HP 8163A - Cleaning Connector Bushings; Cleaning Detector Windows; Cleaning Lens Adapters

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Appendix E. Cleaning Procedures
Cleaning Connector Bushings
E.5 Cleaning Connector Bushings
As used on the HP 8158B Optical Attenuator and HP 81000AS/BS
Optical Power Splitter.
Normally the connector bushings require no cleaning. However, if
it appears that cleaning is necessary, use only the blow brush with
the brush part removed.
CAUTION NEVER insert any cleaning tool into the bushing as this may affect the
optical system.
NEVER use any index matching compound, cleaning fluid or cleaning
spray.
E.6 Cleaning Detector Windows
As used on the HP 81520A and HP 81521B Optical Heads (large
area).
1 Use the blow brush to remove any particles from the surface.
2 Wipe the surface with cleaning paper or special cleaning tips.
E.7 Cleaning Lens Adapters
CAUTION Do not use any cleaning fluid or cleaning spray.
1 Using the blow brush, remove dust.
2 Wipe the surfaces with the special cleaning tips.