TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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Note. After new valve guides are installed, they must be reamed to specified size to assure proper clearance between valve guide and valve stem. (b) Install the reamer bushing - 4910- 795-7950 into intake valve seat as shown in figure 6-61. Use hand reamer - 5110-708-3698 to rough ream and hand reamer - 5110-708 3699 to finish ream intake valve guides as shown in figures 6-61 and 6-62. The exhaust valve guides may be reamed in a similar manner using reamer bushing - 4910-795-7957, rough hand reamer - 5110-708-3696, and finish hand reamer 5110-708-3697. Figure 6-61. Intake valve guide hand reamer - 5110-708-3698 or 5110-708-3699 and reamer bushing - 910-795-7950 positioned in cylinder head-sectional view. 6-68