16 mm) coupler attachment hole so center is 4, 35 mm) slider 1, 22 mm) leave at least – Harken 3838 System B CB & Slider Battcars: built 2005-2006 User Manual
Page 12: Dimensions (measured from aft face of mast), System b cb, System b slider, 14 mm)

Halyard Attachment Hole
Use aft hole if headboard has two.
If not, drill second hole to accept
halyard shackle pin. Locate hole
approximately 2
1
/
2
" (63.5 mm)
aft of existing hole.
Coupler Attachment Hole
Drill
5
/
8
" (16 mm) coupler attachment hole so center
is 4
1
/
4
" (108 mm) from top of headboard and centered
from front edge of boltrope:
CB 1
3
/
8
" (35 mm)
Slider 1
7
/
8
" (22 mm)
Leave at least
3
/
8
" (9 mm) between front of headboard
plate and front edge of coupler attachment hole.
CB/Slider Systems
Installing Headboard Car Assembly
CB/Sliders Systems
Sailmakers Instructions
Dimensions (measured from aft face of mast)
E
F
Part
A
B
C
D
Pin
Ø
Stud
Ø
No.
Description
in mm
in mm
in mm
in mm
in mm
mm
System B CB
3838
Headboard car assembly
10
1
/
2
267
1
7
/
16
36
2
13
/
16
71
4
7
/
16
110
1
/
4
6
—
3839
Intermediate car
2
9
/
16
68
1
7
/
16
36
— —
3
/
4
19
1
/
4
6
—
3840
Battcar/10 mm stud
4
5
/
16
109
1
7
/
16
36
2
13
/
16
71
5
1
/
16
129
1
/
4
6
10
3841
Battcar/12 mm stud
4
1
/
2
114
1
7
/
16
36
2
13
/
16
71
5
1
/
16
129
1
/
4
6
12
3842
Universal Battcar
4
1
/
4
108
1
7
/
16
36
— —
3
/
4
19
1
/
4
6
—
3843
Reef car
5
3
/
16
132
1
7
/
16
36
— —
3
/
4
19
1
/
4
6
—
System B Slider
3833
Headboard car assembly
7
1
/
2
190
1
1
/
4
32
2
1
/
4
57
4
5
/
8
119
1
/
4
6
—
3834
Battcar/10 mm stud
2
3
/
16
56
1
1
/
4
32
2
1
/
4
57
3
9
/
16
91
1
/
4
6
10
3835
Battcar/12 mm stud
2
3
/
16
56
1
1
/
4
32
2
1
/
4
57
3
3
/
4
96
1
/
4
6
12
3836
Intermediate car
2
3
/
16
56
1
1
/
4
32
— —
— —
1
/
4
6
—
Headboard coupler attaches
to standard headboards
—some headboard modifi-
cation required.
Maximum thickness of
headboard plates and
sail:
9
/
16
" (14 mm)
12
System B (CB/Slider)
4252/12-05
CB
3840, 3841
Slider
3834, 3835
D
C
B
A
E
F
CB
3839, 3842,
3843
Slider
3836
B
A
E
D
CB
3838
Slider
3833
D
C
B
A
E
- 3839 System B CB & Slider Battcars: built 2005-2006 3840 System B CB & Slider Battcars: built 2005-2006 3841 System B CB & Slider Battcars: built 2005-2006 3842 System B CB & Slider Battcars: built 2005-2006 3843 System B CB & Slider Battcars: built 2005-2006 3833 System B CB & Slider Battcars: built 2005-2006 3836 System B CB & Slider Battcars: built 2005-2006 3834 System B CB & Slider Battcars: built 2005-2006 3835 System B CB & Slider Battcars: built 2005-2006 3845 System B CB & Slider Battcars: built 2005-2006 3846 System B CB & Slider Battcars: built 2005-2006 3847 System B CB & Slider Battcars: built 2005-2006 3848 System B CB & Slider Battcars: built 2005-2006 3844 System B CB & Slider Battcars: built 2005-2006 1616 System B CB & Slider Battcars: built 2005-2006