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280
80-160
Maintenance
Drive Shaft Maintenance
Rotating shafts can be dangerous. You can snag clothes, skin, hair, hands, etc. This
can cause serious injury or death. Do not work on a shaft (with or without a guard)
when the engine is running.
UNIVERSAL JOINTS
To insure proper lubrication of the bearing assemblies, it is essential to add lubricant until it appears at
all journal cross bearing seals (1). This assures removal of dirt particles and other contaminants that may
find their way into the bearings and indicates to the mechanic that the bearings are fully lubricated.
Do not assume that bearing cavities have been filled with new lubricant unless flow is
noticed around all four bearing seals! (1).
If all the seals do not “pop” when being lubed, move the drive shaft laterally in all four directions and pull
or push on the drive shaft in the direction opposite to the journal cross seal not relieving while lube gun
pressure is being applied to the alemite fitting.
It is recommended that all universal joints be relubed after installation of the drive shaft prior to putting
a vehicle in service.
JOURNAL AND BEARING KITS
It is necessary to completely lubricate each replacement kit prior to assembly into the drive shaft yokes.
Each journal cross lube reservoir should be fully packed with a recommended grease and each bearing
assembly should also be wiped with the same grease; filling all the cavities between the rollers and
applying a liberal grease coating on the bottom of each race. After the kits are installed into the drive
shaft yokes and prior to placing into service, they should be relubed, through the zerks, using the same
grease.