Harken 252 Bedienungsanleitung

INSTRUCTION MANUAL

252 Lazy Jack Kit

Boats 21 – 28 ft.

(6 – 8.5 m)

Mainsail luff length

24 – 32 ft. (7 – 10 m)

Parts List

2 Wire assemblies including Carbo blocks and mast tangs

1 46' (14.02 m) length of ¼" (6 mm) line with eye splice

3 Stainless steel eyestraps

1 Carbo cheek block

1 3" (75 mm) aluminum cleat

15 10-32 x

" (10 mm) truss head machine screws (includes 3 extra)

" (4.76 mm) stainless steel rivets (includes 3 extra)

3 #8 x ¾" (19 mm) flathead self-tapping screws (includes 1 extra)

3 8-32 x

" (16 mm) trusshead machine screws (includes 1 extra)

3 #8 x

" (16 mm) trusshead self-tapping screws (includes 1 extra)

Tools Required

Marker or pencil Pliers or vice grips

Center punch

" (3.5 mm) drill bit

Hammer Tape measure long enough to measure luff length

Electric drill Slotted/Phillips screwdriver

Drill, Tap & Screw Method – #10-32 tap and handle,

DRILL BIT –

" (4 mm)

Optional – #8-32 tap

DRILL BIT –

" (3.2 mm)

Rivet Gun Method – Stainless steel rivets require a heavy-duty rivet gun. It

may be necessary to rent a rivet gun if you do not have a heavy-duty model.

DRILL BIT –

" (5 mm)

Altering Sail Cover

Take your sailcover to a sailmaker to have slits cut in the cover for the Lazy Jacks.

Slits should have Velcro or snap closures to make it easy to cover the mainsail.

Mark your cover after installation so the slots can be positioned correctly.

Determining Location of Mast Tang

Measure the mainsail luff length or find the “P” dimension of the mast. Find this

measurement in the left column below and circle the number in the right column.

See drawing, page 3.

6.83 m22'5"9.62 - 9.75 m31'7" to 32'

6.73 m22'1"9.47 - 9.61 m31'1" to 31'6"

6.60 m21'8"9.32 - 9.46 m

30'7" to 31'

6.50 m21'4"9.16 - 9.31 m

30'1" to 30'6"

6.40 m21'9.01 - 9.15 m

29'7" to 30'

6.30 m20'8"8.86 - 9.00 m

29'1" to 29'6"

6.20 m20'4"8.71 - 8.85 m

28'7" to 29'

6.07 m19'11"8.55 - 8.70 m

28'1" to 28'6"

5.97 m19'7"8.40 - 8.54 m

27'7" to 28'

5.87 m19'3"8.25 - 8.39 m

27'1" to 27'6"

5.76 m18'11"8.10 - 8.24 m

26'7" to 27'

5.66 m18'7"7.94 - 8.09 m

26'1" to 26'6"

5.45 m18'2"7.79 - 7.93 m

25'7" to 26'

5.44 m17'10"7.64 - 7.78 m

25'1" to 25'6"

5.33 m17'6"7.49 - 7.63 m

24'7" to 25'

5.23 m17'2"7.33 - 7.48 m

24'1" to 24'6"

5.13 m16'10"7.18 - 7.32 m

23'7" to 24'

5.00 m16'5"7.03 - 7.17 m

23'1" to 23'6"

4.90 m16'1"6.88 - 7.02 m

22'7" to 23'

4.80 m15'9"6.73 - 6.87 m

22'1" to 22'6"

4.70 m15'5"6.57 - 6.72 m

21'7" to 22'

4.60 m15'1"6.42 - 6.56 m

21'1" to 21'6"

4.47 m14'8"6.27 - 6.41 m

20'7" to 21'

4.37 m14'4"6.12 - 6.26 m

20'1" to 20'6"

4.27 m14'5.97 - 6.11 m19’7" to 20'

Chart A

If mainsail luff length or “P” measures: Tang location measured from top of boom:

Mast Tang

Assembly

Installing

Mast Tangs

Measurement

from

Chart A

Top View

Tangs installed

on widest part

of mast

Installing Mast Tang and Wire Assembly

If you are installing the system with the mast up, you will need to take up the follow-

ing parts in the bosun's chair or send them up with a messenger line. (Follow all pre-

cautions to insure the safety of the person aloft. Make sure no one is standing where

they could be hit with dropped tools.)

WARNING! When drilling through mast, do not let drill bit contact the halyard that

is holding you aloft! This may cause the halyard to fail. Limit depth.

Tape measure Screw Method

Port and starboard templates (attached to pg. 3) Drill with 5/32" (4 mm) drill bit

Tape for template #10-32 Tap and handle

Tang assembly including wires and blocks Slotted screw driver

Hammer 10-32 x

" (10 mm) Trusshead

Center punch machine screws

Rivet Method

Drill with 13/64" (5 mm) drill bit

Rivet gun and rivets

Note: before going up the mast, insert the middle screw or rivet into the tang.

Squeeze the top and bottom of the tang together to insert the screw or rivet. It

may be necessary to use a pliers or vice grips.

Measure up from the top of the boom to the height from chart A (page 2).

Moveable Gooseneck - If the gooseneck is capable of moving up and down, measure

from the top of the boom when the boom is positioned in its normal sailing position.

Mark the mast at this point.

Tape the template to the side of the mast so the middle hole is even with your mark.

Line the template up so the vertical line is parallel to the side of the mast. See

drawing below.

Use a center punch to mark three tang holes. Remove template and drill three holes:

Screws 5/32" (4 mm) & Tap #10-32 Rivets 13/64" (5 mm).

Attach tang starting from center hole.

Eye Splice

This will be adjusting side

Determining Location of Boom Hardware

Measure the mainsail foot length or find the E dimension of the mast. Find this meas-

urement in the left column below and circle the corresponding numbers in the right

column. Put a mark on the boom at each measurement. See drawing, page 5.

*Note - You may want to check sail containment before drilling holes in the boom. To

do this, put sail on, tape the boom hardware in place, reeve lines through system and

lower sail. Move if necessary.

8'1" (2.616 m)2'10" (864 mm)3.83 - 3.96 m12'7" to 13'

7'9" (2.362 m)2'8" (813 mm)3.68 - 3.82 m12'1" to 12'6"

7'5" (2.261 m)2'7" (787 mm)3.53 - 3.67 m11'7" to 12'

7'1" (2.159 m)2'6" (762 mm)3.37 - 3.52 m11'1" to 11'6"

6'10" (2.083 m)2'4" (711 mm)3.22 - 3.36 m10'7" to 11'

6'6" (1.981 m)2'3" (686 mm)3.07 - 3.21 m10'1" to 10'6"

6'2" (1.880 m)2'2" (660 mm)2.92 - 3.06 m9'7" to 10'

5'10" (1.778 m)2' (610 mm)2.76 - 2.91 m9'1" to 9'6"

5'6" (1.676 m)1'11" (584 mm)2.61 - 2.75 m8'7" to 9'

5'3" (1.600 m)1'10" (559 mm)2.46 - 2.60 m8'1" to 8'6"

4'11" (1.499 m)1'9" (533 mm)2.31 - 2.45 m7'7" to 8'

4'7" (1.397 m)1'7" (483 mm)2.15 - 2.30 m7'1" to 7'6"

4'3" (1.295 m)1'6" (457 mm)2.00 - 2.14 m6'7" to 7'

4' (1.219 m)1'5" (432 mm)1.85 - 1.99 m6'1" to 6'6"

3'8" (1.118 m)1'3" (381 mm)1.70 - 1.84 m5'7" to 6'

3'4" (1.016 m)1'2" (356 mm)1.54 - 1.69 m5'1" to 5'6"

3' (914 mm)1'1" (330 mm)1.39 - 1.52 m4'7" to 5'

2'8" (813 mm)11" (279 mm)1.24 - 1.38 m4'1" to 4'6"

2'5" (737 mm)10" (254 mm)1.09 - 1.23 m3'7" to 4'

Chart B – Location of Boom Hardware*

“E” Dimension or

Sail Foot Length

Cheek Block and

Deadend Location

Boom Cradle

Strap Location

Stringing the Control Lines

Decide whether the adjusting block and cleat

will be on port or starboard. The end of the line

without the eye splice will be on the side of the

boom where you will adjust the Lazy Jacks –

the side where you will install the cleat.

With the middle of the control line draped

under the boom, pass the ends of the line

up and run each end of the line through

the blocks that are suspended from the

wire. Run the line through the blocks

from stern to bow as shown in the

diagram below.

Top View - Fittings Mounted to Side of Boom

Sheave Side of Block is Towards Cleat

Installing Cheek Block

Hold cheek block on the side of the boom so aft end of block is even with forward

mark. Use cheek block as a template to mark holes and use center punch to start

holes. Use screw method. Use

" (16 mm) long trusshead or self-tapping screws.

Do not drill rivet holes.

DRILL HOLES: Machine Screws

" (3.2 mm) and #8-32 Tap; Self-Tapping Screws

" (3.5 mm).

Note:

Position cheek block so sheave side of block is towards cleat. Refer to the two

diagrams on page 6. In most cases cleat will be mounted forward of cheek block near

forward end of boom. If there is other hardware in the way mount cleat aft of block.

Screw block to boom.

Mounting Adjusting Cleat

Mount cleat near forward end of boom so Lazy Jacks may be easily adjusted. Before

mounting cleat, swing boom out as far forward as it will go to make sure cleat does

not hit mast. If you have a single line reefing or other obstruction forward of block,

mount cleat aft of block as pictured on page 6. Use cleat as a template to mark holes

and use center punch.

Do not drill holes for rivets!

Drill size for screws -

" (3.5 mm) Use supplied flat head self-tapping sheet

metal screws.

Note: If you have internal boom control lines, cut off the ends of the self tapping

screws and round off tip to avoid snagging internal lines. First drive screws into

boom to cut threads.

Installing Dead End Eyestrap

Use the eyestrap as a template to mark holes and start holes using a center punch.

DRILL HOLES: Screws 5/32" (4 mm) and Tap #10-32 Rivets 13/64" (5 mm)

Important: Put eyestrap through line eye splice before fastening to mast. Use

" (10 mm) long screws or rivet eyestrap and line to boom.

Measurement from Chart B

Using Shock Cord to Pull Lazy Jacks Outward

We recommend shock cord to hold Lazy Jacks open to make it easier to raise sail.

1. Attach shock cord to the end of the lower spreaders. Hog rings work well for this

purpose. Use rigging tape over hog rings.

2. Temporarily tie other end of shock cord to Lazy Jacks at a length that holds Lazy

Jacks out, yet will not be too short and damage spreaders when boom is swung out.

3. Test length by swinging boom all the way out. If necessary, lengthen shock cord

before permanently attaching to Lazy Jacks.

Mounting Cradle Straps (Make sure you’ve checked sail containment before mounting eyestraps.)

Pull aft line towards end of boom until line intersects with mark you have made as

indicated in chart B. The eyestrap will be located aft of mark. See below.

DRILL HOLES: Screws 5/32" (4 mm) and Tap #10-32 Rivets 13/64" (5 mm)

Make sure line is inside eyestrap before riveting. Use

" (10 mm) long screws

or rivet eyestrap in place.

Boom Cradle Strap Location From Chart B

Alternate cleat location – sheave

side of cheek block is towards cleat

From Chart B

Shock Cord

Conventional Sail Slugs

If using conventional sail slugs, make sure slugs are free to move below the gate.

Use mast gate plates so sail slugs stay in the mast groove. Contact your rigger.

Adjusting Lazy Jacks

The Lazy Jack may be set to proper tension at dock. Raise mainsail and make sure

adjusting line is uncleated at boom. Tighten mainsheet as tight as it will go to find

maximum distance that boom will be lowered while under sail. Next tighten adjusting

line and slack it off 2" (50 mm). The system should be set at a reasonable tension

so it will not interfere with sail shape, yet will contain the sail when lowered onto

the boom. Some further adjustment may be necessary.

Using Your Lazy Jacks - Precautions

Before sailing, make sure Lazy Jacks will not catch on spreaders. While at dock,

swing boom out so sail is against spreader tips. Try lifting boom and shaking to see if

Lazy Jack lines are apt to swing behind spreaders. When first sailing with Lazy Jacks,

look aloft while sailing downwind to see if Lazy Jacks catch behind spreaders. If they

get snagged while sailing, release snagged Lazy Jacks from behind spreader before

bringing mainsail in towards center. If this is not done, you risk breaking spreaders

as mainsheet is tensioned and mainsail moves toward the centerline.

If Lazy jacks are prone to snagging spreader tips, there are 2 solutions. The easiest is

to rig shock cords to pull Lazy Jacks forward out of way of spreader tips. Rig a length

of shock cord on each side of sail. Dead end shock cord at or near gooseneck and

run it up to blocks which are suspended from wires.

If this does not help, you will need to reposition Mast Tangs so they are lower on

mast and do not interfere with spreader tips.

Raising Sail

When hoisting sail, check to make sure the sail does not get caught in the Lazy Jacks.

The headboard or battens may catch between the mast and the Lazy Jacks or jam in

the angle between the lines. If the halyard is forced, this could result in a broken bat-

ten, ripped sail or damaged Lazy Jack. To avoid this, look aloft as you raise the main-

sail and stop if the sail gets caught. Also, make sure the boat is facing head-to-wind.

The sail is less apt to catch on the Lazy Jacks if the topping lift is used and the Lazy

Jacks are somewhat loose. This way they will deflect out of the way easier when the

sail makes contact with them.

1251 E. Wisconsin Ave.

Pewaukee, WI 53072 USA

Tel: (262) 691-3320 • Fax: (262) 691-3008

Website: www.harken.com

E-Mail: [email protected]

Harken Italy S.P.A.

Via Della Cerca, 12/14

22070 Lurago Marinone, Como, Italy

Tel: (39) 031.3523511 • Fax: (39) 031.3520031

E-mail: [email protected]

Harken France

ZA. Port des Minimes

11 Place du Petit Hunier

17000 La Rochelle, France

Tel: (33) 05.46.44.51.20 • Fax: (33) 05.46.44.25.70

E-mail: [email protected]

4058/6-01

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