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. The intake and exhaust valve guides are installed in the same manner. Valve guide replacer - 5120-448-0402 is used for replacing intake valve guide, and valve guide replacer- 5120-448-7993 is used for replacing exhaust valve guide. 1. Remove ferrule (A) from end of valve guide replacer (B). 2. Place new valve guide over replacer (B) with short end of guide entering hollow replacer handle. Replace ferrule to retain guide or replacer. Figure 6-59. Positioning intake valve guide on valve guide replacer - 5120-448-0402. 1. Place assembled intake valve guide (A) and valve guide replacer - 5120-448-0402 into valve guide bore in cylinder. 2. Carefully drive valve guide into cylinder until flange on guide is positioned against top face of guide bore. 3. Remove ferrule (B) from replacer and withdraw replacer from valve guide. 4. Install exhaust valve guide (C) in the same manner using valve guide replacer - 5120-448-7993. Figure 6-60. Installing intake valve guide using valve guide replacer - 5120-448-0402. 6-67