Table of Contents
2-5. Replacing the Fan (HDC1400/1500/
1550/1580)
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If any fan fails, the inside temperature of the unit will rise.
Touching the inside in this state may cause a burn. Power
off the unit and leave the unit until the inside cools down
before replacing the fan.
2-5-1. DC Fan (Front)
When replacing, be sure to use the specified part.
DC Fan (Front: 41 square): ! 1-787-070-11
1. Remove the inside panel. (Refer to Section 1-4.)
2. Remove the front assembly. (Refer to Section 2-1.)
3. Loosen the two screws with stopper, and remove the
shoulder pad assembly.
4. Draw all the plug-in boards and the DC/DC converter
unit along the board rail grooves and remove them.
Screws with stopper
Shoulder pad assembly
HDC1000/V1(E)
DC-DC converter unit
VDA-63 board
DAP-33 board
AU-298 board
AT-163 board
5. Remove the three screws to detach the lower rail.
6. Disconnect the fan harness from the connector (CN4)
on the MB-1059 board.
7. Remove the cushion (FAN) from the DC fan.
Cushion
(FAN)
label side
DC fan
8. Install the front DC fan by reversing the steps above.
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Be careful of the orientation of the label side and the
harness when installing the DC fan.
MB-1059 board
CN4
BTP2.6 x 6
Lower rail
2-9
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