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
V2500-A5
Common Information
TASK 72-32-00-430-013-B00 LPC/Intermediate Case Module - Install The LPC Inlet Guide Vane Assembly, Assembly-013
General
This TASK gives the procedure to install the inlet guide vane assembly.
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 the approved engine oils, unless other lubricants are referred to in the procedure, refer to the SPM TASK 70-64-00-640-501.
The abbreviation Intf shows an interference or tight fit. This causes REJECT IF MORE THAN to become REJECT IF LESS THAN. The abbreviation Clear shows a clearance fit.
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.
The No. 1 strut, which is the top position strut of the fan frame, is identified by the five pressure tubes on the No. 1 strut leading edge.
NOTE
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| IAE 1J12530 Measuring stretch | 0AM53 | IAE 1J12530 | 1 | |
| IAE 1J12509 TBD | 0AM53 | IAE 1J12509 | 1 | |
| IAE 1J12510 TBD | 0AM53 | IAE 1J12510 | 1 |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 01-124 ISOPROPYL ALCOHOL | LOCAL | CoMat 01-124 | ||
| CoMat 04-004 JOINTING COMPOUND, LIGHT GRADE | LOCAL | CoMat 04-004 |
Spares
NONESafety Requirements
NONEProcedure
Refer to Figure.
Use a clean cloth made moist with CoMat 01-124 ISOPROPYL ALCOHOL to clean the mating faces.
NOTE
Install the inlet guide vane assembly on to the LP compressor front case before the jointing compound becomes dry.Apply CoMat 04-004 JOINTING COMPOUND, LIGHT GRADE to the mating faces with a soft brush.
SUBTASK 72-32-00-430-218 Apply Jointing Compound to the Mating Faces on the LP Compressor Front Case
Refer to Figure
Install the inlet guide vane assembly ENGINE-FAN OUTLET INNER VANE (72-32-91, 01-400) to the front case.
SUBTASK 72-32-00-430-219 Install the Inlet Guide Vane Assembly to the LP Compressor Front Case (Front Case)
Refer to Figure.
Install IAE 1J12530 Measuring stretch 1 off on to the stub shaft.
SUBTASK 72-32-00-430-220 Install the Measuring Stretch
NOTE
No. 1 bearing axial play causes the LP stub shaft to be moveable when the module is in horizontal position. The LP stub shaft must be at the rear position in the movement range for correct measurement of AA1. The LP stub shaft moves correctly to the rear end position if you push it by sufficient force.Apply force of 33 lbs (15 kg) or more than to push the LP stub shaft rearwards by hand until its movement stops. Continue pushing to keep the LP stub shaft in position until Step is completed.
Measure the dimension AA1 with the depth gage.
SUBTASK 72-32-00-220-106-A00 Measure the Module Interface Dimension for the Installation of the LP Compressor (Fan) Module (Pre SBE 72-0391)
NOTE
No. 1 bearing axial play causes the LP stub shaft to be moveable when the module is in horizontal position. The LP stub shaft must be at the rear position in the movement range for correct measurement of AA1. The LP stub shaft moves correctly to the rear end position if you push it by sufficient force.Apply force of 33 lbs (15 kg) or more than to push the LP stub shaft rearwards by hand until its movement stops. Continue pushing to keep the LP stub shaft in position until step (2) is completed.
Measure the dimension AA1 with the depth gage.
SUBTASK 72-32-00-220-106-B00 Measure the Module Interface Dimension for the Installation of the LP Compressor (Fan) Module (SBE 72-0391)
SBE 72-0391: New separate type No. 1 bearing support assembly.
NOTE
No. 1 bearing axial play causes the LP stub shaft to be moveable when the module is in horizontal position. The LP stub shaft must be at the rear position in the movement range for correct measurement of axial clearance. The LP stub shaft moves correctly to the rear end position if you push it by sufficient force.Apply force of 33 lbs (15 kg) or more than to push the LP stub shaft rearwards by hand until its movement stops. Continue pushing to keep the LP stub shaft in position until step (2) is completed.
Measure the axial clearance at 12, 3, 6 and 9 o'clock positions with IAE 1J12509 TBD 1 off and IAE 1J12510 TBD 1 off.
Measure the axial clearance between the inlet guide vane assembly and the LP compressor stage 1.5 blade at location 0618.
NOTE
This will make sure that the LP compressor booster stage assembly and the inlet guide vane assembly were installed to engine correctly in TASK 72-32-00-430-010-B00 and this TASK.Make sure that the axial clearance is between 0.5079 in. (12.90 mm) and 0.5708 in. (14.50 mm).
SUBTASK 72-32-00-220-107-A00 Make sure that the Axial Clearance Between the Inlet Guide Vane Assembly and the LP Compressor Stage 1.5 Blade are in the Limits given at Location 0618 (Pre SBE 72-0391)
NOTE
No. 1 bearing axial play causes the LP stub shaft to be moveable when the module is in horizontal position. The LP stub shaft must be at the rear position in the movement range for correct measurement of axial clearance. The LP stub shaft moves correctly to the rear end position if you push it by sufficient force.Apply force of 33 lbs (15 kg) or more than to push the LP stub shaft rearwards by hand until its movement stops. Continue pushing to keep the LP stub shaft in position until Step is completed.
Measure the axial clearance at 12, 3, 6 and 9 o'clock positions with IAE 1J12509 TBD 1 off and IAE 1J12510 TBD 1 off.
Measure the axial clearance between the inlet guide vane assembly and the LP compressor stage 1.5 blade at location 0618.
NOTE
This will make sure that the LP compressor booster stage assembly and the inlet guide vane assembly were installed to engine correctly in TASK 72-32-00-430-010-B00 and this TASK.Make sure that the axial clearance is between 0.5264 in. (13.37 mm) and 0.5893 in. (14.97 mm).
SUBTASK 72-32-00-220-107-B00 Make sure that the Axial Clearance Between the Inlet Guide Vane Assembly and the LP Compressor Stage 1.5 Blade are in the Limits given at Location 0618 (SBE 72-0391)
SBE 72-0391: New separate type No. 1 bearing support assembly
Figure: Measure the axial clearance at location 0618
Measure the axial clearance at location 0618

Figure: Apply jointing compound to the mating faces on the LP compressor front case
Apply jointing compound to the mating faces on the LP compressor front case

Figure: Install the inlet guide vane on to the LP compressor front case
Install the inlet guide vane on to the LP compressor front case

Figure: Measure the module interface dimension for the installation of the LP compressor (fan) module
Sheet 1

Figure: Measure the module interface dimension for the installation of the LP compressor (fan) module
Sheet 2

Figure: Measure the axial clearance between the inlet guide vane assembly and the LP compressor stage 1.5 blade
Measure the axial clearance between the inlet guide vane assembly and the LP compressor stage 1.5 blade

