**Replace the Z travel switch**

**operating steps**

Turn off the machine (graph 110)
{{ :starry:110.png?nolink&600 |}}
                                           graph 110
Disconnect the Z limit switch interface on the upper right of the machine and indicate Z on the line (graph 111)
{{ :starry:111.png?nolink&600 |}}
                                           graph 111
Remove retaining screw (graph 112,113)
{{ :starry:112.png?nolink&600 |}}
                                           graph 112
{{ :starry:113.png?nolink&600 |}}
                                           graph 113
Remove the rod retaining block (graph 114)
{{ :starry:114.png?nolink&600 |}}
                                           graph 114
Remove the fixing screw of the Z-travel switch (Fig. 115,116)
{{ :starry:115.png?nolink&600 |}}
                                           graph 115
{{ :starry:116.png?nolink&600 |}}
                                           graph 116
Replace the new Z travel switch (graph 117)
{{ :starry:117.png?nolink&600 |}}
                                           graph 117
Install the fixing Z travel switch fixing screw (Fig. 118,119)
{{ :starry:118.png?nolink&600 |}}
                                           graph 118
{{ :starry:119.png?nolink&600 |}}
                                           graph 119
Install the wire rod fixing block (Fig. 120,121)
{{ :starry:120.png?nolink&600 |}}
                                           graph 120
{{ :starry:121.png?nolink&600 |}}
                                           graph 121
Connect the Z travel switch line interface (Fig. 122) and recalibrate the platform (Fig. 122-1)
{{ :starry:122.png?nolink&600 |}}
                                           graph 122
{{ :starry:122-1.png?nolink&600 |}}
                                           graph 122-1