332P330 Rev2
(3325 Service Manual)
Page 2 of 2
Note: Use caution when separating the top
and bottom covers to avoid damaging
the display and keypad cable connec-
tions.
5. Return the instrument to its upright posi-
tion and carefully rotate the rear of the
cover up and away from the bottom cover
while keeping the front portion close to
the bottom cover (D).
6. Unplug the keypad cable (E) and the dis-
play cable (F) from the connectors on the
circuit board assembly, and remove the
instrument cover.
7. Disconnect the fan from the sample han-
dling assembly wiring harness (G).
8. Remove the two screws (H) securing the
fan and bracket assembly. Disassemble
the fan from the bracket (two screws).
9. Assemble the new fan to the bracket (two
screws). Make sure that the airflow arrow
is pointing upward and the fan wires are
oriented toward the rear corner of the
bracket.
10. Reinstall the fan assembly into the sample
handling assembly bracket, making sure
that the fan wires are not pinched between
the fan bracket and the sample handling
assembly bracket.
11. Reassemble the instrument by reversing
steps 1 - 7, noting the proper pin 1 orien-
tations for all cable assemblies and their
connectors.
H
G
E
F
D
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