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 0137 00 CRANKCASE REPAIR WP 0137 00-5 INSPECTION (Continued) CAUTION Do not tighten studs (9) beyond 208 foot-pounds. Damage to crankcase or stud may occur. 3. Check main bearing cap stud (9) torque. a. Studs (9) must be tight at 38 foot-pound minimum torque. Studs that reach setting height before reaching 38 foot-pounds torque must be replaced. b. Mark studs (9) that do not tighten at 38 foot-pounds of torque for replacement. 9 (28 places) 4. Check inside diameter of starter idler gear shaft bore (A). Replace crankcase if measurements are not within limits (see table below). 5. Measure inside diameter of generator idler gear shaft bore (B). Replace crankcase if measurements are not within limits (see table below). REPAIR STANDARDS: Location Point of Measurement Size and Fit of New Parts min./max. [inches (mm)] Wear Limits A Inside diameter of starter idler gear shaft bore in crank case 1.1808 (29.99232) 1.1818 (30.01772) 1.1824 (30.03296) B Inside diameter of generator idler gear shaft bore in crank case 1.1808 (29.99232 1.1818 (30.01772) 1.1824 (30.03296) B A