2) Clean all dirt and stuff off the Manta, because you are going to expose sealing surfaces as you change the
batteries.
3) Unscrew the large eye-bolt in the center of the IBP; that lifts the top cap to expose the batteries.
4) Pull the top cap completely away from the IBP (below), and clean any contaminants from the top cap and o-
rings.
4) Remove the spent batteries, and install the new ones following the polarity label on the IBP.
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