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EM-116 < UNIT DISASSEMBLY AND ASSEMBLY > CYLINDER HEAD d. Using the valve guide reamer (commercial service tool) (A), 2. If valve seat is removed in step 7 (DISASSEMBLY), install it. a. Ream cylinder head recess diameter (a) for service valve seat. • Be sure to ream in circles concentric to valve guide center. This will enable valve to fit correctly. b. Heat cylinder head to 110 to 130 ° C (230 to 266 ° F) by soaking in heated oil (A). c. Provide valve seats cooled well with dry ice. Force fit valve seat into cylinder head. WARNING: Cylinder head contains heat. When working, wear protective equipment to avoid getting burned. CAUTION: Avoid directly touching cold valve seats. d. Using the valve seat cutter set (commercial service tool) or valve CAUTION: When using the valve seat cutter, firmly grip cutter handle e. Using compound, grind to adjust valve fitting. f. Check again for normal contact. Refer to . 3. Install new valve oil seals as follows: Standard : Refer to . (Intake and exhaust) JPBIA0185ZZ Oversize : Refer to . (Intake and exhaust) JPBIA0188ZZ JPBIA0184ZZ SEM934C |