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 NOTE: Indications of defects can be lost by too much____
 ú  solvent spraying.
 ú
 ú
 ú  S 232-033-C00
 ú  (4)  Application of Developer
 ú 
        ú
 WARNING: AVOID BREATHING OF VAPORS. IF YOU DO NOT OBEY THIS_______
 ú  INSTRUCTION, INJURY CAN OCCUR.
 ú
 ú  (a) Apply developer by spray only to a dry part at ambient
 ú  temperature.
 ú 
        ú
 NOTE: When you use an aerosol container, follow the____
 ú  manufacturer's directions.
 ú
 ú  1) Hold the spray nozzle about 8-10 inches (200-250 mm) from
 ú  the part surface and apply a fine thin coating.
 ú  2) Normally two passes are adequate.
 ú  3) Coverage should be uniform and a metallic background should
 ú  be visible through the developer.
 ú  (b) Allow ten minutes for developer to absorb penetrant.
 ú
 ú  S 232-034-C00
 ú  (5)  Inspection of Parts
 ú 
        ú
 CAUTION: THE USE OF HIGH INTENSITY (125 WATT) ULTRAVIOLET BULBS_______
 ú  WHICH EMIT AN EXCESS AMOUNT OF WHITE LIGHT WILL AFFECT THE
 ú  SENSITIVITY OF THE FLUORESCENT PENETRANT PROCESS. USE
 ú  ONLY BULBS CERTIFIED BY THE NDT ORIGINAL EQUIPMENT
 ú  MANUFACTURER AS HAVING PASSED THEIR IN-HOUSE INSPECTION.
 ú  IN ADDITION, THESE HIGH INTENSITY BULBS SHOULD BE
 ú  PERIODICALLY TESTED FOR WHITE LIGHT EMISSION.
 ú
 ú  (a) Point the ultraviolet light on the part while in the inspection
 ú  booth or darkroom.
 ú  (b) Inspect to limits specified for the parts.
 ú  (c) Inspect questionable indications as follows:
 ú 
        ú
 WARNING: CLEANING SOLVENTS ARE FLAMMABLE, VOLATILE, AND TOXIC._______
 ú  THEY SHOULD BE USED IN ADEQUATE VENTILATION. AVOID
 ú  PROLONGED BREATHING OF VAPORS AND REPEATED OR
 ú  PROLONGED CONTACT WITH SKIN OR CLOTHING.
 ú
 ú  1) Wipe area once with solvent using a cotton swab or
 ú  fine-hair art brush.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 70-40-01
 ALL  ú ú C02.1 Page 205 ú Jul 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
ú  2) Apply developer to suspected area after solvent has dried.
 ú  3) Inspect under ultraviolet light.
 ú  a) Indications that show again in two minutes shall be
 ú  considered as valid indications.
 ú  4) If indications do not show again, inspect the part under
 ú  white light with a 10-power magnifying lens.
 ú  (d) Identify the location of defects with approved marking method.
 ú
 ú  S 232-035-C00
 ú  (6) Cleaning of Parts after Inspection
 ú 
        ú
 CAUTION: ALL RESIDUAL PENETRANTS AND DEVELOPER MATERIAL MUST BE_______
 ú  REMOVED FROM PART AS SOON AS POSSIBLE. MATERIAL NOTE
 ú  REMOVED CAN CAUSE SEVERE CORROSION OF PARTS AT HIGH
 ú  TEMPERATURES AND PROBLEMS DURING WELDING.
 ú
 ú  WHEN YOU CLEAN PARTS MADE OF TITANIUM OR TITANIUM ALLOYS
 ú  WITH SOLVENT, USE ONLY SOLVENTS THAT DO NOT INCLUDE
 ú  HALOGENS.
 ú
 ú  WHEN YOU CLEAN PARTS MADE OF TITANIUM OR TITANIUM ALLOYS
 ú  WITH WATER, USE ONLY DEIONIZED WATER.
　
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