Color Wheel / Aperture Wheel Removal - Zeiss humphrey HFA II-i series Field Service Manual

Parts Removal/Replacement
Replacement Notes:
Route the cable from the glass wedge motor away from the carriage drive pulley
P
under the Projector PCB to avoid possible contact with the pulley.
Follow-up Checks/Adjustments:
See Table 3-1.

3.21 Color Wheel / Aperture Wheel Removal

NOTE - The aperture wheel can be removed only after the color wheel is removed.
1) Remove the front and rear covers (3.2, 3.3).
2) Disconnect the two large ribbon cable connectors from the Projection Interconnect
PCB.
3) Remove the two socket head screws holding the carriage assembly to the carriage
rail block (Figure 3-6). Carefully remove the carriage and place it on a padded
work surface that will support the color wheel/aperture wheel without damage to
the wheels.
FIGURE 3-6. Color Wheel/Aperture Wheel Removal
Field Service Guide
Humphrey Field Analyzer II - i
Confidential and Proprietary
3 - 32 52235C1105