**Replace Y rubber wheel**

**operating steps**

Turn off the machine (graph 271)
{{ :starry:271.png?nolink&600 |}}
                                                       graph 271
Turn to the right to remove the 4 platform adjustment gears (graph 272,273,274,275)
{{ :starry:272.png?nolink&600 |}}
                                                       graph 272
{{ :starry:273.png?nolink&600 |}}
                                                       graph 273
{{ :starry:274.png?nolink&600 |}}
                                                       graph 274
{{ :starry:275.png?nolink&600 |}}
                                                       graph 275
Remove the platform (graph 276)
{{ :starry:276.png?nolink&600 |}}
                                                       graph 276
Rotate loose y belt regulator knob left (graph 277)
{{ :starry:277.png?nolink&600 |}}
                                                       graph 277
Remove the Y belt regulator knob and the Y belt regulator housing (graph 278)
{{ :starry:278.png?nolink&600 |}}
                                                       graph 278
Remove the Y belt regulator (graph 279)
{{ :starry:279.png?nolink&600 |}}
                                                       graph 279
Remove the Y belt (graph 280,281)
{{ :starry:280.png?nolink&600 |}}
                                                       graph 280
{{ :starry:281.png?nolink&600 |}}
                                                       graph 281
Remove platform fixing gold (graph 282)
{{ :starry:282.png?nolink&600 |}}
                                                       graph 282
Replace the new Y rubber wheel with the L-shaped wrench and the silver wrench (graph 283,284,285)
{{ :starry:283.png?nolink&600 |}}
                                                       graph 283
{{ :starry:284.png?nolink&600 |}}
                                                       graph 284
{{ :starry:285.png?nolink&600 |}}
                                                       graph 285
Installation of platform fixed sheet metal (graph 286)
{{ :starry:286.png?nolink&600 |}}
                                                       graph 286
Install the Y belt (Fig. 287,288,289,290)
{{ :starry:287.png?nolink&600 |}}
                                                       graph 287
{{ :starry:288.png?nolink&600 |}}
                                                       graph 288
{{ :starry:289.png?nolink&600 |}}
                                                       graph 289
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                                                       graph 290
Install the Y belt regulator (graph 291)
{{ :starry:291.png?nolink&600 |}}
                                                       graph 291
Install the Y belt adjustment knob and the Y belt regulator housing (graph 292)
{{ :starry:292.png?nolink&600 |}}
                                                       graph 292
Rotate the right upper tight Y belt regulator knob (graph 293)
{{ :starry:293.png?nolink&600 |}}
                                                       graph 293
Installation platform (graph 294)
{{ :starry:294.png?nolink&600 |}}
                                                       graph 294
Rotate to the right and install four platform adjusting gears (graph 295,296,297,298)
{{ :starry:295.png?nolink&600 |}}
                                                       graph 295
{{ :starry:296.png?nolink&600 |}}
                                                       graph 296
{{ :starry:297.png?nolink&600 |}}
                                                       graph 297
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                                                       graph 298
Adjust the Y rubber wheel tightness (graph 299,300)
{{ :starry:299.png?nolink&600 |}}
                                                       graph 299
{{ :starry:300.png?nolink&600 |}}
                                                       graph 300