QDR
4500 Technical Manual
5-12
Linear Encoder
(old style)
Pedestal Power Plug
Pedestal (covers removed)
TZ Motor (not visible)
String Encoder
(new style, right side,
left side not shown)
Figure 5-5. Table Z FRUs
6.
Push in the Emergency Stop switch.
7.
On the TZ Motor Controller board, set the Normal/Service switch to Service, and set
the Direction switch to Down.
8.
Press the left and right switches together, until the table just rests on the 2 x 4s.
9.
Remove the top bolts on the pedestal (9/16”). The cosmetic bracket will come off.
Note:
If removing the left pedestal, the left T-rail will become loose. Be careful not to drop this
T-rail.
10.
Press the appropriate pedestal switch, on the TZ Motor Controller board, to lower the
pedestal completely.
11.
Remove the pedestal power plug, the lower four pedestal bolts, and remove the pedestal.
12.
Remove the end plates from the old pedestal and install on the new pedestal being
careful to maintain their orientation (6mm Allen screws). Apply a small amount of
Loctite when installing the screws.
13.
Replace the pedestal and install the pedestal lower bolts but leave them loose for now.
14.
Replace the power plug.
15.
On the TZ Motor Controller board, set the Direction switch to Up.
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