欠陥部は完全に削り取る。溶接作業に必要形状として欠陥を無くす。油分、水

欠陥部は完全に削り取る。

溶接作業に必要形状として欠陥を無くす。

油分、水分、塵埃をきれいに除く。

肉厚部でザク巣のあってはならない部分は仕上面より5mm深く削除する。

（例 バルブボディのパッキングシール面部など）

結果 (英語) 1:

I scrape off completely defective part.

I eliminate the defect as required shape in welding work.

I except to clean oil, water, and dust.

Part that there should not be a Zaku nest in the thick portion to remove 5mm deeper than the surface finish.

(Such as packing seal surface of the valve body example)

結果 (英語) 2:

Defects of shave completely.

To welding work eliminating defects as required.

Except to clean grease, moisture and dust.

In the fleshy part Zaku is an integral part of the nest than the surface 5 mm deep to remove.

（ example valvebody packing seal lid etc ）

結果 (英語) 3:

I completely scrape off the defect part.

I get rid of a defect as shape necessary for welding work.

For oil, water, earthly affairs are excluded neatly.

5mm is deeper than finish side, and the part which there mustn't be of the rucksack nest deletes it in wall thickness part.

(the packing seal faces of the example valve body)