8.6 Cleaning the System
WARNING
Never pour fluid on the system when cleaning. Do not over-wet the cleaning cloth. Excessive moisture can seep into mechanical or electrical parts, damaging the equipment and possibly causing an electrical short circuit and physical injury. As a precaution, unplug the system before cleaning. Always unplug the system before using any flammable cleaning fluid.
To the degree possible, the system should be kept in a clean environment, away from dirt, dust, oil, and debris which could affect system performance or degrade the system ’ s mechanical and electronic parts. If a clean environment is not available, the machine should be kept as clean and protected as is possible. In harsh environments, preventive maintenance and factory service should be scheduled more frequently to keep the system in top working order.
8.6.1 Cleaning External Surfaces
Wipe down with a clean, lint-free cloth moistened (not wet) with plain water or Simple Green ® . Never wipe down with acetone or other harsh solvents, which can damage painted or plastic surfaces. Isopropyl alcohol can be used to clean surface contaminants where Simple Green proves ineffective.
8.6.2 Cleaning the Optics
WARNING
Do not touch lens surfaces with your fingertips. Fingerprints can destroy optical coatings over time. Only clean optical surfaces with proper cleaning supplies, and then only when necessary.
To clean the lens, refer to the following guidelines and perform the following steps:
• If a lens is covered with loose dust, do the following:
1. Use a can of optical grade (oil-free) canned compressed air to blow off the dust. Be careful not to shake the lens, or propellant might blow onto the lens.
2. Use a lens brush to gently wipe off the dust.
• If the lens is soiled with greasy deposits which cannot be blown or brushed off, use an alcohol based commercial lens cleaner and a lens cleaning tissue or a lens cloth. These items are available from camera stores.
1. Apply the lens cleaner generously to dissolve the grease.
2. Blot off the lens cleaner and dissolved grease using minimum motion.
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