Spars, Rigging, and Hardware for Sailboats

Rig-Rite, Inc.
Phone: (001) 401-739-1140 -- FAX: (001) 401-739-1149
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Kenyon Instruction Sheet: K-10561B-K10

Sonar Spreader Bar & Wrap-around Reinforcing Plate Kit

2. Rivet on the new spreader bracket plate using the same rivet holes that the old brackets used. When installed, the Spreader Bar slots should be directly opposite each other.

3. Once the new bracket plate is installed, use the slots in the plate as templates for cutting the aluminum mast wall. The easiest way to cut out the aluminum is to drill several holes adjacent to each other and then finish the job with a file.

4. After the slots are cut, the Spreader Bar should slide into the holes. The bar might need the help of a mallet in order to get it in, for it should be a tight fit. Be sure that the Spreader Bar, when installed, will line up so that the spreaders will have an upward as well as aft angle. When the Spreader Bar is installed all of the halyards, except the pole lift, should be aft of the bar.

5. Slide the spreaders over the Spreader Bar and check to see that the angle of sweep is the same for both spreaders. If one side is different from the other, the Spreader Bar is not centered and it needs to be moved slightly.

6. Once the spreader angle is correct check to see if the contour of the inboard end of the spreader matches the base plate. If the two don’t match, file down the spreaders as needed.

7. With the spreaders properly aligned and fitted, drill through the Spreader Bar using the holes in the spreaders previously used for the old spreader brackets. It is important to have the spreader pushed up against the mast as tight as possible when drilling to insure a tight fit. Install the spreader bolts and the job is complete.