SECTION - 8

Nosepieces

These Nosepieces are interchangeable and reversible on all Balplan Stands. This is accomplished by inserting the Hexagonal Wrench provided, through the hole in the side of the Arm and loosening the set screw, Fig. 8-1, while supporting the Nosepiece with your other hand. The Nosepiece can then be removed from the Arm. It can be replaced by reversing the procedure. The Nosepiece can be positioned with the Objectives toward the front or back, which- ever is desired. The tightening of the screw centers the Nosepiece to the optical axis.

NOTE: The Nosepiece should be held firmly upward during the tightening process to ensure proper shouldering.

FIVE-HOLE NOSEPIECE CAT. NO. 31-18-68

This Nosepiece i s interchangeable and reversible on all Balplan Stands. This is accomplished by inserting the Hexagonal Wrench provided through the hole in the side of the Arm and loosening the set screw, Fig. 8-1, while supporting the Nosepiece with your other hand. The Nosepiece can then be removed from the Arm. It can be replaced by reversing the procedure if the desired position of the Objectives is toward the front. If the desired position of the Objectives is' toward the back, a Nosepiece Adapter, Cat. No. 31-18-71, must first be installed on the Nosepiece. The Nosepiece should be inserted into the Adapter and the two held firmly together as the set screws in the Adapter are tightened, Fig. 8-1. This assembly is then held firmly upward into the Arm with the Objective holes toward the back and the set screw tightened.