5800 Refrigerated Sampler Service Guide - Isco

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5800 Refrigerated Sampler Service Guide Section 1 Introduction and General Maintenance CAUTION Removing the sealed modules will expose the internal components. Wet or corrosive atmospheres may attack the exposed refrigerator components. Always service modules in a dry, corrosion-free environment. CAUTION Modules contain circuit boards and sensitive electronics that can be damaged by a discharge of static electricity. Avoid touching the internal components. Only handle the module by the edges or exterior surfaces. CAUTION Electrical connectors and wires can be damaged if improperly handled. Electrical connectors must only be handled by the connector body. Never grasp the wires or use tools to disconnect a connector. Never allow a module to hang by its wiring. CAUTION Earth ground bonding conductor. Do not remove or disconnect. If this conductor must be disconnected to remove a module, it must be reconnected when installing the replacement module. 1.6.4 Module Reassembly It may become necessary to service or replace module components. When rebuilding/reassembling a module, always observe the special instructions provided for each assembly, in order to preserve the life and integrity of each component. 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. This precaution is not necessary with new, unthreaded holes. 1-14
5800 Refrigerated Sampler Service Guide Section 1 Introduction and General Maintenance * Wait for click Figure 1-6 Self-tapping screws: reinstallation 1.7 Accessing the Rear Components 1. Unplug the line cord to remove AC power. WARNING Removing the refrigeration module exposes you to electrical and mechanical hazards. Always disconnect from AC power before exposing the refrigeration module. Only trained service personnel may access these areas. 2. Remove the cover brace, back cover, and insulation panel (Figure 1-7). Insulation panel Refrigeration module Back Cover Cover brace Figure 1-7 Remove back cover and insulation 3. Cut the cable tie from the power cord that runs through the refrigeration assembly (Figure 1-8). 1-15
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5800 Refrigerated Sampler Service Guide - Isco

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