Chapter 3 Ventilation system Section 1 Valve train (5)Timing gear 0.081 mark Figure 3.12 Camshaft axial locating Figure 3.13 Timing gear installation mark 机被有电子工程学聚 Automobile and Tractor Northwest A&F UniversityAutomobile and Tractor Northwest A&F University Chapter 3 Ventilation system (5) Timing gear Figure 3.12 Camshaft axial locating Figure 3.13 Timing gear installation mark Section 1 Valve train