Vyaire VELA, Руководство по обслуживанию

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Chapter 5: One-Year P.M. Procedure
5-11
33373-001 Version A
4. Install the O-ring P/N 31029 on the new inspiratory piston P/N 21950 (Figure 5-18).
Figure 5-18. Inspiratory Piston Valve (P/N 21950)
5. Install the 1-
1/4” Umbrella valve P/N 05528 into the bottom of the piston using a pair of needle
nose pliers to gently pull it through the hole in the piston.
6. Install the silicone rubber washer P/N 21013 inside the piston and feed the nipple of the
Umbrella valve through the center of the silicone washer. Use a pair of needle nose pliers and
after you have fed the nipple through the center of the washer grasp the nipple and lightly pull
on it until the washer can be placed at the base of the piston.
7. Place the inspiratory check valve in the base manifold cavity centering it.
8. Place the spring (P/N 21971) into the center of the check valve (P/N 21950).
9. Slip the solenoid over the spring using the guide in the base of the solenoid and seat into place.
10. Tighten the Inspiratory Hold Solenoid using the two Phillips Screws to the base manifold.
5.4.10 Replacing the 3 volt coin battery on the Video PCB.
Figure 5-19. Main PCB with 3-Volt Coin Cell Location
1. Using the directions in Chapter 3: Disassembly and Reassembly, remove the front panel
assembly and lay it flat on a level surface.
2. Remove the 3-Volt Coin-Cell; gently slip the old battery out being careful not to stress the
holding arm spring.
3. Install the new battery, P/N 68319, taking care not to stress the holding arm.
4. Reinstall the front panel assembly.
5. Discard the battery in accordance with local laws.