Harken FLY, FLY 2698, FLY 2158, FLY 2171, FLY 2173 Instructions Manual

INSTRUCTIONS

FLY™ BLOCK

USA – Tel: [phone] • Web: www.harken.com • Email: [e-mail]

Italy – Tel: [phone] • Web: www.harken.it • Email: [e-mail]

WARNING! Strictly follow all instructions to avoid an accident, damage to your vessel,
personal injury or death. See www.harken.com/manuals for additional safety information.

Specifications

Part

No. Description

2698

18 mm single 18 mm 5 3/16 125 275 450 992 HCP1438

2158

18 mm double 18 mm 5 3/16 204 450 680 1500 HCP1438

2161

18 mm single/narrow 18 mm 5 3/16 125 275 450 992 HCP1438

2171

29 mm single 29 mm 7 9/32 350 770 700 1540 Line not included

2173

40 mm single 40 mm 9 11/32 650 1435 1300 2870 Line not included

Sheave

Terms

Bail

2 Laps

Head

Max sheet line Ø Max working load Breaking load

mm in kg lb kg lb

Ø

Planning Installation

CAUTION! Avoid injury or damage to
equipment. Follow these precautions:

4 Lashing
Strands

Sheave

1. Lash only to objects with rounded edges.
Avoid sharp corners.

Replacement
Lashing Line

Mouth

Rounded Sharp

2. Always lash to mouth of the block. Head is not strong enough to secure line.

Head

Head

3. The 18 mm blocks ship with lashing line. Use
two laps of supplied line to create four strands
to match the maximum working load of the
block.

4. Blocks 2161, 2171, 2173: Use sailmaker's
twine or similar to secure lashing strands to head.
Blocks 2171, 2173: Use tubes at head to secure
lashing strands to head.

Tying Knots

See www.harken.com/knots. Alternatively, consult a good knot tying book or consult a rigger.

Lashing at 0° – Block and Bail In-line

Run line through mouth, through head, around bail, and down on other side. Repeat so there are two laps.

Blocks 2161, 2171, 2173: Use needle and

sailmaker’s twine or similar to secure lashing
strands to head.

Tie ends using a Carrick knot or other secure knot. Photo is
not intended to teach this knot. Consult knot tying book or
see www.harken.com/knots.

Do not tie square knot
or “granny knot”.
These can loosen.

Lashing at 90° – Block 90° to Bail

Run line through mouth, head, around bail, and back on the same side. Run line from mouth through
head, around bail, and back on the other side for a second lap. Secure with Carrick knot or other secure
knot. Consult knot tying book or see www.harken.com/knots.

Blocks 2161, 2171,
2173: Use

sailmaker’s twine
or similar to secure
lashing strands to
head.

Lap on same side.