IAI America ERC2 - Manual (Page 123)

8. Maintenance and Inspection
104
x Installation
[1] Place the coupling spacer in the coupling hub.
[2] Insert the motor unit into the rear bracket while paying attention to the phase of the coupling hub with respect
to the coupling spacer. (When inserting the motor unit, exercise due caution to prevent pinching of parts.)
[3] Insert the coupling bolt into the fitting hole in the motor unit from over the rear bracket, and tighten the bolt
using a wrench with 3 mm width across flats.
Coupling bolt
Coupling spacer
Coupling spacer
Coupling hub
Coupling hub
Motor unit