Service
6-16 P/N M/97-520
19. Place the Microsyn field coil assembly on the Microsyn housing
and align the mounting screw holes.
20. Insert the mounting screws and washers and tighten the screws.
21. Refer to Figure 3-3 within Section 3 - Calibration.
Drive Endcap Service
The drive endcap should only require service if the gaskets or mechanical
seals need to be replaced, or if a bearing has seized.
Motor and Gearbox Test
WARNING
Make sure power has been turned OFF at the motor and torque sensor
electronics enclosures before servicing the viscometer.
1. Note the orientation of the drive motor bracket and measuring
chamber. The bracket should be reinstalled in the same position
during assembly.
2. Remove the drive motor bracket mounting screws and spacers (if
applicable) from the measuring chamber as shown in Figure 6-9.
3. Separate the drive shaft coupling between the measuring chamber
and the drive motor. Retain the isolator for later use.
4. Turn power ON to the motor control enclosure.
5. Check the motor for unusual noises or vibration. Turn motor power
OFF. If there is an unusual noise or vibration, the motor, gearbox or
capacitor may be defective. Refer to step 6.
6. Refer to Figure 6-10 and check the motor and gearbox as follows:
a. Remove the screws that secure the motor to the gearbox.
b. Separate the motor and gearbox.
c. Turn power ON to the motor control enclosure.
d. Check the motor for unusual noises or vibrations. Turn
power OFF.
7. Proceed as follows:
a. If there are unusual noises or vibration, then the motor or
capacitor is defective. Refer to Appendix A and contact
Brookfield Engineering Laboratories for assistance.
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