Battcar Installation Manual
System B CB and Slider Cars
6mm Clevis Pin
CB/Slider Systems Parts List
Thank you for puchasing Harken's B
Battcar system. Please read manual
before assembling system.
Headboard Cars (Assembly)
3838
CB
Track Mounting Kit
3845, 3846
3833
Slider
Spare
Car
Screws
Intermediate Cars
3839
CB
3836
Slider
Batten Cars without Receptacle
3840/3841 – CB
3834/3835 – Slider
Screwpin Endstop Kits
e
3847, 3848
f
Universal Battcar
Reef Car
3842
CB
3843 – CB
You will need these tools:
Tape Me a sur e
Phillips Screwdriver
Power screwdriver
Drill / Drill Bit:
Hex wrench: 5 mm
Nut Driver: 10 mm or Open/Box Wrench
Centerpunch / Hammer
Putty knife / Hacksaw / File / Tape
Mast-Up Installation: Stepladder
g
secured to the boat.
Work Height: 7' (2.13 m) above boom.
17
/64" (6.5 mm)
h
a
b
d
c
k
CB/Slider System Parts
CB System
Part No.
3838 3833
3839 3836
3840 3834
3841 3835
3842 —
3843 —
Track and Accessories
Part No. Description Includes
3845, 3846
3847
3848
3850, 3851
3844
1616
Slider System
Part No.
Headboard cars
Intermediate cars If battens are close enough intermediate cars are not needed.
Batten car 10 mm Threaded stud. Purchase batten receptacle separately.
Batten car 12 mm Threaded stud. Purchase batten receptacle separately.
Universal Battcar Purchase batten receptacle and threaded stud separately.
Reef Tack car Requires special track with closer hole spacing
Track Mounting
Kit
Screwpin
Endstop Kit
Endstop Kit (g) 2 endstops 1522A; (i) 4 HFS1037 flathead screws 6 x 30 mm; (f) 2 stop slugs 1
Track (slug type) Section length: 6'9
Track (drill and
tap type)
(a) 19 mounting slugs
(c) 2 Tubes Blue Loctite
(e) 1 end track with screwpin stop; (f) 1 top stop slug 1
(22 mm); (i) 2 HFS321 flathead screws 6 x 20 mm; (j) 2 HFS1037 flathead screws 6 x 30 mm; (k) 1 tube blue Loctite
Use for masts without grooves or when slugs will not fit. Purchase stainless steel
Do not use 3844 track. It requires mounting slugs. See page 8 for drill/tap sizes and mounting instructions.
Description
7
/8" (22 mm); (b) 1 connector slug 3" (76 mm);
®;
(d) 21 HFS321 Flathead screws 6 x 20 mm.
1
/8" (2.06 m). Number of track sections depends on luff length of your mainsail.
Track (Mounting Slug Type)
Endstop Kits
3850, 3851
i
j
3844
11/16" (27 mm)
1616
9
/16"
(14 mm)
9
/16"
(14 mm)
Track (Drill and Tap Type)
Comments
7
/16" (36 mm); (g) 1 top endstop 1522A; (h) 1 mounting slug 7/8"
7
/16" (36 mm)
1
/4" (6 mm) screws separately.
®.
System B (CB/Slider) 4252/12-05
2
CB/Slider Systems Sizing/Sail Modifications
Sizing
Make sure that you have the correct size battcar system for your boat.
Maximum Sail Area
Monohull Multihull
CB System
2
900 ft
83 m
2
700 ft
65 m
Slider System
2
900 ft
83 m
2
700 ft
65 m
Part No.
Headboard
2
2
2
2
3811 3840, 3841 3839
3833 3834, 3835 3836
Part No.
Battcars
Part No.
Intermediate Cars
Sail Modifications
See page 12.
1. Mainsail Headboard
A. Drill new halyard location
B. Drill Attachment to accept clevis
pin for #3833 or 3838 headboard
car coupler.
2. Batten receptacle on sail to accept 10 mm
threaded stud. Note: Harken does not
supply receptacle.
3. Becket spacer on sail for 3839 (CB) or
3836 (slider) intermediate cars.
CB/Slider Systems Track Length
Number of Track Sections
1
8"
203 mm
Botton endstop track and variable length
top track included.
Number of
Track 6'91/8" (2.06m)
Length Track Sections
41'6" to 48'2"
12.649 m to 14.681 m
48'3" to 54'11"
14.707 m to 16.739 m
55'0" to 61'8"
16.764 m to 18.796 m
61'9" to 68'5"
18.821 m to 20.853 m
68'6" to 75'2"
20.879 m to 22.911 m
7
8
9
10
11
Determine Track Length
Measure track length from point 1 to point 2.
See diagram at left. Use this measurement
2
in two charts to follow.
1. Upper End—8" (203 mm) above black band. Track
is longer than sail luff length to allow for stretch as
sail ages. Track must not block halyard exit.
2. Lower End, Using 3847, 3848—Bottom of track
will be approximately 3/8" (10 mm) above gooseneck
fitting. When installed, track should be as low as
possible yet you should still be able to install
long headboard cars. Test measurement by
using long headboard car. See photo above.
3850, 3851 Endstop Kit—Cut a 93/8" (238 mm) piece
from finished end of one of the 6'91/8" (2.06 m) 3844
tracks. You will remove this track when loading cars
so it can be lower on mast. See page 7, step 11.
Drill lower hole for stop. See page 5, step 3.
4252/12-05 System B (CB/Slider)
3
CB/Slider Systems Top Track Length
Round track length to nearest 1" (25 mm).
NOTE: Chart is based on using a 9
3
/8" (238 mm) or 91/2" (241 mm) lower end track.
Total Track Length (as defined on page 3) Top Track Length
41' 6" 12.649 m 48' 3" 14.707 m 55' 0" 16.764 m 61' 9" 18.821 m 68' 6" 20.879 m 11/2" 38 mm
3
41' 7" 12.675 m 48' 4" 14.732 m 55' 1" 16.789 m 6 1' 10" 18.847 m 68' 7" 20.904 m 2
41' 8" 12.700 m 48' 5" 14.757 m 55' 2" 16.815 m 61' 11" 18.872 m 68' 8" 20.930 m 3" 76 mm
41' 10" 12.751 m 48' 7" 14.808 m 55' 4" 16.866 m 62' 1" 18.923 m 68' 10" 20.980 m 5" 127 mm
42' 0" 12.802 m 48' 9" 14.8 59 m 55' 6" 16.916 m 62' 3" 18.974 m 69' 0" 21.031 m 7" 178 mm
42' 2" 12.852 m 48' 11" 14.910 m 55' 8" 16.9 67 m 62' 5" 19.025 m 69' 2" 21.082 m 9" 229 mm
42' 4" 12.903 m 49' 1" 14.961 m 55' 10" 17. 018 m 62' 7" 19.075 m 69' 4" 21.13 3 m 11" 279 mm
42' 6" 12.954 m 49' 3" 15. 011 m 56' 0" 17. 06 9 m 62' 9" 19 .126 m 69' 6" 21.18 4 m 1' 1" 330 mm
42' 8" 13.00 5 m 49' 5" 15.062 m 56' 2" 17.120 m 6 2' 11" 19 .17 7 m 69' 8" 21.234 m 1' 3" 381 mm
42' 10" 13.0 56 m 49' 7" 15.113 m 56' 4" 17.170 m 63' 1" 19.228 m 69' 10" 21.28 5 m 1' 5" 432 mm
43' 0" 13.10 6 m 49' 9" 15.16 4 m 56' 6" 17. 2 21 m 63' 3" 19.279 m 70' 0" 21.336 m 1' 7" 483 mm
43' 2" 13.157 m 49' 11" 15.215 m 56' 8" 17. 2 72 m 63' 5" 19.329 m 70' 2" 21. 387 m 1' 9" 533 mm
43' 4" 13.20 8 m 50' 1" 15.265 m 56' 10" 17. 3 23 m 63' 7" 19.380 m 70' 4" 21.438 m 1' 11" 584 mm
43' 6" 13.259 m 50' 3" 15.316 m 57' 0" 17. 374 m 63' 9" 19.431 m 70' 6" 21.48 8 m 2' 1" 635 mm
43' 8" 13.310 m 50' 5" 15.367 m 57' 2" 17. 424 m 63' 11" 19.482 m 70' 8" 21.5 39 m 2' 3" 686 mm
43' 10" 13.360 m 50' 7" 15.418 m 57' 4" 17.475 m 64' 1" 19.5 33 m 70' 10" 21.590 m 2' 5" 737 mm
44' 0" 13.411 m 50' 9" 15.469 m 57' 6" 17.5 2 6 m 64' 3" 19.58 3 m 71' 0" 21.6 41 m 2' 7" 787 mm
44' 2" 13.46 2 m 5 0' 11" 15.519 m 57' 8" 17. 5 7 7 m 64' 5" 19.634 m 71' 2" 21.692 m 2' 9" 838 mm
44' 4" 13.513 m 51' 1" 15.570 m 57' 10 " 17. 62 8 m 64' 7" 19.685 m 71' 4" 2 1.742 m 2' 11" 889 mm
44' 6" 13.564 m 51' 3" 15.6 21 m 58' 0" 17.6 7 8 m 64' 9" 19.736 m 71' 6" 21.793 m 3' 1" 940 mm
44' 8" 13.614 m 51' 5" 15.672 m 58' 2" 17.7 2 9 m 64' 11" 19.787 m 71' 8" 21.844 m 3' 3" 991 mm
44' 10" 13.665 m 51' 7" 15.723 m 58' 4" 17. 7 8 0 m 65' 1" 19.837 m 71' 10" 21.895 m 3' 5" 1.0 41 m
45' 0" 13.716 m 51' 9" 15.773 m 58' 6" 17.831 m 65' 3" 19.888 m 72' 0" 21.946 m 3' 7" 1.092 m
45' 2" 13.767 m 51' 11" 15.824 m 58' 8" 17. 8 8 2 m 65' 5" 19.939 m 72' 2" 21.996 m 3' 9" 1.14 3 m
45' 4" 13.818 m 52' 1" 15.875 m 5 8' 10" 17. 9 32 m 65' 7" 19.990 m 72' 4" 22.047 m 3' 11" 1.19 4 m
45' 6" 13.86 8 m 52' 3" 15.926 m 59' 0" 17.9 8 3 m 65' 9" 20.0 41 m 72' 6" 22.098 m 4' 1" 1.245 m
45' 8" 13.919 m 52' 5" 15.977 m 59' 2" 18.0 3 4 m 6 5' 11" 20.091 m 72' 8" 2 2 .149 m 4' 3" 1.295 m
45' 10" 13.970 m 52' 7" 16.027 m 59' 4" 18.085 m 66' 1" 20.142 m 72' 10 " 22.200 m 4' 5" 1.34 6 m
46' 0" 14.021 m 52' 9" 16.078 m 59' 6" 18 .136 m 66' 3" 20 .193 m 73' 0" 22.250 m 4' 7" 1.397 m
46' 2" 14.072 m 52' 11" 16.129 m 59' 8" 18.186 m 66' 5" 20.244 m 73' 2" 22.301 m 4' 9" 1.4 4 8 m
46' 4" 14.12 2 m 53' 1" 16.18 0 m 59' 10 " 18. 237 m 66' 7" 20.295 m 73' 4" 22.352 m 4' 11" 1.49 9 m
46' 6" 14.17 3 m 53' 3" 16.231 m 60' 0" 18. 288 m 66' 9" 20.345 m 73' 6" 22.403 m 5' 1" 1.549 m
46' 8" 14.224 m 53' 5" 16.281 m 60' 2" 18. 339 m
66' 11" 20.396 m 73' 8" 22.454 m 5' 3" 1.600 m
46' 10" 14.275 m 53' 7" 16.332 m 60' 4" 18.390 m 67' 1" 20.447 m 73' 10" 22.504 m 5' 5" 1.651 m
47' 0" 14.326 m 53' 9" 16.383 m 60' 6" 18.4 40 m 67' 3" 20.498 m 74' 0" 22.555 m 5' 7" 1.70 2 m
47' 2" 14.376 m 53' 11" 16.434 m 60' 8" 18.491 m 67' 5" 20.549 m 74' 2" 22.606 m 5' 9" 1.75 3 m
47' 4" 14.427 m 54' 1" 16.485 m 60' 10" 18.542 m 67' 7" 20.599 m 74' 4" 22.657 m 5' 11" 1.803 m
47' 6" 14.478 m 54' 3" 16.5 35 m 61' 0" 18.59 3 m 67' 9" 20.650 m 74' 6" 22.708 m 6' 1" 1.8 54 m
47' 8" 14.529 m 54' 5" 16.586 m 61' 2" 18.644 m 6 7' 11" 20.701 m 74' 8" 22.758 m 6' 3" 1.905 m
47' 10" 14.580 m 54' 7" 16.637 m 61' 4" 18.694 m 68' 1" 20.752 m 74' 10 " 22.809 m 6' 5" 1.956 m
48' 0" 14.6 30 m 54' 9" 16.688 m 61' 6" 18 .745 m 68' 3" 20.803 m 75' 0" 22.860 m 6' 7" 2.007 m
48' 2" 14.6 81 m 54' 11" 16.739 m 61' 8" 18.796 m 68' 5" 20.853 m 75' 2" 22.911 m 6' 91/8" 2.060 m
System B (CB/Slider) 4252/1-05
4
/8" 60 mm
CB/Slider Systems Cut Top Track to Length
13/16"
(30 mm)
5
/
16
" (8 mm)
1. Cut special length top track from 6'91/8"
(2.06 m) track.
2. Deburr cut.
Slightly round track corners that will slide
against mast.
3. Drill two 17/64" (6.5 mm) holes in cut
end of track. Center at 5/16" (8 mm) and
13/16" (30 mm)
Short top track lengths
1
1
/2" (38 mm) Use existing hole. Do not
drill second hole.
3
2
/8" (60 mm) Use existing hole, drill hole
5
/16" (8 mm) from cut end.
CB/Slider Systems Check Fit of Mounting Slugs & Car
Will Tighten
Test track: Put mounting slug in groove,
track section on mast. Tighten with screw.
Will Not Tighten
Mounting screw must be long enough for
mast groove. If necessary, purchase
longer screws.
Check Fit
3" (76 mm) connector slug must fit feeder
opening. File opening to make longer.
Use halyard with retrieval line to run
3" (76 mm) connector slug up mast
to check for burrs in groove.
5 or
more
Warning! Screws need minimun
5 threads (turns) engaged to hold
Slug
track to mast.
Mast prebend: May require straightening
before installation.
4252/1-05 System B (CB/Slider)
Turn screw 360° five times after
threads engage slug.
Slug
Clear of Trysail Track?
Cars must clear storm trysail track. Tracks
often converge above spreaders.
Aft face of mast must be flat or convex.
5
CB/Slider Systems Install Track
1.
Slip top track slugs into mast groove. Use
17/16" (36 mm) mounting slug for top stop.
Short top track lengths Top slug
1
1
/2" (38 mm) 3" (76 mm)
3
2
/8" (60 mm)
7
/8" (22 mm)
Install 3" (76 mm) connector slug at
bottom.
Mast up: Tape 17/16" (36 mm) slug even
with top of upper track. Tape other slugs
in place.
2. One drop blue Loctite® into each
connector slug hole.
3. Thread a 6 x 20 mm screw through
endstop, track, and into endstop slug.
Short top track lengths
1
1
/2" (38 mm) Use one screw in stop
3
2
/8" (60 mm) Use both screws
Mast up: Remove tape. Tighten screw to
hold track.
5. Loosen top screw. Slide top track up and
position next 6'91/8" (2.06 m) track.
4. Slide slugs into place with putty knife.
Loosely install 6 x 20 mm screws.
TIP: Use putty knife to see if screws
are loose enough to slide in groove.
REMEMBER: Tracks may stick when
reaching a spliced area on mast.
System B (CB/Slider) 4252/1-05
6
Mast up: Tighten bottom screw to hold
track.
6. Slide 19 mounting slugs and connector
slug into mast groove.
Mast up: Tape in place.
Put one drop blue Loctite® into each hole.
CB/Slider Systems Install Track
7. Hold full-length track piece up to mast.
Loosely install top screw.
Use putty knife to slide additional slugs
and connector slug into place. Loosely
install all nineteen 6 x 20 mm screws.
8. Slide tracks up enough to fit next track.
Mast up: Hold upper tracks. Loosen screw
that holds tracks. Slide track up. If screws
bind in mast groove opening, loosen them
untill track slides. Tighten new bottom
screw securely.
WARNING! Do not let tracks drop. Severe
injury can result.
9. Repeat until full-length tracks installed.
NOTE: If bottom full-length track blocks
feeder gap, load bottom track slugs before
installing track.
10. Raise tracks so 91/2" (241 mm) bottom
feeder track fits.
11. Install bottom feeder track with stop.
4252/1-05 System B (CB/Slider)
3850, 3851 Endstop Kit—leave
bottom 93/8" (238 mm) track off
untill cars are installed.
7
CB/Sliders Systems Install Track by Drilling and Tapping
Required Parts
1616 Track
Determine Track Length.
Bottom track must be short enough to
remove easily. Use 18" to 24" (457 mm
to 609 mm) length. Do not use 3844
track for drilling and tapping.
1
/4" (6 mm) Flathead Screws (not
included)
10 fasteners/meter of track
1619 Splices
3850/3851 Endstop Set
Drill and Tap sizes
U.S. Imperial Metric
Drill
Tap
13
/64" 5 mm
1
/4–20 m6 x 1
Removing Old Track
Track on mast: Before removing, scribe
pencil line down either side of track.
Track off mast: Attach string to mast to
line up track during installation.
1616
1619
1522
1. Drilling, tapping, screwing: Start at one
end of track and work down: Do not drill
and tap from both track ends
Clamp or duct tape track on mast. Center
punch hole in center of track hole.
TIP: Use narrow shaft spring-loaded
machinist's center punch with plastic
centering tube or transfer punch.
System B (CB/Slider) 4252/1-05
8
2. Drill track hole, holding drill
perpendicular to mast face. Tap threads
and install screws using blue Loctite®.
TIP: Use low speed drill with tap for
cutting threads.
IMPORTANT: Use blue Loctite® instead
of oil for tapping lubricant.
3. Align track at joints: Use 1619 splice
pieces and round rods or dowels to align
track during installation. Hold in place
with spring or “C" clamps until track
is secured.
Load all cars before installing bottom
track and endstop.
CB System Load Cars on Track
IMPORTANT: To keep balls captive we recommend loading cars onto track without sail installed. Chart below shows correct number of
balls for each car.
1. Headboard car: Hold car so
cap screw head faces up. Align
car on guide section of loader
track and gently roll onto upper
tracks. If cars stick, realign and
roll onto track.
2. Load intermediate car (if
used). Alternate with batten
cars until all cars are loaded.
Mast up: Use halyard to
hold cars.
3. Install screw stop. 3850, 3851 Endstop Kit—
Remove bottom 9
1
/2" (241 mm)
track and install cars.
TIP: Use halyard to hold
tracks up
TIP: To load headboard car assembly, angle headboard coupler. Roll car onto tracks. If necessary, remove headboard assembly.
CB System Lost Balls
Consult ball chart below to find number of balls for each car. To load balls, place car on edge with retaining clip in place.
Insert balls one-by-one from center of clip and roll into return race. Do not overfill car.
Part Length Bearing Quantity Ball ø
Number Car Type in mm Color Material per Car Part No. Balls/Set in mm
3838 Headboard Cars (2) 5
3839 Intermediate Car 29/16 68 Brown Torlon® 28 1526 25 5/16 8
3840 Battcar w/10 mm Threaded Stud 41/4 108 Brown Torlon® 40 1526 25 5/16 8
3840 Battcar w/12 mm Threaded Stud 41/4 108 Brown Torlon® 40 1526 25 5/16 8
3842 Universal Car 41/4 108 Brown Torlon® 40 1526 25 5/16 8
3843 Reef Car 53/16 132 Brown Torlon® 60 1526 25 5/16 8
3
/16 132 Brown Torlon® 60 1526 25 5/16 8
Slider System Load Cars on Track
Slider cars can be loaded onto tracks with
or without sail attached.
Line up car on guide portion of loader.
Press car towards mast and slide car onto
track. Begin with upper cars and work
down.
TIP: To load headboard car assembly,
angle headboard. Roll car onto tracks. If
necessary, remove headboard assembly.
4252/1-05 System B (CB/Slider)
9
Slider System Load Sail on Cars
1. Beginning with lower cars, use 5 mm
hex wrench and 10 mm wrench or nut
driver to attach sail to cars. Tighten
locknut until bottom tip of fastener is
flush with nut.
Do not over tighten. Make sure toggle
can pivot.
2. Screw threaded stud to terminal.
3. Load toggle using 5 mm hex wrench
and 10 mm wrench or nut driver. Tighten
locknut. Do not over tighten.
4. Attach head of sail to headboard
car with clevis pin and cotter pin.
CB System Load Sail on Cars
Attach sail to system
beginning with lowest
car. Line up toggle and
insert clevis pin.
If it is a “no wind” day,
hoist mainsail as you
attach sail to cars.
System B (CB/Slider) 4252/1-05
10
H
A
R
K
E
N
H
A
R
K
E
N
Slider System Removing SailCB System Removing Sail
Press quick release
button and push
up on bottom of pin.
Remove clevis pin.
If your system
has slider battcars
without ball bearings, leave slides
attached and slide
cars off, beginning
at the bottom.
CB System Battcar Operating Precautions CB System Car Maintenance
When lowering sail, do not let halyard go. Ease cars down by
keeping a wrap on winch.
On boats with unstayed masts, vang must be used to prevent
over rotation of upper part of sail. Over rotation can damage
batten receptacles.
Clean beginning of season, or if cars
bind. Squirt detergent and water into
ball bearings. Circulate by moving
cars up and down. Let stand. To
remove detergent, spray water into
ball bearings and circulate. Clean
tracks with detergent and water.
Inspect Battcar fittings for loose
locknuts. Replace. Inspect batten
receptacles for loose screws.
CB/Slider Systems Lazy Jacks
Lazy Jacks
Use shock cord to hold lazy jacks open
so battcars and battens will not catch on
them. This will also help stop slapping of
lazy jacks on sail.
Attach one end to lower spreader tips and
the other to lazy jacks.
Make sure shock cord is long enough so
boom can swing out all the way without
damaging spreaders.
4252/1-05 System B (CB/Slider)
11
CB/Sliders Systems Sailmakers Instructions
C
B
A
D
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 101/2 267 17/16 36 213/16 71 47/16 110
3839 Intermediate car 2
3840 Battcar/10 mm stud 4
3841 Battcar/12 mm stud 4
3842 Universal Battcar 4
3843 Reef car 5
System B Slider
3833 Headboard car assembly 71/2 190 11/4 32 21/4 57 45/8 119
3834 Battcar/10 mm stud 2
3835 Battcar/12 mm stud 2
3836 Intermediate car 2
CB
3838
Slider
3833
B
D
C
E
B
CB
3839, 3842,
3843
A
F
A
CB
D
Slider
3836
E
3840, 3841
Slider
3834, 3835
E
1
9
/16 68 17/16 36 — —
5
/16 109 17/16 36 213/16 71 51/16 129
1
/2 114 17/16 36 213/16 71 51/16 129
1
/4 108 17/16 36 — —
3
/16 132 17/16 36 — —
3
/16 56 11/4 32 21/4 57 39/16 91
3
/16 56 11/4 32 21/4 57 33/4 96
3
/16 56 11/4 32 — — — —
3
/4 19
3
/4 19
3
/4 19
/4 6 —
1
/4 6 —
1
/4 6 10
1
/4 6 12
1
/4 6 —
1
/4 6 —
1
/4 6 —
1
/4 6 10
1
/4 6 12
1
/4 6 —
CB/Slider Systems Installing Headboard Car Assembly
Headboard coupler attaches
to standard headboards
—some headboard modification required.
Maximum thickness of
headboard plates and
sail: 9/16" (14 mm)
Coupler Attachment Hole
Drill 5/8" (16 mm) coupler attachment hole so center
is 41/4" (108 mm) from top of headboard and centered
from front edge of boltrope:
CB 13/8" (35 mm)
Slider 17/8" (22 mm)
Leave at least 3/8" (9 mm) between front of headboard
plate and front edge of coupler attachment hole.
System B (CB/Slider) 4252/12-05
12
Halyard Attachment Hole
Use aft hole if headboard has two.
If not, drill second hole to accept
halyard shackle pin. Locate hole
approximately 21/2" (63.5 mm)
aft of existing hole.
CB/Slider Systems Sailmaker's Instructions
Distance Between
Attachment Points
Battens and intermediate cars placed
at sailmaker's discretion. Maximum
distance between attachment points
is 4'to 4'6" (1.2 m to 1.35 m).
Distance may be slightly greater.
Contact Harken to discuss sail
reshaping to eliminate luff flutter.
NOTE: Adding battens may reduce
stack height by eliminating
intermediate cars.
Setting Reef Points
Space reef points halfway between
sail attachment points. Battens or
reef points may need to be moved.
Diagram A
NOTE: Batten fittings and cars
cannot handle reefing outhaul or
downhaul loads. Transfer loads
to a tack fitting. Diagram B
DIAGRAM A
DIAGRAM B
CB/Slider Systems Attaching Sail to Intermediate Cars
Sail setback from luff tape to intermediate car clevis pin:
CB 3839 – 11/4" (32 mm)
Slider 3836 – 1" (25 mm)
Plastic spacers come with 3839 and 3836 intermediate cars.
Seize spacer to webbing by stitching just behind plastic spacer.
Seize webbing to sail by stitching up against sail.
Combining Intermediate Slider Cars with CB Cars
If you combine 3836 Slider Intermediate cars with CB cars
use the 13/8" (35 mm) CB setback shown above.
See at Left
3839, 3836
4252/12-05 System B (CB/Slider)
13
CB/Slider Systems Installation Troubleshooting
Problem Probable Cause Solution
Cut end of top or bottom track is at joint.
Tracks do not butt up against each other
Track weight pulling tracks apart.
Mounting slugs do not fit Slugs wrong size. Different size slug required. Contact your dealer.
Mounting screws will not tighten. Incorrect mounting slug used. Different size slug required. Contact your dealer.
Slugs catching on mast splice.
Corners of cut track catching. Use file to round off corners of track.
Track will not slide up mast.
Mast has too much prebend. Ease backstay and/or straighten mast.
Paint or other material clogging mast groove. Clean out groove.
CB/Slider cars do not fit on track.
CB cars do not fit on track
Sail headboard does not fit inside coupler. Ring was not pressed far enough. Take sail to sailmaker.
Track and cars are not the same size. Contact your dealer or Harken.
Balls are missing. Remove cars, load balls and slide cars back on track.
Make sure the anodized end is towards the
full length track.
Tracks will come together when you loosen the
bottom screw and push the tracks up the mast.
Loosen screws slightly. If necessary have someone
at splice area to wiggle the slug past the splice.
CB/Slider Systems Operation Troubleshooting
Problem Probable Cause Solution
Balls missing from car. Remove cars, load balls and slide cars back on track.
CB cars bind.
Dirt in cars.
Nut on Battcar is not holding. Locknut has been used too many times. Get new 6 mm locknut.
Batten receptacle does not rotate. Nuts are too tight. Loosen nuts slightly.
Cars jam when raising sail. Headboard or cars are catching on lazy jacks.
Sail will not go all the way up. Sail is too tall or sheave is too far forward. Have sail shortened or move sheave aft.
Vertical post or pin on batten receptacle bending.
Reef tack fitting will not reach reef hook.
Reef loads are being transferred to batten receptacle.
Reef point too close to sail attachment.
Use detergent and fresh water to flush dirt out of
cars; move cars up/down do circulate; follow with
high pressure water; clean track grooves.
Use topping lift or rod vang and shock cord to pull
lazy jacks out to shrouds.
Transfer reef downhaul and outhaul loads to mast
or boom gooseneck.
Move intermediate car sail attachment.
Loctite® is a registered trademark of Henkel AG & Company KGaA.
System B (CB/Slider) 4252/1-05
14
N15W24983 Bluemound Rd.
Pewaukee, Wisconsin 53072 USA
Telephone: (262) 691-3320 • Fax: (262) 701-5780
Web: www.harken.com • Email: harken@harken.com
Printed in USA 4252 11/13
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