SECTION IV – REPAIR 修理（三）-O. Method No. 403O: Chemical Film Touch-Up of Magnesium

3. Repair and Application of Protective Coatings and Plating
防护涂料及电镀的修复与应用

O.Method No. 403O: Chemical Film Touch-Up of Magnesium

Method No. 403O:镁的化学膜修补

(1) Remove unwanted dust with dry clean compressed air.

用干燥清洁的压缩空气清除不需要的灰尘。

CAUTION: METHANOL (METHYL OR WOOD ALCOHOL) SHALL NOT BE USED AS A CLEANING AGENT WHEN CLEANING MAGNESIUM PARTS. PROLONGED CONTACT WITH UNPROTECTED MAGNESIUM PARTS WILL DESTROY THE PARTS. USE OF METHANOL WITH MAGNESIUM PARTS IS AUTHORIZED, ONLY AS SPECIFICALLY INSTRUCTED FOR REPAIR OF CORRODED SURFACES.

注意：清洁镁制零件时，甲醇（甲基或木醇）不得用作清洁剂。长时间接触未受保护的镁制零件会损坏零件。甲醇与镁制零件的配合使用仅限于修复腐蚀表面的具体说明中所授权的情况。

(2) Use a cloth soaked with acetone C08-0005, isopropyl alcohol C04-0004, or ketone C04- 0003, to clean the surface to be repaired.

用浸有丙酮C08-0005、异丙醇C04-0004或酮C04- 0003的布清洁待修复表面。

WARNING: USE THE CORRECT PERSONAL PROTECTION. THIS CHEMICAL SOLUTION CAN CAUSE SKIN, EYE AND LUNG DAMAGE. THE DANGER AND PRECAUTIONS FOR EACH CHEMICAL IS DIFFERENT.

警告：使用正确的个人防护设备。本化学品溶液可能造成皮肤、眼睛和肺部损伤。每种化学品的危险和注意事项不同。

(3) Apply magnesium touch-up solution (Dow-1) on surface to be repaired. Refer to AMS-M- 3171, Type I.

在待修复表面上涂上镁修补液（Dow-1）。参见AMS-M- 3171，I类。

NOTE: Apply this solution only if it is specified in applicable manual.

注：仅在适用手册中规定的情况下应用本溶液。

(a) Mix chemical conversion material fully. Refer to Method No. 402G.

将化学转化材料充分混合。参考Method No. 402G。

WARNING: USE THE CORRECT PERSONAL PROTECTION. THIS CHEMICAL SOLUTION CAN CAUSE SKIN, EYE, AND LUNG DAMAGE. THE DANGER AND PRECAUTIONS FOR EACH CHEMICAL IS DIFFERENT.

警告：使用正确的个人防护设备。本化学品溶液可能造成皮肤、眼睛和肺部损伤。每种化学品的危险和注意事项不同。

(b) With a brush, apply magnesium touch-up solution on bare metal. Refer to manufacturer instructions.

用刷子将镁修补液涂在裸露的金属表面，参见制造商说明。

NOTE: Touch up the surface for 1 to 3 minutes minimum, to make sure that the surface is fully wet.

注：至少对表面进行1至3分钟的修补，以确保表面完全湿润。

(c) Flush the surface in running water for 1 minute minimum.

用流动水冲洗表面至少1分钟。

(d) Dry the surface. Refer to Step (5).

干燥表面。参考步骤(5)。

(4) Apply magnesium touch-up solution (Dow-19) on surface to be repaired. Refer to AMSM-3171, Type VI, or FP5003, Type VI.

在待修复表面涂上镁修补液（Dow-19）。请参考AMS M-3171，VI型或FP5003，VI型。

NOTE: Apply this solution only if it is specified in applicable manual.

注：仅在适用手册中规定的情况下应用本溶液。

(a) Mix chemical conversion material fully. Refer to Method No. 402H.

将化学转化材料充分混合。参见Method No.402H。

WARNING: USE THE CORRECT PERSONAL PROTECTION. THIS CHEMICAL SOLUTION CAN CAUSE SKIN, EYE, AND LUNG DAMAGE. THE DANGER AND PRECAUTIONS FOR EACH CHEMICAL IS DIFFERENT.

警告：使用正确的个人防护设备。该化学溶液可能造成皮肤、眼睛和肺部损伤。每种化学品的危险和注意事项不同。

(b) With a brush, apply magnesium touch-up solution on bare metal. Refer to manufacturer instructions.

用刷子，将镁修补液涂在裸露的金属表面。请参考制造商说明。

NOTE: Touch up the surface for 30 seconds to 3 minutes minimum, to make sure that the surface is fully wet.

注：至少对表面进行30秒至3分钟的修补，以确保表面完全湿润。

(c) Flush the surface in running water for 1 minute minimum.

用流动水冲洗表面至少1分钟。

(d) Flush the surface with hot (160˚F (71˚C) minimum) deionized water for 2 minutes minimum.

用热的去离子水（最低温度160˚F（71˚C））冲洗表面至少2分钟。

(e) Dry the surface. Refer to Step (5).

干燥表面。参考步骤(5)。

(5) Dry the surfaces as follows:

按如下方式擦干表面：

NOTE: For repairs where epoxy paint topcoat will be applied, use method 1 or 2 only.

注：对于环氧树脂涂料面漆的维修，只能使用方法1或2。

(a) Use a heat gun to dry the surface with hot air for 10 to 15 minutes. Make sure that the surface temperature is not more than 250˚F (121˚C).

用热风枪用热空气将表面吹干10至15分钟。确保表面温度不超过250˚F（121˚C）。

(b) Dry the part in an oven for 90 minutes minimum. Make sure that the surface temperature is not more than 225 to 275˚F (107 to 135˚C).

将零件放入烘箱中干燥至少90分钟。确保表面温度不超过225至275˚F（107至135˚C）。