TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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TAKE HALF OF THE CONNECTING ROD BORE DINSION OF 4.0941 TO 4.0946 IN. TO ACHIEVE 10.998 TO 11.002 IN. BETWEEN CENTERS NOTE: BEFORE REAMWG, LUBRICATE THREADS ON CONNECTING D BOLTS AND NUTS WITH OE-> TYPE ENGINE OIL OR A-GREASE AND TIGHTEN NUTS TO A TORQUE OF 950 LB.IN. 4.0941 MIN. 4.0946 X, L. 10.99B MIN. 11. 002 X. TA034295 Figure 3-175. Co1111tcti11g rod bore ce11ter dimt11sio111. TM 9-2815-220-34 nuts alternately to 100-150 pound-inches; then to 600-650 pound-inches, and to a final torque of 1250-1300 pound inches. (3) Check the side clearance of each pair of connecting rods against limits specified in repair standards (table 3-8), using a feeler gage as shown in figure 3-176. Disassemble and replace connect- ing rods and bearings as necessary to obtain the proper clea1·ance. Figu3·176. Crcking co1111i11g i� sidr cl1'urn11cr. Section VII. REPAIR OF TORSIONAL VIBRATION DAMPER, FLYWHEEL, FLYWHEEL ADAPTER, ACCESSORY DRIVE GEAR, AND TRANSMISSION DRIVE GEARSHA 3·59. General This section covers the cleaning, inspection, and repair of the torsional vibration damper, flywheel, flywheel adapter, ac cessory drive gear, and transmission drive gearshaft. Repair standards of the individual components follow the inspection procedures. 30. Cleanlng and Inspection a. Cleani. Refer to paragraph 3-36. b. Inspection. Refer to paragraph 3-37. (1) Torsional vibration damper. Inspect tor- sional vibration damper (6, fig. 3-174) for dents or distortion on the outer surfaces. Check for evi- dence of leaking. Name and waing data must be legible (figs. 3-177 and 3-178). (2) Flywheel. Inspect flywheel (9 or 28, fig. 3-174) for elongated dowel pin holes. Mark oversize or out-of-round dowel pin holes for repair. Inspect flywheel against limits specified in repair stand- ards (table 3-9). Replace flywheels not meeting these requirements. (2.l)Flywheel aclcipter. Inspect flywheel adap- ter (27, fig. 3-174) for elongated dowel pin holes or loose dowel pin. Inspect flywheel adapler against limits specified in repair standards (table 3-9). He- Change 2 3·89