Figure 7-2 Display/Keyboard Replacement; Table 7-14 Display/Keyboard Assembly Replacement Procedure - Honeywell UDC3300 Product Manual

7.8 Parts Replacement Procedures,
How to replace the
display/keyboard
assembly
1/01
Refer to Figure 7-2 and follow the procedure listed in Table 7-14.
Table 7-14 Display/Keyboard Assembly Replacement Procedure
Step
1 Remove the chassis from the case as shown in Figure 7-1.
2 Peel the rubber bezel and display window off the chassis assembly.
3 Separate the chassis frame at the four release points shown in Figure 7-2
and wiggle each printed wiring board out of its socket on the
display/keyboard assembly. Pull out slightly.
4
Insert a small flat-bladed screwdriver into each of the display/keyboard
release points (Figure 7-2) and pry out the board.
5 Install the new board, bottom end in first, and push in the top until it clicks
into place.
6 Reinstall the printed wiring boards into the rear of the display board
making sure that the boards click into their release points.
7
Replace the bezel and window assembly.
8
Reinstall chassis into case. Press in hard, then tighten the screw.
Figure 7-2 Display/Keyboard Replacement
Display keyboard
release points
UDC3300 Limit Controller Product Manual
Continued
Action
Pull printed
wiring boards
out slightly
Display/keyboard
Chassis assembly
Rubber bezel
and window
Printed wiring
boards
release points
22638
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