Olympus BF-P190 Instructions Manual page 38

3.3 Inspection of the endoscope
7
Inspect the objective lens and light guide lens
at the distal end of the endoscope's insertion
section for scratches, cracks, stains,
discoloration, deformation, gaps around the
lens, or other irregularities. Also, inspect the
entire distal end of the endoscope for chips or
cracks.
8
Inspect the adhesives attaching the bending section cover to the insertion section for
deterioration, pitting or cracking. Also, inspect the bending section cover for bulges,
Ch.3
swelling, scratches and holes.
9
Wipe the light guide edges of the endoscope connector using clean lint-free cloths
moistened with 70% ethyl or 70% isopropyl alcohol.
10
If foreign objects, such as detergent remnants,
hard water residue, finger grease, dust, and lint
may be on the electrical contacts on the
endoscope connector (ex. wiping with
lint-prone cloths, left unused for a long period of
time), wipe the electrical contacts with clean
lint-free cloths moistened with 70% ethyl or
70% isopropyl alcohol. Also, confirm that the
electrical contacts are completely dry and
clean.
32
Deteriorated adhesive
exposing thread
Cracks in bending
section cover
Cracks in adhesive
Figure 3.7
NOTE
The covering on both ends of the bending section is wound with thread. The
adhesives cover them so that they are fixed. Therefore, the thread is exposed if the
adhesives become chipped.
BF-190 Series OPERATION MANUAL
Lens
Figure 3.6
Deteriorated missing
adhesive around lens
Distal end
Bending section cover
Figure 3.8