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
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.
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 on dinghies and sportboats;
control lines on boats of all sizes.
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
®
Ratchamatic
®
blocks 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
2165
Single/swivel/Power3/ 1.5x grip
2
1
/
4
57
4
1
/
16
103
3
/
16
5
3
/
8
10
500
227
2000
907
2168
Single/swivel/Power3/ 2x grip
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
2175
Single/swivel/Power3/ 1.5x grip
2
15
/
16
75
5
3
/
8
137
1
/
4
6
7
/
16
12
750
341
3000 1361
2177
Single/swivel/Power3/ 2x grip
2
15
/
16
75
5
3
/
8
137
1
/
4
6
7
/
16
12
750
341
3000 1361
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.
O N L I N E I N S T R U C T I O N S
57 mm, 75 mm Carbo
®
Ratchamatic
®
Blocks
USA
–
Tel:
(+01) 262-691-3320 •
Web:
www.harken.com •
Email:
Italy
–
Tel:
(+39) 031.3523511 •
Web:
www.harken.it •
Email:
Ratchamatic
®
Blocks
3-Way Cam-Lock—All Ratchamatic
®
Singles
1. Cam lever up.
Block locks in
front or side
position.
2. Cam lever down.
Block turns
freely.
1
2