TASK 79-11-51-990-501 Oil Tank Valve - Related Parts - Description And Operation Of The pressurizing Valve

DMC:V2500-A0-79-11-5100-00A-040A-C|Issue No:002.00|Issue Date:2016-11-01

Export Control

EAR Export Classification: Not subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3), except for the following Service Bulletins which are currently published as EAR Export Classification 9E991: SBE70-0992, SBE72-0483, SBE72-0580, SBE72-0588, SBE72-0640, SBE73-0209, SBE80-0024 and SBE80-0025.

Copyright

© IAE International Aero Engines AG (2001, 2014 - 2021) The information contained in this document is the property of © IAE International Aero Engines AG and may not be copied or used for any purpose other than that for which it is supplied without the express written authority of © IAE International Aero Engines AG. (This does not preclude use by engine and aircraft operators for normal instructional, maintenance or overhaul purposes.).

Applicability

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Description

  1. TASK 79-11-51-990-501 Oil Tank Valve - Related Parts - Description And Operation Of The pressurizing Valve

    1. Description

      The oil tank valve is a component of the gearbox module. The purpose of the valve is to ensure an adequate inlet pressure to the lubrication stage inlet of the oil pump. The valve is located on the oil tank attached to the flange of the deaerator, refer to Figure.

    2. Operation

      Any over pressurization in the oil tank causes the aperture of the valve to open and lets the air/oil mixture breathe to the deoiler. A pressure relief hole in the valve allows residual oil tank pressure to escape when the engine is turned off.

      The good condition of the pressurization valve assembly makes sure that the oil tank and the pressure oil pump operate safely.

    2. Figure: Oil Tank Valve

    Oil Tank Valve

Change Type:

Revised the procedure to add operation procedure. (14VF840)