Front-Panel Display Removal; Figure 9-12: Display Assembly Area - Ectron 1140A Instruction Manual

Thermocouple simulator-calibrator
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7.
Insert the 3/32" pin provided in the binding post kit through the cross-drilled hole in
the upper binding post. Ensure that the cross-drilled hole is in a horizontal position.
8.
While maintaining this horizontal position with the 3/32" pin, tighten the nut on the
rear of the binding post with a 3/8" socket to 12 in-lb torque.
9.
Repeat the previous step for each of the other two binding posts.
10.
Install a second nut on the rear of each binding post as a locknut. Use a 3/8" jam-nut
wrench to hold the first nut while tightening the second nut with a 3/8" socket.
Tighten to 12 in-lb torque.
11.
Install the binding post printed circuit board on the rear of the binding posts. Position
it such that the word ECTRON on the printed circuit board is readable from the rear
of the panel, and is located between the bottom two binding posts.
12.
While holding the binding post printed circuit board against the brass nuts, solder the
printed circuit board to the threads and nuts of each of the three binding posts. Use a
soldering iron with sufficient heat capacity to ensure a good solder connection
between the printed circuit board and the binding post studs and nuts.
13.
Follow Procedure
14.
Follow Procedure
15.
Follow Procedure
25

Front-panel Display Removal

1.
Follow Procedure
2.
Remove the display connector from the rear of the LCD display assembly. See
Figure 9-12.
3.
Remove the two nuts holding the top cover support bracket using a 5/16" socket. See
Figure 9-12.
4.
Remove the top cover support bracket.
5.
Unsolder the black and red twisted wires from the pads labeled A and K on the
keypad board. See Figure 9-5.
Top cover
support
bracket
Display
connector
22
for
Front-panel Assembly
14
for
Left Side Panel and Front-panel Bar
2
for
Top Cover
Installation.
1
for
Top Cover
Removal.
LCD display
assembly

Figure 9-12: Display Assembly Area

9-17
Maintenance and Repair
Installation.
Installation.

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