53 PERIODIC SERVICE A When the fuel line is disconnected for maintenance or repair, close both ends of the fuel line with a piece of clean cloth or paper to prevent dust and dirt from entering. In addition, particular care must be taken not to admit dust and dirt into the fuel pump. Entrance of even a small amount of dust or dirt cause premature wear and malfunction of the fuel pump and injector components. Proper alternator drive belt tension The belt should deflect approx. 10 mm (0.39 in.) when the center of the belt between pulleys is depressed with finger pressure of 98 N (10 kgf, 22 lbs.). 5. Fasten the M10 bolt. 6.
Check that the deflection of the center of the belt between pulleys is proper as the fourth step of the checking procedure. A Make sure to check the deflection of the belt after fastening the M10 bolt. 7. If the deflection of the belt is incorrect, restart the work from the third step of the adjusting procedure. 8. Fasten the M8 bolt. 9. Fix the lock nut. B Checking Fuel Line (1) Hose clamp (2) Fuel line To avoid personal injury: A Be sure to stop the engine and remove the key when attempting to make the following checks and changes. A Never fail to check the fuel lines periodically. The fuel lines are subject to wear and aging. Fuel may leak out onto the running engine, causing a fire.
The fuel line connections should be checked annually or every 100 service hours, whichever comes first. 1. Park the vehicle on a flat surface and raise the cargo bed. 2. The fuel line is made of rubber and ages regardless of service period. 3. If the fuel line and clamps are found to be damaged or deteriorated, replace them. (1) Hose clamp (2) Fuel line (3) Fuel pump with filter