70 SPECIFICATIONS Camshaft Control of camshaft settings, cold engine and valve clearance for cylinder 1 inlet valve equals zero. Inlet valve for cylinder 1 should be open 1.6 ± 0.3 mm (0.063 ± 0.012 inch) at a flywheel position of 6 degrees after TDC. When checking, the timing gears must be rotated in the correct direction (counterclockwise) in order to take up all gear tooth clearance.
Axle arrangements Gear Number of bearings 7 Standard bearing journal diameter 69.97–70.00 mm (2.754–2.760 inch) Undersize bearing journal diameters 0.25 mm (0.010 inch) 69.72–69.78 mm (2.746–2.747 inches) 0.50 mm (0.020 inch) 69.47–69.53 mm (2.735–2.737 inches) 0.75 mm (0.030 inch) 69.22–69.28 mm (2.725–2.728 inches) Valve lift at zero play Inlet Exhaust Volvo Engine Brake™ 13.1 mm (0.520 inch) 12.5 mm (0.490 inch) Permitted wear, entire camshaft profile 0.1 mm (0.0039 inch) maximum Unit injector, stroke 18 mm (0.710 inch) Wear value Max end float 0.24 mm (0.0094 inch) Bearing, permitted diametrical wear 0.1 mm (0.0039 inch) maximum