INSTRUCTIONS
T2
™
Ratchamatic
®
Blocks
2159, 2160, 2167, 2170
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.
Part
No.
Description
Sheave Ø
Max line Ø
Maximum working load
Breaking load
in
mm
lb
kg
lb
kg
2159
40 mm
40 mm
3
/
8
10
300
136
1000
454
2160, 2167, 2170
57 mm
57 mm
3
/
8
10
500
227
2000
907
Specifications
USA – Tel: (+01) 262-691-3320 • Web: www.harken.com • Email: [email protected]
Italy – Tel: (+39) 031.3523511 • Web: www.harken.it • Email: [email protected]
Features
Soft attach block can be lashed or spliced.
Glass-filled nylon sideplates: load-carrying curved bearing races.
Machined hardkote-anodized aluminum sheaves: strength
and corrosion resistance.
Fast trim: Free-running ball bearings.
Hand-hold and release loaded line: Faceted aluminum sheave
grips line securely. Ratchets provide mechanical advantage.
Multi-faceted Power3 sheaves: very aggressive holding power
Load-sensing ratchet block: rolls freely in both directions under
low loads and automatically engages ratchet as loads increase.
Ratchet engagement adjustable: adjustable to ratchet at higher/
lower load to match sailor's strength and sailing style.
Common uses: Main/jib/spinnaker sheets on dinghies and
sportboats; control lines on boats of all sizes.
Terms
Important information on choosing line, knots and splices.
Go to www.harken.com/knots
Replacement Line
Part
No.
Description
Sheave
Ø
Replacement
loops / lines
Replacement line
Ø
Line length
before making loop
Line
type
in
mm
ft
m
2159
40 mm
40 mm
HCP1419
3
/
32
2.5
4
1.22
Maxibraid
2160,
2167, 2170
57 mm
57 mm
HCP392
1
/
8
3
4
1.22
Maxibraid
Contents
Page No.
Planning installation
2
Using T2 Ratchamatic
®
blocks; holding power
3
Choosing knots and splices
4
Lashing to boom
4
Lashing to bail using Harken supplied line
5
Using alternate line knots and splices
5, 6
Inspection and maintenance
6
Warranty reference
6
Bail
Head
Mouth
Lashing
strands
Laps
Sheave
Sideplate
Trigger
Delrin is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.
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