TX / TXH / TXB 180S - 400L (Rev. 4/23/07)TX / TXH / TXB 180S - 400L (Rev. 4/23/07)
14-214-2
Death or serious injury couldDeath or serious injury could
result from result from a runaway truck. a runaway truck. Park the truck Park the truck onon
a hard, level surface, apply the parking brake,a hard, level surface, apply the parking brake,
block the wheels in both directions to preventblock the wheels in both directions to prevent
movement of the truck and Lock Omovement of the truck and Lock Out & Tag Outut & Tag Out
the truck before servicing the drive axle.the truck before servicing the drive axle.
Dispose of used oil in accor-Dispose of used oil in accor-
dance with federal and local regulations.dance with federal and local regulations.
HousingsHousings (Illustrations 14-1 and 14-2)(Illustrations 14-1 and 14-2).. TheThe
brake housings should be drained after the firstbrake housings should be drained after the first
month or month or 200 - 250 200 - 250 hours of hours of operation, whicheveroperation, whichever
comes first, and when the hydraulic fluid iscomes first, and when the hydraulic fluid is
changed (refer tochanged (refer to Changing The Hydraulic FluidChanging The Hydraulic Fluid
inin Section 22Section 22). ). Perform Perform the the following following proceduresprocedures
to change the hydraulic fluid from the braketo change the hydraulic fluid from the brake
housing:housing:
Death or serious injury couldDeath or serious injury could
result from result from a runaway truck. a runaway truck. Park the truck Park the truck onon
a hard, level surface, apply the parking brake,a hard, level surface, apply the parking brake,
block the wheels in both directions to preventblock the wheels in both directions to prevent
movement of the truck amovement of the truck and Lock Out & Tag Outnd Lock Out & Tag Out
the truck before servicing the drive axle.the truck before servicing the drive axle.
Dispose of used hydraulicDispose of used hydraulic
fluid in accordance with federal and local regu-fluid in accordance with federal and local regu-
lations.lations.
1.1. ParPark the tk the trucruck on a hak on a hard, lrd, leveevel surl surfacface, ble, blockock
the wheels in both directions, apply thethe wheels in both directions, apply the
parking brake and Lock Out & Tag Out theparking brake and Lock Out & Tag Out the
truck.truck.
Allow the wheel end brakes toAllow the wheel end brakes to
cool to ambient temperature (cool to the cool to ambient temperature (cool to the touch)touch)
before drainibefore draining brake ng brake cooling flcooling fluid. uid. WearWear
protective gloves. protective gloves. Failure to Failure to do so do so may resultmay result
in personal injury from heated brake coolingin personal injury from heated brake cooling
fluid.fluid.
2.2. ProProvidvide a suite a suitablable conte containainer to caer to catch dtch drainraineded
hydraulic fluid.hydraulic fluid.
3.3. RemRemove tove the brhe brake cake coolooling hing hoseoses frs from thom thee
brake housing and quickly cap hoses.brake housing and quickly cap hoses.
4.4. RemRemove tove the brahe brake coke coolioling drang drain pluin plug frog from them the
hub.hub.
5.5. CleClean than the draie drain plug an plug and appnd apply sily siliclicone seone sealaalantnt
to the to the threads of threads of the plug. the plug. Re-install plug Re-install plug andand
tighten to 25-35 ft-lbs (34-47 Ntighten to 25-35 ft-lbs (34-47 N⋅⋅m).m).
6.6. Re-Re-conconnecnect the bt the brakrake cooe coolinling hosg hoses to tes to thehe
brake housing.brake housing.
7.7. RepRepeat preat proceocedurdures 1. thes 1. thru 6. foru 6. for the opr the oppospositeite
brake housing.brake housing.
8.8. RemRemove tove the vehe vent plnt plug in ug in the tthe top of op of the bthe brakrakee
housing and the plug from the unused brakehousing and the plug from the unused brake
cooling output port of both brake housings.cooling output port of both brake housings.
When the housing is filled the vent plug portWhen the housing is filled the vent plug port
low, add fluid until fluid level is at the FULLlow, add fluid until fluid level is at the FULL
mark on the dipstick of the hydraulic tank.mark on the dipstick of the hydraulic tank.
12.12. Bleed the brakes and Bleed the brakes and check for correccheck for correct braket brake
operation (refer tooperation (refer to Wet Disc Brake BleedingWet Disc Brake Bleeding
inin Section 15Section 15).).
Oil CapacitiesOil Capacities
TX180S-360L,TX180S-300L,TX180S-360L,TX180S-300L,
TXH300L,TXH350L (PRC-785):TXH300L,TXH350L (PRC-785):
DifferentialDifferential
Planetary Hub (each)Planetary Hub (each)
20 Quarts 20 Quarts
(18.9 Liters) (18.9 Liters)
2 Quarts 2 Quarts
(1.9 Liters) (1.9 Liters)
TXH400L (PRC-1756):TXH400L (PRC-1756):
DifferentialDifferential
Planetary Hub (each)Planetary Hub (each)
22 Quarts 22 Quarts
(20.8 Liters) (20.8 Liters)
7 7 QuartsQuarts
(6.6 Liters) (6.6 Liters)
Mounting Bolts.Mounting Bolts. The drive The drive axle maxle mounting boltsounting bolts
should be inspected periodically (refer to theshould be inspected periodically (refer to the
Preventive MaintenancePreventive Maintenancechart in thechart in the Appen-Appen-
dicesdices for drive axle mounting bolts inspectionfor drive axle mounting bolts inspection
intinterverval). al). If therIf there is any ee is any evidencvidence of three of threading orading or
movement of the drive axle, then loosen the lock-movement of the drive axle, then loosen the lock-
nuts, clean threads, apply Loctitenuts, clean threads, apply Loctite
to threads andto threads and
torque the locknuts on the mounting bolts to 700torque the locknuts on the mounting bolts to 700
ft-lbs (950 Nft-lbs (950 N⋅⋅m).m).
Additional Drive Axle Servicing.Additional Drive Axle Servicing. Should Should moremore
detailed service of the drive axle components bedetailed service of the drive axle components be
required, refer to the manufacturers drive axlerequired, refer to the manufacturers drive axle
maintenance manual.maintenance manual.
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