Maintenance and Calibration
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3.6.15 Removing Internal Regulators, Proportional Valve and Flow Divider
1. Disconnect all sources of pressurized gas.
2. Remove vaporizers.
3. Remove the access panel attached to the yoke assembly.
4. Remove the screws holding the swinging rear access panel.
5. Disconnect each gas hose and electric cable running through each section.
6. Disconnect the top section from the middle section by disconnecting fasteners.
7. Remove the top section exposing the internal regulators and proportional valve. Replace the
targeted component. Replace each hose and cable.
8. Reconnect hoses and cables to the new component.
9. Rebuild in reverse order.
10. Apply gas pressure and power to functional test prior to final button-up
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