Fig.3.7 Tor-con hydraulic system
Fig.3.7 Tor-con hydraulic system
Pressur of the fluid for clutch is adjusted to 1.2 to 1.5 MPa with the relief valve.And
Pressur of the fluid for clutch is adjusted to 1.2 to 1.5 MPa with the relief valve.And
then it is supplied to the control valve.Pressure of the fluid divided for the converter is
then it is supplied to the control valve.Pressure of the fluid divided for the converter is
adjusted to 0.5 to 0.7 MPa with
adjusted to 0.5 to 0.7 MPa with
the converter relief valve.After that this fluid reaches the
the converter relief valve.After that this fluid reaches the
wheel of torque converter.After it is cooled by
wheel of torque converter.After it is cooled by
the oil cooler,it lubricates the clutch group
the oil cooler,it lubricates the clutch group
and then returns to the oil tank through the filt
and then returns to the oil tank through the filt
er.
er.
When the selector valve is in neutral position,the circuit from the selector valve to the
When the selector valve is in neutral position,the circuit from the selector valve to the
clutch is closed.Therefore the fluid is joined with the torque converter filling fluid.
clutch is closed.Therefore the fluid is joined with the torque converter filling fluid.
When the selector spool is set to the forward or reverse position,fluid flows into the
When the selector spool is set to the forward or reverse position,fluid flows into the
accumulator due to action of modulate valve,so that pressure rises gradually,During this
accumulator due to action of modulate valve,so that pressure rises gradually,During this
time the clutch starts to engage.
time the clutch starts to engage.
When the accumulator is filled with
When the accumulator is filled with
fluid,hydraulic preesure rises intensively so that
fluid,hydraulic preesure rises intensively so that
the hydraulic clutch is completely engaged.
the hydraulic clutch is completely engaged.
While the forward or reverse clutch is operating,another clutch is rotating between
While the forward or reverse clutch is operating,another clutch is rotating between
the sintered plates and the steel plates.Therefore this part is lubricated with
the sintered plates and the steel plates.Therefore this part is lubricated with
oil sent from
oil sent from
the oil cooler to prevent seizure of plates.
the oil cooler to prevent seizure of plates.
When the brake pedal is depressed and the inching valve is actuated,most of
When the brake pedal is depressed and the inching valve is actuated,most of
Tor-con relief valve
Tor-con relief valve
Tor-con
Tor-con
Oil
Oil
cooler
cooler
Filter
Filter
Lubrication
Lubrication
Accumulator
Accumulator
Main relief valve
Main relief valve
Oil pump
Oil pump
Strainer
Strainer
Inching vlave
Inching vlave
Selector
Selector
spool
spool
-50-
-50-
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