MTS 709 Alignment System - Manual (Page 104)

709 Alignment System
Angular Adjustments
Alignment Wizard 104
If the Y coordinate is negative
1. Initially loosen A0.
2. Tighten A180 until the Y coordinate reading is slightly positive.
3. Tighten A0 to bring the adjustment back to an Y coordinate reading of
0; or as close to 0 as practical.