12000 miles maintenance

1. Please maintain the truck according the rules for 6000 mile maintenance.
2. Please check the outside of the battery and make sure whether there are crackles or not. And make sure it is in good condition.
3. Please adjust the gaps between valve.
4. Please wash the ventilating pipe of crankshaft and the element of the air filter.
5. Please wash and check the starter and the generator and make sure the adjuster is effective.
6. Please adjust the stroke of the clutch pedal and the brake pedal.
7. Please adjust the free movement of the steering wheel.
8. Please drain out the oil inside the brake cylinder and the clutch cylinder.
9. Please adjust the gaps between the service brake shoe and the parking brake shoe.
10. Please clean up the dirt inside the air filter and the dirt tray.
11. Please change the fuel filter.