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Chapter 3 Preparation and Inspection
3.4
Attaching accessories to the endoscope
Attaching the suction valve
28
The air/water valve and the suction valve do not require
lubrication. Lubricants can cause swelling of the valves'
seals, which will impair valve function.
1.
Align the two metal ridges on the underside of the suction valve with the two
holes in the suction cylinder.
2.
Attach the suction valve to the suction cylinder of the endoscope (see
Figures 3.12 and 3.13). Confirm that the valve fits properly without any
bulging of the skirt. Also confirm that the valve cannot be rotated.
Two metal ridges
Figure 3.12
The suction valve will make a whistling noise when it is dry;
this does not indicate a malfunction.
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
Skirt
Side view
Bottom view
Suction cylinder
Suction cylinder
Two holes
Top view
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