Lubrication, Steering system – Spicer Steer Axles Application Guidelines User Manual
Page 32
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AXAG400 – February 2007
Lubrication
Proper lubrication practices are important in maximizing the service life of your steer axle assembly.
•
Kingpins, Thrust Bearings and Tie Rod Ends.
•
On-Highway Applications – Standard
Pressure lubricate every 6 months or 25,000 miles (40,000 km).
•
On-Highway Applications – LMS
Pressure lubricate every 1 year or 100,000 miles (160,000 km). A more frequent
lubrication cycle is required for axles used in on/off highway, refuse, or other severe
service applications.
Steering System
The following shows a typical truck steering system from - the input from the driver through the steering
wheel - to the output at the tires contacting the ground.
(courtesy of TRW Automotive – Commercial Steering Systems)