Section 10 Diagnosis
65
Condition Inspection item Remedy
Too much engine oil Extract the oil down to proper amount.
White smoke from muffler
Too low engine oil viscosity Change the oil to one of proper viscosity.
Reduced engine oil Replenish the oil to specified level.
Failed pressure switch Replace the switch.
Engine oil pressure lamp
lights up during operation.
Failed oil pump Have the service works repair.
Failed alternator Have the service works repair.
Charging lamp lights up
during operation.
Loosened or broken fan belt Adjust the tension or replace the belt.
2. Brake
Condition Inspection item Remedy
Brake play Adjust the pedal play. Brake does not work
properly or works
unevenly.
Worn lining Replace the lining.
Damaged brake return spring Replace the spring. Brake pedal does not
return smoothly or
squeaks.
Sliding parts out of grease Remove rust and grease.
3. Hydraulic system
Condition Inspection item Remedy
Insufficient HST oil Replenish to specified level.
Air sucked from inlet pipe system Retighten the oil filter and other installing points.
Replace cracked pipe or damaged O-ring, if
any.
Clogged oil filter Replace the oil filter.
Failed pump Have the service works repair.
Dust caught by the control valve or failed O-ring Have the service works repair.
Implement is not raised.
Failed cylinder Have the service works repair.
Dust caught by the control valve Have the service works repair.
Implement does not
lower.
Failed cylinder Have the service works repair.
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