IAI ROBO Cylinder RCS4-WRA12C Instruction Manual page 194

4.6 How to Replace Components
[Motor Reversing Type: WRA16R
When Replacing Motor Equipped with Pulley]
1) Detach the pulley cover affixing screws and take off the pulley cover.
Pulley Cover
Pulley Cover Affixing Screw
2) Detach the end cover affixing screws and take off the end cover and motor cover.
End Cover
End Cover Affixing Screw
Motor Cover
4-29