* * * FOR ALL
TASK 72-00-02-430-814
1 . General.
A.This procedure gives instructions to continue the assembly of the propulsor module assembly (propulsor assembly). Refer to Figure 1001.
•
Propulsor assembly (30-020 , 72-00-00) (SIN 0010C)
•
Propulsor assembly (30-021 , 72-00-00) (SIN 0010C) (SB 72-0161) (Propulsor Module - PIP2 Configuration)
•
Propulsor assembly (30-022 , 72-00-00) (SIN 0010C) (SB 72-0161) (Propulsor Module - PIP2 Configuration)
•
Propulsor assembly (30-023 , 72-00-00) (SIN 0010C) (SB 79-0018).
B.This procedure starts with the fan hub module (25-010) (SIN 00102), or (25-011) (SIN 00102), or (25-012) (SIN 00102), high pressure compressor (HPC) module (33-009) (SIN 00108) or (33-010) (SIN 00108) or (33-011) (SIN 00108) or (33-012) (SIN 00108), combustor diffuser nozzle (CDN) assembly (33-019) (SIN 0010A), or (33-020) (SIN 0010A), or (33-021) (SIN 0010A), or (33-021B) (SIN 0010A), and high pressure turbine (HPT) module in the horizontal position, installed in the 11C3044   adapter assembly, attached to the customer overhead rail system, or supported by the 11C3281   pedestals. Refer to Figure 1002 and Figure 1003.
NOTE:
The HPT module includes the HPT rotor assembly (34-020) (SIN 15000) or (34-021) (SIN 15000), HPT stage 2 nozzle assembly (34-010) (SIN 17400) or (34-011) (SIN 17400) or (34-012) (SIN 17400), and turbine center frame (TCF) assembly:
•
TCF assembly (35-009) (SIN 92500) - SB 72-0120
•
TCF assembly (35-010) (SIN 92500)
•
TCF assembly (35-011) (SIN 92500) - SB 72-0040
•
TCF assembly (35-012) (SIN 92500) - SB 72-0040
•
TCF assembly (35-015) (SIN 92500) - SB 72-0121.
C.Follow the instructions to safety parts with a safety wire, safety cable, cotter pins, or tab washers. Refer to TASK 70-11-00-400-001 (FASTENER RETENTION PROCEDURES) .
2 . Tools, Equipment, and Materials.
NOTE:
You can use equivalent alternatives for tools, equipment, and consumable materials.
A.Tools and Equipment.
(1)Special Tools.
 
Tool No.
Description
 
11C3039G02
Bracket Set, Forward Propulsor, Ground Handling and Shipping (bracket set)
 
11C3044G01
Adapter Assembly, Overhead Support - Engine Modules (adapter assembly)
 
11C3055G03
Rotor Lock - Aft, HPT rotor (rotor lock)
 
11C3057G02
Fixture, Lift/Turn - Fan Hub Frame (fan frame lift/turn fixture)
 
11C3144G01
Adapter, Torque - Spanner Nut, Inner Race No. 4 Bearing (torque adapter)
 
11C3267G01
Fixture, Install/Remove - Heat Shield, HP Turbine Rotor (heatshield install/remove fixture)
 
11C3281G02
Bracket Set, Support - Main Engine, FHF (pedestals)
 
11C3281G03
Bracket Set, Support - Main Engine, TCF (pedestals)
 
11C4430G02
Bracket Set, Forward Propulsor, Ground Handling and Shipping (bracket set)
 
NOTE:
Tool 11C4430G02 is alternative to 11C3039G02.
 
11C4517G02
Deleted
 
9429M25G01
Plate, Torque Adapter - Install/Remove (torque adapter plate)
(2)Standard Tools and Equipment.
 
Description
Manufacturer
 
Customer Overhead Rail System
Locally Used
 
Heat Gun
Local Purchase
 
Nylon Strap
Local Purchase
 
Overhead Hoist
Local Purchase
 
Sweeney No. 8200 Torque Multiplier (torque multiplier)
Hydratight Sweeney 7330 South Alton Way Street O Denver, CO 80112-2311
(3)Locally Manufactured Tools. None.
B.Consumable Materials.
 
Code No.
Description
 
C01-119
Tape
 
C02-058
Compound, Thread Lubricating (lubricant)
 
C04-002
Solvent, General (Stoddard solvent)
 
C04-231
Solvent, Blend (solvent)
 
C05-003
Marking Pen (pen)
 
C04-035
Solvent, General (isopropyl alcohol)
 
C10-071
Safety Wire, 0.020 or 0.032 in. dia. (safety wire)
C.Referenced Procedures.
 
ATA No.
Description
 
70-11-00
Fastener Retention Procedures
 
72-00-02
Assembly 004
 
72-00-04
Installation 001
 
72-00-22
Installation 001
 
72-00-23
Installation 001
 
72-00-24
Installation 001
D.Expendable Parts.
 
CSN
Description
 
35-330
Self-Locking Nut
 
35-340
Deleted
* * * FOR ALL
Figure 1001   Propulsor Assembly
* * * FOR ALL
Figure 1002   Propulsor Assembly Installed in the Adapter Assembly, 11C3044
* * * FOR ALL
* * * FOR ALL
Figure 1003   Propulsor Assembly in Horizontal Position
3 . Procedure.
Subtask 72-00-02-420-031
* * * FOR ALL
A.Install the No. 2 bearing assembly (20-030). Refer to TASK 72-00-24-420-802 (72-00-24, Installation 001).
Subtask 72-00-02-420-032
* * * FOR ALL
B.Install the No. 1 bearing assembly (20-020). Refer to TASK 72-00-23-420-801 (72-00-23, Installation 001).
Subtask 72-00-02-420-033
* * * FOR ALL
C.Install the fan booster assembly (20-010) (SIN 80000) or (20-011) (SIN 80000). Refer to TASK 72-00-22-420-801 (72-00-22, Installation 001).
Subtask 72-00-02-110-001
* * * FOR ALL
D.Install the No. 4 bearing nut (35-420) (SIN 01402) on the stage 1 HPT rotor (01-280 , 72-53-00) (SIN 150A1) or (02-280 , 72-53-00) (SIN 150A1). Refer to Figure 1004 and do as follows:
WARNING:
STODDARD SOLVENT IS TOXIC AND FLAMMABLE. USE PERSONAL PROTECTION EQUIPMENT. USE IN A WELL-VENTILATED AREA.
WARNING:
ISOPROPYL ALCOHOL IS TOXIC AND FLAMMABLE. USE PERSONAL PROTECTION EQUIPMENT. USE IN A WELL-VENTILATED AREA.
(1)Use C04-035  isopropyl alcohol, C04-002  Stoddard solvent, or C04-231  solvent to clean the threads and mating faces of the No. 4 bearing nut (35-420) (SIN 01402), the threads of the stage 1 HPT rotor disk (01-280 , 72-53-00) (SIN 150A1) or (02-280 , 72-53-00) (SIN 150A1), and the mating faces of the rotating air seal (35-400) (SIN 01408).
Subtask 72-00-02-640-026
* * * FOR ALL
WARNING:
REFER TO THE PRODUCT LABEL AND THE MANUFACTURER’S (MATERIAL) SAFETY DATA SHEET (SDS) FOR INSTRUCTIONS ON THE HAZARDS, STORAGE, SAFE HANDLING AND PROPER USE OF THIS PRODUCT.
(2)Apply C02-058  lubricant to the threads and mating faces of the No. 4 bearing nut (35-420) (SIN 01402).
Subtask 72-00-02-430-700
* * * FOR ALL
NOTE:
(HES)This procedure doesn’t call out for installation of item 18 and Item 3 of tool 11C3055. This is confirmed as an error. Refer to Case #02116004.
(3)Carefully thread the No. 4 bearing nut on the aft shaft of the stage 1 HPT rotor disk (01-280 , 72-53-00) (SIN 150A1) or (02-280 , 72-53-00) (SIN 150A1).
(4)Install the 11C3055   rotor lock as follows. Refer to Figure 1005.
(a)Put a leverage bar through the 1.0 inch (25 mm) diameter holes at the aft end of the threaded tube (item 18).
(b)Thread the forward end of the threaded tube (item 18) into the aft end of the stage 1 HPT rotor disk.
(c)Remove the leverage bar from the threaded tube (item 18).
(d)Attach an approved overhead hoist to the hoist ring (item 11) on the restraint frame (item 19).
WARNING:
ALWAYS USE APPROVED EQUIPMENT AND PROCEDURES TO LIFT PARTS. STAY OUT FROM BELOW LOADS. IF THE PARTS ACCIDENTALLY MOVE OR FALL, THEY CAN CAUSE AN INJURY OR KILL YOU.
(e)Lift the 11C3055   rotor lock and adjust the restraint frame (item 19) to the center with the aft end of the threaded tube (item 18).
(f)Align the holes on the restraint frame (item 19) with the studs on the TCF assembly.
(g)Remove the overhead hoist from the hoist ring (item 11).
(h)Install the captive nuts (item 8) equally spaced on the studs of the TCF assembly.
(i)Torque the captive nuts (item 8) in a criss-cross pattern to 10 lb ft (13.56 N.m).
(j)Install the captive nut retainers (nut retainer) (item 7) above the captive nuts (item 8) and secure to the restraint fixture (item 2) with the capscrews (item 16).
(k)Install the axial locknut (item 9) to the aft end of the threaded tube (item 18). Do not tighten.
(l)Put the anti-torque tube (item 3) in the inner side of the threaded tube (item 18) until the slots engage in the stage 1 HPT rotor disk.
(m)Put the adapter pins (item 10) in the anti-torque tube (item 3) and thread into the restraint frame (item 19). There must be a 0.125 inch (3.18 mm) gap between the anti-torque tube (item 3) and the restraint frame (item 19) when the adapter pins (item 10) are installed.
(n)Tighten the axial locknut (item 9) with a spanner wrench.
(o)Attach the two segments of the clamp ring (item 5) to the restraint frame (item 19) with the capscrews (item 15).
(p)Torque the capscrews (item 15) to 120 lb in. (13.56 N.m).
* * * FOR ALL
Figure 1004   Installation of the No. 4 Bearing Nut
* * * FOR ALL
Figure 1005   Installation of the Rotor Lock, 11C3055 on the Stage 1 HPT Rotor Shaft
Subtask 72-00-02-430-701
* * * FOR ALL
(5)Install the 9429M25   torque adapter plate on the 11C3055   rotor lock and secure. Refer to Figure 1006.
(6)Install the 11C3144   torque adapter on the 11C3055   rotor lock as follows.
WARNING:
ALWAYS USE APPROVED EQUIPMENT AND PROCEDURES TO LIFT PARTS. STAY OUT FROM BELOW LOADS. IF THE PARTS ACCIDENTALLY MOVE OR FALL, THEY CAN CAUSE AN INJURY OR KILL YOU.
(a)Use an overhead hoist with a lift sling to lift the torque adapter (item 3) and the anti-torque adapter (item 4) and put with the castellations forward in the anti-torque tab tube (item 3) of the 11C3055   rotor lock.
(b)Rotate the torque adapter (item 3) and the anti-torque adapter (item 4) of the 11C3144   torque adapter to align the castellations with the No. 4 bearing inner race spanner nut and the stage 1 HPT rotor disk.
(7)Install the torque multiplier on the anti-torque tab tube (item 3) of the 11C3055   rotor lock and secure with the adapter pin (item 10) of the 11C3055   rotor lock.
WARNING:
ALWAYS USE APPROVED EQUIPMENT AND PROCEDURES TO LIFT PARTS. STAY OUT FROM BELOW LOADS. IF THE PARTS ACCIDENTALLY MOVE OR FALL, THEY CAN CAUSE AN INJURY OR KILL YOU.
(8)Attach an overhead hoist with a lift sling to the anti-torque arm (item 2) of the 11C3144   torque adapter and lift the anti-torque arm.
(9)Align the anti-torque arm (item 2) to the 9429M25   torque adapter plate and engage the tabs with the slots of the anti-torque tube (item 4).
(10) Attach the anti-torque arm (item 2) of the 11C3144   torque adapter with the ball-lock pin (item 6).
(11)Torque the No. 4 bearing nut as follows:
(a)Use the torque multiplier to torque the No. 4 bearing nut to 1280 lb. ft. (1735 N.m).
(b)Use the torque multiplier to break and decrease the torque until the No. 4 bearing nut is unloaded.
(c)Use the torque multiplier to re-torque the No. 4 bearing nut to 1140 lb. ft (1546 N.m).
(12)Remove the 11C3144   torque adapter, the torque multiplier, and the 9429M25   torque adapter plate.
WARNING:
ALWAYS USE APPROVED EQUIPMENT AND PROCEDURES TO LIFT PARTS. STAY OUT FROM BELOW LOADS. IF THE PARTS ACCIDENTALLY MOVE OR FALL, THEY CAN CAUSE AN INJURY OR KILL YOU.
CAUTION:
WHEN REMOVING THE 11C3055   ROTOR LOCK, THE CENTER OF GRAVITY IS NOT PERFECTLY POSITIONED. TWO TECHNICIANS MUST DO THIS STEP, OR ENGINE DAMAGE CAN OCCUR.
(13)Remove the 11C3055   rotor lock.
(14)Use a 0.001 inch (0.03 mm) feeler stock as a no-go gage to make sure that the No. 4 bearing nut is fully seated on the rotating seal (35-400).
(15)Remove excess lubricant from the No. 4 bearing nut and the rotating seal.
* * * FOR ALL
Figure 1006   Installation of the No. 4 Bearing Nut Torque Tooling
Subtask 72-00-02-430-702
* * * FOR ALL
(16)Put matching marks on the keyed ring (35-430) as follows. Refer to Figure 1007.
(a)Temporarily install the keyed ring as follows:
1Engage the tabs of the keyed ring with the slot in the No. 4 bearing nut and the slots in the stage 1 HPT rotor disk (01-280 , 72-53-00) (SIN 150A1) or (02-280 , 72-53-00) (SIN 150A1).
CAUTION:
DO NOT TORQUE THE NO. 4 BEARING NUT MORE THAN 1360 LB. FT (1844 N.M), OR YOU CAN CAUSE DAMAGE TO THE PART.
2If necessary, turn the No. 4 bearing nut clockwise (CW) until the tabs engage. Reinstall the 11C3055   rotor lock, the 9429M25   torque adapter plate, the 11C3055   rotor lock, the 11C3144   torque adapter, and torque the No. 4 bearing nut. Refer to Subtask 72-00-02-430-700 (paragraph 3.D.(4)) thru Subtask 72-00-02-430-701 (paragraph 3.D.(14)). Do not torque more than 1360 lb. ft (1844 N.m).
* * * FOR ALL
Figure 1007   Match Mark the Keyed Ring
Subtask 72-00-02-210-023
* * * FOR ALL
(b)Use the C05-003  pen to put a mark on the two inner slots of the stage 1 HPT rotor disk (01-280 , 72-53-00) (SIN 150A1) or (02-280 , 72-53-00) (SIN 150A1), where the two inner tabs of the keyed ring are installed.
NOTE:
The marks will help to make sure that the tabs on the keyed ring are above the tabs on the HPT rotor heat shield (heatshield) (34-300) (SIN 15002). The heatshield will be installed later in the procedure.
Subtask 72-00-02-430-703
* * * FOR ALL
(c)Remove the keyed ring.
Subtask 72-00-02-430-704
* * * FOR ALL
E.Install the heatshield (34-300) (SIN 15002) in the stage 1 HPT rotor (34-020) (SIN 15000) or (34-021) (SIN 15000). Refer to Figure 1009 and do as follows:
WARNING:
ISOPROPYL ALCOHOL IS TOXIC AND FLAMMABLE. USE PERSONAL PROTECTION EQUIPMENT. USE IN A WELL-VENTILATED AREA.
(1)Use C04-035  isopropyl alcohol to clean the heatshield.
(2)Install the heatshield (34-300) (SIN 15002) on the 11C3267   heatshield install/remove fixture. Refer to Figure 1008 and Figure 1009 and as follows:
(a)Align the locator plate (item 2) with the high pressure turbine rotor heatshield.
(b)Rotate the locator plate (item 2) 60 degrees and insert it in the inside diameter of the heatshield until it passes through the forward end.
(c)Align with “TOP VERT” mark.
CAUTION:
THE TABS OF THE HEATSHIELD MUST BE ALIGNED WITH ONE OF THE CUT-OUT SLOTS ON THE TOOL PUSHER PLATE, OR DAMAGE TO THE HEATSHIELD CAN OCCUR.
(d)Adjust the pusher plate (item 3) with the locator plug of the hammer slide assembly (item 4) by aligning the rabbets in the aft end and the tabs of the heatshield with the slots in the pusher plate (item 3).
WARNING:
DRY ICE CAUSES LOW TEMPERATURE BURNS, AND CAN CAUSE SUFFOCATION. DO NOT LET THIS MATERIAL TOUCH YOU. USE PERSONAL PROTECTION EQUIPMENT. USE EYE PROTECTION.
CAUTION:
MAKE SURE THAT YOU INSTALL THE HEATSHIELD FORWARD OF THE KEYED RING (35-430) (SIN 01490) TO AXIALLY HOLD THE HEATSHIELD (34-300) (SIN 15002) AND THAT THE TWO TABS OF THE HEATSHIELD ARE CIRCUMFERENTIALLY ALIGNED WITH THE TWO INNER TABS OF THE KEYED RING (35-430) (SIN 01490), IF NOT, DAMAGE TO PARTS CAN OCCUR.
(3)Put dry ice on the heatshield for a minimum of 20 minutes.
WARNING:
USE THERMAL GLOVES WHEN YOU MOVE OR TOUCH HOT OR COLD PARTS. HOT OR COLD PARTS CAN CAUSE INJURY.
(4)Use a heat gun to increase the temperature of the aft shaft of the stage 1 HPT rotor disk (01-280 , 72-53-00) (SIN 150A1) or (02-280 , 72-53-00) (SIN 150A1) to a maximum of 250°F (121°C) for 20 minutes.
(5)Install the heatshield (34-300) (SIN 15002) on the aft shaft of the stage 1 HPT rotor disk (01-280 , 72-53-00) (SIN 150A1) or (02-280 , 72-53-00) (SIN 150A1) as follows:
CAUTION:
THE TABS OF THE HEATSHIELD MUST BE ALIGNED WITH ONE OF THE CUT-OUT SLOTS ON THE TOOL PUSHER PLATE, OR DAMAGE TO THE HEATSHIELD CAN OCCUR.
(a)Lower the 11C3267   heatshield install/remove fixture and the heatshield (34-300) (SIN 15002) into the HPT shaft. Adjust the pusher plate (item 3) position with the locator plug of the hammer slide assembly (item 4) by aligning the rabbets in the aft end and the tabs of the heatshield with the slots in the pusher plate (item 3).
(b)Make sure that the heatshield tabs are aligned with the markers at the two inner slots of the stage 1 HPT rotor disk (01-280 , 72-53-00) (SIN 150A1) or (02-280 , 72-53-00) (SIN 150A1).
(c)Actuate the hammer slide assembly (item 4) as many times as required to install the heatshield.
(6)Remove the 11C3267   heatshield install/remove fixture from the heatshield (34-300).
* * * FOR ALL
Figure 1008   Installation of the Heatshield on the 11C3267 Install/Remove Fixture
* * * FOR ALL
Figure 1009   Installation of the Heatshield, Keyed Ring, and Retaining Ring
Subtask 72-00-02-430-705
* * * FOR ALL
F.Install the keyed ring (35-430) and retaining ring (35-440) as follows. Refer to Figure 1009.
(1)Install the keyed ring on the same slots where you put the mark before. Make sure that the tabs on the keyed ring are above the tabs on the heatshield (34-300) (SIN 15002) to fully hold the heatshield.
(2)Install the retaining ring into the slots of the No. 4 bearing nut (35-420) as follows:
(a)Start at a mid point between one of the tabs of the keyed ring and move one end of the retaining ring (35-440) on the slots.
CAUTION:
MAKE SURE THAT THE RETAINING RING IS FULLY AND CORRECTLY ENGAGED IN THE SLOTS OF THE NO. 4 BEARING NUT (35-420) OR DAMAGE TO THE PART CAN OCCUR.
(b)Continue to move the retaining ring (35-440) until it is fully engaged in the slots of the No. 4 bearing nut.
Subtask 72-00-02-640-047
* * * FOR ALL
G.Install the forward brush seal (35-340) (SIN 93702) and retainer (35-350) (SIN 93703) on the seal support (35-320) (SIN 93701) as follows. Refer to Figure 1011.
WARNING:
REFER TO THE PRODUCT LABEL AND THE MANUFACTURER’S (MATERIAL) SAFETY DATA SHEET FOR INSTRUCTIONS ON THE HAZARDS, STORAGE, SAFE HANDLING AND PROPER USE OF THIS PRODUCT.
(1)Put the seal support (35-320) on a workbench and clean mating surfaces with C04-035  isopropyl alcohol.
WARNING:
REFER TO THE PRODUCT LABEL AND THE MANUFACTURER’S (MATERIAL) SAFETY DATA SHEET FOR INSTRUCTIONS ON THE HAZARDS, STORAGE, SAFE HANDLING AND PROPER USE OF THIS PRODUCT.
(2)Apply C02-058  lubricant to the nuts (35-370) (SIN 93742).
Subtask 72-00-02-430-844
* * * FOR ALL
WARNING:
USE THERMAL GLOVES WHEN YOU MOVE OR TOUCH HOT OR COLD PARTS. HOT OR COLD PARTS CAN CAUSE INJURY.
WARNING:
DRY ICE CAUSES LOW TEMPERATURE BURNS, AND CAN CAUSE SUFFOCATION. DO NOT LET THIS MATERIAL TOUCH YOU. USE PERSONAL PROTECTION EQUIPMENT. USE EYE PROTECTION.
(3)Put dry ice on the forward brush seal (35-340) (SIN 93702) for approximately 30 minutes.
CAUTION:
BE CAREFUL WHEN YOU HANDLE THE FORWARD BRUSH SEAL TO PREVENT DAMAGE TO THE PART.
CAUTION:
DO NOT USE THE STOP TAB TO SET BACK THE FORWARD BRUSH SEAL. OTHERWISE, DAMAGE TO THE PARTS CAN OCCUR. IF THE FORWARD BRUSH SEAL IS NOT ALIGNED, REMOVE AND INSTALL AGAIN.
(4)Align the stop tab of a new forward brush seal (35-340) facing aft with the match marks at the 12:00 o'clock position on the seal support, and install the forward brush seal in the seal support.
(5)Use a 0.005 inch (0.13 mm) shim to make sure that the forward brush seal is fully seated on the seal support.
(6)Attach the forward brush seal and retainer to the seal support with the bolts (35-360) (SIN 93722) and nuts (35-370) (SIN 93742). Make sure that the boltheads are forward.
(7)Torque the nuts (35-370) in a criss-cross pattern to 105-124 lb in. (11.9-14.0 N.m).
(8)Torque the nuts (35-370) again in a circular pattern to 105-124 lb in. (11.9-14.0 N.m).
(9)Put a piece of protective cardboard on the forward brush seal support and attach with C01-119  tape.
Subtask 72-00-02-430-706
* * * FOR ALL
H.Install the seal support (35-320) (SIN 93701) on the TCF assembly as follows:
(1)Loosen the nuts (01-350 , 72-54-00) (SIN 489K0) or (01A-350 , 72-54-00) (SIN 489K0) that attach the drain tube (01-370 , 72-54-00) (SIN 489A1) or (01-371 , 72-54-00) (SIN 489A1) or (01A-370 , 72-54-00) (SIN 489A1) to the drain adapter on the outside diameter of the TCF case at the 6:00 o’clock position. Refer to Figure 1010.
NOTE:
The nuts are loose to help align the B-nut on the TCF with the drain (01-690 , 72-54-00) (SIN 489S0) or (01A-690 , 72-54-00) (SIN 489S0) of the seal support (35-320) (SIN 93701).
(2)Align the drain tube of the seal support with the B-nut on the TCF and seat the seal support.
* * * FOR ALL
Figure 1010   Alignment of the Seal Support Drain Tube with TCF B-Nut
Subtask 72-00-02-640-027
* * * FOR ALL
WARNING:
CONTACT WITH EYES, FACE, SKIN CAN CAUSE IRRITATION OR BURNING. PERSONAL PROTECTIVE EQUIPMENT IS REQUIRED WHEN HANDLING OR USING THIS MATERIAL.
(3)Apply C02-058  lubricant to the nuts (35-330). Refer to Figure 1011.
Subtask 72-00-02-430-707
* * * FOR ALL
(4)Attach the seal support to the TCF assembly with the nuts.
(5)Finger-tighten the nuts.
* * * FOR ALL
Figure 1011   Installation of the Seal Support, Forward Brush Seal, and Retainer
Subtask 72-00-02-640-028
* * * FOR ALL
(6)Apply a small quantity of C02-058  lubricant to the threads and friction surfaces of the fittings on the B-nut.
Subtask 72-00-02-430-708
* * * FOR ALL
(7)Triple torque the B-nut of the drain (01-690 , 72-54-00) (SIN 489S0) or (01A-690 , 72-54-00) (SIN 489S0) to 460 to 540 lb in. (52.0 to 61.0 Nm). Refer to TASK 70-51-00-400-004 (TIGHTENING PRACTICES AND TORQUE VALUES).
CAUTION:
MAKE SURE THAT THE SAFETY WIRE GOES THROUGH THE BASE AND NUT OF THE B-NUT AND THE NIPPLE OF THE SEAL SUPPORT (93701), OR DAMAGE CAN OCCUR.
(8)Safety the B-nut and nipple of the seal support with C10-071   safety wire.
(9)Torque the nuts (01-350 , 72-54-00) (SIN 489K0) or (01A-350 , 72-54-00) (SIN 489K0) at the TCF air adapter to 105-124 lb in. (11.9-14.0 N.m).
(10)Torque the nuts (35-330) in a criss-cross pattern to 69-81 lb in. (7.8-9.2 N.m).
(11)Torque the nuts (35-330) again in a circular pattern to 69-81 lb in. (7.8-9.2 N.m).
Subtask 72-00-02-420-034
* * * FOR ALL
I.Install the low pressure turbine (LPT) module assembly (45-020) (SIN 00105) or (45-021) (SIN 00105) or (45-022) (SIN 00105). Refer to TASK 72-00-04-420-801 (72-00-04, Installation 001).
Subtask 72-00-02-430-710
* * * FOR ALL
J.Continue to assemble the propulsor assembly. Refer to TASK 72-00-02-430-815 (72-00-02, ASSEMBLY 004 - CONFIG 01) or TASK 72-00-02-430-822 (72-00-02, ASSEMBLY 004 - CONFIG 02).