NMWR-9-2815-220 Overhaul Manual for M60 M88 Engine AVDS-1790-2CA, AVDS-1790-2DA, AVDS-1790-2DR Download
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0005 00-11 Change 1 NMWR 9-2815-220 GENERAL MAINTENANCE, OVERHAUL, AND REPAIR PROCEDURES—Continued 0005 00 CLEANING - Continued 3. Cleaning Methods. Choose one of the following methods for general application cleaning. Refer to MIL-STD- 2073-1D. a. Any Applicable Process. Clean items by any process or combination of processes which will not damage the item. b. Cleaning Compound Solvent or Mineral Spirits Cleaning Process. Clean any item in cleaning compound solvent or mineral spirits and drain. Do not pressure spray. Repeat cleaning in fresh solution. Dry with compressed air. c. Vapor Degreasing Process. Subject item to vapors from degreasing fluid or solvent until no further solvent condensation occurs. d. Electrocleaning Process. Immerse the item in a solution so that the item becomes an element of an electrochemical cell. Follow with rinse in clean water above 180°F (82°C). e. Emulsion Cleaning Process. Subject the item to a pressure spray of emulsion cleaners or immerse in solvent emulsion. Then immerse in clean water above 180°F (82°C). f. Steam Cleaning Process. Subject item to steam or steam mixed with cleaning compound. g. Acetone Cleaning Process. Immerse the item in acetone. Rinse with clean water or solvent. 4. Cleaning after Nondestructive Inspection of Components. After performing liquid penetrant inspection of magnetic particle inspection, the fluorescent and visible dyes and magnetic particles must be removed from parts passing the inspection. Clean after liquid penetrant inspection according to ASTM-E-1417, and after magnetic particle inspection in accordance with ASTM-E-1444. Then preserve parts as required. 5. Castings. a. Clean inner and outer surfaces of castings and all areas subject to oil and grease by using cleaning compound solvent or mineral spirits. b. Remove sludge and gum deposits from castings, using a stiff brush. 6. Oil Passages. All oil passages must be clean and free of obstructions. a. Clean passages with wire or suitable probe to break up any sludge or gum deposits. b. Wash passages by flushing with cleaning compound solvent or mineral spirits. c. Dry passages by blowing them out with compressed air. 7. Antifriction Bearings. Bearings require special handling. Cleaning, inspection, and preparation for use of antifriction bearings are covered in TM 9-214.