7
MAINTENANCE
The 301 Densitometer is completely covered by a one (1) year warranty
and should be referred to the factory or authorized service center for
repairs within the warranty period. Attempts to make repairs within the
warranty period may void the warranty. If repairs are needed after the
warranty period, only qualified technicians should perform such repairs.
Refer to the exploded view illustration of the 301 on page 16.
WARNING: DISCONNECT POWER BEFORE PERFORMING
ANY MAINTENANCE.
CLEANING
General cleaning of the 301 Densitometer should be done with mild a soap
solution.
CAUTION: Do not use alcohol based solutions to clean light
table.
Clean the instrument optics (apertures and read head opal glass) with a
cotton swab moistened with alcohol. Remove residue and lint with lens
paper. See Figure 5.
CAUTION: To prevent contamination of optics, always cover
the reading area when cleaning the opal glass.
Figure 5. Cleaning Instrument Optics
Cover read area
and aperture
Read Button
Cotton Swab
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