FUSO 4M4 – LUBRICATION – ON-VEHICLE INSPECTION AND ADJUSTMENT – Engine Oil Level Inspection

• Perform the inspection on a flat surface.
• Warm up the engine until the water temperature gauge points to the median.
• Check the oil level 30 minutes after the engine was stopped. If the oil level is checked about 10 minutes after engine stop, if appears 2 to 5 mm lower than the actual level.
• If the oil level is beyond the O hole, it is an indication that a portion of fuel injected during diesel particulate filter regeneration was mixed into the engine oil to raise the oil level. In such a case, replace the engine oil.

• If the oil level is lower than it should be, supply additional oil up to the replenishment limit.
• If the measured oil level is within normal range but daily check finds oil decrease excessive, check for possible abnormalities below.
• Piston ring is stuck to piston.
• Excessive clearance between the piston and the crankcase cylinder

 

Leave a Reply

Your email address will not be published. Required fields are marked *