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5.4.4 Distributor Module
60-4704-029
Isco 4700 Refrigerated Sampler
Section
5
Maintenance
& &
WARNING
Risk of injury or equipment damage. Familiarize yourself
with the general instructions in section 5.4.1 before
proceeding.
1. Remove the mounting screws that secure the control panel
(see Figure 5-7).
2. Disconnect the two distributor
connectors, PI and P4 (see
Figure 5-8).
3. Remove the distributor
arm and discharge tube.
4. Remove the mounting screws (see Figure 5-9).
5. Pull the module away from the refrigerator
body. The wires
will slide out through the hole.
6. Clean the distributor
module's mounting surface inside the
refrigerated
compartment.
This will help ensure that the
gasket on the new module will seal the enclosure.
7. Feed the wires from the replacement
distributor
through
the hole to the control panel compartment.
8. Align the distributor
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).
9. Connect the connectors PI and P4 to the control panel.
10. Align the control panel module over the mounting holes
and secure it with the mounting screws. Torque screws 16
to 18 in/lbs.
11. Replace the distributor
arm and discharge tube.
12. Perform a distributor
diagnostic test (section 5.2.6).
Figure 5-9
Distributor module replacement
5-19
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