IAI America RCP4W - Manual (Page 81)

4. Maintenance Inspection
75
6) Tighten the four hex socket head cap screws to hold the cover on the side opposite to the motor (at
the circled places) with a hex wrench to attach the cover.
Tightening Torque : 88.7N•cm
Tool to use: Hex wrench 2.5mm-sized