|
|
11.7 Valve seat ring Valve seat angle Inlet ° 45 Exhaust ° 45 Valve seat width Inlet mm (in) 1.1 ±0.15 (0.043 ±0.006 ) Wear limit mm (in) 2.5 (0.0984) Exhaust mm (in) 1.4 ± 0.15 (0.0551 ± 0.0059 ) Wear limit mm (in) 3.0 (0.1181) Valve seat extl. dia. (dimension for machin- Inlet mm (in) 33.4 ±0.1 (1.315 ±0.004 ) Exhaust mm (in) 28.4 ±0.1 (1.118 ±0.004 ) Seat ring dia. (oversize +0.2 mm/+0.0079 in) Inlet mm (in) 36.617...36.633 (1.4416...1.4422) Exhaust mm (in) 32.134...32.150 (1.2651...1.2658) Seat dia. in cylinder head (oversize Inlet mm (in) 36.500...36.525 (1.4370...1.4380) Exhaust mm (in) 32.000...32.025 (1.2599...1.2608) Valve guide Valve guide, outside dia. mm (in) 12.533...12.544 (0.4934...0.4939) Bore in cylinder head mm (in) 12.500...12.518 (0.4921...0.4928) Overlap mm (in) 0.015...0.044 (0.0059...0.0017) Repair stages Replacement valve guide, outside dia. mm (in) 12.550...12.561 (0.4941...0.4945) Oversize valve guide, outside dia. mm (in) 12.733...12.744 (0.5013...0.5017) Valve guide inside dia. mm (in) 5.0...5.012 (0.1969...0.1973) Radial clearance Inlet mm (in) 0.020...0.046 (0.0008...0.0018) Wear limit mm (in) 0.15 (0.0059) Exhaust mm (in) 0.030...0.056 (0.0012...0.0022) Wear limit mm (in) 0.17 (0.0067) Valve spring Spring length, off-load mm (in) 41.1 (1.6181) Wear limit mm (in) 39.0 (1.5354) Technical Data 11 Engine R 1150 RT |