XJJY-20KN門窗角強度測試儀常見故障及保養：

1、每次試驗完畢，應切斷電源。

2、試驗機未噴漆的外露零件的表麵應經常塗些防鏽油。

3、絲杠與螺母應經常注入新的潤滑油脂，請在油杯處注油。

4、應定期斷開電源，清除電板及電器上的灰塵和油汙，並檢查各接線端子是否鬆動。                                                                                                                                                                                                                                                                                                                                                                                                                                                                        

5、常見故障及處理方法（見下表）