HYD _______Y RSVR LO AIR PR

Hydraulic System Monitoring Unit (HSMU)

— RESET PROCEDURE—

  • Check Air pressure in reservoir from reservoir gauge.
  • Pressurize the hydraulic reservoirs with APU Bleed air.
    (Selection of ENG MASTER SW to crank will boost APU Bleed PX to
    58 PSI for 30 sec).

MEL STATUS: MEL 29-30-03-B



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All instructions and limitations given in those documents that relate to the resetting of systems both on the ground and in the air must be respected. No reset should be attempted without a thorough appreciation of the technical ramifications. No more than one computer should be reset at any one time. No reset should be attempted in flight unless specifically permitted by the QRH. Maintenance messages remaining after a reset require engineering investigation.

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