Export Control
EAR Export Classification: Not subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3), except for the following Service Bulletins which are currently published as EAR Export Classification 9E991: SBE70-0992, SBE72-0483, SBE72-0580, SBE72-0588, SBE72-0640, SBE73-0209, SBE80-0024 and SBE80-0025.Copyright
© IAE International Aero Engines AG (2001, 2014 - 2021) The information contained in this document is the property of © IAE International Aero Engines AG and may not be copied or used for any purpose other than that for which it is supplied without the express written authority of © IAE International Aero Engines AG. (This does not preclude use by engine and aircraft operators for normal instructional, maintenance or overhaul purposes.).Applicability
All
Common Information
TASK 72-00-60-420-001-002 External Gearbox Module - Install The External Gearbox Module - Method 2, Installation-002
General
Fig/item numbers in parentheses in the procedure agree with those used in the IPC. Only the primary Fig/item numbers are used. For the service bulletin alpha variants refer to the IPC.
For all parts identified in a different Chapter/Section/Subject, the applicable Chapter/Section/Subject comes before the Fig/item number.
For standard torque data and procedures, refer to the SPM TASK 70-41-00-400-501 and SPM TASK 70-41-02-400-501.
Special torque data and assembly tolerances are included in the procedure.
Lubricate all threads and abutment faces of nuts and bolts with CoMat 10-077 APPROVED ENGINE OILS, unless other lubricants are referred to in the procedure.
To identify, lubricate and install seal rings, refer to the SPM TASK 70-44-01-400-501.
Lightly lubricate the threads and abutment faces of the hydraulic system tube/hose nuts, unions and couplings with the hydraulic fluid used in the aircraft hydraulic system.
After assembly apply CoMat 07-012 AIR DRYING ENAMEL to any damaged surface protection, joint flanges and attach parts. Use the correct color of the air drying enamel. Refer to the SPM TASK 70-38-06-380-501 .
The number for each radial location must be identified in a clockwise direction. These start at the engine top position when you look from the rear of the engine, unless stated differently in the procedure.
Transportation covers/blanks must be removed immediately before the installation of the components.
NOTE
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| IAE 1F10011 Handling fixture | 0AM53 | IAE 1F10011 | 2 | |
| IAE 1F10012 Pusher (installation) | 0AM53 | IAE 1F10012 | 1 | |
| IAE 1F10412 Puller | 0AM53 | IAE 1F10412 | ||
| IAE 1F10021 Storage stand | 0AM53 | IAE 1F10021 | 1 | |
| IAE 1F10022 Hydraulic jack | 0AM53 | IAE 1F10022 | 1 | |
| IAE 1F10023 Gearbox adapter | 0AM53 | IAE 1F10023 | 1 | |
| IAE 1F10026 Hydraulic hand pump | 0AM53 | IAE 1F10026 | 1 | |
| IAE 1F10044 Driver (installation) | 0AM53 | IAE 1F10044 | 1 | |
| Removal/Installation Tool | LOCAL | S888IDG |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 02-126 LOCKWIRE | K6835 | CoMat 02-126 | ||
| CoMat 02-147 LOCKWIRE | LOCAL | CoMat 02-147 | ||
| CoMat 07-012 AIR DRYING ENAMEL | 0AM53 | CoMat 07-012 | ||
| CoMat 10-077 APPROVED ENGINE OILS | X333X | CoMat 10-077 | ||
| CoMat 10-094 ANTI-SEIZE COMPOUND, PURE Ni-SPECIAL | K2147 | CoMat 10-094 |
Spares
Safety Requirements
NONEProcedure
Examine the LP compressor/intermediate case module at interface G-32. Refer to TASK 72-00-32-220-005.
Examine the external gearbox module at interface G-60. Refer to TASK 72-00-60-220-001.
SUBTASK 72-00-60-210-052 Examine the Module Interfaces
Refer to Figure.

WARNING
DO NOT TOUCH THE HOT PARTS WITHOUT PROTECTIVE GLOVES.HOT PARTS CAN CAUSE REDDENING AND BLISTERING OF THE SKIN IF THE HANDS ARE NOT PROTECTED.IMMERSE THE CONTACTED AREA IN COLD WATER FOR 10 MINUTES IF THE SKIN IS BURNED. IMMEDIATELY GET MEDICAL ATTENTION IF PAIN OR BLISTERING PERSISTS.Increase the temperature of one end of the right hand link to 250 deg F (121 deg C) maximum. Use an hot gun.
Lubricate the pin (01-160) with CoMat 10-077 APPROVED ENGINE OILS. Install the pin into the hole on the front lug and push through the spherical bearing and the rear lug.
Put IAE 1F10044 Driver (installation) 1 off through the hole on the pin flange and install into the hole on the front lug.
Install the hexagonal head screw of IAE 1F10012 Pusher (installation) 1 off through the pin and the rear lug.
Do the subsequent operations if the installation of the pin is not easy by hand.
Refer to Figure.
Install the three front links to the gearbox.

WARNING
DO NOT TOUCH THE HOT PARTS WITHOUT PROTECTIVE GLOVES.HOT PARTS CAN CAUSE REDDENING AND BLISTERING OF THE SKIN IF THE HANDS ARE NOT PROTECTED.IMMERSE THE CONTACTED AREA IN COLD WATER FOR 10 MINUTES IF THE SKIN IS BURNED. IMMEDIATELY GET MEDICAL ATTENTION IF PAIN OR BLISTERING PERSISTS.Increase the temperature of one end of the rear link to 250 deg F (121 deg C) maximum. Use an hot gun.
Lubricate the pin (01-280) with CoMat 10-077 APPROVED ENGINE OILS. Install the pin into the hole on the front lugs and push through the spherical bearing and the rear lug.
Fully install the bolt of IAE 1F10412 Puller 1 off into the threaded bolt hole of the pin.
Do the subsequent operations if the installation of the pin is not easy by hand.
Install the rear link to the gearbox.

WARNING
DO NOT TOUCH THE HOT PARTS WITHOUT PROTECTIVE GLOVES.HOT PARTS CAN CAUSE REDDENING AND BLISTERING OF THE SKIN IF THE HANDS ARE NOT PROTECTED.IMMERSE THE CONTACTED AREA IN COLD WATER FOR 10 MINUTES IF THE SKIN IS BURNED. IMMEDIATELY GET MEDICAL ATTENTION IF PAIN OR BLISTERING PERSISTS.Increase the temperature of the free end of the right hand link to 250 deg F (121 deg C) maximum. Use a hot gun.
Lubricate the pin (01-140) with CoMat 10-077 APPROVED ENGINE OILS. Install the pin into the hole of the front bracket. Align the hole on the pin flange with the hole of the bracket. Safety the pin with the bolt.
Put IAE 1F10044 Driver (installation) 1 off through the hole of the pin flange and install it in the hole of the front lug.
Install the hexagonal head screw of IAE 1F10012 Pusher (installation) 1 off through the pin and the rear bracket.
Do the subsequent operations if the installation of the pin is not easy by hand.
Install the brackets on the three front links.

WARNING
DO NOT TOUCH THE HOT PARTS WITHOUT PROTECTIVE GLOVES.HOT PARTS CAN CAUSE REDDENING AND BLISTERING OF THE SKIN IF THE HANDS ARE NOT PROTECTED.IMMERSE THE CONTACTED AREA IN COLD WATER FOR 10 MINUTES IF THE SKIN IS BURNED. IMMEDIATELY GET MEDICAL ATTENTION IF PAIN OR BLISTERING PERSISTS.Increase the temperature of the free end of the rear link to 250 deg F (121 deg C) maximum. Use a hot gun.
Lubricate the pin (01-260) with CoMat 10-077 APPROVED ENGINE OILS. Install the pin through the hole of the spherical bearing of the link. Push until the pin protrudes in equal measures from both sides of the spherical bearing.
Install the brackets on the rear link.
SUBTASK 72-00-60-420-057 Install the Support Link Assemblies to the External Gearbox
Remove the two nuts and washers from the crank cover. Remove the crank cover from the front of the external gearbox. Discard the packing. Refer to Figure.
Lubricate with CoMat 10-077 APPROVED ENGINE OILS the mating diameter of the angle gearbox casing.
Lubricate with CoMat 10-077 APPROVED ENGINE OILS a new LP Compressor (LPC) - Intermediate Structure Module (72-32-00, 01-154) ring 1 off. Install the ring on the PTO shaft seal tube. Refer to Figure.
SUBTASK 72-00-60-420-098 Prepare for the External Gearbox Module Installation
Install, if necessary, IAE 1F10026 Hydraulic hand pump 1 off on IAE 1F10022 Hydraulic jack 1 off and connect the hose.
Operate the hydraulic pump to lift the hydraulic jack. Remove the external gearbox from the IAE 1F10021 Storage stand 1 off.
SUBTASK 72-00-60-420-058 Move the External Gearbox Below the Intermediate Case
NOTE
The external gearbox is installed on IAE 1F10021 Storage stand storage stand with IAE 1F10023 Gearbox adapter handling adapter and IAE 1F10011 Handling fixture.Refer to Figure.
Attach the front center link to the intermediate case flange.
Refer to Figure.
Attach the right hand link to the intermediate case flange.
Refer to Figure.
Attach the rear link to the intermediate case flange.
Refer to Figure.
SUBTASK 72-00-60-420-059 Attach the External Gearbox to the Intermediate Case
Refer to Figure.
SUBTASK 72-00-60-420-060 Remove the External Gearbox Support Tooling
Refer to Figure.
Install the oil scavenge pump assembly, Refer to TASK 72-00-60-450-007.
SUBTASK 72-00-60-450-051 Install the Oil Scavenge Pump Assembly
Refer to Figure.
Install OIL-OIL TANK (79-11-41, 01-058) packing1 off into the groove on the oil tank flange.
Lubricate with CoMat 10-077 APPROVED ENGINE OILS the oil tank seat on the gearbox casing.
SUBTASK 72-00-60-450-052 Install the Oil Tank
Refer to Figure.
Install the new Gearbox Scavenge Oil Tubes (79-22-48, 05-530 andV2500-A5-79-22-48-22A-941A-D 79-22-489, 05-560)Gearbox Scavenge Oil Tubes packings 1 off on the oil feed tube 180.
Lubricate the oil feed tube mating faces on the scavenge oil filter housing assembly and the oil tank assembly with CoMat 10-077 APPROVED ENGINE OILS.
Attach the oil feed tube (180) on the scavenge oil filter housing assembly with the three bolts Gearbox Scavenge Oil Tubes (79-22-48, 05-510) and the three washers OIL-SCAVENGE OIL TUBES-ENGINE (79-22-49, 05-520).
Install the new Gearbox Scavenge Oil Tubes (79-22-48, 03-130 and Gearbox Scavenge Oil Tubes 79-22-48, 03-160) packings on the oil tube.
Lubricate the oil feed tube mating faces on the scavenge oil filter housing assembly and the oil scavenge pump with CoMat 10-077 APPROVED ENGINE OILS.
Attach the oil tube (179) on the scavenge oil filter assembly with the three bolts Gearbox Scavenge Oil Tubes (79-22-48, 03-140) and the three washers Gearbox Scavenge Oil Tubes (79-22-48, 03-150).
Install the oil tubes 179 and 180 on the scavenge oil filter.
Install the Gearbox Scavenge Oil Tubes (79-22-48, 05-470) bracket, the washer Gearbox Scavenge Oil Tubes (79-22-48, 05-550) and the three Gearbox Scavenge Oil Tubes (79-22-48, 05-540) bolts.
Install the washers Gearbox Scavenge Oil Tubes (79-22-48, 03-120) and the bolts Gearbox Scavenge Oil Tubes (79-22-48, 03-110).
Install the three washers Scavenge Oil Filter Housing (79-22-43, 01-054) and the three bolts Scavenge Oil Filter Housing (79-22-43, 01-052).
TORQUE the Scavenge Oil Filter Housing (79-22-43, 01-052) bolts to between 85 and 95 lbfin (0.96 to 1.07 mdaN) (Refer to TASK 70-41-01-400-501).
TORQUE the bolts Gearbox Scavenge Oil Tubes (79-22-48, 05-540), Gearbox Scavenge Oil Tubes (79-22-48, 03-110), Gearbox Scavenge Oil Tubes (79-22-48, 03-140) and Gearbox Scavenge Oil Tubes (79-22-48, 05-510) to between 85 and 95 lbfin (0.96 and 1.07 mdaN).
Install the scavenge oil filter assembly on the oil tank.
SUBTASK 72-00-60-450-053 Install the Oil Scavenge Filter Housing Assembly and the Oil Feed Tubes (180 and 179)
Refer to Figure.
Lubricate a new Fuel Pumps (73-12-41, 01-135) sealing ring 1 off with clean CoMat 10-077 APPROVED ENGINE OILS and install it on the adapter housing.
Install the Fuel Pumps (73-12-41, 01-080) bracket and the four washers and six bolts.
Install the fuel pump. Refer to TASK 72-00-60-450-008.
SUBTASK 72-00-60-450-054 Install the Fuel Pump
Install the fuel metering unit on the fuel pump. Refer to TASK 72-00-60-450-002.
SUBTASK 72-00-60-450-055 Install the Fuel Metering Unit onto the Fuel Pump
Refer to Figure.
Install the new ELECTRICAL POWER-IDG QAD COUPLING (24-21-41, 01-020) gasket 1 off to the gearbox accessory mounting pad.
Apply CoMat 10-094 ANTI-SEIZE COMPOUND, PURE Ni-SPECIAL and install the QAD attaching bolts ELECTRICAL POWER-IDG QAD COUPLING (24-21-41, 01-030) 8 off.
NOTE
Turn the QAD tension bolt to align a white line (Open position mark) on the QAD ring with the open position mark on the QAD adapter plate.Torque the screw to between 348 to 384 lbfin (39.3 to 43.4 Nm) for the QAD Adapter ELECTRICAL POWER-IDG QAD COUPLING (24-21-41, 01-010) and ELECTRICAL POWER-IDG QAD COUPLING (24-21-41, 01-010A). Torque the screw to between 324 and 348 lbfin (36.6 to 39.3 Nm) for QAD Adapter ELECTRICAL POWER-IDG QAD COUPLING (24-21-41, 01-010B).
SUBTASK 72-00-60-450-056 Install the IDG QAD Coupling
Refer to Figure.
Lightly lubricate the new packing ELECTRICAL POWER-INTEGRATED DRIVE GENERATOR (24-21-51, 02-114) with CoMat 10-077 APPROVED ENGINE OILS and install it on the coupling ELECTRICAL POWER-INTEGRATED DRIVE GENERATOR (24-21-51, 02-110). Install the coupling in the IDG and torque to 500 to 600 lbfin. (56.5 to 67.8 Nm).
Lightly lubricate the new packing ELECTRICAL POWER-INTEGRATED DRIVE GENERATOR (24-21-51, 02-506) with CoMat 10-077 APPROVED ENGINE OILS and install it on the coupling ELECTRICAL POWER-INTEGRATED DRIVE GENERATOR (24-21-51, 02-502). Install the coupling in the IDG and torque to 320 to 380 lbfin. (36.2 to 42.9 Nm).
Safety the couplings ELECTRICAL POWER-INTEGRATED DRIVE GENERATOR (24-21-51, 02-110) and ELECTRICAL POWER-INTEGRATED DRIVE GENERATOR (24-21-51, 02-502) with CoMat 02-126 LOCKWIRE. Refer to the SPM TASK 70-42-05-400-501.
Lightly lubricate the new packing ELECTRICAL POWER-INTEGRATED DRIVE GENERATOR (24-21-51, 01-045) with CoMat 10-077 APPROVED ENGINE OILS and put it on the overflow drain valve ELECTRICAL POWER-INTEGRATED DRIVE GENERATOR (24-21-51, 01-050). Install the overflow drain valve on the IDG and torque 280 to 305 lbfin (31.6 to 34.5 Nm). Put the dust cap ELECTRICAL POWER-INTEGRATED DRIVE GENERATOR (24-21-51, 01-040) on the overflow drain valve.
Lightly lubricate the new packing ELECTRICAL POWER-INTEGRATED DRIVE GENERATOR (24-21-51, 01-058) with CoMat 10-077 APPROVED ENGINE OILS and put it on the pressure-fill valve ELECTRICAL POWER-INTEGRATED DRIVE GENERATOR (24-21-51, 01-060). Install the pressure-fill valve on the IDG and torque 120 to 150 lbfin (13.6 to 16.9 Nm). Put the dust cap ELECTRICAL POWER-INTEGRATED DRIVE GENERATOR (24-21-51, 01-055) on the overflow drain valve.
Safety the overflow drain valve and the pressure-fill valve with CoMat 02-147 LOCKWIRE. Refer to the SPM TASK 70-42-05-400-501.
SUBTASK 72-00-60-450-157 Install the IDG Cooling Tubes Overflow, Pressure Couplings, Overflow Drain Valves and Pressure-Fill Valve
Refer to Figure.
Install new ELECTRICAL POWER-INTEGRATED DRIVE GENERATOR (24-21-51, 01-020 and ELECTRICAL POWER-INTEGRATED DRIVE GENERATOR 24-21-51, 01-030) packings left onto the IDG.
Lubricate these components with CoMat 10-077 APPROVED ENGINE OILS:
- the packing ELECTRICAL POWER-INTEGRATED DRIVE GENERATOR (24-21-51, 01-020)
- the packing ELECTRICAL POWER-INTEGRATED DRIVE GENERATOR (24-21-51, 01-030)
- the IDG drive shaft
- the Qad coupling
Make sure that the torque has not decreased by more than 24 lbfin (0.31 mdaN) from that in Step.
Make sure that the torque value of the QAD coupling is between the limits given in Step.
Safety the QAD coupling with CoMat 02-147 LOCKWIRE.

CAUTION
INSTALL THE IDG IN A STRAIGHT LINE. THE INPUT SHAFT CAN CATCH AND CAUSE DAMAGE TO THE INPUT SHAFT SEAL.
CAUTION
DO NOT USE EXTERNAL PARTS OR TOOLS TO ALIGN THE IDG ON THE GEARBOX. THEY CAN CAUSE DAMAGE TO THE IDG AND THE GEARBOX.
CAUTION
MAKE SURE THAT THE IDG INPUT SHAFT DOES NOT HANG ON THE GEARBOX OUTPUT SHAFT. DAMAGE TO THE SHAFTS AND THE SEALS CAN OCCUR.Install the IDG as follows:
Remove the Removal/Installation Tool 1 off.
Install the IDG wire harness. Refer to TASK 72-00-32-420-004-A00, TASK 72-00-32-420-004-B00, TASK 72-00-32-420-004-C00 or TASK 72-00-32-420-004-D00.
SUBTASK 72-00-60-450-057 Install the Integrated Drive Generator
Install the oil pressure pump and filter assembly. Refer to TASK 72-00-60-450-003.
SUBTASK 72-00-60-450-058 Install the Oil Pressure Pump and Filter Assembly
Please refer to TASK 71-00-02-400-009, SUBTASK 71-00-02-450-011 .
SUBTASK 72-00-60-450-059 Install the Hydraulic Pump
V2500-A1 Install the dedicated alternator stator, refer to TASK 72-00-60-450-001-A00.
V2500-A5 Install the dedicated alternator stator, refer to TASK 72-00-60-450-001-B00.
SUBTASK 72-00-60-450-060 Install the Dedicated Alternator Stator
Refer to Figure.
Install the pneumatic starter, refer to TASK 72-00-60-450-009.
SUBTASK 72-00-60-450-061 Install the Pneumatic Starter
V2500-A1 Install the remaining tubes and electrical harnesses to the external gearbox, refer to TASK 72-00-60-420-002-A00.
V2500-A5 Install the remaining tubes and electrical harnesses to the external gearbox, refer to TASK 72-00-60-420-002-B00.
SUBTASK 72-00-60-420-099 Install the Gearbox Dressing
Do the oil static leak check, refer to TASK 71-00-00-700-004.
SUBTASK 72-00-60-790-054 Do the Oil System Static Leak Check
Fill the oil tank with new CoMat 10-077 APPROVED ENGINE OILS until the tank is full.
Replace OIL-OIL TANK (79-11-41, 01-760) packing 1 off of the cap if the cuts or other defects are found.
Install the oil tank cap.
SUBTASK 72-00-60-610-052 Fill the Oil Tank and the Engine Oil System
Refer to TASK 71-00-00-700-001.
SUBTASK 72-00-60-790-052 Do the Dry Motor Leak Check
Figure: Installation of the Support Link Assemblies to the External Gearbox
Sheet 1

Figure: Installation of the Support Link Assemblies to the External Gearbox
Sheet 2

Figure: Installation of the External Gearbox to the Intermediate Case
Sheet 1

Figure: Installation of the External Gearbox to the Intermediate Case
Sheet 2

Figure: Installation of the External Gearbox to the Intermediate Case
Sheet 3

Figure: External Gearbox Support Tooling
Sheet 1

Figure: External Gearbox Support Tooling
Sheet 2

Figure: Removal/Installation of the Crank Cover
Removal/Installation of the Crank Cover

Figure: Installation of the Oil Scavenge Pump
Installation of the Oil Scavenge Pump

Figure: Installation of the Oil Tank
Installation of the Oil Tank

Figure: Installation to the Scavenge Filter
Installation to the Scavenge Filter

Figure: Installation of the Fuel Pump
Installation of the Fuel Pump

Figure: Installation of the IDG QAD Coupling
Installation of the IDG QAD Coupling

Figure: Installation of the Integrated Drive Generator
Installation of the Integrated Drive Generator

Figure: Installation of the Starter
Installation of the Starter

Figure: Installation of the Hydraulic Pump
Installation of the Hydraulic Pump

