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The bush surfaces must not show any sign of seizing or 47504 47508 Figure 95 Figure 96 MAIN DATA - CAMSHAFT AND TOLERANCES The surfaces of shaft supporting pin and cams must be extremely smooth; if you see any sign of seizing or scoring, replace the shaft and the relative bushes. MAIN DATA - CAMSHAFT BUSHES AND RELATIVE BLOCK SEATS * Bush inner diameter after installation Bushes Measure the bush inner diameters with a baremeter and replace 42 SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS TOLERANCES TOLERANCE CHARACTERISTIC SYMBOL ORIENTATION Perpendicularity ⊥ POSITION Concentricity or coaxial alignment OSCILLATION Circular oscillation ↗ IMPORTANCE CLASS ASSIGNED TO PRODUCT CHARACTERISTICS SYMBOL CRITICAL © IMPORTANT ⊕ SECONDARY ⊝ |