Bacharach Monoxor II, Комбинированное руководство по обслуживанию

Страница: 11 / 20

Single Gas Instrument Service Manual
Instruction 0019-9166 Bacharach, Inc.
Page 11
2.6 Chamber Assembly Servicing
To disassemble the chamber assembly, proceed as follows:
Equipment Needed (Refer to Section “5.0 Replacement Parts” for Part
Nos.):
• Screwdriver, Phillips head, No. 1
• Screwdriver, 1/8" fl at-blade
• Allen Wrench, .05 in.
• Replacement pump parts, as required
Procedure:
1. Open the case as described in Section “2.1 Opening the Case.”
2. Using a fl at-blade screwdriver, remove the three screws and nuts that secure
the Sensor to the chamber assembly; DO NOT remove the sensor wires.
Then remove the Sensor along with its O-ring and Membrane from the
chamber assembly.
3. Using a No. 1 Phillips-head screwdriver, disassemble the Chamber from the
Motor 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 Motor
Assembly.
b. Install a new Motor Assembly and connect the motor connector to the
circuit board.
NOTE: A newly installed Motor must be broken in by running it
for at least 30 minutes. A Motor not broken in may cause erratic
display readings.
6. Reassemble the chamber assembly with any replacement parts using Section
2.3, 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.”