Section 5 - Remove & Replace
5-13
16.
Press the appropriate pedestal switch, on the TZ Motor Controller board, to raise the
pedestal carefully, until it just touches the T-rail.
17.
Install the cosmetic bracket and upper pedestal bolts, leaving the bolts loose for now.
18.
Using the switches on the TZ Motor Controller board, raise both pedestals and remove
the 2 x 4s and foam.
19.
Measure from the inside of one T-rail to the inside of the other. It must be 65 inches at
both the front and back. If it is not, move the pedestal until the measurements are
correct.
20.
Tighten the lower and upper pedestal bolts.
21.
On the TZ Motor Controller board, set the Direction switch to Down.
22.
Using the switches on the TZ Motor Controller board, lower both pedestals all the way
down.
23.
On the TZ Motor Controller board, set the Service switch to Normal, and press Reset
(large black button).
24.
Run SQDRIVER, type MOTOR$TZ <Enter>, then type CALIBRATE.
25.
Replace all covers.
Linear Potentiometer (Encoder- Obsolete)
To remove the linear encoder and replace with a rotary string encoder, refer to Figure 5-5 and
Figure 5-6 and follow the procedure below:
The Linear Rotary String (Encoder)
Installation
When replacing one of these encoders, make certain you have the correct part. The linear string
encoder kit is made up of two parts.
CAUTION:
When one encoder fails (either linear or string) you must replace both using the kit
listed below:
Description Part Number Contains Part Number
Linear Encoder Kit 010-1020 Right Encoder 030-2417
Left Encoder 030-2418
Refer to Figure 5-5 and Figure 5-6 and follow the procedure below:
1.
Remove the electronics tray covers.
2.
Move the table all the way up.
WARNING:
Turn off the QDR 4500 instrument power using the switch on the right side of the
power console.
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