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1·First check assembly O-ring, Disc holder assembly, Cover O-ring and Sensing passage O-ring.

第一止回阀总成O形环，阀瓣固定器总成，阀盖O形环和感应通道O形环。

2·Disc holder removable for replacement of disc without dismantling the valve - no special tools required.

阀瓣支架可拆卸进行阀瓣更换，无需拆卸阀门，不需要特殊工具。

3·When converting from (B) disc to (Y) disc, order disc Nut (12) and disc Holder (10) and proper disc (11).

如果要将(B)阀瓣转换成(Y)阀瓣，需要订购阀瓣螺母(12)和阀瓣固定装置(10)和适当的阀瓣(11)。

4·To reverse the seat disc, unscrew the disc screw and disassemble the disc washer and disc rubber from the disc holder assembly.

为了翻转阀座阀瓣，则要拧松阀瓣螺丝，从阀瓣固定器总成拆解阀瓣垫圈和阀瓣橡胶。

5·NOTE: the disc holder should not be removed when servicing only the disc, remove Allen head screws holding the disc retaining plate and replace disc.

注意：如果只是维修阀瓣，就不要拆卸阀瓣固定器，只需拆卸支撑阀瓣固定器板的六角头螺丝和拆卸阀瓣即可。

6·All brake disc types intended for production are manually placed in a specially designed holder.

所有预期用于生产的制动圆盘型号都需要手动放置到一个特殊设计的夹头上。