TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
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TM 9-2815-220-24 CYLINDER ASSEMBLY REPAIR 0135 00 WP 0135 00-5 17 CLEANING 1. See WP 0028 for Standard Cleaning Procedures. 2. Remove heavy carbon deposits from combustion chamber with a scraper or blunt tool that will not nick or scratch the surface. Remove only the heavy carbon deposits. Surface need not be cleaned to a mirror finish. 3. Clean carbon from fuel injector nozzle seat using nozzle carbon cutter (17) (item 33, WP 0176). WARNING Carbon-Removing Compound is mildly toxic • • • • Avoid inhalation of fumes. Provide adequate ventilation. Avoid contact with skin. Use goggles, rubber gloves, and rubber apron If compound is splashed on skin, flush with fresh water and wash with alcohol. Alcohol containing 2 to 3 percent camphor is preferred. 4. Soak cylinder assembly (1) in carbon-removing compound (item 7, WP 0173) to remove carbon and other foreign material from dome and valve ports. INSPECTION All parts must be inspected with care. Replace parts if damage or wear exceeds allowable limits. 1. See WP 0028 for Standard Inspection Procedures. 2. Inspect cylinder (1) bore (A). a. Replace any cylinder whose bore (A) has excessive scratches, scoring, or ring ridge. b. Replace any cylinder whose bore (A) is glazed or smooth. A 1