一卡二卡三卡在线I精品视频一二三区Iav动态I波多野结衣二区I可以直接观看的avI日本黄色片I国产精品揄拍100视频I欧美gv在线Iav解说在线观看I婷婷四房播播I最新最近中文字幕I免费黄色在线网址I亚洲激情快播I天天干天天插天天操I欧美视频成人I麻豆国产视频I松岛枫av在线一区二区I一本色道久久综合亚洲精品不I国产在线一区二区三区四区五区I欧美亚洲欧美I日韩高清在线播放I免费福利在线I亚洲色图19pI亚洲20pI亚洲久热I久久九九国产精品

Maintenance of Support

In order to make the friction stay in the best working condition or longer working life, we need to maintain it at terms:

Cleanning:

The surface of friction stay should be cleared often, but not use the strongly corrosive solvent.

Fixing the bolt:

Please use the relative tool to fix the loosed screw.

Lubrication:

All moving and fricting parts of the friction stay , should use lubricationg oil or other lubricant , only the place of the sliding plate and track is not included , because of their own-lubrication.

Adjust the postion

If the window could not use conviniently , or the sealing property is not good and so on , please kindly consult to our engineers before and taking the related steps.