REPAIR FAN DRIVE (M548A1) Continued
Use auxiliary holes in bearing collars to turn collars. Using socket head screw key in setscrew to
rotate collars will damage setscrew.
Install two collars (8) on drive shaft (9) and position collars on bearing (10) and bearing (11). Rotate two collars
clockwise on bearing until eccentric cams on collars jam tightly against shaft.
Tighten two setscrews (12) on collars (8).
10. Install drive shaft key (13) and pulley (14) on front end of drive shaft (9) flush with end of shaft, and tighten retaining
screw (15) and nut (16).