AIR FILTER REPLACEMENT
^
CAUTION
^
t
CAUTION
j
To retain the instrument safety features, periodically perform the
follow¬
ing
procedure.
The
air
filter
(HP Part Number 08340-00018 for
a
package
of
10),
attached to
the
rear panel
cooling fan
assembly requires periodic replacement. The
time between
filter
replacements varies because of the
variety of environmental conditions
in
which they operate. These
filters are inexpensive, and
cannot
be cleaned. Replace as follows:
1.
Disconnect the
line
power
cord.
2.
Remove four screws
holding the air filter housing to the
rear panel.
3.
Replace the
filter and
reassembly.
A-52
Assembly-Level Service
After
Safety
Checks
HP 8340B/41B