SECTION IV – REPAIR 4. 修理铝制零件-E.Method No. 404E:轻微腐蚀修复

4. Repairing Aluminum Parts
修理铝制零件

E.Method No. 404E: Minor Corrosion Repair

Method No. 404E:轻微腐蚀修复

Remove minor corrosion from aluminum-alloy parts as follows:

按如下步骤去除铝合金零件上的轻微腐蚀：

(1) Clean the part. Refer to SECTION II-CLEANING.

清洁部件。请参阅第II-CLEANING节。

(2) Chemical film touch up corroded surfaces. Refer to Method No. 403N.

化学膜修补腐蚀表面。请参考Method No. 403N。

(3) If required, paint again the repaired surfaces. Refer to Method No. 409A or 409B.

如需要，再次对修复表面进行喷漆。请参考Method No. 409A or 409B。