Zeiss humphrey HFA II-i series, Field Service Manual

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Parts Removal/Replacement Humphrey Field Analyzer II - i
Confidential and Proprietary
Field Service Guide
3 - 48 52235C1105
3.36 Chinrest Horizontal Slide Removal
1) Remove the front cover (3.2).
2) Remove the four screws securing the chinrest assembly to the front cover
(Figure 3-9).
3) Remove the two screws holding the trial lens trap.
4) Remove the two screws holding the stationary part of the horizontal slide.
5) Remove the two screws holding the moving part of the horizontal slide.
6) Remove the entire slide assembly out from between the stationary bracket and the
movable bracket of the chinrest assembly.
Replacement Notes:
P
Check the tension of the vertical (Y-axis) and horizontal (X-axis) drive belts
(Section 4).
P
Straighten the bristles on the trial lens trap brush to position them to the inside of
the slot in the trap.
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).
Follow-up Checks/Adjustments:
See Table 3-1.