TO 1-1-700 - Robins Air Force Base

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TO 1-1-700 Table 8-7. Cleaning and Drying Problems and Solutions Component Problem Solution APC connectors Shock damage to conductors Seal and hand clean only Crystal detectors Heat damage from oven Dry at 130 °F (54 °C) Maximum Delay lines Trap solution in housing Seal or remove Fan motors Trap solution in housing Seal or remove Gyroscopes Trap solution in housing Seal Klystron cavity Trap solution in sockets Remove tube and seal sockets Meters and gauges Trap solution through open back Seal Paper capacitors Disintegrate Seal Potentiometers Trap solution Seal Printed circuit boards Trap solution (when installed) Remove and clean separately Rotary switches Trap solution in housing Seal Sliding RF attenuators Trap solution in housing Seal or remove Sliding cam switches Shock damage to cam Remove or hand clean only Synchros and Servos Loss of bearing lubricant Seal or remove Transformers Trap solution in housing Seal Tunable cavities Trap solution in cavity Seal or remove Vacuum tubes Shock damage Remove Variable microwave attenuators Trap solution in housing Seal or remove Waveguide Trap solution in housing Seal or remove Wire wrap connections Shock damage Hand clean only 8.6.3.5 Hand Cleaning Methods and Materials. Hand cleaning will be performed when components cannot tolerate other methods, when components are not easily removable from larger assemblies, or when other methods of cleaning are unavailable. Hand cleaning methods for electronics require the following materials: • Cloth, CCC-C-46 • Cheesecloth, CCC-C-440 • Cotton tip applicator • Acid Brush • Toothbrush • Brush • Lint-free cloth, A-A-59323 • Cotton flannel, A-A-50129 • Plastic manual spray bottle 8.6.3.6 Removal of Fingerprints. Fats and oils deposited with fingerprints are highly corrosive. In addition, they can trap dust, corrosion product, or other contaminants. Fingerprints are to be removed using the following procedure: 8-28
TO 1-1-700 TT-I-735, ALCOHOL, ISOPROPYL 65 a. Apply a mixture of one part TT-I-735, Isopropyl Alcohol, and one part distilled water to affected areas with a CCC-C-46 Cleaning Cloth, acid brush, toothbrush or other brush as appropriate. b. Wipe or scrub affected area until contaminants have been removed. c. Remove residue by blotting or wiping with a CCC-C-46 Cleaning Cloth. Inspect affected areas for signs of residues and contaminants. d. Repeat steps a through c until all contaminants are removed. e. Discard contaminated cloths and solvents in approved disposal containers after cleaning operation to avoid contamination of other components. MIL-PRF-85570, CLEANING COMPOUND, AIRCRAFT 51 a. Wipe surface with a CCC-C-46, Class 7 Cleaning Cloth, acid brush, disposable applicator, or pipe cleaner dampened with MIL-PRF-87937, Type IV, or MIL-PRF- 85570, Type II, Cleaning Compound, until clean. b. Dry surface with a CCC-C-46, Class 7 Cleaning Cloth, disposable applicator, or pipe cleaner. 8.6.3.9 Removal of Bacteria and Fungi. Bacterial, mold, and fungal growth is facilitated by the presence of surface contaminants (such as dust, fingerprints, and corrosion product) and water. The best way to prevent or minimize the presence of these organisms is to maintain cleanliness and prevent moisture intrusion or high humidity. Fungus, mold, and bacteria shall be cleaned using the following procedure: a. Mask capacitors, relay contacts, switches, and tunable coils with SAE-AMS-T-21595, Type I, Pressure-Sensitive Tape. TT-I-735, ALCOHOL, ISOPROPYL 65 TT-I-735, ALCOHOL, ISOPROPYL 65 Ensure that EPROM devices are protected from UV light and that ESD sensitive components are adequately protected. 8.6.3.7 Removal of Solder Flux Residue. Solder flux is used on all solder operations and it leaves behind a corrosive residue. Corrosion will occur if the flux residue is exposed to an electrolyte. Cleaning solder flux residue requires the use of solvents that do not damage the surrounding components. The presence of solder flux can be detected using ultraviolet light. Under UV light, solder flux residue appears as a fluorescent stain. Solder flux residue shall be removed with a solution of three parts TT-I-735, Isopropyl Alcohol, to one part distilled water. 8.6.3.8 Removal of Silicone Lubricant. Silicone residue can be removed from surfaces using the following procedures: MIL-PRF-87937, CLEANING COMPOUND, AIRCRAFT 52 b. Apply a mixture of one part TT-I-735, Isopropyl Alcohol, and one part distilled water to affected areas with a CCC-C-46, Class 7 Cleaning Cloth, acid brush, toothbrush or other brush as appropriate. c. Wipe or scrub affected area until contaminants have been removed. d. Remove residue by blotting or wiping with a CCC-C- 46, Class 7 Cleaning Cloth. Inspect affected areas for signs of residues and contaminants. e. Repeat steps a through c until all contaminants are removed. f. Discard contaminated cloths and solvents in approved disposal containers after cleaning operation to avoid contamination of other components. 8.6.3.10 Removal of Dust, Dirt, Grease, and Oil. Dust, dirt, grease, and oil can trap contaminants or moisture that facilitates the corrosion process. In addition, they can provide food for microorganisms that attack electronics. Dust, grease, dirt, and oil shall be removed using the following procedure: 8-29
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TO 1-1-700 TECHNICAL MANUAL CORROSI
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TO 1-1-700 TABLE OF CONTENTS Chapte
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TO 1-1-700 TABLE OF CONTENTS - CONT
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TO 1-1-700 LIST OF ILLUSTRATIONS -
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TO 1-1-700 FOREWORD 1. PURPOSE. The
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TO 1-1-700 List of Related Publicat
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TO 1-1-700 SAFETY SUMMARY 1. GENERA
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TO 1-1-700 AMS-G-6032, GREASE, PLUG
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TO 1-1-700 MIL-DTL-64159, COATING,
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TO 1-1-700 MIL-PRF-27617, GREASE, A
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TO 1-1-700 O-L-164, DRESSING, LEATH
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TO 1-1-700 MIL-T-81772, THINNER, PO
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TO 1-1-700 tronics equipment and th
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TO 1-1-700 cleaning situation, syst
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TO 1-1-700 c. Riveted joints shall
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TO 1-1-700 c. Remove and replace an
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TO 1-1-700 MIL-L-87177, LUBRICANT,
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TO 1-1-700 Figure 3-1. Simplified C
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TO 1-1-700 resistant, and also at t
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TO 1-1-700 is first noticeable as a
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TO 1-1-700 3.7.8 Oxygen Concentrati
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TO 1-1-700 Figure 3-14. Concentrati
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TO 1-1-700 Figure 3-17. Galvanic Se
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TO 1-1-700 Figure 3-20. Aluminum Su
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TO 1-1-700 3.8.7 CRES/Stainless Ste
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TO 1-1-700 3.9.10 Climate. Warm, mo
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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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Page 108 and 109: TO 1-1-700 7.5.6.5.1 Grade 1 - A th
Page 110 and 111: TO 1-1-700 Table 7-4. Corrosion Pre
Page 112 and 113: TO 1-1-700 Table 7-5. Preservation
Page 114 and 115: TO 1-1-700 either case, MIL-PRF-269
Page 116 and 117: TO 1-1-700 MIL-PRF-85285, COATING,
Page 118 and 119: TO 1-1-700 c. Cadmium plated surfac
Page 120 and 121: TO 1-1-700 a. Scuff sand and feathe
Page 122 and 123: TO 1-1-700 7.7.7.2 If surface is no
Page 124 and 125: TO 1-1-700 7.7.9.2 Where only parti
Page 126 and 127: TO 1-1-700 7.8.1 Type I Application
Page 128 and 129: TO 1-1-700 Extend (Loctite) 32150 J
Page 130 and 131: TO 1-1-700 There are three ways to
Page 132 and 133: TO 1-1-700 vulnerable surfaces clea
Page 134 and 135: TO 1-1-700 Table 8-2. Materials, Th
Page 136 and 137: TO 1-1-700 Table 8-4. Electronic Cl
Page 150 and 151: TO 1-1-700 Table 8-5. Accessories o
Page 152 and 153: TO 1-1-700 Table 8-5. Accessories o
Page 154 and 155: TO 1-1-700 f. Devices with permanen
Page 158 and 159: TO 1-1-700 MIL-PRF-87937, CLEANING
Page 160 and 161: TO 1-1-700 of contamination). Maint
Page 162 and 163: TO 1-1-700 8.8.2 Protective Coating
Page 164 and 165: TO 1-1-700 • Tube clamps. • Min
Page 166 and 167: TO 1-1-700 a. For bonding/grounding
Page 168 and 169: TO 1-1-700 vertently destroy the mo
Page 170 and 171: TO 1-1-700 doors, and other corrosi
Page 173 and 174: TO 1-1-700 CHAPTER 10 CORROSION PRO
Page 175 and 176: TO 1-1-700 MIL-PRF-81733, SEALING A
Page 177 and 178: TO 1-1-700 d. After corrosion is re
Page 179 and 180: TO 1-1-700 (3) Stainless/CRES steel
Page 181 and 182: TO 1-1-700 10.9 WATER ENTRAPMENT AR
Page 183 and 184: TO 1-1-700 f. Shield equipment from
Page 185 and 186: TO 1-1-700 b. Use e-inch rivnuts of
Page 187 and 188: TO 1-1-700 10.17.3 If the plating s
Page 189: TO 1-1-700 Figure 10-16. Dissipatio
Page 192 and 193: TO 1-1-700 (2) If allowable damage
Page 194 and 195: TO 1-1-700 Table 11-1. Recommended
Page 196 and 197: TO 1-1-700 11.6 3M CO. SCOTCH-BRITE
Page 198 and 199: TO 1-1-700 11.11.2 Control of Mecha
Page 200 and 201: TO 1-1-700 11.12.2 Mechanical Damag
Page 202 and 203: TO 1-1-700 MIL-DTL-81706 (ALODINE),
Page 204 and 205: 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 MIL-PRF-81733, SEALING A
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TO 1-1-700 MIL-PRF-81733, SEALING A
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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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