W DOC AIRBUS | AMM A320F

Installation of the Integrated Drive Generator - IDG 1(2)

TASK 24-21-51-400-040-A
Installation of the Integrated Drive Generator - IDG 1(2)

WARNING: DO NOT LET ENGINE OIL STAY ON YOUR SKIN FOR A LONG TIME. FLUSH THE OIL FROM YOUR SKIN WITH WATER. THE OIL IS POISONOUS AND CAN GO THROUGH YOUR SKIN AND INTO YOUR BODY.
CAUTION: DO NOT LET ENGINE FUEL OR OIL FALL ON THE ENGINE. UNWANTED FUEL OR OIL MUST BE REMOVED IMMEDIATELY WITH A CLEAN LINT FREE CLOTH. THE FUEL OR OIL CAN CAUSE DAMAGE TO THE SURFACE PROTECTION AND TO SOME PARTS.
CAUTION: DO NOT USE THE IDG CABLES FOR A HAND HOLD. IF THE IDG CABLES ARE PULLED LOOSE IT CAN CAUSE DAMAGE TO THE CABLES OR TO THE ENGINE.
ZONE: 436
FIN: 4000XU ** ON A/C NOT FOR ALL
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
WARNING NOTICE(S)
No specific
Torque wrench: range to between 15 and 10 lbf.ft (2.03 and 1.36 m.daN ) T
No specific
Torque wrench: range to between 14 and 12 lbf.ft (1.90 and 1.63 m.daN ) T
No specific
Torque wrench: range to between 25 and 20 lbf.ft (3.39 and 2.71 m.daN ) T
No specific
Torque wrench: range to between 35.4 and 33.3 lbf.ft (4.80 and 4.51 m.daN ) T
No specific
Torque wrench: range to between 37.9 and 35.8 lbf.ft (5.14 and 4.85 m.daN ) T
No specific
Torque wrench: range to between 58.3 and 52.5 lbf.ft (7.90 and 7.12 m.daN ) T
No specific
Torque wrench: range to between 83.3 and 75 lbf.ft (11.29 and 10.17 m.daN ) T
No specific
Torque wrench: range to between 22.2 and 20.4 lbf.in (0.25 and 0.23 m.daN ) T
No specific
Torque wrench: range to between 313 and 264 lbf.in (3.54 and 2.98 m.daN ) T
TMHSD10-20-00
1
HOIST-ACCESSORY,IDG R I FOR CFM56-5
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.CP8002)
lockwire 0.032 in. (0.8 mm) dia
(Material No.03ABA1)
Synthetic base Lubricating Oil-Turbine Engine - -
(Material No.08BBB1)
Non Aqueous Cleaner-- Petroleum Based -
(Material No.14SBA1)
Textile-Lint free Cotton -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
436
FAN AND ACCESSORY GEARBOX
FOR [1000EM1] (ENGINE-1)
437AL, 438AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
42
O-RING
AIPC 24-21-51-03-010
44
O-RING
AIPC 24-21-51-03-020
2
PACKING
AIPC 24-21-51-05-030
5
PACKING
AIPC 24-21-51-05-060
15
PACKING
AIPC 24-21-51-05-080
17
PACKING
AIPC 24-21-51-05-100
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 12-13-24-612-041-A
Integrated Drive Generator (IDG) Servicing - Filling of the IDG with Oil or Addition of Oil after a Level Check
TASK 24-21-00-210-046-A
Check IDG Oil Level and Differential Pressure Indicator (DPI)
TASK 24-21-00-720-041-A
Operational Test of the Integrated Drive Generator (IDG) Disconnect and Reconnect (Reset) Function - Engine in Operation
TASK 24-21-00-730-040-A
System Test of the IDG Frequency (P/N 740119)
TASK 24-21-41-000-040-A
Removal of the Quick Attach/Detach (QAD) Adapter of the IDG
TASK 24-21-41-400-040-A
Installation of the Quick Attach/Detach (QAD) Adapter of the IDG
TASK 24-21-51-000-040-A
Removal of the Integrated Drive Generator - IDG 1(2)
TASK 24-21-51-400-040-A
Installation of the Integrated Drive Generator - IDG 1(2)
TASK 49-00-00-860-008-A
APU Start by External Power
TASK 49-00-00-860-008-A-01
APU Start by Batteries
TASK 49-00-00-860-009-A
APU Shutdown by External Power (131-9(A))
TASK 49-00-00-860-009-A-01
APU Shutdown by Batteries (131-9(A))
TASK 70-22-00-911-001-A
Locking Procedures
TASK 71-00-00-710-006-A
Minimum Idle Check
TASK 71-00-00-710-028-A
Engine Shutdown
TASK 71-13-00-010-040-A
Opening of the Fan Cowl Doors
TASK 71-13-00-410-040-A
Closing of the Fan Cowl Doors
F Integrated Drive Generator (IDG)
F Integrated Drive Generator (IDG)
F Integrated Drive Generator (IDG) - QAD Adaptor Allowance
3. Job Set-up
Subtask 24-21-51-860-052-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) On the center pedestal, on the ENG panel 115VU, make sure that a WARNING NOTICE(S) is in position to tell persons not to start the engine.
   (2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a WARNING NOTICE(S) is in position to tell persons not to energize the FADEC 1(2).
Subtask 24-21-51-865-054-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
FOR FIN: 4000XU (IDG) FOR FIN: 1000EM1 (ENGINE1)
122VUELEC/GCU/12XU1T26
122VUELEC/IDG1/DISC1XTT24
FOR FIN: 4000XU (IDG) FOR FIN: 1000EM2 (ENGINE2)
122VUELEC/GCU/22XU2T27
122VUELEC/IDG2/DISC2XTT25
Subtask 24-21-51-010-055-A ** ON A/C NOT FOR ALL
C. Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-040):
   (1) FOR [1000EM1] (ENGINE-1)
437AL, 438AR
   (2) FOR [1000EM2] (ENGINE-2)
447AL, 448AR
4. Procedure
WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
Subtask 24-21-51-640-052-A ** ON A/C NOT FOR ALL
A. Lubrication of the Consumable Materials and QAD Adapter
   (1) Lubricate the QAD adapter ring threads, lugs and the tension bolt (43) with the Synthetic base Lubricating Oil-Turbine Engine - - (Material No.03ABA1) .
   (2) Lubricate the new AIPC 24-21-51-03-010 O-RING (42) and AIPC 24-21-51-03-020 O-RING (44) with the Synthetic base Lubricating Oil-Turbine Engine - - (Material No.03ABA1) .
   (3) Lubricate the new AIPC 24-21-51-05-080 PACKING (15) and AIPC 24-21-51-05-100 PACKING (17) with the Synthetic base Lubricating Oil-Turbine Engine - - (Material No.03ABA1) .
   (4) Lubricate the new AIPC 24-21-51-05-030 PACKING (2) and AIPC 24-21-51-05-060 PACKING (5) with the Synthetic base Lubricating Oil-Turbine Engine - - (Material No.03ABA1) .
Subtask 24-21-51-420-059-A ** ON A/C NOT FOR ALL
B. Installation of the IDG to Engine Gearbox
F Integrated Drive Generator (IDG) ** ON A/C NOT FOR ALL
CAUTION: DO NOT USE EXTERNAL PARTS TO PULL OR LIFT THE IDG. IF YOU DO SO YOU CAN CAUSE DAMAGE TO THE IDG.
CAUTION: BE CAREFUL TO SUPPORT THE IDG CORRECTLY. YOU CAN CAUSE DAMAGE TO THE INPUT SEAL IF:
  • YOU LIFT THE IDG TOO MUCH
  • YOU DO NOT SUPPORT THE IDG SUFFICIENTLY.
CAUTION: MAKE SURE YOU INSTALL THE IDG CORRECTLY AND THE MATING SURFACES OF THE IDG AND GEARBOX ARE PARALLEL. IF THEY ARE NOT PARALLEL, YOU CAN CAUSE DAMAGE TO THE MATING PARTS.
   (1) Remove the protective cover from the IDG interface side of the gearbox.
   (2) Remove the IDG (1) from the plastic bag.
   (3) Install the O-ring (42) in the groove on the IDG splined shaft.
   (4) Install the O-ring (44) in the groove on the IDG (1) pilot diameter.
   (5) Put the IDG (1) on a TMHSD10-20-00 HOIST-ACCESSORY,IDG R I FOR CFM56-5.
   (6) Use the hoisting mechanism to have the IDG level with the mounting pad support.
Make sure that none of the weight is on the input shaft.
   (7) Turn the QAD tension bolt (43) to open the QAD ring (46). Align the mark on the QAD ring with the mark on the QAD engine-adapter plate.
   (8) Engage the lugs on the IDG in the openings in the QAD ring. To do this, align the " open-position " mark on the QAD with the opposite mark on the IDG.
   (9) TORQUE the QAD tension bolt to between 313 and 264 lbf.in (3.54 and 2.98 m.daN ) T.
   (10) Lightly hit the outer edge of the QAD adapter with a softface hammer.
   (11) Do a check of the tension bolt torque. The torque value must not decrease more than 24 lbf.in (0.27 m.daN).
   (12) Do again the procedure until the torque on the tension bolt is between 264 lbf.in (2.98 m.daN) and 313 lbf.in (3.54 m.daN).
   (13) Do a check of the distance between the ring lug and bracket of the QAD ring.
F Integrated Drive Generator (IDG) - QAD Adaptor Allowance ** ON A/C NOT FOR ALL
     (a) If the distance is less than 0.56 IN. (14.22 MM) minimum, remove and replace the IDG (Ref. AMM TASK 24-21-51-000-040) and (Ref. AMM TASK 24-21-51-400-040), and the QAD adapter (Ref. AMM TASK 24-21-41-000-040) and (Ref. AMM TASK 24-21-41-400-040).
   (14) Safety the QAD coupling with CP8002lockwire 0.032 in. (0.8 mm) dia (Ref. AMM TASK 70-22-00-911-001).
   (15) Remove the TMHSD10-20-00 HOIST-ACCESSORY,IDG R I FOR CFM56-5.
Subtask 24-21-51-020-062-A ** ON A/C NOT FOR ALL
C. Removal of the IDG Terminal Block Cover
   (1) Remove the screws (28), the washers (29) and the terminal block cover (27).
NOTE: Optional configuration, for easier access to the screws, operators can turn the IDG terminal block cover.
Remove the screws (28(A)), the washers (29(A)) and the terminal block cover (27(A)).
   (2) Remove the terminal nut (30) and the washer (31), or the terminal nut with captive washer (32).
Subtask 24-21-51-020-063-A ** ON A/C NOT FOR ALL
D. Removal of the Protections
   (1) If necessary, remove the shipping plugs (19) and (18) from the oil-in and oil-out bosses, and retain for subsequent use.
   (2) Remove the protective covers from the oil-in (13) and oil-out (12) lines.
Subtask 24-21-51-420-062-A ** ON A/C NOT FOR ALL
E. Installation of the Unions
   (1) Install the new packing (17) on the union (16) and the new packing (15) on the union (14).
   (2) Install the union (16) and TORQUE it to between 37.9 and 35.8 lbf.ft (5.14 and 4.85 m.daN ) T.
   (3) Install the union (14) and TORQUE it to between 35.4 and 33.3 lbf.ft (4.80 and 4.51 m.daN ) T.
Subtask 24-21-51-420-063-A ** ON A/C NOT FOR ALL
F. Installation of the Oil-in and Oil-out lines
CAUTION: USE TWO WRENCHES TO HOLD THE FITTINGS WHEN YOU TORQUE THE OIL-IN AND OIL-OUT LINES. IF NOT YOU CAN TRANSMIT TOO MUCH TORQUE TO THE IDG FITTINGS AND CAUSE DAMAGE TO THE IDG BOSSES.
   (1) Connect the oil lines (12) and (13) on their unions.
   (2) Use the two wrench procedure to hold and TORQUE the oil-in line (13) to between 83.3 and 75 lbf.ft (11.29 and 10.17 m.daN ) T.
   (3) Use the two wrench procedure to hold and TORQUE the oil-out line (12) to between 58.3 and 52.5 lbf.ft (7.90 and 7.12 m.daN ) T.
Subtask 24-21-51-020-064-A ** ON A/C NOT FOR ALL
G. Removal of the Pressure Fill Plug and Overflow Drain Plug
   (1) If necessary, cut and remove the lockwire from the pressure fill plug (11).
   (2) Remove the pressure fill plug (11) with the packing (10) from the lower pressure fill-port, and retain for subsequent use.
   (3) If necessary, cut and remove the lockwire from the overflow drain plug (9).
   (4) Remove the overflow drain plug (9) with the packing (8) from the lower port of the overflow drain, and retain for subsequent use.
Subtask 24-21-51-420-064-A ** ON A/C NOT FOR ALL
H. Installation of the Pressure Fill Half-Coupling
   (1) Install the new packing (5) on the pressure fill half-coupling (6).
   (2) Install the pressure fill half-coupling (6) in the pressure fill-port.
TORQUE the half-coupling to between 15 and 10 lbf.ft (2.03 and 1.36 m.daN ) T.
   (3) Install the dust cap (7) on the pressure fill half-coupling (6).
Subtask 24-21-51-420-065-A ** ON A/C NOT FOR ALL
I. Installation of the Overflow Drain half-coupling
   (1) Install the new packing (2) on the overflow drain half-coupling (3).
   (2) Install the overflow drain half-coupling (3) in the overflow drain-port.
TORQUE the half-coupling to between 25 and 20 lbf.ft (3.39 and 2.71 m.daN ) T.
   (3) Install the dust cap (4).
Subtask 24-21-51-160-050-A ** ON A/C NOT FOR ALL
J. Visual Inspection of the Receptacle and Plugs
   (1) Examine the electrical receptacle and plug (20), (21) and (22) for dirt inside connectors. If the connectors are dirties, clean them with a Textile-Lint free Cotton - (Material No.14SBA1) and Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) .
Subtask 24-21-51-420-066-A ** ON A/C NOT FOR ALL
K. Installation of the Phase Leads and Electrical Connectors
CAUTION: MAKE SURE THAT THE WASHER IS INSTALLED BETWEEN THE PHASE LEADS AND THE TERMINAL BLOCK. IF NOT, THE TERMINAL BLOCK WILL BURN LOCALLY BECAUSE OF RESISTANCE HEATING.
   (1) Install the phase leads (26) on the generator terminal block. Make sure that the N, T1, T2 and T3 wire labels agree with the terminal labels (N, T-1, T-2, T-3).
   (2) Install the washer (31) and the terminal nut with captive (30) on each terminal block stud. TORQUE the terminal nuts (30) to between 14 and 12 lbf.ft (1.90 and 1.63 m.daN ) T.
NOTE: Alternate configuration, install the terminal nut with captive washer (32) on each terminal block stud. TORQUE the terminal nut with captive washer (32) to between 14 and 12 lbf.ft (1.90 and 1.63 m.daN ) T.
   (3) Install the terminal block cover (27) or (27(A)). Attach then with the washers (29) or (29(A)) and the screws (28) or (28(A)).
   (4) TORQUE the screws to between 22.2 and 20.4 lbf.in (0.25 and 0.23 m.daN ) T.
   (5) Remove the connector protective caps (23), (24), (25) and retain for subsequent use.
   (6) Carefully connect the electrical harness to the three electrical connectors 4000XUC (20), 4000XUA (21), 4000XUB (22) of the IDG and tighten manually.
NOTE: On connector 4000XU-C, play is permitted.
Damage can occur if you try to tighten the connector too much to remove this play.
Subtask 24-21-51-612-052-A ** ON A/C NOT FOR ALL
L. IDG Oil Servicing
   (1) Do the IDG servicing operations (Ref. AMM TASK 12-13-24-612-041).
Subtask 24-21-51-865-055-A ** ON A/C NOT FOR ALL
M. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
FOR FIN: 4000XU (IDG) FOR FIN: 1000EM1 (ENGINE1)
122VUELEC/GCU/12XU1T26
122VUELEC/IDG1/DISC1XTT24
FOR FIN: 4000XU (IDG) FOR FIN: 1000EM2 (ENGINE2)
122VUELEC/GCU/22XU2T27
122VUELEC/IDG2/DISC2XTT25
Subtask 24-21-51-710-051-A ** ON A/C NOT FOR ALL
N. Operational Test of the IDG
   (1) Do an operational test of the IDG disconnect system (Ref. AMM TASK 24-21-00-720-041).
Subtask 24-21-51-720-052-A ** ON A/C NOT FOR ALL
O. Check for Oil Leaks and the Electrical Properties
   (1) Start engines 1 and 2 at minimum idle (Ref. AMM TASK 71-00-00-710-006).
   (2) Make sure that the IDG operates correctly:
On the lower ECAM DU, push the ELEC key to get the ELEC page on the lower ECAM DU:
  • Make sure that the voltage is 115 VAC.
  • Make sure that the frequency is 400 Hz, plus or minus 5 Hz. If the frequency is not in the limits, adjust the IDG frequency (Ref. AMM TASK 24-21-00-730-040).
NOTE: If the IDG has been removed after an IDG disconnection, do a GCU reset at first engine start at idle. To do this, on the ELEC control panel 35VU, push, then release the related ELEC/GEN pushbutton switch.
   (3) Do the switching test that follows:
ACTION
RESULT
1.On the APU section of the overhead control and indication panel 25VU:
  • Make sure that the APU MASTER SW pushbutton switch is released.
On the APU section of the overhead control and indication panel 25VU:
  • The ON legend of the APU MASTER SW pushbutton switch is off.
2.On the ELEC control panel 35VU:
  • Release the GEN1 pushbutton switch.
On the ELEC control panel 35VU:
  • The OFF legend of the GEN1 pushbutton switch comes on.
3.Wait for three minutes.


On the lower ECAM DU, on the ELEC page, make sure that there is a green line between:
  • The GEN2 and the AC2 busbar
  • The AC2 and the AC1 busbars, and
  • The AC1 and the AC ESS busbars.
4.On the ELEC control panel 35VU:
  • Push the GEN1 pushbutton switch.
On the ELEC control panel 35VU:
  • The OFF legend of the GEN1 pushbutton switch goes off.
5.On the ELEC control panel 35VU:
  • Release the GEN2 pushbutton switch.
On the ELEC control panel 35VU:
  • The OFF legend of the GEN2 pushbutton switch comes on.
6.Wait for three minutes.


On the lower ECAM DU, on the ELEC page, make sure that there is a green line between:
  • The GEN1 and the AC1 busbar
  • The AC1 and the AC2 busbar, and
  • The AC1 and the AC ESS busbars.
7.Start and operate the APU:
For the GTCP 36-300 (Ref. AMM D/O 49-00-00-86)
For the APS 3200 (Ref. AMM D/O 49-00-00-86)
For the 131-9(A) (Ref. AMM TASK 49-00-00-860-008)
On the lower ECAM DU, on the ELEC page, make sure that there is a green line between:
  • The AC ESS and the AC1 busbars
  • The APU GEN and the AC2 busbar, and
    Make sure that the parameters that follow are correct:
  • AC LOAD Percent shown in green,
  • AC V = 115 + or - 5V,
  • FRQ HZ = 400 + or - 10HZ.
8.On the ELEC control panel 35VU:
  • Push the GEN2 pushbutton switch.
On the ELEC control panel 35VU:
  • The OFF legend of the GEN2 pushbutton switch goes off.
   (4) Stop engines 1 and 2 (Ref. AMM TASK 71-00-00-710-028).
   (5) In the cockpit, on the ELEC panel 35VU:
     (a) Make sure that the EXT PWR pushbutton switch is pushed (OFF legend goes off).
   (6) Stop the APU:
For the GTCP 36-300 (Ref. AMM D/O 49-00-00-86)
For the APS 3200 (Ref. AMM D/O 49-00-00-86)
For the 131-9(A) (Ref. AMM TASK 49-00-00-860-009).
   (7) Make sure that there are no oil leaks.
   (8) Do a check of the oil level at the sight glass of the IDG (Ref. AMM TASK 24-21-00-210-046).
5. Close-up
Subtask 24-21-51-410-053-A ** ON A/C NOT FOR ALL
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-040):
     (a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
     (b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
   (3) Remove the WARNING NOTICE(S).
[Rev.10 from 2021] 2026.03.31 23:21:17 UTC
"Aviabrain" 2025