5800 Refrigerated Sampler Service Guide - Isco

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5800 Refrigerated Sampler Service Guide Section 4 CPU and Power Supply Note These two connectors may be difficult to remove. Never pull the wires. You may need to ease them up from the board with a flat screwdriver. Use care not to damage the board. Ground wire W3 W4 +/- wires Figure 4-16 Line cord connections 4. Using the open-end wrench, unscrew the black plastic nut from the line cord bulkhead fitting and pull the old cord out through the hole in the mounting plate (Figure 4-17). Figure 4-17 Removing the line cord from the mounting plate 4-24
5800 Refrigerated Sampler Service Guide Section 4 CPU and Power Supply 4.6.2 Line Cord Replacement 1. Feed the new line cord through the front of the mounting plate and tighten the black plastic nut onto the bulkhead fitting until both are flush against the plate. (The bulkhead fitting has a rubber ring that seals the box and prevents the fitting from coming loose.) 2. Attach the ground wire to the mounting plate with the lock nut, and attach the blue and brown wires to their respective terminals (Figure 4-16). Note Before connecting, route these wires under those of the compressor cord, as shown in Figure 4-16, to prevent them from being caught under the edge of the protective cover. 3. Ensure that the gasket in the cover is evenly seated in its groove. Align the cover over the eight mounting holes and reattach it with the self-tapping torx screws. CAUTION When reinstalling all self-tapping screws, avoid destroying the plastic threads. First seat each screw in its hole and, without pressing down, rotate the screw counter-clockwise until it falls into its thread groove with a "click." Then tighten the screw. 4. Reinstall the power supply, following the instructions in Section 4.5.3. 5. Close the rear compartment (see Section 1.8 Closing the Rear Compartment). 4-25
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5800 Refrigerated Sampler Service Guide - Isco

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