Section 4.2
Machine Adjustments
400-088-120-02 4.2-15 Rev. Date: 10/2016
4.2.2.15 Yoke Spring Adjustment
The yoke springs, located on the #3 and #4 yoke shafts, are used to stabilize cup movement during
a spotting operation. They also serve to hold the spotting cups horizontal during a respot cycle.
1. With the table in the home position, loosen the spring retainer’s locking nut slightly and tap
the spring retainer on the yoke shaft so that the spring end is in line with the top of the nuts
on the spotting cup cap (see Figure 4.2-16). This is the initial (approximate) setting.
Figure 4.2-16
2. Cycle the machine through several spotting operations and observe cup movement.
Insufficient spring tension will cause unstable cup movement causing the pins to wobble or fall
when spotted. Too much spring tension will cause the cups to slam back after the pins have
been spotted. Adjust accordingly.
Note: If the springs need to be replaced, the yoke must be removed from the machine. See
Section 4.2.2.17 for yoke assembly removal instructions.
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