Infratec™ 1241 Grain Analyzer
Service Manual 1001 5015 / Rev. 4 5:7
5.2.2 Replacement of Keyboard Overlay
(P/N 1001 4765 Gen. 2 / P/N 6004 4142 Gen. 3)
NOTE! Removing the keyboard overlay reduces the effectiveness
of the adhesive. We strongly recommend that you do not reuse
the keyboard overlay.
1. Remove the Keyboard Overlay.
Lift up a corner and slowly pull the overlay off. Use isopropyl alcohol to remove
any residual adhesive.
2. Grasp the tab and partially peel back the protective layer covering the overlay
from the left short side.
3. Hold the peeled-back portion of the protective layer out of the way as you
perform the next step.
4. Center the keyboard overlay on the chassis and carefully position the exposed
adhesive surface on the chassis.
Fig. 5:8
5. While the protective layer is still covering the rest of the overlay, verify that the
overlay is properly centered.
6. Slowly peel off the rest of the protective layer, while using a soft cloth to press
the keyboard overlay on the screen. Make sure that the overlay lies flat with no
bubbles or warps.
7. With a soft cloth or the flat surface of a fingernail, press around the edges of the
overlay to completely seal it, and remove any air bubbles trapped in the
adhesive.
8. Connect the P1 cable to the DSP Board.
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