TX / TXH / TXB 180S - 400L (Rev. 4/23/07)TX / TXH / TXB 180S - 400L (Rev. 4/23/07)
9-29-2
o o a o co ec e y o ec cu a o o eo o a o co ec e y o ec cu a o o e
impeller element.impeller element.
Illustration 9-2. Illustration 9-2. Transmission Transmission Control VControl Valvealve
Transmission Control ValveTransmission Control Valve(Illustration 9-2)(Illustration 9-2)..
The transmission control valve directs oil, underThe transmission control valve directs oil, under
pressure, to the desired directional and speedpressure, to the desired directional and speed
clutch. clutch. The directional The directional and speed and speed clutch assemclutch assem--
blies are mounted inside the transmission caseblies are mounted inside the transmission case
Illustration 9-3. Illustration 9-3. TransmissTransmission Oil ion Oil FilterFilter
TTransmission Oil ransmission Oil Filter ReplacementFilter Replacement (Illustra-(Illustra-
tion 9-3)tion 9-3).. The oil filter,The oil filter, located below the drivelocated below the drive
line spring brakeline spring brake, should be replaced periodically, should be replaced periodically
(refer to the(refer to the Preventive MaintenancePreventive Maintenancechart in thechart in the
AppendicesAppendicesfor oil filter replacement interval).for oil filter replacement interval).
The interval listed in theThe interval listed in the AppendicesAppendicesis based onis based on
normal environmental condition, excessive dustnormal environmental condition, excessive dust
may require a more frequent filter replacementmay require a more frequent filter replacement
interval. interval. Perform tPerform the following he following procedures toprocedures to
change the filter:change the filter:
Death or serious injury couldDeath or serious injury could
result from a rresult from a runaway truck. unaway truck. Park truck on Park truck on aa
hard, level surface, apply parking brake, blockhard, level surface, apply parking brake, block
wheels in both directions to prevent movementwheels in both directions to prevent movement
of truck and Lock Out & of truck and Lock Out & TTag Out truck beforeag Out truck before
servicing truck.servicing truck.
Dispose of transmission oilDispose of transmission oil
and filter in accordance with federal and localand filter in accordance with federal and local
regulations.regulations.
NOTE:NOTE: It is It is recommended that recommended that the filters the filters bebe
changed after 100 hours of operation on new andchanged after 100 hours of operation on new and
rebuilt or rebuilt or repaired transmissions.repaired transmissions.
1.1. MakMake certe certain fain filtilter is coer is cool to thol to the touce touch, theh, thenn
3.3. CleClean tan the oihe oil scl screereen thn thorooroughughlyly..
NOTE:NOTE: An accumulation An accumulation of sludge or of sludge or soft dirt soft dirt inin
the sump should be removed with flushing oil.the sump should be removed with flushing oil.
4.4. Use a neUse a new gasw gasket aket and re-nd re-insinstaltall the oil the oil screl screen.en.
Tighten the oil screen to 10-15 ft-lbs (14-20Tighten the oil screen to 10-15 ft-lbs (14-20
NN⋅⋅m).m).
55.. RReeffeer r ttoo TTransmission Oil ransmission Oil Filter Replace-Filter Replace-
mentment for procedures to change the filterfor procedures to change the filter
element.element.
6.6. ReRe-i-insnstatall tll the dhe drarain plin plugug..
77.. RReeffeer r ttoo Filling The TransmissionFilling The Transmission, located, located
below, for adding oil to the transmission.below, for adding oil to the transmission.
88 OpeOperatrate thee the engengine aine and chnd check feck for leor leaksaks
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