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SECTION B – Installing the UBB in a 3430 or 3440 Gauge:
NOTE: In addition to the UBB, the UBB Base Board Kit, part
#1520103, is required to replace baseboards in Troxler Model 3430 and
3440 gauges.
The Base Board Kit Includes:
1. Metal base plate assembly (1)
2. GM tube interface circuit board (1)
3. 4-40 screws (4 each)
4. 6-32 x .500 (6 each)
5. 6-32 x .375 (3 each)
6. Interface board header (1)
7. # 4 lock washer (4 each)
8. # 6 lock washer (9 each)
9. metal cover box
Installing the UBB in a 3430 or 3440 gauge:
Use the following parts from the existing 3430/3440
gauge along with your new UBB and Base Board
kit to complete this task.
1. GM tubes (2)
2. GM tube holder and screws(1)
3. He3 tube (1)
4. Curved He3 tube support and screw
5. Screws and washers that attach circuit
board to metal plate.
6.
Screws and washers that attach baseboard
assembly to gauge.
7.
Small angle bracket at GM tube end.
Disassembling the existing baseboard:
1. Turn off the gauge, place the gauge on a
standard block, remove the top shell,
disconnect the batteries, discharge the high
voltage and remove the existing baseboard/
base plate assembly.
2. Remove the He3 tube from the existing
baseboard by removing the metal bracket and
Fig. 10
Fig. 12
Fig. 11
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