If you removed the pulley, put the rotor in the drive end housing, then tighten its locknut to 111 N·m (11.3 kgf·m, 81.7 lbf·ft).

Remove any grease or oil from the slip rings.

Push the brushes (A) in, then insert a pin or drill bit (B) (about 1.8 mm (0.77 in.) diameter) to hold them there.

Heat the rear bearing seat with a heat gun for about 5 minutes (50−60 °C, 129−140 °F).