TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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fi11re 3·196. ln1tnlli11s i11wkc valt1c guide wing i•alve guide rl'placer. NOTE After new valve guides are installed, they must. be reamed to specified size to assure proper clearance between valve guide and valve stem. ) Install I.he reamer bushing Part No. 1164Ð8 into intake valve seat as shown in figure 3· 197. Use hand reamer Part No. 708398 to rough ream and hand reamer Part No. 7083699 to finish ream in· take valve guides as shown in figures 3-197 and 3-198. The exhaust valve guides may be reamed in a similar manner using reamer bushing Part No. 1164Ð9, rough hand reamer Part No. 7083696, and finish hand reamer Part No. 7083697. lliTAKE VALVE REAMER BUSHIUG TM 9-2815-220·34 TA021568 Figure 3·197. lntak i•alve guided hon reamer and reamer bu.thing p0Jitio11ed in cyliner l1ead -tiionol iew. figure 3-198. Reaming i111oke +0/11c guide, �ing hond reamer one/ reamer biuhing. 3-105