SECTION IV – REPAIR 7-更换钢丝螺套、螺柱、衬套、销钉和螺母板-D.Method No. 407D:更换松动、磨损和/或损坏的衬套（钢制零件）

7.Replacing Inserts, Studs, Bushings, Pins and Nutplates

更换钢丝螺套、螺柱、衬套、销钉和螺母板

D.Method No. 407D: Replace of Loose, Worn, and/or Damaged Bushing (Steel Parts)

Method No. 407D:更换松动、磨损和/或损坏的衬套（钢制零件）

Replace loose, worn, and/or damaged bushing in steel parts as follows:

钢制零件中松动、磨损或损坏的衬套应按如下步骤更换：

WARNING: USE THE CORRECT PERSONAL PROTECTION. PROCEDURES THAT NEED GRIND/MACHINE WORK WILL CAUSE LOOSE PARTICLES THAT CAN GET IN YOUR EYES.

警告：请使用正确的个人防护措施。需要进行研磨或机械作业时，会产生松散颗粒，可能进入眼睛。

CAUTION: EXERCISE CARE NOT TO DAMAGE BASIC PART DURING MACHINING OPERATION.

注意：加工过程中需小心操作，避免损坏基体零件。

(1) Machine bushing as required for easy removal.

机械加工衬套，按要求便于拆卸。

(2) Remove bushing.

拆下衬套

(3) Clean part. Refer to SECTION II – CLEANING.

清洁部件。参见SECTION II – CLEANING。

(4) Press new bushing in position as specified in applicable manual.

按适用手册中规定的位置，按压新衬套。

NOTE: Cold soaking of bushing may be required prior to installation. Refer to applicable manual.

注意：安装前可能需要对衬套进行冷浸泡处理。请参阅适用手册。

(5) If required, machine the inner diameter of bushing. Refer to applicable manual.

若需要，可对衬套内径进行机械加工，具体操作请参考适用手册。

(6) Clean part. Refer to SECTION II – CLEANING.

清洁部件。参见SECTION II – CLEANING。