Greasing the Drive Axle S-cam Tube
49X mm 42.07.003
      - Park the vehicle on a level surface, shut down the engine, and set the parking brake.
 - Chock the front tires.
 - Chock one drive tire.
 - Cage the drive tire park-brake chamber opposite of the tire that is chocked.
 - Grease the S-cam tube on the caged park-brake chamber side only.
 - Uncage the park-brake chamber.
 - Move the drive tire chock to the other side of the axle and chock the other set of tires.
 - Cage the drive-tire park-brake chamber opposite of the tire that is chocked.
 - Grease the S-cam tube on the caged brake side only.
 - Uncage the park-brake chamber.
 - If equipped with more than one drive-axle, repeat this process for the remaining drive-axle.
 
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