Lazy jacks – Harken 3852 System B CB & Slider Battcars: built 2007 to present User Manual
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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.
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.
CB/Slider Systems
Lazy Jacks
Press quick release
button and push
up on bottom of pin.
Remove clevis pin.
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.
For thorough cleaning, remove sail
then remove cars from track. Clean
as above. Once dry, apply a single
drop of McLube™ ball conditioner.
Circulate balls using a small
screwdriver.
Inspect Battcar fittings for loose
locknuts. Replace. Inspect batten
receptacles for loose screws.
CB System
Battcar Operating Precautions
CB System
Car Maintenance
If your system
has slider battcars
without ball bear-
ings, leave slides
attached and slide
cars off, beginning
at the bottom.
Slider System
Removing Sail
CB System
Removing Sail
07/07/09
System B (CB/Slider)
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