Teledyne 320 Series - Portable oxygen detectors - Manual (Page 14)

Teledyne Analytical Instruments
3-2
Model 320 Series Chapter 3
3.2.3 3.2.3 3.2.3 3.2.3 3.2.3 Pump Removal/Installation Pump Removal/Installation Pump Removal/Installation Pump Removal/Installation Pump Removal/Installation
Removal Removal Removal Removal Removal
1. Loosen the cover plate mounting screws and remove the instrument
coverplate.
2. Disconnect the pump motor wires from the circuit terminals.
3. Tag the pump inlet and outlet tubings and then disconnect both from
the pump assembly.
4. Loosen and remove the four screws securing the pump assembly to
the instrument chassis and remove the pump.
Installation Installation Installation Installation Installation
1. With the instrument cover plate removed, set the pump assembly in
place.
2. Insert and tighten the four screws to secure the pump assembly to
the instrument chassis.
3. Connect the tagged pump inlet and outlet tubings to the pump
assembly.
4. Connect the pump motor wires to the circuit terminals.
5. Replace the instrument cover plate and then insert and tighten the
cover plate mounting screws.