the category “Advanced Technical

Installations”.

This symbol indicates a delicate moment in the assembly or a technical advice.

This symbol indicates a potential hazardous situation which, in the event of failure,

can lead to damages to property, personal injury or death.

Contents page

1. Introduction 2

2. Product information self-tacking system 22 4

2.1 Parts included 6

2.2 Foot options 7

2.3 Track options 7

2.4 Car options 7

2.5 Block options 8

3. Assembly preparations

3.1 Required tools 9

3.2 Required fasteners 9

3.3 Sheet arrangement 10

3.4 Placement of centre console 11

3.5 Track length 12

3.6 Placement of side consoles 12

4. Assembly

4.1 Step by step assembly instructions 13

5. Installation

5.1 Step by step installation instructions 16

6. Service and maintenance

6.1 Frequent service 18

6.2 Annual service 18

7. Options

7.1 Sheet crane 19

7.2 Pad Eyes 19

8. Warranty conditions 20

2. Product information

SELF TACKING JIB SYSTEMS

A self-tacking jib makes life on board a lot easier, particularly for short-handed crews. The jib sheet is led

to a car which moves to leeward during the tack with no need to touch the sheet. Tacking is as simple as

steering the boat through the wind.

System 22 is designed as a universal retro-t self-tacking system for sail boats ranging from approximately

25 to 35 feet. The length of the legs can be cut to the correct length and the angle of the track and deck

ttings are adjustable. The track is available from stock in two standard radiuses to give a good alignment

of the sheet load to the car and track. Simply, the system ts to most boats, but exceptions will naturally

occur and should be considered prior the purchase.

Obstacles can be objects such as a hatch or a ventilator tted just forward of the mast or the

construction of the deck which must be solid as opposed to a sandwich construction.

Track, car, consoles, deck ttings and blocks for the sheet arrangement makes for a complete system.

The sail must be designed for a self-tacking system and cannot overlap the mast. The routing of the sheet

must also be planned for in advance. Customized tracks, single curved or double curved can be ordered

by submitting necessary measurements, see enquiry form 595-952-E, available at www.seldenmast.com.

End stops with rubber shock absorbers.

Centre consoles

Car

Side console

Block

Curved track

Foot

The illustrations below show the two most common ways to install a self-tacking system.

Coach roof mounting

Side deck mounting

2.1 Parts included in side console package, art. no. 442-200-10

Side bracket

Item Art. No. Quantity Description

(all measurments in mm)

1 442-200 2 BRACKET 102x52x39

2 442-202 2 WASHER Ø21x7

3 153-006 2 SCREW MC6S M8x20

4 442-203 2 COVER 88x33x13.5

5 153-178 8 SCREW MLC6S M4x8

Joint bracket

1 442-201 2 JOINT BRACKET 79.5x60x40

2 442-205 2 END STOP 42.5x20x17

3 153-178 4 SCREW MLC6S M4x8

4 442-210 4 WASHER PLATE ST-22

5 153-001 4 SCREW MC6S 6x20

- 312-305 2 LOCKING ADHESIVE 1ML

Leg

1 442-204 4 LEG Ø25x500

2 151-120 4 THREAD BAR M8x500

3 164-401 4 WASHER Ø16/8-1.5 (M8)

4 158-006 4 NYLOC NUT M8

- 157-004 8 FULL NUT M8

- 312-305 1 LOCKING ADHESIVE 1ML

Centre console

1 442-209 2 CENTRE CONSOLE 80x51x46

2 151-105 4 SCREW M6x16

3 164-407 4 WASHER Ø12/6-6 (M6)

4 157-003 4 NUT M6M

5 442-211 2 NUT HOLDER

2.2 Foot options (2 alternatives)

Not included in kit 442-200-10, to be ordered separately.

Deck fitting kit, 442-206-10

Enables quick removal of the system when preparing for racing.

Item Art. No. Quantity Description

(mm)

1 443-206 4 DECK FITTING Ø59x27.5

2 442-207 4 END FITTING LEG Ø26x33

3 165-203 4 CLEVIS PIN Ø10x28

4 301-049 4 SPLIT PIN Ø2.9x16

Foot kit, 442-208-10

Item Art. No. Quantity Description (mm)

1 442-208 8 FOOT Ø59x27.5

2 164-403 4 WASHER Ø16/10.5-2.5

3 158-006 4 NYLOC NUT (M8)

2.3 Track options (2 alternatives)

J-measurement

(mm)

Art. No. Description (mm) For sheet arrangement

– 3700 442-011-40 Radius 3000 mm, Length 1700 mm Over the fore deck

(see section3.3)

3700 – 4700 442-011-41 Radius 4000 mm, Length 1800 mm

Custom tracks

For custom tracks, see enquiry form 595-952-E available at www.seldenmast.com.

2.4 Car options (2 alternatives)

Not included in kit 442-200-10, to be ordered separately.

Righting moment at a 30° heel angle

(kNm)

Approximate

displacement

Art. No. Description

<35 <6 442-148-01 Single car

>35 >6 442-148-02 Double car

Description Art No. Sheet arrangement Safe working Load

(Kg)

PBB60 Single 406-001-01 Over the foredeck 1000

PBB60 Single becket 406-001-02 Up the mast 1000

RBB60 Single 406-201-01 Over the foredeck 1500

RBB60 Single becket 406-201-02 Up the mast 1500

2.5 Block options

Not included in kit 442-200-10, to be ordered separately.

Blocks for 442-148-01, single car

Description Art No. Sheet arrangement Safe Working Load

(kg)

PBB50 Single 405-001-01 Over the foredeck 650

PBB50 Single becket 405-001-02 Up the mast 650

BBB60 Single HD* 406-601-51 Over the foredeck 500

BBB60 Single becket HD* 406-601-52 Up the mast 500

Blocks for 442-148-02, double car

*HD = Heavy Duty

3. Assembly preparations

3.1 Required tools

Ensure you have the following tools before starting the assembly:

• Hacksaw

• File

• Allen keys 2.5mm, 5mm and 6mm

• Socket wrench with 13mm socket

• Spanner 10mm

• Measuring tape or ruler

• Pen

• Tape

• Drill, Ø6.2 drill bit

• Marine sealant

3.2 Required fasteners

Fasteners for attaching the self-tacking system to the deck are not included.

Up the mast

The advantage of routing the sheet up the mast and back to the cockpit is to keep the foredeck clean

from lines. The sheet is led from the car, up the front of the mast and into the mast through a sheave box

installed at a height of 50% of the fore triangle. The sheet exits the mast through a slot tting and turns

through a block at the foot of the mast and back to the cockpit. The deck light and the steaming light on

the mast might need to be relocated. Sheet cranes are available for boats tted with Vertical Pole Stowage

(VPS) system. See options page 18.

To avoid over loading the sheave box in the mast, a 2:1 purchase on the

sheet and consequently a single becket block for the car is required.

The track to be angled 80° to the horizontal plane.

The load on car and block arrangement is approximate the sheet load x 1.5.

3.3 Sheet arrangement

There are two common ways to set up a sheet arrangement for a self-tacking system.

The sheet can be led over the fore deck or up the mast.

The routing of the sheets aects:

• The angle of the track

• The radius of the track

• The load on the car

Over the fore deck

This is the simplest and most common arrangement. The sheet is led from the clew of the sail,

through a single block on the car, to a block at the bow and back to the cockpit.

The track to be angled 35° to the horizontal plane.

The load on the car and block is approximate sheet load x 1.75.

80º

35º

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