**Replace Z motor**

**operating steps**

Close the machine and disconnect the Z motor line (graph 197)
{{ :starry:197.png?nolink&600 |}}
graph 197
Remove 6 fixing screws of Z motor (graph 198,199,200,201,202,203)
{{ :starry:198.png?nolink&600 |}}
graph 198
{{ :starry:199.png?nolink&600 |}}
graph 199
{{ :starry:200.png?nolink&600 |}}
graph 200
{{ :starry:201.png?nolink&600 |}}
graph 201
{{ :starry:202.png?nolink&600 |}}
graph 202
{{ :starry:203.png?nolink&600 |}}
graph 203
Release 1 set screws of the coupling (close to the motor) (graph 204)
{{ :starry:204.png?nolink&600 |}}
graph 204
Rotate the opposite coupling to raise the bar (graph 205)
{{ :starry:205.png?nolink&600 |}}
graph 205
Remove the Z motor (graph 206)
{{ :starry:206.png?nolink&600 |}}
graph 206
Install a new Z motor (graph 207)
{{ :starry:207.png?nolink&600 |}}
graph 207
Rotate the opposite coupling to lower the bar (graph 208)
{{ :starry:208.png?nolink&600 |}}
graph 208
Tighten the coupling fixing screw to ensure that the coupling is inserted to the bottom (graph 209)
{{ :starry:209.png?nolink&600 |}}
graph 209
Install 6 fixing screws for Z motor (Fig. 210,211,212,213,214,215)
{{ :starry:210.png?nolink&600 |}}
graph 210
{{ :starry:211.png?nolink&600 |}}
graph 211
{{ :starry:212.png?nolink&600 |}}
graph 212
{{ :starry:213.png?nolink&600 |}}
graph 213
{{ :starry:214.png?nolink&600 |}}
graph 214
{{ :starry:215.png?nolink&600 |}}
graph 215
Link the Z motor line (graph 216), readjust the horizontal bar height (graph 216-1), and readjust the platform height (graph 216-2)
{{ :starry:216.png?nolink&600 |}}
graph 216
{{ :starry:216-1.png?nolink&600 |}}
graph 216-1
{{ :starry:216-2.png?nolink&600 |}}
graph 216-2