5800 Refrigerated Sampler Service Guide - Isco

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5800 Refrigerated Sampler Service Guide Section 2 Sample Delivery System Gasket Base Cover plate Distributor shaft Timing belt Disk spacer Index disk Figure 2-27 Distributor assembly, exploded view 2.8 Rebuilding the Distributor This section details the replacement steps for each of the distributor components. 2.8.1 Gasket Replace the gasket using the following steps, as shown in Figure 2-28. 1. Always begin by pressing it into one corner of the base. 2. Pull the gasket taut, then press the gasket down into the opposite corner. This prevents the gasket from being unevenly distributed in the groove, ensuring the integrity of the seal. 3. Press the other corners in, followed by the rest of the gasket. 2-22
5800 Refrigerated Sampler Service Guide Section 2 Sample Delivery System 1. 3. 2. Figure 2-28 Distributor gasket replacement Note Installing the gasket without following these steps will result in uneven distribution of the gasket, as shown in Figure 2-18. This will result in moisture/liquids entering the motor housing, leading in turn to internal damage to the pump module. 2.8.2 Distributor Shaft To assemble the distributor shaft, refer to Figure 2-29 and do the following: 1. Place the disk spacer on the bottom side (shaft side) of the shaft gear, aligning the four pairs of holes. 2. Position the index disk so that the notch in the disk is visible and aligned with the notch in the distributor shaft. Replace the four screws. 3. Reinstall the distributor shaft in the brass bearing in the base. 2-23
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5800 Refrigerated Sampler Service Guide - Isco

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