REPAIR FAN DRIVE (M548A1) Continued
Use either of the key slots on the double keyed end of the drive shaft. Keys must not extend
more than 3/8 inch (10 mm) beyond either side of pulley.
16. Install drive shaft key (2) and pulley (3) on end of drive shaft (4) flush end of shaft. Use straightedge to align pulley (3)
with pulley on transfer gearcase and tighten retaining screw (5) and nut (6).
17. Install rear fan drive belts (see your -20).