IBM 4800-741 Hardware Service Guide - Page 57

Replacing, insulating, rubber, Models

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Updated July 14, 2008 4. Carefully remove the fan connector from the card. 5. Lift to remove. Figure 27. Location of alignment pen holes 6. To replace, align the fan with the two alignment holes (see A in Figure 27) on the housing. 7. Tighten the two screws to secure the fan. 8. Attach the connector to the planar board. Replacing the insulating rubber seal (Models 722, 742, and 782 only) Follow these steps to replace the insulating rubber seal located on the housing. 1. Follow the instructions in "Removing the covers" on page 29 to remove the front bezel and top cover. Chapter 2. Removal and replacement procedures 39

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4.
Carefully
remove
the
fan
connector
from
the
card.
5.
Lift
to
remove.
6.
To
replace,
align
the
fan
with
the
two
alignment
holes
(see
±A²
in
Figure
27)
on
the
housing.
7.
Tighten
the
two
screws
to
secure
the
fan.
8.
Attach
the
connector
to
the
planar
board.
Replacing
the
insulating
rubber
seal
(Models
722,
742,
and
782
only)
Follow
these
steps
to
replace
the
insulating
rubber
seal
located
on
the
housing.
1.
Follow
the
instructions
in
“Removing
the
covers”
on
page
29
to
remove
the
front
bezel
and
top
cover.
Figure
27.
Location
of
alignment
pen
holes
Updated
July
14,
2008
Chapter
2.
Removal
and
replacement
procedures
39