HP 8153A - Page 235

Cleaning Connector Bushings
As used on the HP BldSB and HP 81000AS/BS.
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.
Cleaning Detector Windows
As used on the HP 81520A and HP 81521B.
1. Use the blow brush to remove any particles from the surface.
2. Wipe the surface with cleaning paper or special cleaning tips.
Cleaning Lens Adapters
Caution Do not use any cleaning fluid or cleaning spray.
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1. Using the blow brush, remove dust.
2. Wipe the surfaces with the special cleaning tips.
Cleaning Procedures E-3