Zeiss humphrey HFA II-i series, Field Service Manual

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Humphrey Field Analyzer II - i Parts Removal/Replacement
Confidential and Proprietary
52235C1105 3 - 43
Field Service Guide
3.33 Chinrest Y-axis Belt/Motor Removal
Belt:
1) Remove the front cover (3.2).
2) Remove the four screws securing the chinrest motor to the bracket.
3) Slip the belt off over the lip of the chinrest motor pulley.
4) Slip the belt off over the lip of the chinrest pulley.
Motor:
1) Remove the front cover (3.2).
2) Make note of the cable ties holding the cable to the chinrest motor, then cut the
cable ties. Disconnect the cable at the connector.
3) Remove the four screws securing the chinrest motor to the bracket.
4) Slip the belt off over the lip of the chinrest motor pulley, and remove the motor.
Replacement Notes:
P
Adjust the belt tension (Section 4).
P
Be sure to secure the connector to the motor body with a cable tie.
P
Reattach the ground wire under the motor mounting screw.
Follow-up Checks/Adjustments:
See Table 3-1.