INSTRUCTIONS
57 mm, 75 mm Carbo Ratchamatics
Italy
–
T
el:
(+39) 031.3523511 • Web:
www.harken.it • Email: techser[email protected]Strictly follow all instructions to avoid an accident, damage to your vessel, personal injury
or death. See www.harken.com for additional safety information.
A
B
C
Load-sensing ratchet block: rolls freely in both directions
under low loads and automatically engages ratchet as loads
increase.
Eight-facet sheave: holds line securely.
Ratchet engagement adjustable: adjustable to ratchet at
higher/lower load according to sailor's strength and sailing
style.
Glass-filled nylon sideplates: load-carrying curved bearing
races.
Machined Hardkote-anodized aluminum sheaves: strength
and corrosion resistance.
Cam arm locking plates: Allows cam arms to be locked in
more than five positions for fair leads.
Cheek: Line-shedding, small mounting footprint and drain
holes. Mounts on port or starboard.
Common uses: Main/jib/spinnaker sheets/traveler controls/
genoa sheets/foreguys
Features
IMPORTANT: See Inspection and Maintenance
at end of manual.
Do not apply a load greater than the Maximum working load (MWL) of the Carbo Ratchet listed below.
Part
No.
A B C
Max line
Ø
Maximum
working load
Breaking
load
Description in mm in mm in mm in mm lb kg lb kg
57 mm
2625 Single 2
1
/
4
57 4
1
/
16
103
3
/
16
5
3
/
8
10 500 227 2000 907
2626 Single/becket 2
1
/
4
57 4
15
/
16
125
3
/
16
5
3
/
8
10 500 227 2000 907
2627 Single/150 Cam-Matic
®
2
1
/
4
57 4
1
/
16
103
3
/
16
5
3
/
8
10 300 136 750 340
2628 Single/150 Cam-Matic
®
/becket 2
1
/
4
57 4
15
/
16
125
3
/
16
5
3
/
8
10 600 272 1500 680
2633 Cheek** 2
1
/
4
57 3
1
/
4
83 — —
3
/
8
10 500 227 2000 907
2629 Triple/150 Cam-Matic
®
2
1
/
4
57 4
1
/
16
103
1
/
4
6
3
/
8
10 1500 680 3750 1700
2630 Triple/150 Cam-Matic
®
/becket 2
1
/
4
57 4
15
/
16
125
1
/
4
6
3
/
8
10 1800 816 4500 2041
2632
Triple/150 Cam-Matic
®
/40 mm
block/becket
2
1
/
4
57 6
1
/
8
156
1
/
4
6
3
/
8
10 1800 816 4500 2041
2634 Double 2
1
/
4
57 4
9
/
16
116
1
/
4
6
3
/
8
10 750 340 1875 851
75 mm
2680 Single 2
15
/
16
75 5
3
/
8
137
1
/
4
6
7
/
16
12 750 341 3000 1361
2681 Single/becket 2
15
/
16
75 6
1
/
2
165
1
/
4
6
7
/
16
12 750 341 3000 1361
2682 Cheek** 2
15
/
16
75 4
1
/
16
103 — —
7
/
16
12 750 341 3000 1361
2683 Single/150 Cam-Matic
®
2
15
/
16
75 5
7
/
16
138
1
/
4
6
7
/
16
12 300 136 750 340
2684 Single/150 Cam-Matic
®
/becket 2
15
/
16
75 6
1
/
2
165
1
/
4
6
7
/
16
12 600 272 1500 680
2685 Triple/150 Cam-Matic
®
2
15
/
16
75 6
3
/
16
137
5
/
16
8
7
/
16
12 1500 680 3750 1700
2686
Triple/150 Cam-Matic
®
/becket‡ 2
15
/
16
75 6
1
/
2
165
5
/
16
8
7
/
16
12 1800 816 4500 2041
2687
Triple/150 Cam-Matic
®
/57 mm
block/becket
2
15
/
16
75 6
1
/
2
165
5
/
16
8
7
/
16
12 1800 816 4500 2041
**Includes RH fasteners and mounting pad.
Ratchet blocks are hand and crew savers. The eight-sided sheave grips loaded
sheets with up to 15: 1 holding power. Ratchamatic blocks spin freely in both
directions under low load. At higher load, ratchet engages, providing holding
power. As the load decreases, the ratchet shifts back into light air mode and
free spins. Unloaded main and jib sheets run out freely during mark roundings
and asymmetrical spinnakers run free during jibes.
57 mm (10:1 Holding Power), 75 mm (15:1 Holding Power)
Ratchamatic Blocks
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