SAFARI BSVI - SERVICE MANUAL

KRYOTEC ENGINE 174 10. While using holding tool 1871008600 (1a) remove the exhaust idler gear bolt (1b). 11. Remove the idler gears (1) from the camshafts. 12. Using a suitable punch, extract the intake camshaft (1a) and the relative cap (1b). 13. Using a suitable punch, extract the exhaust camshaft (2a) and the oil seal (2b). 14. To determine if the upper head has to be replaced, or the camshafts are worn, take the measurements shown below. • Check that the diameter of the pins of the camshaft is within the prescribed values; otherwise, replace the camshaft due to being worn. Pin diameter measurement Specification Range (mm) 1 43.600 - 43.615 2 43.400 - 43.415 3 43.200 - 43.215 4 43.000 - 43.015 5 30.000 - 30.015 • Check that the nominal lift of the camshafts is within the prescribed values; otherwise, replace the camshaft due to being worn. Camshaft lobes measurement Specification (mm) Intake 8.5 Exhaust 8.0 15. Make sure the camshaft journals (1) is within the prescribed values; otherwise, replace the upper head only. Camshaft journal measurement Specification Range (mm) 1 43.646 - 43.671 2 43.446 - 43.471 3 43.246 - 43.271 4 43.046 - 43.071 5 30.045 - 30.070