I. Tagging (Recording) and Shimming Measured Components............................................... 502
Page TC-4
Apr 1/05
20-00-02/70-00-01
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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
D. Force Forming Gearshaft Assembly Retainer Rings ............................................................ 507
5. Torque Requirements .................................................................................................................. 509
A. General Torque Requirements..............................................................................................509
B. Procedure- Preparing and Installing Fasteners (Standard Shop Practice)..........................511
C. Guideline - Assembly Torque Values (Nuts, Bolts, Screws, Studs, and Inserts).................. 515
D. Procedure - Preparing and Installing Fluid and Gasketed Fittings, and Special Metal and Conical Seals for Tubing and Hose Fittings. ......................................................................... 518
E. Procedure -Preparing and Installing O-rings on Fittings ...................................................... 525
F. Procedure -Preparing and Installing Universal Fittings........................................................526
G. Procedure -Preparing and Installing Bulkhead Fittings........................................................527
6. Lockwire Installation and Techniques..........................................................................................528
A. General..................................................................................................................................528
B. Lockwiring Examples.............................................................................................................528
7. Cotter Pins and Key Washers......................................................................................................530
A. Cotter Pin Installation ............................................................................................................ 530
B. Cotter Key Installation ........................................................................................................... 531 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(11)
