TM-9-2990-206-34&P Parts Manual, Tools and Maintenance for Turbocharger Model T18C01 Download
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INSPECTION—Continued. INSPECT CENTER HOUSING TOOLS: 0.7500 to 1.2500 inch telescope gage 0.00 to 1.00 inch micrometer 1.00 to 2.00 inch micrometer 1. 2. 3. 4. 5. 6. 7. 8. Inspect center housing (A) for cracks, nicks, and raised metal. Inspect for distorted or warped mounting flange and machined mating surfaces. Inspect tapped holes for thread damage. Flush oil holes with solvent, Solvent must enter through oil inlet hole (B) and flow freely through three holes (C). Inspect sleeve bearing bores (D) for stratches, scoring, or galling. Inspect for bent, cracked, or loose locating pins (E). Pins must be secure and not damaged. Measure sleeve bearing bore diameters (D) using telescope gage and micrometer. Re- place center housing if bore diameter exceeds 0.9832 inch (24.97 mu). Measure seal ring bore diameter (F) using telescope gage and micrometer. Replace center housing if bore diameter exceeds 1.0310 inch (26.19 inn). Measure step bore (G) using telescope gage and micrometer. Replace center housing if bore diameter exceeds 1.0210 inch (25.93 mm). Replace center housing if damaged, or does not meet wear limit requirements. 3-14 TM 9-2990-206-34&P TA097821