IAI America ERC3 - Manual (Page 90)

Chapter 2 Installation
2.3 How to Install
80
• When Using Foot Brackets (Option)
When installing the unit with using the foot brackets, use the T slots as for the direct installation
and affix with hex socket head cap screws.
Actuator
Type
A B C D E
Recommended
attachment screw Tightening Torque [N•m]
RA4C 71 57 20 10 I6.6 through
hole
M6 5.36
RA6C 95 79 25 12 I9 through hole M8 11.48
Regarding attachment screws
• Use of high-tension bolts meeting at least ISO-10.9 is recommended.
• For the effective engagement length between the bolt and female thread, provide at least the
applicable value specified below:
Female thread is made of steel material ĺ Same length as the nominal diameter
Female thread is made of aluminum ĺ 1.8 times of nominal diameter
Caution: Pay attention when selecting screws. If a bolt out of the instruction is used, it may
cause damage on tapped holes or unexpected accident or failure due to insufficient
strength on the actuator attachment.
C
D E
A B