4700 Refrigerated Sampler Service Guide
Section 4 CPU and Power Supply
4-12
To remove the control panel:
1. Open the top cover of the sampler.
2. Remove the mounting screws (see Figure 4-1).
3. Carefully lift the module away from the refrigerator body
to expose the wiring connectors.
4. Referring to Figure 4-2 on the following page, label the wir-
ing harnesses with the circuit board locations for ease of
reconnection to the new panel.
5. Disconnect the wiring harnesses from the old panel.
Figure 4-1 Control panel module removal/replacement
4.4.2 Control Panel
Installation
Clean the control panel module’s mounting surface on the face of
the refrigerated compartment. This will help ensure that the
gasket on the new module will seal the enclosure. Ensure that
the gasket seal is in place. The gasket surface must be smooth,
clean, and free of nicks or cracks. If any imperfections are visible,
replace the gasket (Isco part #60-3113-028).
Installation
1. Attach the wiring connectors to the new module.
2. Ensuring that no wires are caught between the module
and mounting surface, align the module over the mounting
holes.
3. Reinstall the control panel screws and tighten down uni-
formly and snugly (16 to 18 in/lbs).
4. Reconnect power and perform all diagnostic tests (refer to
the
4700 Installation and Operation Guide
, Section 5-2).
Содержание 4700
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Страница 124: ...4700 Refrigerated Sampler Service Guide Appendix A Electrical Diagrams A 2 ...
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