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Accumulator Charging and Gauging Assemblies

Installation (A) Remove gas valve guard (protective cap) and valve cap. (B) Fill accumulator approximately 10% full with system fluid through fluid port for a cushion. (C) Install recommended Gas Charging Assembly on the gas valve stem at top of unit. (D) Pre-Charge very slowly up to 25 PSIG using dry nitrogen gas only. A gas regulator is recommended. WARNING: Initial pre-charging at a rate above 25 PSIG can cause bladder to burst. (E) Continue pre-charging to desired pressure by increasing nitrogen flow. (F) Remove charging assembly, replace valve cap and guard.
Warning Use dry nitrogen gas ONLY.
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