TIAGO TIGOR CNG - SERVICE MANUAL

1.2L REVOTRON Bi FUEL CNG ENGINE 141 15. Assemble Crankcase Rear Cover with Rear oil seal. 16. Lock the flywheel. SPECIAL TOOL  Flywheel locking Tool in Standalone condition - 2702 5890 06 04 17. Assemble flywheel by tightening mounting bolts. II. Fitment of Piston and Connecting rod Sub-Assemblies 1. Starting with oil rings, install the taper faced rings and top rings using ring expander as per illustrated in fig. 2. Ensure the top mark on the top ring should be on top facing piston crown. CAUTION  The piston ring gap should not be inline with each other while assembling on piston.  Place the piston rings on the piston, such that the ring gaps are 120 0 apart. 3. Using ring expander, assemble piston rings. 1. Oil Ring. 2. Taper Faced Ring. 3. Top Ring. 4. Place the bearing shells of connecting rod assembly. 5. Lubricate the gudgeon pin and small end before assembly. 6. Place the gudgeon pin to the small end of connecting rod to assemble connecting rod in piston assembly. 7. Assemble gudgeon pin from the small end of connecting rod. 8. Assemble connecting rod. NOTE  Ensure that the arrow mark on the piston crown is facing the left of technician and connecting rod notch is on the opposite side of arrow mark while assembling the piston connecting rod assembly.