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 REPAIR (Continued) CAUTION After new valve guides are installed, they must be reamed to specified size to assure proper clearance between valve guide and valve stem. NOTE The intake and exhaust valve guides are reamed in the same manner. Separate reamers and bushings are used for each. Reamer bushing 11642088 (item 15, WP 0176) is used for intake valve guide, and 11642089 (item 14, WP 0176) is used for exhaust guide. 6. Ream valve guides. a. Install reamer bushing (27) (use item 15 for intake, item 14 for exhaust, WP 0176) and hand reamer (28). b. Ream intake valve guide with rough hand reamer (28) (item 96, WP 0176) and then with finish reamer (29) (item 94, WP 0176). c. Ream exhaust valve guide with rough hand reamer (item 95, WP 0176) and then with finish reamer (item 93, WP 0176) (similar to illustration). 28,29 28,29 27 WP 0135 00-14