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5-16 ENGINE TOP END Valves Valve Seat Repair • Follow the manufacturer’s instructions for use of valve Special Tools - Valve Seat Cutter Holder, 5.5: 57001-1125 Valve Seat Cutter Holder Bar: 57001-1128 [For Inlet Valve Seat] Valve Seat Cutter, 45° - 27.5: 57001-1114 [For Exhaust Valve Seat] Valve Seat Cutter, 32° - 28: 57001-1119 If the manufacturer’s instructions are not available, use Seat Cutter Operation Care repair. Therefore the cutter must not be used for other 2. Do not drop or shock the valve seat cutter, or the dia- mond particles may fall off. 3. Do not fail to apply engine oil to the valve seat cutter before grinding the seat surface. Also wash off ground NOTE ○ Do not use a wire brush to remove the metal particles 4. Setting the valve seat cutter holder in position, operate the cutter in one hand. Do not apply too much force to NOTE ○ Prior to grinding, apply engine oil to the cutter and dur- 5. After use, wash it with washing oil and apply thin layer of engine oil before storing. Marks Stamped on the Cutter The marks stamped on the back of the cutter [A] represent the following. ....................... Outer diameter of cutter [C] |