5. Install the new RE-186 board and RE-187 board by reversing the steps of removal. m . When connecting the RE-186 board to the connector, confirm that the top of the board is firmly inserted in the notch on the outside of the DC-DC converter. . When connecting the RE-187 board to the connector, confirm that the protruded portion of the board is firmly inserted in the slot on the outside of the DC-DC converter.
Outside of the unit RE-187 board Protruded portion
Slot
RE-186 board
RE-187 board
Outside of the unit RE-186 board Notch
n When fixing the RE-187 board and RE-186 board with the RE retainer (2), confirm that these boards are firmly inserted into the groove of the RE retainer (2).
