Operations and Maintenance Manual Mechanical Maintenance Procedures
Version 1.2 - June 2004 11 - 29
4. Place one fringe plate tool, counterbored holes up, on the work chuck
mounting plate, aligning the fringe plate holes with the four washer pairs.
CAUTION: Handle the top surface of the fringe plate with care--even minor
damage to the top surface may impair the plate's accuracy as a
tool.
5. Secure the fringe plate with four of the 1/4-20 screws:
• Using a 3/16-in. hex key rotate the screws clockwise to tighten as needed
to meet the goal.
GOAL: The screws should apply sufficient pressure to the
spring washers to compress the springs by
approximately 50 %.
Lower Right Spindle
Repeat as for the left spindle, installing the fringe plate tool on the right spindle work
chuck mounting plate.
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