Use a stiff fiber bristled brush dipped in fluorinated solvent, trichlorotrifluorethane (MS-941/CO2) (SECTION VII).
(c)
Exposed wire
Use a stiff fiber bristled brush dipped in solvent, isopropyl alcohol (Federal Specification TT-1-735) (SECTION VII).
WARNING: USE CORRECT PERSONAL PROTECTION. COMPRESSED AIR WILL CAUSE LOOSE PARTICLES THAT CAN GET IN YOUR EYES. COMPRESSED AIRFLOW CAN CAUSE CUTS, DO NOT POINT IT AT YOUR SKIN.
(5) Clean the interior of electronic components cabinets using compressed air. Avoid the use of solvents, if possible.
N. Method No. 203P: Cleaning Non-corroded/Non-coked Steel or Non-steel Bearings
CAUTION: USE EXTREME CARE WHEN HANDLING BEARINGS OR BEARING
COMPONENTS.
DO NOT USE WIRE BRUSH OR ABRASIVES TO CLEAN BEARINGS.
COMPONENTS OF EACH BEARING ARE A MATCHED SET. USE EXTREME CARE NOT TO MIX BEARING COMPONENTS. MATCHED SETS MUST BE MAINTAINED.
DO NOT STACK BEARINGS IN CLEANING BASKET.
Clean non-corroded/non-coked steel or non-steel bearings as follows:
(1)
Place bearings in wire dip basket one-layer deep and vapor degrease (Method No. 203B) for five minutes.
WARNING: SOLVENT VAPORS ARE TOXIC AND FLAMMABLE. DO NOT INHALE
VAPORS. OBSERVE FIRE PRECAUTIONS.
(2)
Spray solvent (Federal Specification P-D-680, Type I) (SECTION VII) to remove grease, soot, or grime residue.
NOTE: Use a medium fiber brush as required to remove residue.
Cleaning
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CAUTION: DO NOT STACK BEARINGS IN CLEANING BASKET.
(3)
Place bearings in cleaning basket one-layer deep and vapor degrease (Method No. 203B) for five minutes.
WARNING: USE CORRECT PERSONAL PROTECTION. ALKALINE CLEANING SOLUTIONS ARE HAZARDOUS. AVOID INHALING FUMES OR MIST. AVOID CONTACT WITH SKIN. AFTER USE, WASH HANDS AND FACE THOROUGHLY.
(4)
Immerse bearings in alkaline cleaner (Diversey 909) (SECTION VII) for one to five minutes to remove any remaining residue.
NOTE: Use medium fiber brush as required to remove residue.
(5)
Flush with clean water spray followed by a rinse in clean water heated to 140 to 180F (60 to 82C).
WARNING: USE CORRECT PERSONAL PROTECTION. COMPRESSED AIR WILL CAUSE LOOSE PARTICLES THAT CAN GET IN YOUR EYES. COMPRESSED AIRFLOW CAN CAUSE CUTS, DO NOT POINT IT AT YOUR SKIN.
(6)
Pressure air-dry (20 psig (137,895 kPa) maximum) to dry parts.
WARNING: SOLVENT VAPORS ARE TOXIC AND FLAMMABLE. DO NOT INHALE
VAPORS. OBSERVE FIRE PRECAUTIONS.
CAUTION: DO NOT STACK BEARINGS IN CLEANING BASKET.
(7)
Place bearings in wire dip basket one-layer deep and vapor degrease (Method No. 203B) for five minutes.
CAUTION: WHEN HANDLING CLEAN, UN-OILED BEARINGS WEAR EITHER SYNTHETIC RUBBER, NYLON MESH WITH POLYESTER PALMS AND FINGERS, OR CLEAN COTTON GLOVES.
(8)
If bearings are not to be inspected within 24 hours, apply clean solvent (Federal
Specification P-D-680, Type 1) (SECTION VII) and allow to drain.
(9)
Place bearings in protective covered container.
O. Method No. 203P1: Cleaning Corroded/Coked Steel Bearings or Steel Bearing Components
CAUTION: DO NOT CLEAN NON-STEEL BEARINGS OR COMPONENTS IN RUST
STRIPPER.
Clean corroded/coked steel bearings or steel bearing components as follows:
CAUTION: DO NOT STACK BEARINGS IN CLEANING BASKET.
(1) Place steel bearings or steel bearing components into a divided dip basket, or individual dip baskets, to ensure that parts do not intermix. Maintain matched sets.
Cleaning
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