Steps for repairing of Punctured Tube: 

1. Loosen the wheel nuts. 

2. Raise the portion of punctured wheel by placing the jack at lift point. 

3. Remove the punctured wheel from hub. 

4. Keep the removed nuts safely with washer 

5. By using tube valve, release the remaining air from the tube 

6. Place the blunt lever to remove the tyre bed from the wheel or place the wheel on the tyre removing machine. 

7. Take out the tube gently by supporting the tube valve. 

8. Inspect the inner portion of tyre and check for pointed items, remove with the help of nose plier. 

9. Fit the valve back in the tube and fill the air. Check for leakage by placing the tube in water container. 

10. Mark the punctured area from where air is coming out. 

11. Dry off the punctured tube and rub the punctured place with fine grade emery paper/rasp/rubber file. 

12. Apply the cold patch adhesive solvent on and around the puncture area and allow it to dry for few minutes. 

13. Take out the cover from the cold parch and place centrally on the punctured portion of the tube in mini press unit and press the cold patch.

14. After repairing the puncture, again fill the air and check for leakage. 

15. Before fitting back tube in tyre, apply white powder (French- chalk powder) inside the tyre. 

16. Fit tyre back on wheel rim and see that this is fitted properly other wise use the tyre removing machine. 

17. Fix wheel back on the hub. 

18. Diagonally tighten the nut with specified torque. 

19. Fill the air of recommended pressure 

20. Remove the jack by lowering it.