T700 Tutorial

8/2/2019 T700 Tutorial

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RETURN TO INDEXRETURN TO INDEX T700 ENGINE(1546 SHP)T700 ENGINE(1546 SHP) RIGHT HAND SIDERIGHT HAND SIDE

FRONTFRONTREARREAR


2/95


FRONTFRONTREARREAR

TGT (T4.5) Thermocouples(7)TGT (T4.5) Thermocouples(7)538-775 Deg C Normal775-850 Deg 30 min Limit

850 deg Start Abort850 886 deg 12 Sec Limit


3/95


FRONTFRONTREARREAR


850 deg Start Abort

850 886 deg 12 Sec Limit


4/95


FRONTFRONTREARREAR

TGT (T4.5)TGT (T4.5)

Thermocouples(7)Thermocouples(7)538-775 Deg C Normal775-850 Deg 30 min Limit

850 deg Start Abort


COMBUSTION LINERCOMBUSTION LINER 12 FUEL INJECTORS

2 PRIMER NOZZLES 2 IGNITORS


5/95


FRONTFRONTREARREAR



850 deg Start Abort





6/95


FRONTFRONTREARREAR






LDS


7/95


FRONTFRONTREARREAR



850 deg Start Abort




LDS


8/95


9/95


FRONTFRONTREARREAR



850 deg Start Abort




LDS PAS


10/95


FRONTFRONTREARREAR



850 deg Start Abort




LDS PAS

Centrifugal CompressorCentrifugal CompressorSingle Stage - 5th Stage Air(P2.5)-air for AISBV

-air for Eng Inlet Anti Ice-Air for Pneumatic Manifold(X-bleed

Start)-Air for purging

-Air for Cockpit Heat and ERFS


11/95


12/95


FRONTFRONTREARREAR



850 deg Start Abort




LDS PAS

Centrifugal CompressorCentrifugal CompressorSingle Stage - 5th Stage Air(P3)-air for AISBV




Pneumatic StarterPneumatic Starter-for X-bleed start must have min 90%Ng, 100%Np and Eng

Anti Ice Light Off.

-At least 60 sec b/n each start cycle15 deg C and below

-2 consecutive start followed by 3 min rest then 2 addn startsfollowed by 30 mins

Above 15 deg C

-2 consecutive start cycles followed by 30 min rest


13/95


FRONTFRONTREARREAR



850 deg Start Abort




LDS PAS






Anti Ice Light Off.



Above 15 deg C



14/95


FRONTFRONTREARREAR



850 deg Start Abort




LDS PAS






Anti Ice Light Off.



Above 15 deg C


TQ SensorTQ Sensor0 100% Dual Cont0 110% Single Cont

100-125% Dual 12 Sec Transient110-135% Single 12 Sec Transient

Np Overspeed SensorNp Overspeed Sensor 106+/-1%


15/95


FRONTFRONTREARREAR



850 deg Start Abort




LDS PAS






Anti Ice Light Off.



Above 15 deg C






16/95


FRONTFRONTREARREAR



850 deg Start Abort




LDS PAS






Anti Ice Light Off.



Above 15 deg C





Np TurbineNp TurbineMin 91% except idle/transient95-101% Cont

101-105% Transient105-107% 12 Sec Transient

(avoid 20-40 and 60-90%)-2 STAGE

-100% = 20900RPM-Uses 25% of combustion energy


17/95


FRONTFRONTREARREAR



850 deg Start Abort




LDS PAS






Anti Ice Light Off.



Above 15 deg C










18/95


FRONTFRONTREARREAR



850 deg Start Abort




LDS PAS






Anti Ice Light Off.



Above 15 deg C









NG TurbineNG Turbine0-99% Cont

99-102% 30 min102-105% 10 sec

-2 STAGE-29000 (idle 63%) 44700 RPM (100%)

-Uses 75% of combustion energy


19/95


FRONTFRONTREARREAR



850 deg Start Abort




LDS PAS






Anti Ice Light Off.



Above 15 deg C










99-102% 30 min102-105% 10 sec

-2 STAGE-29000 (idle 63%) 44700 RPM (100%)



20/95


FRONTFRONTREARREAR



850 deg Start Abort




LDS PAS






Anti Ice Light Off.



Above 15 deg C-2 consecutive start cycles followed by 30 min rest









99-102% 30 min102-105% 10 sec

-2 STAGE-29000 (idle 63%) 44700 RPM (100%)


Axial CompressorAxial Compressor

-5 STAGE-Comp Ratio of Axial Comp 7:1-Comp ratio of both Axial and Centr 17:1


21/95

RETURN TO INDEXRETURN TO INDEX

PASLDS


Anti Ice Light Off.



Above 15 deg C-2 consecutive start cycles followed by 30 min rest

Axial CompressorAxial Compressor

-5 STAGE-Comp Ratio of Axial Comp 7:1-Comp ratio of both Axial and Centr 17:1






99-102% 30 min102-105% 12 sec

-2 STAGE

-29000 (idle 63%) 44700 RPM (100%)










T700 ENGINE(1546 SHP)T700 ENGINE(1546 SHP) RIGHT HAND SIDERIGHT HAND SIDE

FRONTFRONTREARREAR





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T700 ENGINET700 ENGINE LEFT HAND SIDELEFT HAND SIDE

FRONTFRONT REARREAR


23/95



FRONTFRONT REARREAR

AISBVAISBV-Actuates automatically to providebleed functions at approx 88-92% Ng

or 30% Tq-Will open below 88-92% Ng and

close above


24/95



FRONTFRONT REARREAR



close above


25/95



FRONTFRONT REARREAR



close above

IPSIPS


26/95



FRONTFRONT REARREAR



close above

IPSIPS


27/95



FRONTFRONT REARREAR



close above

IPSIPS

ACTUATOR/CRANKSHAFTACTUATOR/CRANKSHAFTASSEMBLY FOR VARIABLEASSEMBLY FOR VARIABLE

GEOMETRY SYSTEMGEOMETRY SYSTEM


28/95



FRONTFRONT REARREAR



close above

IPSIPS




29/95



FRONTFRONT REARREAR



close above

IPSIPS



FUELFUEL

INJECTORS(12)INJECTORS(12)


30/95



FRONTFRONT REARREAR



close above

IPSIPS



FUELFUEL



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32/95



FRONTFRONT REARREAR



close above

IPSIPS



FUELFUEL


THERMOTHERMO--COUPLECOUPLE

HARNESS (TGT)HARNESS (TGT)


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FRONTFRONT REARREAR



close above

IPSIPS



FUELFUEL




IGNITORS(2)IGNITORS(2)


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35/95



FRONTFRONT REARREAR



close above

IPSIPS



FUELFUEL





Np SENSORNp SENSOR


36/95



FRONTFRONT REARREAR



close above

IPSIPS



FUELFUEL





Np SENSORNp SENSOR


37/95



FRONTFRONT REARREAR



close above

IPSIPS



FUELFUEL





Np SENSORNp SENSOR

Eng InletEng Inlet

Anti Ice PortAnti Ice Port


38/95



FRONTFRONT REARREAR



close above

IPSIPS



FUELFUEL





Np SENSORNp SENSOR

Eng InletEng Inlet



39/95



FRONTFRONT REARREAR



close above

IPSIPS



FUELFUEL





Np SENSORNp SENSOR

Eng InletEng Inlet


Eng Anti-

Ice


40/95



FRONTFRONT REARREAR



close above

IPSIPS



FUELFUEL





Np SENSORNp SENSOR

Eng InletEng Inlet


Eng Anti-

Ice


41/95



FRONTFRONT REARREAR



close above

IPSIPS



FUELFUEL





Np SENSORNp SENSOR

Eng InletEng Inlet


Eng Anti-

IceECUECU(ECU Functions are.??)(ECU Functions are.??)


42/95



FRONTFRONT REARREAR



close above

IPSIPS



FUELFUEL





Np SENSORNp SENSOR

Eng InletEng Inlet


Eng Anti-

IceECUECU::-Np Governing to maintain constant Power Turbine and Rotor RPM-Load Share Comparator(keeps tq within 5% by adjust low eng Np up to 3%

-TGT Limit Amplifier(limits TGT to 837-849 deg), inop during Eng Start, Lockout, Compressor Stall andAlternator Failure

-Tq Motor Amplifier actuates Tq Motor in HMU to bias metering valve and also receives feedback signal fromLinear Variable Differential Transducer in HMU

-Np Overspeed Switch to actuate Overspeed Solenoid backup power from AC Primary Bus-History Recorder records TGT and Ng and is used to track life of GG and IPS (backup power from AC

Primary Bus)

-Conditioning and Transfer to cockpit of Tq and Np Signals.-Np Reference for Np Trim Switch 96-100% with Pilot Side having authority

GG SS


43/95


ECUECU::-Np Governing to maintain constant Power Turbine and Rotor RPM-Load Share Comparator(keeps tq within 5% by adjust low eng Np up to 3%

-TGT Limit Amplifier(limits TGT to 837-849 deg), inop during Eng Start, Lockout, Compressor Stall andAlternator Failure

-Tq Motor Amplifier actuates Tq Motor in HMU to bias metering valve and also receives feedback signal fromLinear Variable Differential Transducer in HMU

-Np Overspeed Switch to actuate Overspeed Solenoid backup power from AC Primary Bus-History Recorder records TGT and Ng and is used to track life of GG and IPS (backup power from AC

Primary Bus)

-Conditioning and Transfer to cockpit of Tq and Np Signals.-Np Reference for Np Trim Switch 96-100% with Pilot Side having authority

FUELFUELINJECTORS(12)INJECTORS(12) IGNITORS(2)IGNITORS(2)

IPSIPS

Eng Anti-Ice


FRONTFRONT



close above

Np SENSORNp SENSOR





Eng InletEng Inlet



44/95


T700 ENGINET700 ENGINE FRONT VIEWFRONT VIEW


45/95



ALTERNATOR

-1 Winding for Ng Signal-1 Winding for ECU Power

-1 Winding for Engine Ignition


46/95



ALTERNATOR




47/95



ALTERNATOR



OIL TEMP/ PRESSUREOIL TEMP/ PRESSURE

SENSE (NOT VISIBLE)SENSE (NOT VISIBLE)-Pressure Light on at 20 PSI-Temp Light on at 150 deg C


48/95



ALTERNATOR





OIL PUMPOIL PUMP


49/95



ALTERNATOR





OIL PUMPOIL PUMP- 6 Scavenge Elements-1 Pressure Element

OIL PUMPOIL PUMP


50/95



ALTERNATOR






OIL PUMPOIL PUMP OIL FILTER BYPASSOIL FILTER BYPASS


51/95



ALTERNATOR






OIL FILTER BYPASSOIL FILTER BYPASS

SWITCHSWITCH ( >80 PSI)



52/95



ALTERNATOR









53/95



ALTERNATOR





O UO U- 6 Scavenge Elements-1 Pressure Element


COLD OIL RELIEFCOLD OIL RELIEF

Filter CoolerFilter Cooler



54/95



ALTERNATOR





- 6 Scavenge Elements-1 Pressure Element




OIL PUMPOIL PUMP OIL FILTER BYPASSOIL FILTER BYPASS OIL FILTEROIL FILTER * Oil Filter Impending Bypass buttondeactivated below 38 deg)


55/95



ALTERNATOR









-*44-60PSI filter button pops-60-80PSI = light in cockpit

->80PSI will actually bypass

deactivated below 38 deg)



56/95



ALTERNATOR














57/95



ALTERNATOR-1 Winding for Ng Signal-1 Winding for ECU Power











CHIP DETECTOR (OIL)CHIP DETECTOR (OIL)- no Fuzz burn



58/95















OIL PUMPOIL PUMP OIL FILTER BYPASSOIL FILTER BYPASSSWITCHSWITCH

OIL FILTEROIL FILTER * Oil Filter Impending Bypass buttondeactivated below 38 deg)


59/95















4. OIL4. OIL

COOLERCOOLER

OIL PUMPOIL PUMP6 S


SWITCHSWITCH ( 80 PSI)OIL FILTEROIL FILTER* 60 S f

* Oil Filter Impending Bypass button



60/95















4. OIL4. OIL

COOLERCOOLER

OIL PUMPOIL PUMP6 S El t


SWITCHSWITCH ( 80 PSI)OIL FILTEROIL FILTER*44 60PSI filt b tt




61/95













g)


4. OIL4. OIL

COOLERCOOLER

FUEL FILTERFUEL FILTER

BYPASS SWITCHBYPASS SWITCH(18-22 PSI)

OIL PUMPOIL PUMP6 S El t


SWITCHSWITCH ( >80 PSI)OIL FILTEROIL FILTER*44 60PSI filt b tt




62/95













g)


4. OIL4. OIL

COOLERCOOLER



OIL PUMPOIL PUMP6 Scavenge Elements


SWITCHSWITCH ( >80 PSI)OIL FILTEROIL FILTER*44 60PSI filter button pops




63/95












->80PSI will actually bypassCHIP DETECTOR (OIL)CHIP DETECTOR (OIL)- no Fuzz burn

4. OIL4. OIL

COOLERCOOLER



1. ENG DRIVEN FUEL1. ENG DRIVEN FUEL

PUMP(45PUMP(45--90 PSI)90 PSI)







64/95













4. OIL4. OIL

COOLERCOOLER











65/95











- 44-60PSI filter button pops-60-80PSI = light in cockpit


4. OIL4. OIL

COOLERCOOLER





22.. FUEL FILTERFUEL FILTER

OIL PUMPOIL PUMP- 6 Scavenge Elements


SWITCHSWITCH ( >80 PSI)OIL FILTEROIL FILTER-*44-60PSI filter button pops




66/95











- 44-60PSI filter button pops-60-80PSI = light in cockpit


4. OIL4. OIL

COOLERCOOLER












67/95







6 Scavenge Elements-1 Pressure Element




44 60PSI filter button pops-60-80PSI = light in cockpit


4. OIL4. OIL

COOLERCOOLER






55THTH STAGE AIR FORSTAGE AIR FORENG ANTIENG ANTI -- ICEICE







68/95













4. OIL4. OIL

COOLERCOOLER













69/95








SWITCHSWITCH ( 80 PSI)





4. OIL4. OIL

COOLERCOOLER







SWIRL FRAMESWIRL FRAME-Initial Stage of air

purification







70/95







6 Sca e ge e e s-1 Pressure Element

( )



60 S e bu o pops-60-80PSI = light in cockpit


4. OIL4. OIL

COOLERCOOLER








purification

ENGINE FUEL FLOW-1 Eng Driven Fuel Pump

-2 Fuel Filter-3 HMU(next page)

-4 Liquid to Liquid Oil Cooler-5 POU(next page)







71/95







g-1 Pressure Element

( )



p p-60-80PSI = light in cockpit


4. OIL4. OIL

COOLERCOOLER








purification





72/95







73/95



ALTERNATOR-1 Winding for Ng Signal

-1 Winding for ECU Power-1 Winding for Engine Ignition



-1 Pressure ElementCOLD OIL RELIEFCOLD OIL RELIEF


-60-80PSI = light in cockpit


4. OIL4. OIL

COOLERCOOLER








purification




HISTORY DATAHISTORY DATA

RECORDERRECORDER-Records TGT and Ng.

-Backup power from AC Primary

Bus

WIRE COLOURS???WIRE COLOURS???







74/95











4. OIL4. OIL

COOLERCOOLER








purification







Bus

GREEN Engine to

airframe interface

BLUE Np Overspeed and

Tq Indication systems

YELLOW EngineElectrical Functions

BLACK Engine Ignition







75/95











4. OIL4. OIL

COOLERCOOLER








purification







Bus

GREEN Engine to

airframe interface



YELLOW EngineElectrical Functions

BLACK Engine Ignition

OIL FILTEROIL FILTER-*44-60PSI filter button pops

S


SWITCHSWITCH ( >80 PSI)OIL PUMPOIL PUMP- 6 Scavenge Elements




76/95


GREEN Engine to

airframe interface



YELLOW Engine

Electrical FunctionsBLACK Engine Ignition



-Backup power from AC PrimaryBus

ALTERNATOR









4. OIL4. OIL

COOLERCOOLER






-1 Pressure Element


LEFTRIGHT


purification







77/95


T700 ENGINET700 ENGINE REAR VIEWREAR VIEW

LEFTLEFT RIGHTRIGHT

IPSIPS-Swirl Frame on eng inlet directs contaminated air to


78/95



LEFTLEFT RIGHTRIGHT

outside of eng inlet. 85% of inlet air travels direct tocompressor. Other 15%(dirty) is directed to IPS.

-Use centrifugal force to separate heavy, contaminated

particles. Dirty Air dumped overboard.

-Mechanically driven by AGB-Not effective at low Ng or on Sheet Ice Shed from

Windshield due to Ady Qualities of the ice.



79/95



LEFTLEFT RIGHTRIGHT







t id f i l t 85% f i l t i t l di t t


80/95



LEFTLEFT RIGHTRIGHT






3. HMU3. HMU

Functions ????



3. HMU3. HMU-Pumps Fuel via high pressure Vane Pump(400-832 PSI)

M t F l i PAS LDS d ECU ECU i t ti d b T M t i id HMU)


81/95



LEFTLEFT RIGHTRIGHT






-Meters Fuel via PAS, LDS and ECU. ECU inputs actioned by Tq Motor inside HMU)-Controls VG and VIGVs via Actuator Shaft

-Controls AISBV via Actuator Shaft

-Limits Accel and Decel of engine to prevent Compressor Stall/Flameout

-Controls Vapor Vent for Manual Fuel Prime-Allows PAS over-ride by mechanically passing all Tq Motor Inputs when PCL advanced full

forward ie ECU Lockout




M t F l i PAS LDS d ECU ECU i t ti d b T M t i id HMU)


82/95



LEFTLEFT RIGHTRIGHT












outside of eng inlet 85% of inlet air travels direct to


Meters Fuel via PAS LDS and ECU ECU inputs actioned by Tq Motor inside HMU)


83/95



LEFTLEFT RIGHTRIGHT











PNEUMATICPNEUMATICSTARTERSTARTER-30,000 rpm at max Ng-Driven by APU, Other

Engine or Ext Source.- Eng Start Valves air

actuated, elec controlled






84/95



LEFTLEFT RIGHTRIGHT



















85/95



LEFTLEFT RIGHTRIGHT














PASPAS-Sets max pwr avail sched.

-Set max pwr limits that may

never be exceeded byCollective.




-Meters Fuel via PAS LDS and ECU ECU inputs actioned by Tq Motor inside HMU)


86/95



LEFTLEFT RIGHTRIGHT




















-Meters Fuel via PAS LDS and ECU ECU inputs actioned by Tq Motor inside HMU)


87/95



LEFTLEFT RIGHTRIGHT






Meters Fuel via PAS, LDS and ECU. ECU inputs actioned by Tq Motor inside HMU)-Controls VG and VIGVs via Actuator Shaft











LDSLDS-Adjust Load Demand

schedule.-Adjusts fuel flow

simultaneously with Coll


outside of eng inlet. 85% of inlet air travels direct to


-Meters Fuel via PAS, LDS and ECU. ECU inputs actioned by Tq Motor inside HMU)


88/95



LEFTLEFT RIGHTRIGHT

























89/95



LEFTLEFT RIGHTRIGHT




















TQ and O/STQ and O/SSENSORSENSOR-sends signal to ECU forconditioning then to SDC and

cockpit-O/S signal used by ECU to

adjust POU






90/95



LEFTLEFT RIGHTRIGHT

gcompressor. Other 15%(dirty) is directed to IPS.





, p y q )-Controls VG and VIGVs via Actuator Shaft
















adjust POU






91/95



LEFTLEFT RIGHTRIGHT






, p y q )-Controls VG and VIGVs via Actuator Shaft
















adjust POU

Np SENSORNp SENSOR-sends signal to ECU forconditioning then to SDC andcockpit






92/95



LEFTLEFT RIGHTRIGHT






p y q )-Controls VG and VIGVs via Actuator Shaft
















adjust POU







93/95



LEFTLEFT RIGHTRIGHT

compressor. Other 15%(dirty) is directed to IPS.





-Controls VG and VIGVs via Actuator Shaft
















adjust POU


5. POU5. POUFunctions ??






94/95



LEFTLEFT RIGHTRIGHT






















adjust POU


5. POU5. POU-Sequences Start Fuel

(outlet to Start FuelManifold and 2 primer

nozzles)

-Direct Main Fuel

Flow(outlet to main fuel

manifold and 12 injectors)-Purges(via P3 air) Start,

Main fuel manifolds as well

as injectors andprimers(outlet overboard)

-On command from ECU

limits fuel flow to prevent

Np Overspeed(106+/-1%)






95/95






5. POU5. POU-Sequences Start Fuel

(outlet to Start Fuel

Manifold and 2 primer

nozzles)-Directs Main Fuel

Flow(outlet to main fuel

manifold and 12 injectors)

-Purges(via P3 air) Start,

Main fuel manifolds as wellas injectors and

primers(outlet overboard)

-On command from ECUlimits fuel flow to prevent

Np Overspeed(106+/-1%)















TQ and O/STQ and O/S

SENSORSENSOR-sends signal to ECU forconditioning then to SDC and


adjust POU


LEFTLEFT RIGHTRIGHT

Date post:	06-Apr-2018
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