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The fan case.
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The oil/fuel heat exchanger.
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The VBV.
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The VSV.
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The turbine clearance control.
-
The aft sump.
-
The 6 o’clock fire shield.
- FRV.
EFG
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ALL CFM56-5B ENGINES FOR A319-A320-A321
ENGINE SYSTEMS Jan 03
CFMI PROPRIETARY INFORMATION
CFM56-5B TRAINING MANUAL
EFG
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EFG
THRUST REVERSER
EFFECTIVITY
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ENGINE SYSTEMS Jan 03
CFMI PROPRIETARY INFORMATION
CFM56-5B TRAINING MANUAL
EFG
THRUST REVERSER
The Thrust Reverser (T/R) system provides additional aerodynamic breaking during aircraft landing.
It can only be operated on ground, with the engines at idle speed and the throttle lever in the reverse position.
The fan thrust reverser is part of the exhaust system and is located just downstream of the fan frame. It consists of blocker doors opening on cockpit order.
In direct thrust configuration, during flight, the cowlings mask the blocker doors, thus providing fan flow ducting.
In reverse thrust configuration, after landing, the blocker doors are deployed in order to obstruct the fan duct. The fan flow is then rejected laterally with a forward velocity.
EFG
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EFFECTIVITY
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ALL CFM56-5B ENGINES FOR A319-A320-A321
ENGINE SYSTEMS Jan 03
CFMI PROPRIETARY INFORMATION
CFM56-5B TRAINING MANUAL
EFG
THRUST REVERSER
Thrust reverser position.
The blocker doors are monitored in the open or closed positions by a series of deploy and stow switches.
These switches provide the ECU with T/R door positioning:
Stow switches.
TRS1
All switches open = 4 doors unstowed.
One switch closed = at least one door stowed.
TRS2
All switches open = 4 doors stowed.
One switch closed = at least one door unstowed.
Deploy switches.
Any switch open = at least one door not deployed. All switches closed = all doors deployed.
EFG
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EFFECTIVITY
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ALL CFM56-5B ENGINES FOR A319-A320-A321
ENGINE SYSTEMS Jan 03
CFMI PROPRIETARY INFORMATION
CFM56-5B TRAINING MANUAL
EFG
THRUST REVERSER
The T/R system is fully controlled by the ECU, and consists of:
- The cockpit throttle assembly.
-
The Engine Interface Unit (EIU) which supplies both
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