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3. Locate the Stepper Motor and locate the setscrews that hold the universal
4. With all the interconnecting wiring and tubing still attached, remove the
All of the components are now accessible for maintenance or replacement.
Motor Driver Top
PCB Top
Analog
MCU Top
Figure 4-11.
Electronic module assembly.
PN 592047901 Rev YC
joint to the side of the Stepper Motor. Using a screwdriver, loosen these
retaining screws to separate the universal joint from the shaft of the Stepper
Motor. Slide the universal joint away from the motor.
Once you remove the Electronics Module from the assembly, you can
place it on the analyzer cabinet as a resting fixture. However, make
sure to place a hard surface material under the assembly before mak-
ing contact with the analyzer cabinet.
Electronics Module from the 5920 assembly by pulling up and slightly
towards the front of the analyzer.
Stepper Motor
Pilot Valve Manifold
Fan
Motor Driver Top
Maintenance and Troubleshooting | 4-17
PCB Top
Analog
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