(2)
EDM: This method removes material from trailing edge to increase area only. The vane configuration is modified and stock removal must be controlled to drawing requirements after EDM. The trailing edge radius must be hand blended. May be used on coated or uncoated vanes.
(3)
Extrude Hone: This method removes material from all surfaces of vane and shrouds to increase area only. The surface finish is improved. Honing is limited only by the amount of stock that can be removed without violating drawing requirements. The vane configuration does not change and no hand work is required. May be used on uncoated vanes only.
(a)
Adjust geometric area per step (1), (2), or (3).
(b)
Nondestructive test if required by manual.
(c)
Air flow check.
(d)
Inspect.
(4)
Mechanically adjust: This method is limited to 0.015 inch of movement in one direction only. Nondestructive testing after use to ensure against using damaged parts is required.
Repair Page 478 Apr 1/05
20-00-02/70-00-01
SECTION V – ASSEMBLY
TABLE OF CONTENTS
SECTION PAGE
1. General Assembly Practices........................................................................................................ 501
A. Protecting Unit During Assembly........................................................................................... 501
B. Corrosion Prevention Compound Removal........................................................................... 501
C. Verifying Cleanliness of Parts ............................................................................................... 501
D. Lubricating Splines and Gear Teeth...................................................................................... 501
E. Assembly Inspection, Guidelines, and Precautions .............................................................. 501
F. Lockwiring Techniques and Requirements ........................................................................... 501
G. Bearing and Gear Preparation, Handling, and Assembly Guidelines ................................... 501
H. Preparing Shafts for Seal and Packing Installation...............................................................501
I. Tagging (Recording) and Shimming Measured Components............................................... 502
2. Packing and Seals ....................................................................................................................... 502
A. Lubricating and Installing Packings....................................................................................... 502
B. Heat-set Seal Installation....................................................................................................... 504
C. Forming Lip Seals.................................................................................................................. 504
3. Conical Seal................................................................................................................................. 505
A. Conical Seal Selection and Lubrication................................................................................. 505
B. Conical Seal Installation ........................................................................................................ 505
4. Pressing Interference Fit Parts .................................................................................................... 507
A. Cold Soaking Loose Tolerance Fit Parts............................................................................... 507
B. Heating Close Tolerance Fit Parts. ....................................................................................... 507
C. Press Fitting Assembly Parts Using an Arbor Press.............................................................507 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：标准施工手册 STANDARD PRACTICES MANUAL 20-00-02/70-00-01(101)
