B737-fuel Systems Summary

BOEING 737 SYSTEMS REVIEW 1. GENERAL ¡ Fuel is contained in three tanks located within the wings and wing center section. ¡ There a 3 tanks : Main tanks No. 1 and No. 2 are integral with the wing structure. The center tank lies between the wing roots within the fuselage area and extends out into the wing structure. ¡ Each tank is equipped with two electrical fuel boost pumps which supply fuel directly to the respective engine or to both engines through the fuel crossfeed valve. ¡ Mechanical engine-driven fuel pumps also provide suction fuel feed from the two main tanks. Fuel for APU operation is normally supplied from the left side of the fuel manifold.

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  November 2017

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