5. Let the BlueROV2 and pump sit for 15 minutes.
6. If the gauge reads above 9 in. Hg [31 kPa] after 15 minutes, your seals are acceptable.
If the gauge reads below 9 in. Hg [31 kPa] vacuum after 15 minutes, you should check the
following:
1. Make sure that the M3 screws on the front and back end caps of the battery and
electronics enclosure using the M2.5 hex driver. If you are able to tighten one or more,
attempt the vacuum test again.
2. Make sure that the penetrators on the battery and electronics enclosure are fully