40
Preparation and inspection
3
3. Ensure that the air/ water feeding valve (OF - B188) is firmly attached. Press down the air/ water
feeding valve a few times to ensure that it moves smoothly.
Figure 3.33
4. Align the metal tab on the shaft of the suction control valve with the notch on the suction cylinder
of the endoscope.
(1) Notch
(2) Metal Tab
Figure 3.34
5. Attach the suction control valve (OF- B120) to the suction cylinder of the endoscope.
Figure 3.35
6. Check that the suction control valve is firmly attached. Press down the suction control valve a few
times to ensure that it moves smoothly.
Figure 3.36