HP 8481A - Page 23

HP 8481A/82A/83A
08481-90049
connector AlMPl comes assembled, so A1MP2 and MP3 are
unnecessary.)
Set up the necessary equipment for your SWR test. See table 4 in
this manual for system specifications.
Remove the bulkhead assembly from the Power Sensor. See the
disassembly procedure near the end of this manual.
Using a 5/8 in (16mm) wrench remove the cap nut and disassemble
the bulkhead. Save the cap nut AlMPll, and polyiron
slug
A1MP12. Discard the old parts.
Build the RF Connector Assembly AlMPl, MP2, and MP3.
If you
have an HP 8481A Option 001, ignore this step,
a. Slip the C-ring into the groove on the RF connector
body
(A1MP3).
b. Place the nut face down (knurled end up) on a flat surface,
c. While squeezing the C-ring with a long nose pliers, slide the
connector body into the nut until the ring snaps into place.
2.
3.
4.
5.
Figure 6. P/0 A1 Bulkhead Assembly
6. Build the Center Pin Assembly A1MP4, 5, 6, 7, 8, and 9.
a. Insert the threaded end of center contact A1MP4,
through the
insulator A1MP8.
19