CHAPTER 3 MAINTENANCE PROCEDURES
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Adventurer ™ Balances Service Manual
8. Unsolder and remove the four wires
shown in Figure 3-50. The two wires
at the bottom connect to the light
source. They must be re-soldered as
pictured here: white on left, red on
right. The two wires on the top
connect to the Temperature Sensor.
Their positions are not important.
11. Remove the three screws holding the
Position Sensor Board in place.
(The two on the right have washers.
The one on the left doesn’t.)
Figure 3-50. Position Sensor Board.
12. Gently set the Position Sensor Board aside
– avoid putting stress on the 3-wire ribbon
cable, which is soldered to the Contact Board.
13. If the Ratio Beam is to be removed, unsolder the 3-wire ribbon cable from
the Contact Board. (See Figure 3-51.)
Figure 3-51. Contact Board with ribbon cable.
Figure 3-52. Fine wires connected to the
Contact Board, and affixed to Ratio Beam.
14. Carefully pry the Contact Board off
the Load Cell frame, and tape it to
the Beam.
Take care not to
stress or break the fine wires
connected to the Contact Board.
If they are broken, the Ratio Beam
must be replaced.
Note:
The fine wires are glued to
a post on the Ratio Beam. (See
Figure 3-53.) This same glue
Figure 3-53. Contact Board taped to Ratio
Beam after removal from frame.
provides insulation. If the wires are disconnected from the Ratio Beam, the insulation
may be damaged, causing a short circuit. If this happens, the Ratio Beam must be
replaced.
Screws holding
Position Sensor Board
Solder
points
Contact
Board
glued to
frame
Wires glued to post
on Ratio Beam
