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26 PI-MAX
®
4 System Manual Issue 4
1.6 Cleaning and Maintenance
1.6.1 Cleaning the Camera
Although there is no periodic maintenance that must be performed on the PI-MAX4 camera,
users are advised to wipe it down with a clean dust collecting cloth from time to time.
1.6.2 Cleaning Optical Surfaces – Protective Window
Optical surfaces may need to be cleaned due to the accumulation of atmospheric dust. We
advise that the
drag-wipe technique be used. This involves dipping a clean cellulose lens
tissue into clean anhydrous methanol, and then dragging the dampened tissue over the
optical surface to be cleaned. Do not allow any other material to touch the optical surfaces.
1.6.3 Flushing and Refilling the CCD Chamber
WARNING!
Under normal conditions the CCD chamber is sealed and backfilled
so there is no danger of damage due to condensation.
WARNING!
Operating a PI-MAX4 that is no longer backfilled with dry air or dry
nitrogen may result in condensation on the array that could cause
irreversible damage. Such damage would not be covered by the
Warranty.
Before a PI-MAX4 camera leaves the factory, its CCD chamber is backfilled with clean dry
air or dry nitrogen. For proper operation it is essential that the integrity of the front
enclosure be maintained.
In normal operation, the CCD chamber should remain sealed for the life of the camera and
should require no maintenance to assure integrity. If it should ever happen that the CCD
chamber becomes unsealed, contact the factory and arrange to return the camera to the
factory where it can be properly flushed, backfilled and resealed again. Refer to Contact
Information on page 312 for complete contact information.
1.7 Repairs
Save the original packing materials. Since the PI-MAX4 system contains no
user-serviceable parts, repairs must be done by Princeton Instruments. Should a system need
repair, contact Princeton Instruments customer support for instructions. Refer to Contact
Information on page 312 for complete contact information.
Use the original packing materials whenever shipping the system or system components.