5-10t Internal Combustion Counterbalance Forklift Truck Operation & Maintenance Manual
Table 3-6 Oil Leak
Part
Cause for Failure
Generation
Examination Method Removal Method
(1)Oil Seal Damaged
Disassembling and examining,
whether or not oil seal lip or other
loosened fitting parts are worn out
Oil seal to be
replaced
(2)Casing Connection
Incorrect
Examining
Gasket to be
tightened or
replaced
(3)Joint and Oil Pipe
Loosened
Examining
Pipe to be
tightened or
replaced
(4)Oil Drain Plug
Loosened
Examining
To be tightened
or replaced
(5)Oil Ejected out
from Vent Hole
Discharging oil and examining
whether or not water is blended into
oil, examining whether or not air is
sucked in the oil suction joint, and
examining the vent hole of air breather
Oil to be
replaced, to be
tightened or
replaced, and
seal to be
rehabilitated
Torque
Converter
and
Transmission
(6)Oil Quantity
Excessive
Examining oil level
Excessive oil to
be drained
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