Chapter 3 Preparation and Inspection
29
EVIS EXERA II TJF TYPE Q180V OPERATION MANUAL
3. Check for excessive scratching or tears in the air/water valve’s seals (see
Figure 3.6).
Figure 3.6
Figure 3.7
The air/water and suction valves are consumables. If the
inspection of the air/water or suction valve reveals any
irregularity, use new valves.