Section 20- 4-Way Valve; Replacing 4-Way Valve - Invacare Platinum IRC5LXO2AW Service Manual

SECTION 20—4-WAY VALVE
SECTION 20— 4-WAY VALVE
NOTE: Refer to Recycling Information following local governing ordinances and recycling plans
regarding disposal of the concentrator or components.
To prevent electrical shock, ALWAYS disconnect concentrator from electrical
outlet before servicing.

Replacing 4-Way Valve

1. Turn power Off (O) and unplug the unit.
2. Remove cabinet. Refer to Removing Cabinet on page 25.
3. Remove control panel. Refer to Removing Control Panel on page 50.
4. Remove the four mounting screws that secure the 4-way valve to the manifold
assembly.
NOTE: Ensure the manifold gasket is in place on 4-way valve before installing.
5. Position new 4-way valve onto manifold assembly and loosely install mounting
screws through 4-way valve and into manifold assembly.
Torque sequence and specification MUST be adhered to or possible damage to the
4-way valve could result.
6. Tighten mounting screws in the sequence described below.
7. Pre-torque the mounting screws to 1.1 N-M ± 0.2 N-M (10 in-lbs ± 2 in-lbs) using the
torque sequence.
8. The mounting screws can be now be torqued to 2.5 N-M ± 0.2 N-M (22 in-lbs ± 2 in-lbs)
in the same sequence.
This is a maintenance free valve. Opening the valve will void any and all warranties
applicable to the valve.
®
Platinum Oxygen
DANGER
CAUTION
CAUTION
60
Part No 1118396