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Maintenance and Service
Pump Assembly
Replacement
5-12
MIE ADR-1500 Instruction Manual
Use the following procedure to replace the pump
1. Turn the instrument OFF. Remove the AC plug from the bottom of
the instrument.
2. Unfasten the two captive hardware and swing cover down on the
power/com assembly.
3. Disconnect the battery cable from J6 or J8 from the power
communication board.
4. Disconnect the connector from the board "PUMP IN".
5. Take needle nose pliers and push down on fitting to release tubing
(vacuum port).
6. Take needle nose pliers and push down on fitting to release tubing
(pressure port).
7. Pull pump out from clip.
8. Remove tubing from pump and install onto new pump.
9. Make sure to find the "arrow" under the pump fitting. This is your
vacuum port. Install pump back onto clip.
10. Install the vacuum port tube "arrow from pump fitting" to the straight
fitting of the housing.
11. Install pressure tube to the elbow fitting on the housing.
12. Reconnect pump connector to "PUMP IN" to the board.
13. Install the new pump by following the previous steps in reverse order.
(Figure
5–4).
Thermo Fisher Scientific
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Troubleshooting
