Step 11.
Position purge device LEAK TEST/PURGE switch (10) to LEAK TEST and
observe that the purge device gauge (9) indicates a steady pressure reading of
3 1 PSI. If unable to observe a steady pressure reading of 3 1 PSI, a leak is
present. Stop purge procedure and seal night vision goggle leak(s). If purge
device gauge (9) indicates a steady pressure reading, position purge device LEAK
TEST/PURGE switch (10) to PURGE.
Step 12.
Prepare for continued purge/fill procedure or turn off nitrogen tank valve and
remove and store fire control tool set and purge device.
63
Previous Page
