Harken HC7906, Installation Manual

Page: 18 / 24

18
Headboard coupler attaches to standard headboards. Some headboard modification required.
Maximum thickness of headboard plates and sail: 14 mm ( 9 /
16
").
Halyard attachment hole
Use aft hole if headboard has two (2).
If not, drill second hole to accept halyard shackle pin.
Locate hole approximately 64 mm (2
1
/
2
") aft of existing hole.
Coupler attachment hole
Drill 11 mm (
7
/
16
") coupler attachment hole so center
is 101 mm (4") from top of headboard and 51 mm (2")
from front edge of boltrope.
Leave at least 9 mm (
3
/
8
") between front of headboard
plate and front edge of coupler attachment hole.
Installing Headboard Car Assembly
Sailmakers Instructions Slug-Mount / Drill and Tap Mount
Dimensions (measured from aft face of mast)
100mm
(4")
51 mm (2")
Min 9.5 mm
(
3
/
8
")
Coupler
attachment hole
Mounted on slug mount track
A B C boltrope setback D E pin Ø F stud Ø
Part No. Description in mm in mm in mm in mm mm mm
HC7906 Headboard car 7
13
/
16
198 1
1
/
4
31 2
9
/
16
65 4
3
/
16
106 6 —
HC7905 Intermediate car 2
1
/
2
63 1
1
/
4
31 2
9
/
16
65
3
/
4
19 6 —
HC8537 Batten car (10 mm stud) 2
1
/
2
63 1
1
/
4
31 2
9
/
16
65 3
9
/
16
90 6 10
HC7906HL
Headboard car 7
13
/
16
198 1
1
/
4
31 2
9
/
16
65 4
3
/
16
106 6 —
HC7905HL Intermediate car 2
1
/
2
63 1
1
/
4
31 2
9
/
16
65
3
/
4
19 6 —
HC7904HL Batten car (12 mm stud) 2
1
/
2
63 1
1
/
4
31 2
9
/
16
65 3
3
/
4
95 6 12
HC8537HL Batten car (10 mm stud) 2
1
/
2
63 1
1
/
4
31 2
9
/
16
65 3
9
/
16
90 6 10
Mounted on drill tap track
A B C boltrope setback D E pin Ø F stud Ø
Part No. Description in mm in mm in mm in mm mm mm
HC7906 Headboard car 7
13
/
16
198 1
1
/
8
29 2
15
/
32
62 4
1
/
16
103 6 —
HC7905
Intermediate car 2
1
/
2
63 1
1
/
8
29 2
15
/
32
62
3
/
4
19 6 —
HC8537 Batten car (10 mm stud) 2
1
/
2
63 1
1
/
8
29 2
15
/
32
62 3
7
/
16
88 6 10
HC7906HL Headboard car 7
13
/
16
198 1
1
/
8
29 2
15
/
32
62 4
1
/
16
103 6 —
HC7905HL
Intermediate car 2
1
/
2
63 1
1
/
8
29 2
15
/
32
62
3
/
4
19 6 —
HC7904HL Batten car (12 mm stud) 2
1
/
2
63 1
1
/
8
29 2
15
/
32
62 3
5
/
8
92 6 12
HC8537HL Batten car (10 mm stud) 2
1
/
2
63 1
1
/
8
29 2
15
/
32
62 3
7
/
16
88 6 10
64 mm
(2
1
/
2
")
Halyard
attachment
hole
HC7906
HC7906HL
C
B
A
E
D
HC7905
HC7905HL
A
E
D
B
HC7904HL
HC8537HL
HC8537
D
E
B
C
A
F