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4-5-7.
DIF Fan
Preparation
1.
Refer to
"4-2. Flow
Chart".
Note
• Do not push strong force to the coaxial cable. The coaxial cable may be damaged.
• When installing the DIF fans, confirm that coaxial cable connectors are firmly connected to BNC connectors and
each board at 16 locations.
DC Fan (50 Square, Sirocco) for DIF-261 Board
Procedure
1.
Release the four coaxial cables from the two wire saddles.
2.
Disconnect the fan harness from the connector (CN1600) on the DIF-261 board.
3.
Remove the two screws to detach the DC fan (50 square, sirocco).
DC fan
(50 square, sirocco)
Fan harness
DIF-261 board
CN1600
Note
Install the DC fan (50 square, sirocco) as follows.
• Pay attention to the orientation of the DC fan (50 square, sirocco).
• Pull the excess length of the fan harness in the direction of the arrow.
• Clamp the fan harness with the wire holder so that the height of the fan harness surrounded by the broken
line is lower than the upper surface of the DC fan (50 square, sirocco).
4.
Install the removed parts by reversing the steps of removal.
PWS-4500
PSW2 x 6
PSW2 x 6
Wire holder
Fan harness
Wire holder
4-18
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