IAI America CT4 - Manual (Page 49)

4. Maintenance Inspection
43
3) Insert the motor together with the plate at the bottom of the motor, and temporarily tighten
the screws to hold the motor (at the circled places and 2 places on the bottom) with a hex
wrench.
Tighten the coupling tightening screw (at the circled places).
4) Tighten the four screws holding the motor (at the circled places and 2 places on the bottom).
Coupling
Tool to use: Hex Wrench 2.5mm-sized
Tightening Torque : 83N•cm
Tool to use: Hex Wrench 4mm-sized
Tool to use: Hex Wrench 4mm-sized
Tightening Torque : 342N•cm