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13 AutoMill SC Motion Control Upgrade P R O D U C T M A N U A L EN Figure 10 2.3. Hard Stop Homing The AutoMill SC Motion Control Upgrade replaces all the limit switches with a total of 22 new hard stops. This enhancement reduces possible points of failure and mechanical issues resulting from limit switches. Table 5: The following items are examples of the new hard stops that are added to the machine (refer to Figure 11-16). No. Item Description 1 Clamp Hard Stop Material Hold Down Up/Down 2 Welded Hard Stop Head 5 Down 3 Welded Hard Stop Head 1 or 3 Down 4 Welded Hard Stop Head 1 or 3 Up 5 Welded Hard Stop Head 5 In 6 Welded Hard Stop Head 5 Out Figure 11 Figure 7 Figure 8 Figure 9