5
pulling the tube downward away from the
existing baseboard.
3. Remove the screws securing the plastic GM
tube holder. (Fig 10)
4. Carefully remove the GM tubes by prying
them out of the connectors with a small flat
screwdriver.
Assembling the new UBB baseboard:
1. Remove the metal cover from the UBB by
removing the 3 screws and washers. Fig. 11.
2. Locate the 3 groups of jumpers on the UBB.
See Fig. 5.
3. The groups of jumpers are marked as “3411”
“3430” or “3440/ 3500” switches. To
configure the UBB for operation baseboard
of your choice, only the group of jumpers
for your selection of baseboard need to
remain shorted by means of the jumpers.
Carefully remove all jumpers of the
remaining 2 groups by cutting them with
wire cutters.
4. Locate the groups of jumpers marked S4 and
S6. Leave the jumpers marked 3500/3430.
Cut the jumpers marked 3411. Fig 12b
5. Looking down on the UBB with the jumpers
at the bottom section of the board, locate the
3 holes on the left side. Solder the GM
assembly header on the underside the board
at this location. The header should sit flush
on the board. Fig. 12.
6. Attach the small angle bracket to the new
metal base plate. Fig 13a &13b.
7. Secure the UBB to the base plate with the
appropriate screws. Use the provided flat
washers under the lock washers. Fig 14.
8. Carefully press the GM tubes into the
contacts on the GM tube interface board.
9. Slide the GM tubes into the GM tube holder
mounted on the metal base plate and attach
the GM tube interface board to the baseboard
mounted header. Fig. 15.
10. Secure the GM tube interface board with the
provided 4-40 screws and washers. Fig. 16.
Fig. 13a
Fig. 13b
Fig. 14
12b
To Next Page
Loading...
Need help?
General
