TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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(2) Flywheel. Inspect flywheel (9, fig. B-3) for elongated dowel pin holes. Mark oversize or out-of-round dowel pin holes for repair. Check flywheel fuel injection pump timing mark (IR INJ PORT CLOSE) location to be certain flywheel has been marked properly. Original production engine flywheel marks were set at 26 degrees BTC. Improved design engine flywheel marks were set at 30 degrees BTC at production and were later remarked with a dotted line to a 26 degree setting. All flywheels must be marked to the 26 degree setting with a dotted line as shown in figures 6-40 and 6-41. In the event of a flywheel having original markings only and without a dotted line to indicate the proper 26 degree BTC setting, carefully measure to determine correct degree setting and mark flywheel with a dotted line as shown in figures 6- 40 and 6-41. Figure 6-40. Original production engine flywheel fuel injection pump timing mark location. 6-43 .