Page 1
ONLINE INSTRUCTIONS
40 mm, 57 mm, 75 mm Carbo Ratchets
USA – Tel: (+01) 262-691-3320 • Web: www.harken.com • Email: harken@harken.com
Italy – Tel: (+39) 031.3523511 • Web: www.harken.it • Email: techservice@harken.it
Strictly follow all instructions to avoid an accident, damage to your vessel, personal injury
or death. See www.harken.com for additional safety information.
IMPORTANT: See Inspection and Maintenance
at end of manual.
C
Features
Glass-filled nylon sideplates: load-carrying curved bearing
races.
Machined Hardkote-anodized aluminum sheaves: strength
and corrosion resistance.
B
Eight-facet sheave: holds line securely.
Ratchet on/off switch: 40 mm–2608/2609/2614;
57/75 mm–all blocks.
Ratchet always on: 2610/2611.
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.
Common uses: Main/jib/spinnaker sheets/traveler controls/
genoa sheets/foreguys
A
Part
No.
Description in mm in mm in mm in mm lb kg lb kg
A B C
Max line ØMaximum
working load*
40 mm
2608 Single/swivel 19/1640 33/8 865/3243/810 300 136 1000 454
2609 Single/swivel/becket 1
2610 Single/swivel/471 Carbo-Cam
2611 Single/swivel/471 Carbo-Cam
2612 Triple/swivel/471 Carbo-Cam
2613 Triple/swivel/471 Carbo-Cam
2614 Cheek 1
2619 Triple/471 Carbo-Cam
®
* 19/1640 33/8865/3241/46 150 68 300 136
®
/becket* 19/1640 4 1025/3241/46 300 136 600 272
®
** 19/1640 311/16943/1651/46 750 340 1500 680
®
/becket 19/1640 45/161103/1651/46 900 408 1800 816
®
/29 mm/becket 19/1640 43/41213/1651/46 900 408 1800 816
9
/1640 4 1025/3243/810 300 136 1000 454
9
/1640 23/470 — —3/810 300 136 1000 454
57 mm
2135 Single/swivel 21/457 41/161033/1653/810 500 227 2000 907
2136 Single/swivel/becket 2
2137 Cheek 2
2138 Single/swivel/150 Cam-Matic
2139 Single/swivel/150 Cam-Matic
2140 Triple/swivel/150 Cam-Matic
2141 Triple/swivel/150 Cam-Matic
57 mm fiddle/ratchet 21/457 45/81183/8103/165 793 360 2380 1080
2673
2674 57 mm/fiddle/ratchet/becket 2
2675 57 mm/fiddle/ratchet/150 Cam-Matic
2676 57 mm/fiddle/ratchet/150 Cam/becket 2
®
* 21/457 41/161033/1653/810 300 136 750 340
®
/becket* 21/457 415/161253/1653/810 600 272 1500 680
+
®
*
®
/becket 21/457 415/161253/8101/46 1800 816 4500 2041
1
/457 415/161253/1653/810 500 227 2000 907
1
/457 31/483 — —3/810 500 227 2000 907
21/457 41/161033/8101/46 1500 680 3750 1700
1
/457 55/81433/8103/165 793 360 2380 1080
®
21/457 45/81183/8103/165 793 360 2380 1080
1
/457 55/81433/8103/165 793 360 2380 1080
75 mm
2670 Single/swivel 215/1675 53/81371/467/
2671 Single/swivel/becket 2
2672 Cheek 2
2694 75 mm/fiddle/ratchet 2
2695 75 mm/fiddle/ratchet/becket 2
2696 75 mm/fiddle/ratchet/150 Cam-Matic
2697 75 mm/fiddle/ratchet/150 Cam/becket 2
*Maximum working loads and breaking loads for blocks based on cam strengths **Can be used as becket block – add 281
eyestrap
becket – add 137 eyestrap
+
Can be used as becket block – add 137 eyestrap and (2) HFS929 panhead screws (M5X45)
15
/1675 61/21651/467/
15
/1675 41/16103 — —7/1612 750 341 3000 1361
15
/1675 63/161571/2121/46 1212 550 3637 1650
15
/1675 77/161891/2121/46 1212 550 3637 1650
++
®
*
215/1675 63/161571/2121/46 900 408 3350 1020
15
/1675 77/161891/2121/46 1212 550 3637 1650
16
12 750 341 3000 1361
16
12 750 341 3000 1361
++
Breaking
load*
Can be used as
Ratchet Blocks
Ratchet blocks are hand and crew savers. The eight-sided sheave grips loaded
sheets with up to 15: 1 holding power yet allows a line to be eased instantly with
control. They allow the crew to hand hold main, jib and spinnaker sheets with
only a fraction of the effort that a regular block requires. An on/off switch allows
the ratchet to be turned off in light air to trim and ease lines more easily.
The 2608, 2609 and 2614 have on/off switches; other 40 mm ratchet blocks are
always in ratchet mode.
57 mm (10:1 Holding Power), 75 mm (15:1 Holding Power)
All 57 and 75 mm ratchet blocks have on/off switches.
40 mm
Page 2
Ratchet Direction
Arrow on side of block shows direction that sheave
will spin when ratchet is switched on. Refer to arrow
when reeving block or mounting cheek block.
2614 / 2137 / 2672 Cheek Block
Position block so ratchet turns in desired direction. Flip block to change direction. Use chart below or use
block as a template. Mark holes using centerpunch. Check marks with block before drilling. Remove block
and drill holes using drill size from chart below. Bevel top of deck holes using a small knife to allow sealant to mass. Place gasket under block. Through-bolt block using recommended stainless steel fasteners,
washers and locknuts.
Ratchet cheek blocks include metric panhead screws, washers and nuts. See chart below:
Block
Part No. Size
2614 40 mm 3.25
2137 57 mm 4.25
2672 75 mm 5.25
*Fastener length: Add deck thickness and overhang for nut and washer.
Block
Part
Size
40 mm 2614
57 mm 2137
75mm 2672
E
Drill Size Block Thickness (G)
1
/
8
11
/
64
13
/
64
7
22
/
8
25 1 M4 x 60 mm
31 11/
4
A B C D E F
in mm in mm in mm in mm in mm in mm
No.
5
/
64
4 11/238 — —9/
7
/
32
6 11/238
9
/
32
7 2 51
F
B A
2614
D
2137, 2614, 2672
Supplied
Fastener x Lengthmm in mm in
M3 x 40 mm
M5 x 60 mm
32
3
/89.421/648.3 21/457 31/1678
1
/212.731/6412.4 215/1675 41/16103
E
C
6.9 19/1640 21/457
F
B
A
2137, 2672
D
G
3-Way Cam-Lock – 2135 / 2136 / 2138 / 2139 / 2170 / 2171, 2673,
2674, 2675, 2676, 2694, 2695, 2696, 2697
1
3-Way U-Lock – 2140 / 2141 / 2612 / 2613 / 2619
The 3-Way U-Lock on doubles and triples allows a change
of headpost direction from front to side or allows the
block to swivel. To change headpost direction, remove
shackle, turn post, install shackle. Remove U-Lock to
allow block to swivel.
1. Cam lever up.
Block locks in
front or side
position.
2. Cam lever down.
Block turns
freely.
2
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6:1 Right-Angle Reeving
Dead-end on cam
6:1 Right-Angle Reeving
Dead-end on becket
2
3
4
5
6
6
1
Adjust Cam Angle (Single/40 mm) Reverse Cam Cleat (Single Only)
5:1 Right-Angle Reeving
Dead-end on Becket
6:1 Right-Angle Reeving
Dead-end on becket
1. Loosen cam arm locking plate screw and pull outward
to disengage.
2. Rotate cam arm to desired position.
3. Press locking plate in and tighten screw. Avoid
binding sheave, do not over-tighten screw.
1. Remove screws from cam.
2. Assemble as shown. Note: use plastic plate on cam
bottom.
3. Tighten screws. Do not overtighten screws.
Cam pawls should snap shut smartly.
Adjusting Cam Angle 57 mm (Single/Triple/Fiddle), 75 mm (Fiddle)
1. Remove three cam arm screws on each side.
2. Carefully note position of three screw holes in
block (see diagram).
2. Rotate cam arm to desired position and line
up cam arm holes with screw holes on block.
3. Insert screws into screw holes and tighten.
Do not overtighten screws or sheave will bind.
Part No.
HFS889
1
2
Reeving Multi-Purchase Systems
Right-angle reeving dead-end on becket
6
4
5:1 8:1
5
3
1
2
5
6:1
6
1
2
5
4
3
For larger, printable diagrams, please see: www.harken.com.
Parts — 40 mm Carbo Ratchets
A
C
1
B
2608/2609 40 mm Single Ratchet
No. Description Qty Part No.
1 Shackle Assembly Micro
5
/32" 246
A Shackle Strap 1 HSB104
B Shackle Clevis Pin
5
/32 X .488 1 HSB105
C Split Ring 1 HSB24
Right-angle reeving
dead-end on cam
4
8
6
7
3
2
5
1
6:1
6
2
4
5
1
6
3
2610/2611 40 mm Single Ratchet
w/471 Carbo Cam
1 Screw M3X30 Slotted Panhead 1 HFS888
2 Washer Cam Arm Left 1 H-26265B
3 Washer Cam Arm Right 1 H-27031B
4 Nut M3 1 HFS939
5 Cam Arm Left 1 H-46865
6 Cam Arm Right 1 H-46866
7 Nut M4 2 HFS890
8 Cam Cleat Micro Carbo 1 471
9 Micro Flairlead Black 1 424B
Cam Screws M4X30 Slotted
10
Panhead
11 Cam Plate for Reversing Cam 1 H-27034B
12 Shackle Assembly Micro 5/32” 246
A Shackle Strap 1 HSB104
B Shackle Clevis Pin
C Split Ring 1 HSB24
5
/32 X .488 1 HSB105
2 HFS889
2
1
7
4
6
5
B
12
A
C
11
8
9
10
Page 4
Parts — 40 mm Carbo Ratchets
3
4
2
1
5
10
11
2619 40 mm Triple Ratchet/29 mm/Carbo Cam
1 Nut M3 1 HFS939
2 Washer Left 1 H-26265B
3 Washer Right 1 H-27031B
4 29mm 90 Degree Fixed Block 1 352
5 Spring 1 097
6 Eyestrap, Micro 1 281
Cam Arm Fastener M4X70
7
Custom
8 Cam Arm 1 H-27052C
9 Cam Nut M4 2 HFS890
10 Cam Cleat, Micro Carbo 1 471
11 Micro Flairlead Black 1 424B
Cam Screw M4 X 30 Slotted
12
Panhead
13 U-Lock 1 H-27808A
Shackle 5mm Hybrid Shallow
14
Bow
7
8
1 HFS895
2 HFS889
1 HCP1568
2612/2613 40 mm Triple Ratchet w/Carbo Cam
6
9
1 Nut M3 1 HFS939
2 Washer Left 1 H-26265B
3 Washer Right 1 H-27031B
4 Cam Arm Fastener M4X70
Custom
5 Cam Arm 1 H-27052C
6 Cam Nut M4 2 HFS890
7 Cam Cleat, Micro Carbo 1 471
8 Micro Flairlead Black 1 424B
Cam Screw M4 X 30 Slotted
9
Panhead
10 U-Lock 1 H-27808A
Shackle 5mm Hybrid Shallow
11
Bow
4
5
2
1
7
13
14
6
3
9
11
1 HFS895
2 HFS889
1 HCP1568
8
10
12
2614 40 mm Cheek Block
1
2
3
4
3
4
1 M3-.5X40mm Slotted
Panhead Screw
2 Gasket 1 H-34924A
3 M3 Flatwasher 3 HFS1008
4 M3 Full Nut 3 HFS939
3 HFS1014
Inspect Block and Shackle Before You Sail
WARNING! Failure to inspect and replace damaged metal parts and/or worn or frayed line
can cause block or system to break suddenly causing an accident, damage to your vessel,
personal injury or death. See www.harken.com for additional safety information.
Frequently inspect shackles and shackle posts for signs of corrosion, cracks, or elongation. When
replacing shackles, use the correct Harken parts to maintain the proper strength. Replace line as
necessary, taking into consideration the maximum size recommendation.
Maintenance
Harken equipment is designed for minimal maintenance. However, some upkeep is required to give
the best service and comply with the Harken limited warranty.
Keep your equipment clean and free-running by frequently flushing with fresh water. Periodically
clean with mild detergent and water solution. Spin sheaves to distribute soap solution evenly.
Flush with fresh water.
Important: Exposure to some teak cleaners and other caustic solutions can result in discoloration
of part and is not covered under the Harken warranty.
Warranty
For additional safety, maintenance, and warranty information see www.harken.com or the Harken
catalog.
M1005/04-26-11
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