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Removing & Replacing the Detent Disc
Once the Indexing Hub is removed, the detent disc can be removed
from its recess in the bottom of the Vertical Bracket. The disc may
slip out once the Indexing Hub is removed. If it sticks inside the re-
cess, simply insert the tip of a ballpoint pen or the end of paper clip
into the detent disc ejection hole on the top of the bracket and push
the detent disc out of the disc recess.
Disc Ejection
Hole
With the disc removed, a different disc can be inserted to change the
angular spacing. (See List of Specfied Wide Angle Lenses in Ap-
pendix A).
To install a different size disc, simply align the keyed slot and push
the disc into the recess. Make sure the disc is properly seated and
flush to the bottom surface of the Vertical Bracket. With the new disc
inserted, reassemble by inserting the Indexing Hub back through the
bearing in the Vertical Bracket.
Replacing the Friction Cap
Replace the Friction Cap by threading the Cap back onto the axle.
Continue to thread the Cap so that there is no free play between the
Vertical Bracket and the Indexing Hub. The rubber washer on the
bottom of the Friction Cap should be slightly compressed. When the
drag feels adequate, turn the Friction Cap so that the threaded shaft
of the Retaining Knob is aligned with the closest flat on the axle.
Tighten the Retaining Knob to lock the Cap in place.
Rubber Washer