900-00277-01-001 Rev A
85
Service
5. Remove the two fan plugs at the top of the carrier
board
F
. See
E
in Figure 48. If necessary, see
A
in
the Figure 43 inset.
6. Using a #2 Phillips screwdriver, remove the screws
G
at the top and bottom of the carrier board. See
Figure 48.
7. Push the board upward slightly to disengage the
keyhole fasteners. One of these fasteners is
indicated at
H
. All fasteners must be disengaged.
8. Remove the carrier board
F
. It may be necessary to
tilt the board to avoid obstacles.
9. Replace the carrier board. Perform all previous steps
in reverse order. When reinstalling washers, bolts,
and similar hardware, use the replacement hardware
included in the kit.
Replace the carrier board
I
. See Figure 48 for
all items.
Pull downward to engage the keyhole
fasteners
H
.
Replace the screws
G
.
Replace the fan plugs
E
.
Replace the common-mode choke
A
. See Figure
47 for all items.
Replace the lower bolts
C
while supporting
the choke by hand.
Do not replace the bus bar bolts
B
yet.
Replace the power modules. See page 82
if necessary.
Replace the bus bars and all bolts.
Replace the connector at
D
.
Replace the control board. See page 74
if necessary.
Replacement is complete.
Figure 48 Carrier Board
G
F
G
G
E
E
H
