True Fitness 500U Service Manual page 100

Removal & Replacement
Remove Crank Hub Assembly (continued)
Step 7.
Use hammer and punch to loosen
spanner nut on bearing.
Note:
The spanner nut has right-
handed threads. Turn
counter-clockwise to loosen.
Step 8.
Remove bearing & washer by
slipping off crank.
Note:
Pulley and crank are a welded
assembly (cannot be separated).
Step 9.
Pull crank thru pulley to remove..
Page 98
Copyright 2001 True Fitness Technology, Inc
Step 7. Drive Spanner Nut Off to Remove Bearing
Step 8. Remove Bearing & Washer
Step 9. Pull Crank Thru Pulley to Remove
600R