Checking the accumulators’ precharge, Checking the accumulators’ precharge 31, Checking the accumulators – MTS Series 315 Load Frame User Manual

Page 31: Precharge

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Series 315 Load Frame

Maintenance

31

Checking the Accumulators’ Precharge

An accumulators’ correct precharge pressure is written on its label. Begin by
checking precharge pressures at least once a month.

See the Series 111 Accumulator Product Information manual for the complete details on
checking the precharge intervals and servicing the accumulators.

Record both the pressures and the room temperature in a log book. Use these
readings as a basis for increasing or decreasing the interval between pressure checks.

Generally, recharging is required when there is a change of ±1.4 MPa
(200 psi) in the pressure line accumulator or ±50% in the return line accumulator.

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