COMPONENT IDENTIFICATION
DAC CONFIGURATION ITEM
NO.
IDENTIFY THE
LINE, ACCESSORY OR COMPONENT
ITEM NO.
SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT
S 9 borescope plug Controls the fuel flow between the staged and
unstaged DAC fuel nozzles.
S8 borescope plug Supplies the electrical path to the EEC for
position of the BMV.
S7 borescope plug Supplies access to the HPC for inspection.
S6 borescope plug Supplies access to the HPC for inspection.
S5 borescope plug Supplies access to the HPC for inspection.
(DAC) burner modulating valve Supplies access to the HPC for inspection.
(DAC) burner modulating valve electrical
connection Supplies access to the HPC for inspection.
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
DAC CONFIGURATION ITEM
NO.
IDENTIFY THE
LINE, ACCESSORY OR COMPONENT
ITEM NO.
SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT
LPT air duct Controls the fan air to the LPT case.
LPTACC valve Ducts cooling air to the HPT shroud support.
LPT nozzle cooling manifold 1 of 4 tubes that cool the LPT nozzles with stage 4 air.
HPT air duct Supplies the fan air path to the LPT case.
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
ITEM NO.
IDENTIFY THE
LINE, ACCESSORY OR COMPONENT
ITEM NO.
SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT High stage bleed air valve Supplies cooling air to the ignition leads.
LH ignition lead Supplies stage 9 bleed air to the airplane
systems.
RH ignition lead Supplies the path for electricity to the LH igniter
plug.
Ignition lead cooling manifold Supplies the path for electricity to the RH igniter plug.
T25 sensor lead Transmits HPC inlet temperature data for the
control logic.
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
ITEM NO.
IDENTIFY THE
LINE, ACCESSORY OR COMPONENT
ITEM NO.
SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT Transient bleed valve actuator Cools the ignition leads.
Ignition lead cooling manifold Controls stage 9 air bleed to ease engine acceleration.
TBV electrical connection Supplies the electrical path to the EEC for position of the TBV.
Transient bleed valve Operates the TBV butterfly.
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
DAC CONFIGURATION ITEM
NO.
IDENTIFY THE
LINE, ACCESSORY OR COMPONENT
ITEM NO.
SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT High stage bleed air valve Controls stage 9 bleed air to the airplane.
Stage 5 bleed air check valve Fuel nozzle with a gold band (DAC).
(DAC) cooling fuel nozzle Fuel nozzle with a blue band (DAC).
(DAC) bleed fuel nozzle Prevents stage 9 bleed air reverse flow into the HPC.
(DAC) fuel manifolds Supplies access to the HPT rotor trailing edge.
Borescope plug Holds the HPT shroud.
HPT shroud support Supplies fuel into three manifolds the pilot, main
1, and main 2 (DAC).
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
ITEM NO.
IDENTIFY THE
LINE, ACCESSORY OR COMPONENT
ITEM NO.
SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT
Fire loop detection sensor Supplies data to the EEC on the HPT shroud
support temperature.
HPTCC sensor Senses engine fires and sends the data to the
flight compartment.
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
FUEL, CONFIGURATION 2 (NO BSV) ITEM
NO.
IDENTIFY THE
LINE, ACCESSORY OR COMPONENT
ITEM NO.
SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT
Combustion case Supplies data to the EEC on the CDP
temperature.
T3 sensor Supports the combustion chamber.
Fuel manifold Supplies fuel flow in the combustion chamber.
Fuel nozzle Sends fuel in a spray into the combustor.
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
ITEM NO.
IDENTIFY THE
LINE, ACCESSORY OR COMPONENT
ITEM NO.
SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT
Turbine rear frame Sends information to the EEC on LPT exhaust
temperature.
T5 sensor (optional) Supplies location for tooling attachment.
Turbine rear frame support Supports the LPT case and attaches to the rear engine mount.
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
ITEM NO.
IDENTIFY THE
LINE, ACCESSORY OR COMPONENT
ITEM NO.
SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT
Oil supply line Supplies oil to the rear sump.
Oil scavenge line Scavenges the oil from the rear sump.
LPT case drain Drains the LPT case.
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
ITEM NO.
IDENTIFY THE
LINE, ACCESSORY OR COMPONENT
ITEM NO.
SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT LPT cooling tubes manifold Sends fire data to the flight compartment.
EGT harness and probes Monitors the T49.5 station and sends the data
to the EEC and flight compartment.
Fire loop detection sensors
Supplies cooling air to the LPT manifold impingement holes to control clearance between the LPTR blades and case shrouds.
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
ITEM NO.
IDENTIFY THE
LINE, ACCESSORY OR COMPONENT
ITEM NO.
SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT
Precooler air valve Puts out engine fires.
Thrust bar Controls the quantity of fan air directed to be
precooler.
Fire bottle discharge distribution tubes Transmits the torque between the engine and aircraft.
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
ITEM NO.
IDENTIFY THE
LINE, ACCESSORY OR COMPONENT
ITEM NO.
SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT
Precooler Transmits the precooler pressure to the A/C
systems.
Precooler downstream pressure sense line Transmits the precooler temperature to the A/C systems.
Precooler 450 degree F temperature sense line Decreases the temperature of the bleed air for the airplane systems.
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
ITEM NO.
IDENTIFY THE
LINE, ACCESSORY OR COMPONENT
ITEM NO.
SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT
Primary exhaust nozzle Contains the engine fires.
Rear engine mount Directs the primary airflow.
Labyrinth seals Supports the engine.
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
ITEM NO.
IDENTIFY THE
LINE, ACCESSORY OR COMPONENT
ITEM NO.
SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT
Primary exhaust nozzle Primary airflow inner duct and sumps venting.
Exhaust plug Makes sure the primary airflow is smooth.
Thrust reverser Transmits thrust from engine to aircraft.
Thrust link Decreases A/C speed after landing.
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
CFM56-7B TRAINING MANUAL
COMPONENT IDENTIFICATION
ITEM NO.
IDENTIFY THE
LINE, ACCESSORY OR COMPONENT
ITEM NO.
SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT
Primary exhaust Keeps fire out of the engine center vent tube.
Flame arrestor Removes primary air exhaust.
Thrust reverser
Points the secondary airflow forward and outboard to decrease the speed of the airplane with up to 80% of fan air.
CFM56-7B TRAINING MANUAL