Humphrey Field Analyzer II - i
Parts Removal/Replacement
Confidential and Proprietary
52235C1105
3 - 33
Field Service Guide
Caution —
In the next steps, several wavy washers and flat washers will
be released. Note their relative positions so that you will be able to
reinstall them in the same order as removed.
4)
Remove the retaining ring (E-clip) securing the shaft of the color wheel to the
carriage. Carefully remove the washers, and remove the color wheel.
Aperture Wheel removal:
5)
Remove the retaining ring (E-clip) securing the shaft of the aperture wheel to the
carriage. Carefully remove the washers, and remove the aperture wheel.
Replacement Notes:
Ensure that the washers are reinstalled on the shaft(s) in the same order as removed
(Figure 3-6).
Follow-up Checks/Adjustments:
See Table 3-1.
3.22 Carriage Motor Removal
1)
Remove the Projection Interconnect PCB (3.18).
2)
Loosen
the four screws securing the carriage motor to the projection assembly.
3)
Remove the projection assembly, using all necessary precautions (3.17).
4)
Cut any cable ties securing the carriage motor cable.
5)
Remove the four loosened screws holding the motor in place, and remove the
motor.
6)
Loosen the two setscrews on the carriage motor pulley, and remove the pulley
from the shaft.
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