Aligner Block Bearing Change

Get the tools required for the job

Install small bearing puller mandrel and slide hammer briskly to remove inner part of bearing

Clean bearing rollers debris

Install large puller mandrel using 3/4” wrench

Remove remaining bearing race

Install block for bearing press using main blade 9/16” bolt

Ensure that bearing press is square with new bearing

Use a .050” spacer to prevent the bearing from going flush to the aligner block Use a 11/16” wrench to rotate Acme threaded rod to press in bearing.

When finished the the bearing should protrude .050” from block face. Re tooling and lubricate bearing with appropriate red wheel bearing grease.