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Auxiliary
Air Valve, Replace
Disconnect
double plug (black).
Loosen
hose clamps and disconnect hoses.
Unscrew
both retaining bolts and remove auxiliary air valve.
Visually
check auxiliary air valve.
When
cold, regulator disc is open: when hot - auxiliary air valve can be heated by
connecting to a 12 V battery - regulator disc is closed.
When
installing, ensure that by-pass air hoses are seated correctly.
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