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− − INSPECTION CYLINDER HEAD/VALVE TOOL: TOOL: 7-8 VALVE GUIDE REPLACEMENT VALVE SEAT INSPECTION/REFACING Use cutting oil on the reamer during this operation. Clean the cylinder head thoroughly to remove any Clean all intake and exhaust valves thoroughly to Apply a light coating of Prussian Blue to each valve Install new O-rings onto the new valve guides. Let the cylinder head cool to room temperature. Ream the new valve guides. 07984-2000001 or Chill new valve guides in the freezer section of a 140°C (275 290°F) with a hot plate or oven. Do not heat the cylinder Support the cylinder head and drive the valve 07742-0010100 O O - - R R I I N N G G V V A A L L V V E E G G U U I I D D E E D D R R I I V V E E R R V V A A L L V V E E G G U U I I D D E E R R E E A A M M E E R R T ake care not to tilt or lean the reamer in the guide while reaming. Be sure to wear avoid burns when handling the heated cylinder head. Using a torch to heat the cylinder head may cause warpage. 03/01/08 09:46:00 61HN400D_015 |