Invacare Perfecto2IRC5PO2AW Service Manual page 78

SECTION 23—LEAK TEST
Check each end cap
for cracks and for
major leaks. You
should NOT use
leak detector on the
valve.
4 - Way Valve
Use a 0-206.84 kPa (0-30 p.s.i.) pressure
gauge to monitor system pressure swings,
and also record the amount of time it takes
to achieve a shift (full charge and full purge).
FIGURE 23.2 4 Way Valve Function Test
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Perfecto ™ Part No 1154245
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