Harken 2636 40 mm Shackle & Cheek Block - Manual (Page 2)

Right-angle reeving dead-end on becket
For larger, printable diagrams, please see: www.harken.com.
3-Way U-Lock—2638 / 2639 / 2640 / 2641 / 2647 / 2648 / 2654
Part No.
HFS889
1 2
Adjust Cam Angle (Single/Triple) Reverse Cam Cleat (Single Only)
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.
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.
Integral Becket—2650 / 2652 / 2659
Deadend line at mouth to construct a 2:1 or 3:1 system.
Reeving Multi-Purchase Systems
2652 Stand-Up
2652
Part
No. Fasteners
A B C
in mm in mm in mm
2652 M5 or #10 PH/RH* 7 /
16
11 1 1 /
4
32 1 11 /
16
43
*Fastener length: Add deck thickness and overhang for nut and washer.
A
C
B
Using eyestrap as template, mark holes using a centerpunch. Remove block and drill
holes using a 11 /
64
" (4.2 mm) drill. Bevel top of holes using a small knife to allow
sealant to mass. Through-bolt using recommended stainless steel fasteners,
washers and locknuts.
5:1 Right-Angle Reeving
Dead-end on Becket
1
2
3
4
5
5
4:1 Right-Angle Reeving
Dead-end on Becket
1
2
3
4
4
1
2
3
4
5
6
6:1 Right-Angle Reeving
Dead-end on cam
6:1 Right-Angle Reeving
Dead-end on becket
6
2
3
4
5
6
6
1
6:1 5:1 4:1
The 3-Way U-Lock 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.