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3.5 Attaching accessories to the endoscope
BF-190 Series OPERATION MANUAL
Ch.3
Attaching the suction valve (MAJ-207) or the single use
suction valve (MAJ-209)
Firmly attach the suction valve to the suction cylinder. If the suction valve is
attached to the endoscope improperly or a gap between the base of the suction
valve and the top of the suction cylinder exists, the suction valve may detach from
the endoscope and may cause patient debris to leak or spray from the gap.
The suction valve does not require lubrication. Lubricants can cause swelling of the
valve’s seals, and the valve function may be impaired.
Figure 3.16
3.5 Attaching accessories to the endoscope
1 Place the suction valve into the suction cylinder, then align the arm of the main body
with the white mark on the endoscope.
2 Press down on the suction valve’s top surface with both thumbs until it “clicks” into
place.
Sometimes the suction valve will click before it is fully seated in the suction
cylinder. Depress the suction valve into the suction cylinder until it fits completely to
the suction cylinder without showing a gap.
Suction
cylinder
White mark
12
Arm
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