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Model 5344S
Installation
NOTE
This change is not required on counters received as part of a
5344S system or on counters with serial numbers higher than
those listed in paragraph 2-24. Refer to Figure 2-4 for IF OUT
modification part numbers for required parts.
1.
Remove all power from the 5342A/5343A counter.
2.
Remove all four feet from the counters bottom cover.
3.
Remove the top cover by removing the screw in the rear strap cap (securing the rear of the
strap handle). Remove the cap and then slide the top cover toward the rear until it can be
freely removed.
4.
Using a large Pozidriv screwdriver rotate the screw located in the rear of the bottom cover
counter-clockwise. As the screw is rotated, the cover will begin to slide backwards away
from the instrument. Grasp the cover and assist its movement until it can be freely removed.
The screw will remain attached to the rear cover.
5.
Using a large Pozidriv screwdriver, remove the four screws securing the rear frame casting
to the main frame struts.
6.
Separate the rear frame casting, tilting the top forward to allow access to the IF OUT BNC
connector )4.
7.
Unsolderthe IF OUT shielded cable from J4. Disconnecttheoppositeendofthecablefrom
A27J2 located at the front of the instrument. Cut the three grey tie-wraps securing the cable
bundle. Remove the cable.
8.
Replace the IF OUT cable with the new cable supplied (05344-60114). Connect the new
cable to A27J2 and route it to the rear panel just as the original cable. Resecure the cable
bundle with the three supplied tie-wraps (1400-0249).
9.
Remove the rear panel IF OUT BNC and replace it with the supplied BNC. Secure the BNC
firmly.
10. Slide the brass barrel (1', nylon spacer (2), and a brass sleeve (3), onto the IF OUT shielded
cable as shown in Figure 2-4.
1
2
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i hwu
n
IF OUT Cahle Assemhlv: 05344-60114
Tie-wrap: 1400-0249
Figure 2-4. IF OUT Modification
11.
Insert the exposed wire into the center conductor of the BNC. While holding the cable in
position, thread the BNC barrel onto the BNC. Pulling the rear panel back should provide
enough room to thread the barrel.
12.
Tighten the barrel firmly.
13.
Re-assembie the counter by performing steps 2 through 6 in reverse order.
14.
This completes the modification.
2-6
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