T53 – Fuel Flow Divider

Identification & Location

The Flow Divider can be found on the exhaust diffuser support cone Assembly mounting bracket at the 6 o’clock position.

System Design

The Fuel Control Unit delivers fuel to the inlet of the Flow Divider Assembly. Then the Fuel Flow Divider divides the fuel to the right and left side of the Main Fuel Manifolds.

At low N1 speeds, the flow divider sends fuel through the primary system of the manifolds. As N1 speed increases, fuel pressure increases, and the Flow Divider opens ports to the secondary system of the Main Fuel Manifold. The flow divider is equipped with a drain port to drain fuel from the Main Fuel Manifolds and Flow Divider during engine shutdown.


Fuel leaking from the combustion chamber drain valve during an engine operation should be evaluated for Overhaul or Repair. (RFQ)