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Isco 4700 Refrigerated Sampler
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5.4.2 Pump Module
60-4704-030
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WARNING
Risk of injury or equipment damage. Familiarize yourself
with the general instructions in section 5.4.1 before
proceeding.
1.
Refer to section
5.1.2
and remove the pump tube.
2. Remove the six mounting screws (see Figure 5-6).
3. Pull the module away from the refrigerator body to expose
the wiring connectors.
4. Disconnect the four wiring connectors.
5. Clean the pump module mounting surface on the refrigera-
tor body. This will help ensure that the gasket on the new
module will seal the enclosure.
6. Attach the wiring connectors from the new module.
7. Align the module over the mounting holes and secure it
with the mounting screws. Torque screws 1.8 to 2.0 Nm (16
to 18 in/lbs).
8. Replace the pump tube.
9. Perform a pump diagnostic test (section 5.2.5).
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Figure 5-6
Pump module replacement
5-16
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