Unit 1, Unit 2, Unit 1 unit 2 top foil length from worksheet: 6 – Harken 7311.10 Cruising Jib Reefing & Furling User Manual
Page 11: 171 mm) 9, Unit 1 unit 2 top foil length from worksheet: 3, Unit 1 unit 2 top foil length from worksheet: 1
08/23/10
Unit 1, 2 Cruising
11
Preassembly
Short Top Foil
Use one of the following special techniques for short foils to ensure sufficient bearing surface for foil in area of
halyard swivel.
Top foil length
from worksheet
Actual top foil
Shorten bottom of
bottom foil by this
amount
in
mm
in
mm
in
mm
UNIT 1
3
1
/
2
89
4
102
0
0
3
76
4
102
1
25
2
1
/
2
64
4
102
1
1
/
2
38
2
51
4
102
2
51
1
1
/
2
38
4
102
2
1
/
2
64
UNIT 2
5
1
/
2
140
5
3
/
4
146
0
0
5
127
5
3
/
4
146
1
25
4
1
/
2
114
5
3
/
4
146
1
1
/
2
38
4
102
5
3
/
4
146
2
51
3
1
/
2
89
5
3
/
4
146
2
1
/
2
64
3
76
5
3
/
4
146
3
76
2
1
/
2
64
5
3
/
4
146
3
1
/
2
89
Unit 1
Unit 2
Top foil length from worksheet:
6
3
/
4
" (171 mm)
9
1
/
8
" (232 mm)
No change necessary.
Unit 1
Unit 2
Top foil length from worksheet:
6
1
/
2
" – 4" (165 – 102 mm) 9" - 5
3
/
4
" (229 - 146 mm)
Cut top trim cap as shown above.
Cut-Offs
Do Not Use
Cut top
trim cap
Unit 1
Unit 2
Top foil length from worksheet:
3
1
/
2
" -
1
1
/
2
"
(89 - 38 mm)
5
1
/
2
" –
2
1
/
2
"
(89 - 64 mm)
Actual Top Foil
4" (102 mm)
5
3
/
4
" (146 mm)
Do not cut top foil to length from worksheet. Cut top
foil to 4" (102 mm) or 5
3
/
4
" (146 mm) and shorten trim
cap as shown in middle photo above. Shorten bottom
foil per chart below.
Cut-Offs
Do Not Use
Unit 1
Unit 2
Top foil length from worksheet:
1" -
1
/
2
" (25 – 13 mm)
2" -
1
/
2
" (51 – 13 mm)
Do not use short top foil. Use full length foil and
clamp foil higher in drum assembly.