Mindray WATO EX-55 - Page 66

4-8
10. As required, replace the BYPASS large sealing cushion (0601-20-78840) every 12
months.
4.1.1.2 Checkout and Test of the Anesthesia Machine
Perform the following maintenance procedures every 12 months:
1. System inspection (refer to 3.1).
2. Pipeline test (refer to 3.2).
3. Cylinder test (refer to 3.3).
4. Flow control system test (refer to 3.4).
5. Vaporizer back pressure test (refer to 3.5).
6. O2 flush test (refer to 3.6).
7. Breathing circuit test (refer to 3.7).
8. Pressure relief valve test (refer to 3.8).
9. Alarm test (refer to 3.9).
10. AGSS inspection (refer to 3.10).
11. Power failure test (refer to 3.11).
12. Electrical safety test (refer to 3.12).
BYPASS large sealing
cushion（0601-20-78840）