Humphrey Field Analyzer II - i
Parts Removal/Replacement
Confidential and Proprietary
52235C1105
3 - 47
Field Service Guide
3.35 Chinrest Vertical Slide and Lead Screw Removal
1)
Remove the front cover (3.2).
2)
Remove the four screws securing the chinrest assembly to the front cover
(Figure 3-9), and remove the assembly.
3)
Remove the plastic chinrest (2 screws).
4)
Remove the chinrest cover bracket (2 screws).
5)
Turn the pulley on the chinrest X-axis motor to move the chinrest assembly left or
right to gain access to the screws holding the vertical lead screw and vertical slide.
Replacement Notes:
P
Before installing the headrest drive belt, set the chinrest and headrest horizontal
lead screw nuts both to the same relative position (check for the same amount of
thread showing on the same side of the lead screws).
P
Adjust the drive belt (Section 4).
Follow-up Checks/Adjustments:
See Table 3-1.
Summary of Contents for humphrey HFA II-i series
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Page 424: ...Page 4 FA2i 013A PROPRIETARY and CONFIDENTIAL...
Page 502: ...FA2i 041 Page 3 Figure 2 Press rectangle in Top Left corner...
Page 516: ...Page 2 FA2i 046 Figure 1 Glass Film Wedge Detectors P N 67417 Note Spacing Washer Placement...
Page 517: ...FA2i 046 Page 3 Figure 2 Y Motor Turret Detector P N 67418 Note Spacing Washer Placement...