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Author: samuel

FUSO 4M4

FUSO 4M4 – COOLING – ON-VEHICLE INSPECTION AND ADJUSTMENT – Air Bleeding of Cooling System

Posted on October 16, 2022

• With the pressure cap removed and the coolant temperature at 90°C, let the engine idle in order to bleed air completely out of the…

FUSO 4M4

FUSO 4M4 – COOLING – ON-VEHICLE INSPECTION AND ADJUSTMENT – Coolant Replacement and Cleaning of Cooling System

Posted on October 16, 2022

• Using the radiator for extended periods of time without cleaning can increase chance of rust and scale formation, which may cause engine overheating. The…

FUSO 4M4

FUSO 4M4 – COOLING – ON-VEHICLE INSPECTION AND ADJUSTMENT – Inspection of Cracks or Damage of the Belt

Posted on October 16, 2022

• Visually check the belts for possible cracks and damage. • If any faults are found, replace the belts.  

FUSO 4M4

FUSO 4M4 – COOLING – ON-VEHICLE INSPECTION AND ADJUSTMENT – Inspection and Adjustment of Belt Tension

Posted on October 16, 2022

[Inspection] • Press each belt at a central portion between pulleys with a force of approximately 98 N {10 kgf} as shown in the illustration…

FUSO 4M4

FUSO 4M4 – COOLING – TROUBLESHOOTING

Posted on October 13, 2022

 

FUSO 4M4

FUSO 4M4 – COOLING – STRUCTURE AND OPERATION – Water Pump

Posted on October 13, 2022

• The water pump has a drain hole to prevent coolant from entering the unit bearing in case of defect in the unit seal.  

FUSO 4M4

FUSO 4M4 – COOLING – STRUCTURE AND OPERATION – Thermostat

Posted on October 13, 2022

• The thermostat is a bottom bypass type that uses a wax-filled pellet as its flow-regulating element. When the wax is heated, it melts from…

FUSO 4M4

FUSO 4M4 – COOLING – STRUCTURE AND OPERATION – Cooling System (Flow of Coolant)

Posted on October 13, 2022

 

FUSO 4M4

FUSO 4M4 – FUEL AND ENGINE CONTROL – ELECTRIC CIRCUIT DIAGRAM

Posted on October 13, 2022

 

FUSO 4M4

FUSO 4M4 – FUEL AND ENGINE CONTROL – INSTALLED LOCATIONS OF PARTS

Posted on October 12, 2022

 

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