TM-9-2815-210-34-2-2 LDS-465-1/LDS-465-2 Multifuel Engine Maintenance Manual Part 2
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TM 9-2815-210-34-2-2 1. 2. 3. Put each shrink. NOTE Two sizes of exhaust valve seat inserts (1) are used in these cylinder heads (2). Standard size exhaust valves seat inserts go in standard size exhaust valve seat counterbores (3). For 0.0100-inch oversize exhaust valve seat centerbores, use 0.0100-inch oversize exhaust valve seat inserts. exhaust valve seat insert (1) in dry ice for four hours so it will NOTE Exhaust valve seat insert (1) must be put in its exhaust valve seat counterbore (3) right after it is taken out of dry ice. If exhaust valve seat insert is left out too long, it will get bigger and will not fit. Put exhaust valve seat insert (1) in place on its exhaust valve seat counter- bore (3), beveled edge facing out. Using soft-faced hammer and exhaust valve seat replacer, put new exhaust valve seat insert into its exhaust valve seat counterbore. Tag new exhaust valve seat inserts for lapping by machine shop, Send cylinder head (2) to machine shop along with intake and exhaust valves which seat against new intake and exhaust valve seat inserts. Tell machine shop to lap new intake and exhaust valve seats to the valves that seat against them. END OF TASK 4-237 FRAME 24