Harken 3813 System AA Battcar - Manual (Page 7)

System AA (CB) 7
Preassembly – CB System (Slug Mount) Check Fit of Mounting Slugs/Cars
Clear of Storm Trysail Track?
67 mm (2 5/8") connector slug must fit feeder opening. File opening to
make longer.
Use halyard with retrieval line to hoist 67 mm (2 5/8") connector slug
up mast to check for burrs in groove.
Mast prebend: May require straightening before installation.
Storm Trysail Track
Car’s 40 mm (1 9/16") width must clear storm trysail track.
Tracks often converge above spreaders.
Aft face of mast must be flat or convex.
Check Fit
40 mm (1 9/16")
11 or
more
Will tighten Will not tighten
Test track: Put mounting slug in groove, track section on mast.
Tighten with screw. Track must be drawn tightly to mast.
Mounting screw must be long enough for mast groove. If
necessary, purchase longer screws.
Warning! Screws need minimun 11 threads (turns) engaged
to hold track to mast. Turn screw 360° five times after threads
engage slug.