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 FRAME 17 1. 2. 3. 4. 5. 6. Send cylinder head (1) to machine shop. NOTE Intake valve seat inserts (2) and exhaust valve seat inserts (3) were taken out of cylinder head (1) before head was sent to machine shop unless valve seat inserts need machining. Intake valve seat inserts (2) are bigger than exhaust valve seat inserts (3). In machine shop, grind any intake valve seat inserts (2) and any exhaust valve seat inserts (3) tagged for machining at a 45 degree angle as shown in figure 4-5. Mark valve seat inserts for replacement if they are worn more than limits shown in figure 4-5. In machine shop, if cylinder head (1) is tagged for resurfacing, take out intake valve seat inserts (2) using engine valve seat knockout tool. Tag intake valve seat inserts that were not marked to throw away so they can be put back in the same place. In machine shop, if cylinder head (1) is tagged for resurfacing, take out exhaust valve seat inserts (3) using engine valve seat knockout tool. Tag exhaust valve seat inserts that were not marked to throw away so they can be put back in the same place. In machine shop, check that intake valve seat counterbores and exhaust valve seat inserts (2 and 3) are not damaged. Mark damaged valve seat counterbores for machining. In machine shop, do frame 10 for intake valve seat counterbores under any intake valve se-at inserts (2) just taken out. Do frame 11 again for exhaust valve seat counterbores under any exhaust valve seat inserts (3) just taken out. GO TO FRAME 18 4-227