Taylor TX180S, Maintenance Manual

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9-1 9-1 TX / TXH / TXB 180S - 400L (Rev. 4/23/07) TX / TXH / TXB 180S - 400L (Rev. 4/23/07)
DRAIN PLUG DRAIN PLUG
OIL OIL
DIPSTICK DIPSTICK
OIL SUMP OIL SUMP
SCREEN SCREEN
MAIN / STEERING MAIN / STEERING
PUMP PUMP
CONTROL CONTROL
VALVE VALVE
Illustration Illustration 9-1. 9-1. TC-32 TC-32 Transmis Transmis sion sion
Introduction. Introduction. The TC-32 transmission is a pow- The TC-32 transmission is a pow-
ershift transmission which provides three speeds ershift transmission which provides three speeds
forward and forward and three speeds three speeds reverse. reverse. Both direction Both direction
and speed range are controlled by a roll shift and speed range are controlled by a roll shift
mechanism attached to the steering column. mechanism attached to the steering column.
Operation. Operation. With the engine running, the trans- With the engine running, the trans-
mission’s converter charging pump draws trans- mission’s converter charging pump draws trans-
mission oil from the transmission sump through mission oil from the transmission sump through
the oil sump screen and directs it through the the oil sump screen and directs it through the
pressure regulating valve and pressure regulating valve and oil filter oil filter . . The pres- The pres-
sure regulating valve maintains pressure to the sure regulating valve maintains pressure to the
transmission control valve for actuating the direc- transmission control valve for actuating the direc-
tion and s tion and s peed clutches. peed clutches. This requires This requires only a only a
small amount small amount of transmission of transmission oil. oil. The remaining The remaining
oil is directed through the torque converter circuit oil is directed through the torque converter circuit
to the transmission oil cooler and returns to the to the transmission oil cooler and returns to the
transmission transmission for positive for positive lubrication. lubrication. After enter- After enter-
ing the converter housing, the oil is directed ing the converter housing, the oil is directed
through the stator support to the converter blade through the stator support to the converter blade
cavity and exits in the passage between the tur- cavity and exits in the passage between the tur-
bine shaft bine shaft and converter and converter support. support. The oil then The oil then
flows out of t flows out of t he converter to the oil he converter to the oil cooler cooler . . After After
leaving the cooler, the oil is directed back to the leaving the cooler, the oil is directed back to the
transmission. transmission.
The torque converter turbine receives oil at its The torque converter turbine receives oil at its
center. center. The reaction member The reaction member of the torque of the torque con- con-
verter takes the oil which is exhausting from the verter takes the oil which is exhausting from the
inner portion of the turbine and changes its direc- inner portion of the turbine and changes its direc-
tion to allow correct entry for recirculation into the tion to allow correct entry for recirculation into the
and are connected to the output shaft of the con- and are connected to the output shaft of the con-
verter either verter either by direct gearing by direct gearing or drive shaft. or drive shaft. The The
purpose of the directional or speed clutches is to purpose of the directional or speed clutches is to
direct the power flow through the gear train to pro- direct the power flow through the gear train to pro-
vide the vide the desired speed desired speed range. range. Refer to Refer to Section Section
9C 9C for electrical operation of the transmission con- for electrical operation of the transmission con-
trol valve. trol valve.
T T ransmission Oil Level ransmission Oil Level Check Check (Illustration 9-1) (Illustration 9-1) . .
The oil level of the transmission should be The oil level of the transmission should be
checked daily, with the oil at normal operating checked daily, with the oil at normal operating
temperature [180 to 200 temperature [180 to 200
 
F+ (82 to 93 F+ (82 to 93
 
C+)] and C+)] and
the engine operating the engine operating at low idle. at low idle. The oil level The oil level
should be up to the FULL mark on the dipstick. should be up to the FULL mark on the dipstick.
The dipstick is located inside the engine hood, on The dipstick is located inside the engine hood, on
the engine’s right side. the engine’s right side.
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