GE Brivo OEC 715 Service Manual page 480

11. Draw out the linear actuator from the bottom.
The actuator is assembled by two cross shafts (Upper shaft and Lower Shaft). To install a
new actuator, insure that the length of new actuator is same as the replaced one.
12. Replace a new linear actuator and reassemble the parts. Plug the wire into the connector. And then
insert the connector to J4 of the up down drive board.
13. Insert the upper shaft with M4 screw into the hole and check if the shaft is in the axis of the linear
actuator. Remove the M4 screw and reattach the cap on the hole. Lock the lower shaft on the bottom
of the linear actuator and put the cover back on.
14. Return the base assembly back to its upright position and reassemble all the components.
15. Connect the interconnect cable and power on the system. Press the up and down key on control panel
and verify that the C-Arm can rise and drop freely.
Replacement
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