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20. Install Delrin bumper for sliding stop in threaded hole under end of outer link with 4-40 X 3/8
Steel Socket Head Cap Screw and Loctite 222.
21. Add slider for pneumatic or vacuum gripper to top of gripper and attach gripper to J4 output
pulley by tightening 6 M2 SHCS after threading wires and hoses from gripper thru pulley. Make
sure dowel pin in J4 pulley fits into notch in gripper to orient gripper. Be very careful not to pinch
any wire between gripper and pulley.
22. Thread wires and hoses through white plastic bushing and install bushing into pulley with 3 M3
BHCS.