Invacare IRC5P - Page 79

SECTION 23—LEAK TEST
Part No 1148070 79 Perfecto
2
™
FIGURE 23.2 4 Way Valve Function Test
4 Way Valve
Check each end cap
for cracks and for
major leaks. You
should NOT use
leak detector on the
valve.
Use a 0-30 psi 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).