TO 1-1-700 - Robins Air Force Base

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TO 1-1-700 TABLE OF CONTENTS - CONTINUED Chapter Page Chapter Page 12.5.1 Application Life...................................12-19 12.5.2 Storage Instructions .............................12-25 12.5.3 Mixing MIL-PRF-81733, Type III Sprayable Sealant Coating...............12-25 12.6 Sealant Application Procedures ...........12-26 12.6.1 Cleaning ...............................................12-26 12.6.2 Masking................................................12-26 12.6.3 Adhesion Promoters.............................12-27 12.6.4 Brush Spatula or Caulking Gun Application.......................................12-27 12.6.5 Spray Gun Application ........................12-28 12.6.6 Peel and Stick Application; AMS 3255 EPTFE Skyflex® and Av-DEC® HT3935-7 and HT3000 Sealing Tapes.....................12-28 12.7 Sealing of Specific Areas.....................12-29 12.7.1 Faying Surface Sealing ........................12-29 12.7.2 Fillet Sealing ........................................12-31 12.7.3 Injection Sealing ..................................12-31 12.7.4 Fastener Sealing...................................12-31 12.7.5 Form-In-Place (FIP) Gasket Sealant Repair...............................................12-31 12.7.6 SAE AMS 3255 EPTFE (Skyflex®) and Av-DEC® HT3000 and HT3935-7 Sealing Tape Gasket Repair...................................12-32 12.7.7 External Structure ................................12-34 12.7.8 Depressions..........................................12-34 12.7.9 Damaged Sealant .................................12-35 12.7.10 Extensive Repair ..................................12-35 12.7.11 High Temperature Areas......................12-35 12.7.12 Low Temperature Curing.....................12-35 12.8 Storage/Shelf Life Control of Sealants ............................................12-36 LIST OF ILLUSTRATIONS Number Title Page Number Title Page 3-1 Simplified Corrosion Cell ......................................3-2 3-2 Elimination of Corrosion by Application of an Organic Film to a Metal Surface..............3-2 3-3 Effect of Sea Water on Galvanic Corrosion...........3-3 3-4 Galvanic Corrosion in a Flashlight Battery............3-4 3-5 Effect of Area Relationship in Dissimilar Metal Contacts ..................................................3-5 3-6 Galvanic Corrosion of Magnesium Adjacent to a Steel Fastener .............................................3-6 3-7 Pitting of an Aluminum Angle Assembly..............3-6 3-8 Cross-section of Corrosion Pits..............................3-7 3-9 Cross-section of 7075-T6 Aluminum Alloy ..........3-7 3-10 Grain Structure of a Corroding Aluminum Surface ..............................................................3-8 3-11 Intergranular Corrosion of a 7075-T6 Aluminum Alloy Adjacent to Steel Fastener ......................3-8 3-12 Example of Exfoliation ..........................................3-9 3-13 Another Example of Exfoliation............................3-9 3-14 Concentration Cell Corrosion ..............................3-10 3-15 Filiform Corrosion Found Under a Paint Coating on a Magnesium Alloy Panel ............3-10 3-16 Schematic of the Development of Filiform Corrosion on an Aluminum Alloy ..................3-11 3-17 Galvanic Series of Metals and Alloys in Sea Water....................................................3-12 3-18 Magnesium Corrosion Products...........................3-13 3-19 Steel Corrosion Products (Rust)...........................3-13 3-20 Aluminum Surface Corrosion Products ...............3-14 3-21 Cadmium Plated Surface Conditions ...................3-14 3-22 Failed Chromium Plating.....................................3-15 4-1 Electronic Shelter: Installed Wood Cabinetry .......4-1 5-1 Tripod Storage Case...............................................5-3 5-2 Corroded Tripod Part .............................................5-3 5-3 Corroded Tripod.....................................................5-4 5-4 Method 50 Label ....................................................5-7 5-5 Placement of Desiccant in Electronic Area............5-7 5-6 Floated Item ...........................................................5-8 5-7 Floated Pack...........................................................5-8 5-8 Shock Isolators.......................................................5-9 5-9 Examples of Fiberboard Die-Cuts, Open End Cell, Tray and Pads..................................5-11 x
TO 1-1-700 LIST OF ILLUSTRATIONS - CONTINUED Number Title Page Number Title Page 5-10 Application of Fiberboard Die-Cuts, Open End Cell, Tray and Pads................................. 5-12 5-11 Polyurethane Foam.............................................. 5-13 7-1 Corroded Hardware............................................... 7-1 8-1 ANMST-TIV Corroded Exterior Plugs................. 8-1 9-1 Visual Evidence of Corrosion ............................... 9-2 10-1 Galvanic Corrosion Adjacent To Steel Fasteners......................................................... 10-1 10-2 Corrosion Around Fasteners ............................... 10-2 10-3 Typical Methods of Sealing Fasteners ................ 10-2 10-4 Faying Surface Sealing ....................................... 10-3 10-5 Typical Fillet Seal ............................................... 10-4 10-6 Spot Weld Corrosion........................................... 10-4 10-7 Spot Welded Skin Corrosion Mechanism. .......... 10-5 10-8 Electronic Shelter Door....................................... 10-7 10-9 Steel Control Cables............................................ 10-8 10-10 Corroded Battery Compartment.......................... 10-9 10-11 Bonding Cable Between Frame and Door ........ 10-11 10-12 ANTPS-75 Antenna Radar Surface .................. 10-11 10-13 Corrosion Undercarriage of Shelter .................. 10-13 10-14 Magnesium Corrosion Products........................ 10-16 10-15 EMI Bonding Washers for Electronics ............. 10-16 10-16 Dissipation of Static Charge.............................. 10-17 11-1 3M Co. Scotch-Brite TM Flap Brush and Mandrel ................................................... 11-7 11-2 Abrasive Flap Wheels with Spindle Mount ........ 11-8 12-1 Pneumatic Sealant Gun ..................................... 12-13 12-2 Sealant Application Nozzles ............................. 12-14 12-3 Countersink Application Nozzles ..................... 12-15 12-4 Rivet Application Nozzles - Upper/Lower ....... 12-16 12-5 Sealant and Adhesive Smoothing Tools ........... 12-17 12-6 Sealant Injection Guns ...................................... 12-18 12-7 Injection Style Semkit®.................................... 12-21 12-8 Non-Metallic Spatula ........................................ 12-27 12-9 Faying Surface Sealing ..................................... 12-31 12-10 Typical Fillet Seal ............................................. 12-33 12-11 Typical Injection Seal ....................................... 12-33 12-12 Typical Methods of Sealing Fasteners .............. 12-34 12-13 Typical Lap Skin Sealing.................................. 12-37 12-14 Sealing Procedures for Typical Fitting ............. 12-38 12-15 Sealing of Access Doors ................................... 12-39 LIST OF TABLES Number Title Page Number Title Page 3-1 Corrosion of Metals - Type of Attack and Appearance of Corrosion Products ................ 3-15 7-1 Cleaning of Specific Areas and Components........ 7-3 7-2 Common Military Greases and Their Uses......... 7-15 7-3 Time Limitations for CPCs ................................. 7-18 7-4 Corrosion Preventive Compounds ...................... 7-21 7-5 Preservation of Specific Areas and Components.................................................... 7-23 8-1 Effects of Corrosion on Electronic Equipment ..... 8-4 8-2 Materials, Their Electronic Applications, and Corrosion Symptoms................................. 8-5 8-3 Deterioration of Non-Metallic Materials .............. 8-6 8-4 Electronic Cleaning and Corrosion Removal Consumable Materials...................................... 8-7 8-5 Accessories of Electronic Cleaning and Corrosion Control........................................... 8-20 8-6 Recommended Cleaning Processes for Electronic Equipment..................................... 8-24 8-7 Cleaning and Drying Problems and Solutions .... 8-28 8-8 Preservative Compounds for Electronic Equipment ...................................................... 8-32 11-1 Recommended Powered Abrasives for Corrosion Removal ........................................ 11-3 11-2 Recommended Non-Powered Abrasives for Corrosion Removal ........................................ 11-4 11-3 Typical Chemical Corrosion Removal Procedures for Aluminum Alloy Parts and Assemblies ............................................ 11-12 11-4 Typical Chemical Corrosion Removal Procedures for Magnesium Alloys............... 11-14 11-5 Typical Chemical Corrosion Removal Procedures for Stainless Steel (CRES) and Nickel Based Alloys.............................. 11-17 xi
Page 1 and 2: TO 1-1-700 TECHNICAL MANUAL CORROSI
Page 3 and 4: TO 1-1-700 TABLE OF CONTENTS Chapte
Page 5 and 6: TO 1-1-700 TABLE OF CONTENTS - CONT
Page 11: TO 1-1-700 TABLE OF CONTENTS - CONT
Page 15 and 16: TO 1-1-700 FOREWORD 1. PURPOSE. The
Page 17 and 18: TO 1-1-700 List of Related Publicat
Page 19 and 20: TO 1-1-700 SAFETY SUMMARY 1. GENERA
Page 21 and 22: TO 1-1-700 AMS-G-6032, GREASE, PLUG
Page 23 and 24: TO 1-1-700 MIL-DTL-64159, COATING,
Page 25 and 26: TO 1-1-700 MIL-PRF-27617, GREASE, A
Page 27 and 28: TO 1-1-700 O-L-164, DRESSING, LEATH
Page 29: TO 1-1-700 MIL-T-81772, THINNER, PO
Page 32 and 33: TO 1-1-700 tronics equipment and th
Page 34 and 35: TO 1-1-700 cleaning situation, syst
Page 36 and 37: TO 1-1-700 c. Riveted joints shall
Page 38 and 39: TO 1-1-700 c. Remove and replace an
Page 40 and 41: TO 1-1-700 MIL-L-87177, LUBRICANT,
Page 42 and 43: TO 1-1-700 Figure 3-1. Simplified C
Page 44 and 45: TO 1-1-700 resistant, and also at t
Page 46 and 47: TO 1-1-700 is first noticeable as a
Page 48 and 49: TO 1-1-700 3.7.8 Oxygen Concentrati
Page 50 and 51: TO 1-1-700 Figure 3-14. Concentrati
Page 52 and 53: TO 1-1-700 Figure 3-17. Galvanic Se
Page 54 and 55: TO 1-1-700 Figure 3-20. Aluminum Su
Page 56 and 57: TO 1-1-700 3.8.7 CRES/Stainless Ste
Page 58 and 59: TO 1-1-700 3.9.10 Climate. Warm, mo
Page 60 and 61: TO 1-1-700 3.11 PREVENTATIVE MAINTE
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TO 1-1-700 CHAPTER 4 COMPOSITE AND
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TO 1-1-700 4.4.4.4 Glass parts shal
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TO 1-1-700 CHAPTER 5 PACKAGING (STO
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TO 1-1-700 extent of damage dependi
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TO 1-1-700 5.15 PRECAUTIONS FOR VCI
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TO 1-1-700 c. Secure the desiccant
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TO 1-1-700 Figure 5-8. Shock Isolat
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TO 1-1-700 Figure 5-9. Examples of
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TO 1-1-700 5.24.10 Rigid or Flexibl
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TO 1-1-700 CHAPTER 6 MOISTURE AND F
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TO 1-1-700 c. 6.2.6 Felt. Examine f
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TO 1-1-700 a. After first directing
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TO 1-1-700 6.4.5.14 Terminals, scre
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TO 1-1-700 NOTE • Authorized clea
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TO 1-1-700 Table 7-1. Cleaning of S
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TO 1-1-700 7.3.1.2.3 Portable, 45 g
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TO 1-1-700 Table 7-2. Common Milita
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TO 1-1-700 inactivity, storage, or
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TO 1-1-700 7.5.6.5.1 Grade 1 - A th
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TO 1-1-700 Table 7-4. Corrosion Pre
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TO 1-1-700 Table 7-5. Preservation
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TO 1-1-700 either case, MIL-PRF-269
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TO 1-1-700 MIL-PRF-85285, COATING,
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TO 1-1-700 c. Cadmium plated surfac
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TO 1-1-700 a. Scuff sand and feathe
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TO 1-1-700 7.7.7.2 If surface is no
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TO 1-1-700 7.7.9.2 Where only parti
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TO 1-1-700 7.8.1 Type I Application
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TO 1-1-700 Extend (Loctite) 32150 J
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TO 1-1-700 There are three ways to
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TO 1-1-700 vulnerable surfaces clea
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TO 1-1-700 Table 8-2. Materials, Th
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TO 1-1-700 Table 8-4. Electronic Cl
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TO 1-1-700 Table 8-5. Accessories o
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TO 1-1-700 Table 8-5. Accessories o
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TO 1-1-700 f. Devices with permanen
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TO 1-1-700 Table 8-7. Cleaning and
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TO 1-1-700 MIL-PRF-87937, CLEANING
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TO 1-1-700 of contamination). Maint
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TO 1-1-700 8.8.2 Protective Coating
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TO 1-1-700 • Tube clamps. • Min
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TO 1-1-700 a. For bonding/grounding
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TO 1-1-700 vertently destroy the mo
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TO 1-1-700 doors, and other corrosi
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TO 1-1-700 CHAPTER 10 CORROSION PRO
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TO 1-1-700 MIL-PRF-81733, SEALING A
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TO 1-1-700 d. After corrosion is re
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TO 1-1-700 (3) Stainless/CRES steel
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TO 1-1-700 10.9 WATER ENTRAPMENT AR
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TO 1-1-700 f. Shield equipment from
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TO 1-1-700 b. Use e-inch rivnuts of
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TO 1-1-700 10.17.3 If the plating s
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TO 1-1-700 Figure 10-16. Dissipatio
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TO 1-1-700 (2) If allowable damage
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TO 1-1-700 Table 11-1. Recommended
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TO 1-1-700 11.6 3M CO. SCOTCH-BRITE
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TO 1-1-700 11.11.2 Control of Mecha
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TO 1-1-700 11.12.2 Mechanical Damag
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TO 1-1-700 MIL-DTL-81706 (ALODINE),
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TO 1-1-700 11.13.2.3 Application of
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TO 1-1-700 only when there is no da
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TO 1-1-700 NOTE SEMCO PASA-JELL 101
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TO 1-1-700 (CRES), lead, ceramic, g
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TO 1-1-700 11.13.7.2 Treatment of C
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TO 1-1-700 MIL-A-46106, ADHESIVE/SE
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TO 1-1-700 Table 12-1. Sealing Comp
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TO 1-1-700 used to apply sealants i
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TO 1-1-700 Figure 12-2. Sealant App
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TO 1-1-700 Figure 12-4. Rivet Appli
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TO 1-1-700 Figure 12-6. Sealant Inj
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TO 1-1-700 below and adhere very po
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TO 1-1-700 Table 12-2. Time Require
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TO 1-1-700 Table 12-2. Time Require
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TO 1-1-700 of 20 to 25 seconds in a
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TO 1-1-700 d. Remove all uncured se
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TO 1-1-700 Figure 12-12. Typical Me
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TO 1-1-700 may be used for low temp
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TO 1-1-700 Figure 12-14. Sealing Pr
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TO 1-1-700 - Robins Air Force Base

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