Bacharach DIOXOR II Combined Service Manual

Also see for Monoxor II: Product catalog Brochure Specification sheet Technical note Instruction

Contents

Bacharach DIOXOR II Combined Service Manual Manual pdf 11 page image

Single Gas Instrument Service ManualInstruction 0019-9166 Bacharach, Inc. Page 112.6 Chamber Assembly ServicingTo disassemble the chamber assembly, proceed as follows:Equipment Needed (Refer to Section “5.0 Replacement Parts” for PartNos.):• Screwdriver, Phillips head, No. 1• Screwdriver, 1/8" flat-blade• Allen Wrench, .05 in.• Replacement pump parts, as requiredProcedure:1. Open the case as described in Section “2.1 Opening the Case.”2. Using a flat-blade screwdriver, remove the three screws and nuts that securethe Sensor to the chamber assembly; DO NOT remove the sensor wires.Then remove the Sensor along with its O-ring and Membrane from thechamber assembly.3. Using a No. 1 Phillips-head screwdriver, disassemble the Chamber from theMotor Assembly (Fig 2-3).4. To remove the Fan Assembly, refer to Section 2.3, Step 4.5. If Motor replacement is required:a. Unplug the motor connector from the circuit board and discard the MotorAssembly.b. Install a new Motor Assembly and connect the motor connector to thecircuit board.NOTE: A newly installed Motor must be broken in by running itfor at least 30 minutes. A Motor not broken in may cause erraticdisplay readings.6. Reassemble the chamber assembly with any replacement parts using Section2.3, Step 7.7. Reinstall the Membrane, O-ring, and Sensor using Section 2.3, Step 8.8. Close the case as per Section “2.2 Closing the Case.”