* * * FOR ALL
TASK 72-24-00-040-801
1 . General.
A.This procedure gives instructions to disassemble the No. 2 ball bearing assembly (20-030 , 72-00-02) (SIN 01200). Refer to Figure 501.
B.This procedure begins with the No. 2 ball bearing assembly on the 2C81801   holding fixture with the 11C4260   lift/turn fixture.
C.Bearings.
(1)Be careful with the components of the No. 2 ball bearing assembly. Refer to TASK 70-14-00-620-003 (HANDLING OF BEARINGS) and TASK 70-60-01-620-002 (PRESERVATION OF ANTIFRICTION BEARINGS) .
(2)Keep the ball bearing components (balls, cages, inner races, and outer races) as a set by serial number. The ball bearing is a matched assembly. Do not mix serviceable ball bearing components with the components of different serial numbers.
(3)Do not touch the ball bearing components with bare hands. Wear clean, Latex C10-140  gloves when ball bearing components are touched.
(4)Do not touch the cage or balls of the No. 2 ball bearing assembly with assembly/installation tools.
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
 
2C81801G01
Fixture, Holding - General Purpose (holding fixture)
 
9C2102G01
Pallet (pallet)
 
9C2104G01
Retaining Tool, No. 2 Bearing Tool (retaining tool)
 
9C2107G01
Installation Tool - Fan Shaft Extension (installation tool)
 
9C2128G01
Installation Tool, No. 2 Bearing Outer Race and Ball (installation tool)
 
11C3023G02
Deleted
 
11C3118G01
Fixture, Lift and Turn No. 2 Bearing Housing (lift fixture)
 
11C3119G01
Deleted
 
11C3122G01
Deleted
 
11C3125G03
Puller - No. 1 Bearing Inner Race (puller)
 
11C3128G01
Puller - No. 2 Bearing and Housing, Fan Shaft Extension (puller)
NOTE:
Pump included in the tool set.
 
11C3128G02
Puller - No. 2 Bearing and Housing, Fan Shaft Extension (puller)
NOTE:
Pump not included in the tool set, use standard hydraulic hand pump.
 
11C3129G01
Adapter, Torque Fan Shaft External Nut and Sensor, Shaft Nut (adapter)
 
11C3154G02
Pusher/Puller - Speed Sensor (pusher/puller)
 
11C4260G02
Fixture, Lift and Turn - Forward Fan Shaft and No. 2 Bearing (lift/turn fixture)
 
11C4583G03
Adapter Wrench Advance - No. 2 Bearing Mid Nut (adapter)
 
11C4598G01
Stand, Assembly/Disassembly No. 2 Bearing Housing (housing stand)
NOTE:
Tool provided with hand hydraulic pump (pump included in a tool set).
 
11C4598G02
Stand, Assembly/Disassembly No. 2 Bearing Housing (housing stand)
NOTE:
Tool provided without hand hydraulic pump (pump not included in a tool set, use standard hand hydraulic pump).
 
11C4823G01
Adapter, Torque - No. 2 Outer Locknut (torque adapter)
 
11C4881G01
Fixture, Handling - Forward Fan Shaft (handling fixture)
 
9429M14G03
Fixture, Lift Arm - Standard 2000 lb (907 kg) (lift fixture)
 
9471M24G01
Fixture, Lift and Turn - General Purpose (lift/turn fixture)
 
9429M77G04
Deleted
 
9481M78G01
Adapter, Bracket - Standard Rollover Stand (bracket adapter)
 
9481M99G03
Deleted
 
9481M99G04
Deleted
 
9401M62G01
Stand, Adjustable Roll Over - Sub Assembly (adjustable stand)
NOTE:
Tool 9401M62G01 is an alternative to 9401M62G02
 
9401M62G02
Stand, Adjustable Roll Over - Sub Assembly (adjustable stand)
(2)Standard Tools and Equipment.
 
Description
Manufacturer
 
Hydraulic Torque Multiplier, Model AH2543 (torque multiplier)
Advance Mfg Co. Turnpike Industrial Park Westfield, MA 01085
 
Hydraulic Torque Multiplier, Model AHX-T550 (torque multiplier) (up to 42000 lb ft (56944 N.m))
Advance Mfg Co. Turnpike Industrial Park Westfield, MA 01085
 
Sling - Four-Piece (890-003-700-1) (four-piece sling)
Local Purchase
 
Sling, Three-Legged (8-68-7-500-404) (three-legged sling)
Local Purchase
 
Sling, Three-Piece (8-01-7-501286) (three-piece sling)
Local Purchase
 
Pump, Hand - Hydraulic (Capacity: 20 Ton) (hydraulic hand pump)
Local Purchase
(3)Locally Manufactured Tools. None.
B.Consumable Materials.
 
Code No.
Description
 
C02-050
Oil, Preservation (MIL-PRF-6085) (preservation oil)
 
C10-009
Paper, Greaseproof (MIL-B-121 Type II, Grade A, Class 2 (Kraft)) (greaseproof)
 
C10-140
Gloves, Film Latex or Nylon/Polyethylene, Disposable (gloves)
C.Referenced Procedures.
 
ATA
No. Description
 
70-14-00
Handling of Bearings
 
70-60-01
Preservation of Antifriction Bearings
D.Expendable Parts. None.
* * * FOR ALL
Figure 501   (Sheet 1 ) No. 2 Ball Bearing Assembly
* * * FOR ALL
Figure 501   (Sheet 2 ) No. 2 Ball Bearing Assembly
3 . Procedure.
Subtask 72-24-00-040-001
A.Remove the No. 2 ball bearing assembly (20-030 , 72-00-02) (SIN 01200) from the 2C81801   holding fixture as follows:
Subtask 72-24-00-040-007
(1)Attach the 9471M24   lift/turn fixture to the 11C4260   lift/turn fixture. Refer to Figure 502 and do 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)Attach the cable assembly (item 9) to the lift plate (item 3) with the forged anchor shackle (item 12) of the 9471M24   lift/turn fixture. Make sure that they have the same number of holes on the lift plate (item 3) outside of the cable assembly (item 9) to keep the 9471M24   lift/turn fixture balanced.
(b)Attach the lock plate adapters (item 4) to the cable assembly (item 9).
(c)Deleted.
(d)Deleted.
WARNING:
DELETED.
(2)Deleted.
* * * FOR ALL
Figure 502   Installation of the 9471M24, Lift/Turn Fixture
* * * FOR ALL
Figure 503   Removal of the No. 2 Ball Bearing Assembly from the Holding Fixture, 2C81801
Subtask 72-24-00-040-071
(3)Install the 9481M78   bracket adapter on the 9401M62   adjustable stand. Refer to Figure 504 and do as follows:
(a)Put the bracket (item 3) on the stationary support of the 9401M62   adjustable stand.
(b)Attach the bracket (item 3) with the capscrews (item 5), the washers (item 8), and the nuts (item 7) at four locations. Tighten the nuts (item 7).
(c)Put the bracket (item 2) on the portable support of the 9401M62   adjustable stand.
(d)Attach the bracket (item 2) with the capscrews (item 5), the washers (item 8), and the nuts (item 7) at four locations. Tighten the nuts (item 7).
(e)Remove the ball-lock pins (item 4) from the brackets (item 2 and 3).
* * * FOR ALL
Figure 504   Installation of the Bracket Adapter, 9481M78, on the Adjustable Stand, 9401M62
Subtask 72-24-00-040-072
(4)Install the No. 2 ball bearing assembly on the 9401M62   adjustable stand. Refer to Figure 505 and do as follows:
(a)Make sure that the ball-lock pins (item 21) are installed at two locations on the fixed and adjustable supports.
(b)Move the lever (item 10) to the inward position to let the fixed adapter (item 12) rotate.
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.
(c)Lift the No. 2 ball bearing assembly in the 11C4260   lift/turn fixture.
(d)Lower and align the trunnions (item 8) of the 11C4260   lift/turn fixture with the slots on the 9481M78   bracket adapter at two locations. Refer to Figure 505.
1If necessary, loosen the locknut (item 16) of the 9401M62   adjustable stand and turn the support adjustment nut (item 15) to adjust the height of the shaft (item 6) on the portable support. Make sure that the forward fan shaft is level.
2Tighten the locknut (item 16).
(e)Install the ball-lock pin (item 4) of the 9481M78   bracket adapter in the bracket (item 2) to secure the trunnion (item 8) of the 11C4260   lift/turn fixture. Refer to Figure 504.
(f)Remove the 9471M24   lift/turn fixture from the trunnions on the 11C4260   lift/turn fixture. Refer to Figure 505.
CAUTION:
UNLESS YOU MUST MOVE THE 9401M62 ADJUSTABLE STAND, THE FLOOR LOCK MUST TOUCH THE FLOOR AT ALL TIMES. THE FLOOR LOCKS KEEP THE 9401M62 ADJUSTABLE STAND STABLE AND STOP ACCIDENTAL MOVEMENT OF THE STAND AND PREVENT DAMAGE TO THE NO. 2 BALL BEARING ASSEMBLY.
(g)Put the floor locks (item 25) of the 9401M62   adjustable stand down until they touch the floor.
(h)Use the hand wheel (item 13) to turn the No. 2 ball bearing assembly to put the forward end up.
CAUTION:
THE LEVER (ITEM 10) MUST BE ENGAGED IN THE 9401M62 ADJUSTABLE STAND WHEN YOU DO WORK ON THE FORWARD FAN SHAFT. PUT THE LEVER IN THE OUTWARD POSITION TO PREVENT ACCIDENTAL ROTATION OF THE NO. 2 BALL BEARING ASSEMBLY.
(i)Move the lever (item 10) to the outward position to prevent rotation of the No. 2 ball bearing assembly.
(5)Remove the 9471M24   lift/turn fixture from the 11C4260   lift/turn fixture.
* * * FOR ALL
Figure 505   Installation of the No. 2 Ball Bearing Assembly onto the Adjustable Stand, 9401M62
Subtask 72-24-00-040-073
CAUTION:
KEEP THE ROLLER BEARING COMPONENTS (ROLLERS, CAGES, INNER RACES, AND OUTER RACES) AS A SET BY SERIAL NUMBER. THE ROLLER BEARING IS A MATCHED ASSEMBLY. DO NOT MIX SERVICEABLE ROLLER BEARING COMPONENTS WITH COMPONENTS OF DIFFERENT SERIAL NUMBERS. ENGINE FAILURE CAN RESULT IF ROLLER BEARING COMPONENTS ARE MIXED WITH COMPONENTS OF DIFFERENT SERIAL NUMBERS.
B.Remove the No. 1 cylindrical roller bearing (No. 1 bearing) (01-080 , 72-23-00) (SIN 011A0) inner race. Refer to Figure 506 and do as follows:
(1)Rotate the No. 2 ball bearing assembly in the 9401M62   adjustable stand to put the forward end in the up position. Refer to Figure 505 and do as follows:
(a)Move the lever (item 10) to the inward position.
CAUTION:
THE LEVER (ITEM 10) MUST BE ENGAGED IN THE 9401M62 ADJUSTABLE STAND WHEN YOU DO WORK ON THE FORWARD FAN SHAFT. PUT THE LEVER IN THE OUTWARD POSITION TO PREVENT ACCIDENTAL ROTATION OF THE FORWARD FAN SHAFT.
(b)Use the hand wheel (item 13) to turn the forward fan shaft to put the forward end in the up position.
(c)Move the lever (item 10) to the outward position to prevent rotation of the forward fan shaft.
(2)Attach a three-piece sling to the eyebolt (item 10) of the 11C3125   puller. Refer to Figure 506.
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.
(3)Attach an overhead hoist to the three-piece sling and lower the 11C3125   puller onto the forward end of the forward fan shaft.
(4)Turn the knurled knobs (item 7) to remove the pads (item 6).
(5)Align the plate (item 2) with the forward flange of the forward fan shaft.
(6)Lower the 11C3125   puller onto the shaft until the pusher plate (item 3) is against the forward flange.
(7)Align and install the four pads (item 6) with the four flat areas on the shaft outside diameter (OD).
(8)Make sure that the pads (item 6) are correctly aligned in the flat areas of the shaft OD.
(9)Turn the knurled knobs (item 7) to tighten the pads (item 6) against the aft surface of the inner race.
(10)Install the ring (item 24) to hold the jaws (item 25).
WARNING:
BE CAREFUL WHEN YOU USE THE PUSHER/PULLER TO APPLY PRESSURE. MAKE SURE YOU DO NOT USE MORE THAN THE MAXIMUM HYDRAULIC PRESSURE. STAY AWAY FROM THE AREA BEHIND OR IN FRONT OF THE PUSHER/PULLER. A MALFUNCTION CAN CAUSE INJURY OR CAN KILL YOU.
(11)Operate the hydraulic hand pump (item 19) to disengage the inner race from the shaft.
(12)Remove the 11C3125   puller.
(13)Remove the No. 1 bearing inner race and wrap in a piece of C10-009  greaseproof.
* * * FOR ALL
Figure 506   Removal of the No. 1 Bearing Inner Race from the Forward Fan Shaft with the Puller, 11C3125
Subtask 72-24-00-620-005
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.
C.If necessary, do the preservation procedure for the No. 1 bearing (01-080 , 72-23-00) (SIN 011A0) inner race with C02-050  preservation oil. Refer to TASK 70-60-01-620-002 (PRESERVATION OF ANTIFRICTION BEARINGS) for preservation steps and time limits.
Subtask 72-24-00-040-074
D.Remove the fan shaft weep plugs (weep plugs) (01-180) (SIN 81090) from the holes on the forward fan shaft (01-170) (SIN 81002) or (01-171) (SIN 81002). Refer to Figure 507 and do as follows:
(1)Push the weep plug from the OD of the forward fan shaft to the inside diameter (ID) of the forward fan shaft until the retention feature is through the hole.
(2)Remove the weep plug from the forward fan shaft.
* * * FOR ALL
Figure 507   Removal of the Weep Plugs from the Forward Fan Shaft
Subtask 72-24-00-040-049
E.Remove the round nut (locknut) as follows:
(1)Rotate the No. 2 ball bearing assembly in the 9401M62   adjustable stand to put the aft end in the up position. Refer to Figure 505 and do as follows:
(a)Move the lever (item 10) to the inward position.
(b)Use the hand wheel (item 13) to rotate the forward fan shaft to put the aft end in the up position.
CAUTION:
THE LEVER (ITEM 10) MUST BE ENGAGED IN THE 9401M62 ADJUSTABLE STAND WHEN YOU DO WORK ON THE NO 2. BALL BEARING ASSEMBLY. PUT THE LEVER IN THE OUTWARD POSITION TO PREVENT ACCIDENTAL ROTATION OF THE NO 2. BALL BEARING ASSEMBLY.
(c)Move the lever (item 10) to the outward position to prevent rotation of the No. 2 ball bearing assembly.
(2)Remove the retaining ring and the keyed ring from the locknut. Refer to Figure 508.
(3)Install the 11C3129   adapter as follows. Refer to Figure 509.
(a)Install the base (item 2) and the ring gear (item 7) as follows:
1Attach a three-piece sling to the two hoist rings (item 8) of the base (item 2) and to an overhead hoist.
NOTE:
Only two of the three legs of the three-piece sling will be used to lift the base.
2Lift the base (item 2) with the ring gear (item 7) attached and align it with the forward fan shaft.
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.
(b)Attach an overhead hoist to the eyebolt (item 9) and lift the splined shaft (item 3) and the gear shaft (item 4) of the 11C3129   adapter over the No. 2 ball bearing assembly.
(c)Lower the spline shaft (item 3) until the gear shaft (item 4) engages the splines in the shaft and do as follows:
1Align the hole in the center of the base (item 2) with the spline shaft (item 3).
2Align the tabs of the gear ring (item 7) with the tab slots of the locknut.
(d)Remove the overhead hoist from the eyebolt (item 9).
(4)Align the splines of the hydraulic torque multiplier with the spline shaft and install the torque multiplier.
(5)Align the legs of the torque multiplier with the holes in the base (item 2).
(6)Operate the hydraulic torque multiplier in a clockwise (CW) direction to remove the locknut.
(7)Remove the torque multiplier.
(8)Remove the 11C3129   adapter .
* * * FOR ALL
Figure 508   Removal of the Keyed Ring and the Retaining Ring from the Locknut
* * * FOR ALL
Figure 509   Installation of the Adapter, 11C3129
Subtask 72-24-00-040-050
F.Remove the fan speed sensor from the forward fan shaft as follows. Refer to Figure 510.
(1)Install the 11C3154   pusher/puller on the rotating air seal 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)Attach an overhead hoist to the hoist ring (item 25) and lift the 11C3154   pusher/puller.
(b)Carefully lower the 11C3154   pusher/puller until the support (item 20) is on the fan speed sensor.
(c)Put the jaws (item 7) around the fan speed sensor at two locations. The lower part of the jaw is engaged with the lip on the fan speed sensor. The upper part of the jaw (item 7) is engaged with the circular groove of the support (item 20).
(d)Put the collar (item 8) around the jaws (item 7) to hold the jaws in position.
(2)Connect a hydraulic hand pump to the coupler (item 27).
WARNING:
BE CAREFUL WHEN YOU USE THE PUSHER/PULLER TO APPLY PRESSURE. MAKE SURE YOU DO NOT USE MORE THAN THE MAXIMUM HYDRAULIC PRESSURE. STAY AWAY FROM THE AREA BEHIND OR IN FRONT OF THE PUSHER/PULLER. A MALFUNCTION CAN CAUSE INJURY OR CAN KILL YOU.
(3)Operate the hydraulic hand pump until the fan speed sensor is removed from the forward fan shaft. The maximum pressure you can apply is 4000 psi (27500 kPa).
(4)Remove the fan speed sensor and the 11C3154   pusher/puller.
(5)Disconnect the hydraulic hand pump from the coupler (item 27).
* * * FOR ALL
Figure 510   Removal of the Fan Speed Sensor with the Pusher/Puller, 11C3154
Subtask 72-24-00-040-068
G.Remove the internal retaining ring as follows. Refer to Figure 511.
(1)Remove the internal retaining ring from the inner nut.
(2)Remove the two clips.
* * * FOR ALL
Figure 511   Removal of the Retaining Ring and Clips from the Inner Nut
Subtask 72-24-00-040-009
H.Remove the inner nut from the forward fan shaft as follows:
(1)Install the 11C3129   adapter as follows. Refer to Figure 512.
(a)Install the splined shaft (item 3) and the gear shaft (item 4) 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.
1Attach an overhead hoist to the eyebolt (item 9) to lift the splined shaft (item 3), with the gear shaft (item 4) attached.
2Lower the splined shaft (item 3) until the gear shaft (item 4) is engaged with the splines in the shaft.
(b)Install the base (item 2) and the ring gear (item 13) as follows:
1Attach the three-piece sling to the two hoist rings (item 8) of the base (item 2) and to an overhead hoist.
2Lift the base (item 2), with the ring gear (item 13) attached.
3Align the hole in the center of the base (item 2) with the splined shaft (item 3).
4Lower the base (item 2) and engage the tabs of the ring gear (item 13) with the tab slots of the locknut.
(2)Install the torque multiplier as follows:
(a)Install the torque multiplier on the base (item 2).
(b)Align the splines of the torque multiplier with the splines of the splined shaft (item 3).
(c)Align the legs of the torque multiplier with the holes in the base (item 2).
(3)Operate the torque multiplier to disengage the inner nut from the shaft.
(4)Remove the torque multiplier with an overhead hoist.
(5)Remove the 11C3129   adapter with an overhead hoist as follows:
(a)Attach the three-piece sling to the two hoist rings (item 8) of the base (item 2) and to an overhead hoist.
(b)Lift the base (item 2), with the ring gear (item 13) attached.
(c)Attach an overhead hoist to the eyebolt (item 9) and lift the splined shaft (item 3), with the gear shaft (item 4) attached.
(6)Remove the inner nut.
* * * FOR ALL
Figure 512   Removal of the Inner Nut with the Adapter, 11C3129
Subtask 72-24-00-040-053
I.Remove the mid nut as follows. Refer to Figure 513.
(1)Remove the retaining ring from the groove in the mid nut.
(2)Remove the clips at two locations.
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.
(3)Attach an overhead hoist to the ring (item 11) of the 11C4583   adapter on the splined shaft (item 4).
(4)Lift the splined shaft (item 4) with the ring gear (item 16).
(5)Lower the splined shaft (item 4) until the ring gear (item 16) is engaged with the slots on the shaft extension.
(6)Install the base (item 2) and the ring gear (item 3) as follows:
(a)Attach the four-piece sling to the rings (item 11) of the base (item 2) and to an overhead hoist.
(b)Lift the base (item 2) and align the ring gear (item 3) to the ring gear (item 16) while the base is lowered.
(c)Align the tabs of the ring gear (item 3) with the tab slots in the mid nut.
(7)Install the   torque multiplier with an overhead hoist as follows:
(a)Align the splines of the torque multiplier with the splined shaft (item 4).
(b)Align the legs of the torque multiplier with the holes in the base.
(c)Install the torque multiplier on the base (item 2).
(8)Actuate the torque multiplier to loosen the mid nut.
NOTE:
The larger torque multiplier model AHX-T5500 can be used up to its capacity of 42000 lb ft (56944 N.m) if the torque multiplier model AH 2543 gets to its full capacity before the nut turns.
(9)Remove the torque multiplier with an overhead hoist.
(10)Remove the 11C4583   adapter as follows:
(a)Attach a four-piece sling to the rings (item 11) on the base (item 2) at four locations.
(b)Attach an overhead hoist to the four-piece sling and lift the base and the ring gear (item 3).
(c)Attach an overhead hoist to the ring (item 11) on the splined shaft (item 4) and lift the splined shaft (item 4) and the ring gear (item 16) from the shaft extension.
(11)Remove the mid nut from the shaft extension.
* * * FOR ALL
Figure 513   (Sheet 1 ) Removal of the Mid Nut with the Adapter, 11C4583
* * * FOR ALL
Figure 513   (Sheet 2 ) Removal of the Mid Nut with the Adapter, 11C4583
Subtask 72-24-00-040-075
J.Remove the No. 2 ball bearing assembly from the 9401M62   adjustable stand. Refer to Figure 505 and do as follows:
(1)Install the 11C4881   handling fixture on the forward fan shaft of the No. 2 ball bearing assembly (20-030 , 72-00-02) (SIN 01200). Refer to Figure 514 and do 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)Attach an overhead hoist to lift the 9429M14   lift fixture.
(b)Align the 9429M14   lift fixture with the pinholes in the clevis (item 12) of the 11C4881   handling fixture.
(c)Install the ball-lock pin (item 4) of the9429M14   lift fixture to attach the 11C4881   handling fixture to the 9429M14   lift fixture.
CAUTION:
THE LOCKING PLUNGERS MUST BE IN THE CORRECT POSITION BEFORE YOU INSTALL THE 11C4881 HANDLING FIXTURE IN THE SHAFT. IF THE LOCKING PLUNGERS ARE NOT RETRACTED, DAMAGE TO THE SHAFT CAN OCCUR.
(d)Make sure that the ball-lock pin (item 7) is in the housing (item 5) hole marked UNLOCKED to retract the locking plunger (item 19).
(e)Lift the 11C4881   handling fixture and lower fully into the shaft.
(f)Remove the ball-lock pin (item 7).
(g)Turn the handle (item 8) until the hole in the housing (item 5) marked LOCKED is aligned with the hole in the inner housing (item 15) to engage the plungers (item 19).
(h)Install the ball-lock pin (item 7).
(2)Apply a lift pressure to the No. 2 ball bearing assembly with the 9429M14   lift fixture attached to the 11C4881   handling fixture.
* * * FOR ALL
Figure 514   Installation of the Handling Fixture, 11C4881, to the No. 2 Ball Bearing Assembly
Subtask 72-24-00-040-081
(3)Alternative Procedure Available. Attach a second overhead hoist to the eyebolt (item 44) on the adjustable support of the 9401M62   adjustable stand. Refer to Figure 505.
Subtask 72-24-00-040-082
(3).A.Alternative Procedure. Attach a second overhead hoist with a lift sling to the 9481M78   bracket adapter on the adjustable support of the 9401M62   adjustable stand. Refer to Figure 505.
Subtask 72-24-00-040-086
(4)Remove the 11C4260   lift/turn fixture from the No. 2 ball bearing assembly as follows. Refer to Figure 515.
(a)Remove the flange nuts (item 10) from the eyebolts (item 9) at four locations.
(b)Separate the left base (item 18) and the right base (item 19) from the No. 2 ball bearing assembly that is attached to the adjustable support on the 9401M62   adjustable stand.
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.
(5)Lift the No. 2 ball bearing assembly from the 9401M62   adjustable stand.
(6)Remove the left base (item 18) attached to the 9481M78   bracket adapter on the 9401M62   adjustable stand.
* * * FOR ALL
Figure 515   Removal of the Lift/Turn Fixture, 11C4260
Subtask 72-24-00-040-014
K.Remove the No. 2 ball bearing support housing (bearing housing) from the shaft extension on the forward fan shaft as follows:
NOTE:
The housing assembly includes the No. 2 ball bearing housing, outer round plain nut, outer race, cage, and balls of the No. 2 ball bearing.
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.
(1)Lift the No. 2 ball bearing assembly with the 9429M14   lift fixture attached to the 11C4881   handling fixture and lower into the 11C3128   puller . Refer to Figure 514.
(2)Remove the 11C4881   handling fixture from the forward fan shaft on the No. 2 ball bearing assembly as follows.
(a)Remove the ball-lock pin (item 7) from the housing (item 5).
(b)Turn the handle (item 8) until the hole in the housing (item 5) marked UNLOCKED is aligned with the hole in the inner housing (item 15) to retract the locking plungers (item 19).
(c)Install the ball-lock pin (item 7) in the housing (item 5).
(d)Remove the 11C4881   handling fixture from the No. 2 ball bearing.
(3)Install the 11C3128   puller as follows. Refer to Figure 516.
(a)Attach the brackets (item 24) to the housing assembly with the retainer screws (item 30) at four locations.
(b)Install the actuator rod (item 12) in the shaft.
(c)Attach an overhead hoist to the lift eyes (item 16) at four locations on the pusher plate (item 9) on the shaft extension.
(d)Lift the pusher plate (item 9) and install on the shaft extension on the No. 2 ball bearing assembly and remove the overhead hoist.
(e)Install the hydraulic ram (item 10) on the actuator rod (item 12).
(f)Install the knob (item 11) on the actuator rod (item 12).
(g)Attach the hydraulic hose (item 27) to the male coupler (item 28).
(4)Attach the 11C3118   lift fixture to the bearing housing as follows. Refer to Figure 517.
(a)Move the leg of the support beam (item 6) in until the boltholes of the saddle assemblies (item 2) align with the boltholes of the housing flange at the 3:00 and 9:00 o'clock positions.
(b)Attach each saddle assembly (item 2) to the housing flange with two washer assemblies (item 9).
1Install the first washer assembly in the 3:00 o'clock saddle assembly at bolthole No. 10 CW from the 6:00 o'clock position, forward looking aft (FLA).
2Install the first washer assembly in the 9:00 o'clock saddle assembly at bolthole No. 12 counterclockwise (CCW) from the 6:00 o'clock position (FLA).
(c)Install the ball-lock pin (item 3) to lock the support beam (item 6) in position. Make sure that the ball-lock pins (item 8) are installed.
(5)Actuate the hydraulic hand pump (item 23) to move the hydraulic ram (item 10) until the bearing races are pushed off the shaft extension on the forward fan shaft.
(6)Release the pressure from the hydraulic hand pump (item 23). At the same time, lift the bearing housing (01-110) (SIN 01203) with the hoist until the bearing housing is removed from the forward fan shaft.
(7)Remove the hydraulic ram (item 10) from the actuator rod (item 12).
* * * FOR ALL
Figure 516   Removal of the Bearing Housing Assembly with the Puller, 11C3128
Subtask 72-24-00-040-054
(8)Remove the No. 2 ball bearing assembly from the shaft extension on the forward fan shaft as follows:
CAUTION:
KEEP THE BALL BEARING COMPONENTS (BALLS, CAGES, INNER RACES, AND OUTER RACES) AS A SET BY SERIAL NUMBER. THE BALL BEARING IS A MATCHED ASSEMBLY. DO NOT MIX SERVICEABLE BALL BEARING COMPONENTS WITH COMPONENTS OF DIFFERENT SERIAL NUMBERS. ENGINE FAILURE CAN RESULT IF BALL BEARING COMPONENTS ARE MIXED WITH COMPONENTS WITH DIFFERENT SERIAL NUMBERS.
CAUTION:
DO NOT TOUCH THE BALL BEARING COMPONENTS WITH BARE HANDS. SKIN OILS AND SALT CAN CAUSE CORROSION. WEAR LATEX (C10-140) GLOVES WHEN YOU TOUCH THE BALL BEARING COMPONENTS.
CAUTION:
DO NOT TOUCH THE CAGES OR BALLS WITH THE ASSEMBLY/INSTALLATION TOOLS. DAMAGE CAN RESULT IF THE TOOLS TOUCH THESE COMPONENTS.
(a)Remove the bearing aft inner race.
(b)Remove the retainer screws (item 30) that attach the bearing housing to the brackets (item 24) of the 11C3128   puller.
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.
(c)Lift the bearing housing off of the bearing ball and cage assembly and put the housing assembly on a clean surface.
(d)Remove the bearing ball and cage assembly from the bearing inner race.
(e)Put the bearing on a piece of C10-009  greaseproof paper until the outer race is removed.
(9)Install the 9C2104   retaining tool on the No. 2 ball bearing. Refer to Figure 517.
(10)Lift the bearing housing and rotate as follows:
(a)Remove the ball-lock pins (item 8) at two locations and rotate the bearing housing to put the aft end down.
(b)Install the ball-lock pins (item 8).
(11)Make sure that the housing has left-hand threads. The housing is marked LH THREAD at the 6:00 o'clock position on the outer aft flange.
NOTE:
You will need to know what thread the housing has in order to remove the outer nut.
* * * FOR ALL
Figure 517   Installation of the Retaining Tool, 9C2104, on the Bearing Housing
Subtask 72-24-00-040-077
L.Install the bearing housing (01203) on the 11C4598   housing stand as follows. Refer to Figure 518.
(1)Find the top vertical centerline of the housing.
NOTE:
The top vertical centerline of the housing is 180 degrees from the center bolthole of the three bolthole flange segment.
(2)Remove the handle base (item 6 and 23) from the shaft of the 11C4598   housing stand.
(3)Remove the short shaft (item 9) from the base (item 3).
(4)Align the bolthole at the top vertical centerline of the bearing housing with the lug marked “TOP VERT”.
(5)Make sure that the saddle assemblies (item 2) of the 11C3118   lift fixture are aligned in the recess on the base (item 3) of the 11C4598   housing stand.
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.
(6)Lower the bearing housing onto the base (item 3) and above the four short locating pins (item 7).
(7)Make sure that the boltholes of the bearing housing align with the boltholes of the base (item 3).
(8)Install the 22 screws (item 10) equally spaced in the boltholes of the flange to attach the housing to the base (item 3). Tighten the screws (item 10).
(9)Remove the ball-lock pin (item 3) of the 11C3118   lift fixture and pull the support beam (item 6) out of the way. Refer to Figure 517.
(10)Remove the ball-lock pin (item 8) at two locations and remove the 11C3118   lift fixture from the saddle assembly (item 2).
* * * FOR ALL
Figure 518   Installation of the Housing on the Housing Stand, 11C4598
Subtask 72-24-00-040-056
M.Remove the No. 2 bearing outer race retaining nut (outer nut) as follows:
(1)Remove the bolt and nut at the 6:00 o'clock position from the No. 2 ball bearing housing and outer nut. Refer to Figure 519.
CAUTION:
TORQUE THE 22 CAPSCREWS OF 11C4598 IN A CRISS-CROSS PATTERN TO 628 LB IN. (71 NM) (LUBRICATED) OR 837 LB IN. (95 NM) (DRY) PRIOR TO USE OF THE FIXTURE. IF TORQUE IS NOT APPLIED, MALFUNCTION AND DAMAGE TO THE TOOL CAN OCCUR.
(2)Install the 11C4823   torque adapter. Refer to Figure 520 and do as follows:
NOTE:
Before installing the 11C4823   torque adapter, the No. 2 bearing housing support and the No. 2 ball bearing must be installed in the 11C4598   housing stand.
WARNING:
BALANCE THE PARTS TO BE LIFTED BEFORE YOU OPERATE THE EQUIPMENT. DO NOT STAY BELOW THE EQUIPMENT WHEN YOU LIFT THE PART. DO NOT LIFT MORE THAN THE SPECIFIED WEIGHT. IF THE PARTS ACCIDENTALLY MOVE OR FALL, A BAD INJURY CAN OCCUR.
(a)Lift the spline shaft (item 4) and ring gear (item 3) with the eye bolt (item 10). Use a sling with proper capacity.
(b)Lower the ring gear (item 3) until its castellation is engaged with the outer plain nut. Align the ring gear (item 3) to the outer plain nut.
(c)Lift the base (item 2) by using the four hoist rings (item 14). Use a sling with proper capacity. Slide and center the base (item 2) onto the stand, assembly disassembly No. 2 bearing 11C4598   housing stand. Refer to Figure 519.
(3)Lift and install the torque multiplier by aligning its splines with the splines of the ring gear (item 3). Lift the torque multiplier with an overhead hoist.
(4)Align torque multiplier pins with the holes in the base (item 2). Refer to Figure 520.
CAUTION:
THE OUTER NUT THREADS ARE LEFT-HAND THREADS. YOU CAN DAMAGE THE BEARING HOUSING IF YOU DO NOT TURN THE OUTER NUT CW TO REMOVE.
(5)Operate the torque multiplier CW to loosen the outer nut. The outer nut has left-hand threads.
NOTE:
The outer nut is marked LH THREAD on the outer flange.
NOTE:
The housing is marked LH THREAD at the 6:00 o'clock position on the outer aft flange.
(6)Remove the torque multiplier with an overhead hoist.
(7)Remove the 11C4823   torque adapter with an overhead hoist.
(8)Remove the outer nut.
(9)Deleted.
* * * FOR ALL
Figure 519   Removal of the Bolts and Nuts from the Outer Nut on the Bearing Housing
* * * FOR ALL
Figure 520   Installation of the Torque Adapter, 11C4823, on the Bearing Housing
Subtask 72-24-00-040-057
N.Remove the No. 2 bearing outer race from the bearing housing 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.
(1)Lower the 11C3118   lift fixture and attach the support beam (item 6) to the saddle assemblies (item 2) with the two ball-lock pins (item 8). Refer to Figure 517.
(2)Lift the bearing housing from the 11C4598   housing stand.
NOTE:
The outer diameter of the inner ring (item 4) is centered with the groove of the base (item 3).
(3)Install the inner ring (item 4) of the 11C4598   housing stand on the groove of the base (item 3). Refer to Figure 521.
(4)Install the long shaft (item 5) on the threaded bushing (item 12).
(5)Install the long locating pins (item 8) on the base (item 3).
(6)Lower the bearing housing, forward end up, onto the long locating pins (item 8) and the inner ring (item 4).
(7)Attach a three-piece sling to the hoist rings (item 22) at three locations on the upper plate (item 2).
(8)Lift the upper plate (item 2) and lower onto the bearing housing.
(9)Remove the three-piece sling.
(10)Install the hydraulic cylinder (item 17) and handle assembly (item 6 and 23) onto the long shaft (item 5).
NOTE:
The 11C4598G01 tool set is provided with hand hydraulic pump (item 18). The 11C4598G02 tool set is provided without hand hydraulic pump (item 18) - use standard hydraulic hand pump (Local Purchase tool) with G02 tool configuration.
(11)Operate the hydraulic hand pump (item 18) to push the No. 2 bearing housing from the outer race.
(12)Remove the handle assembly (item 6 and 23) and the hydraulic cylinder (item 17) from the long shaft (item 5).
(13)Remove the long shaft (item 5) from the threaded bushing (item 12).
(14)Attach a three-piece sling to the hoist swivel rings (item 22) at three locations on the upper plate (item 2).
(15)Lift to remove the upper plate (item 2) from the housing.
(16)Install the 11C4598   subassembly housing stand (items 11, 13, 15, 22, 24, 26, and 27) on the No. 2 Bearing as follows. Refer to Figure 522.
(a)Attach three slings with a minimum capacity of 650 lb (295 kg) to the three hoist rings (item 22) of the 11C4598   subassembly housing stand (items 11, 13, 15, 22, 24, 26, and 27).
(b)Put the 11C4598   subassembly housing stand (items 11, 13, 15, 22, 24, 26, and 27) above the No. 2 ball bearing outer race.
(c)Turn the threaded knob (item 24) CCW until the protruding length of the looking foot (item 11) is sufficient to install the No. 2 ball bearing outer race.
(d)Put the three Pins (item 27) pointed to the “open” position marked on the lift plate (item 15).
(e)Lower the 11C4598   subassembly housing stand (items 11, 13, 15, 22, 24, 26, and 27) into the No. 2 ball bearing outer race.
(f)To secure the No. 2 ball bearing outer race, put the three pins (item 27) in the “close” position and turn the threaded knob (item 24) CW by hand.
(g)Make sure that the 9C2104   retaining tool is installed to hold the balls of the ball bearing in position.
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.
(h)Lift the No. 2 bearing assembly and put on the block (item 3) of the 9C2128   installation tool.
(i)Put the three pins (item 27) pointed to the “open” position marked on the lift plate (item 15).
(j)Remove the cage from the outer race and wrap the two parts in C10-009  paper, greaseproof and put in a protective container.
NOTE:
If necessary, preserve the No. 2 bearing with C02-050   preservation oil. Refer to TASK 70-60-01-620-002 (PRESERVATION OF ANTIFRICTION BEARINGS) for preservation steps and time limits.
(17)Lower the 11C3118   lift fixture and attach the support beam (item 6) to the saddle assemblies (item 2) with the two ball-lock pins (item 8). Refer to Figure 517.
(18)Lift and remove the bearing housing from the 11C4598   housing stand. Put the bearing housing on a clean work surface.
* * * FOR ALL
Figure 521   (Sheet 1 ) Removal of the No. 2 Bearing Assembly Outer Race
* * * FOR ALL
Figure 521   (Sheet 2 ) Removal of the No. 2 Bearing Outer Race
* * * FOR ALL
Figure 522   Installation of the 9C2101 Installation Tool
Subtask 72-24-00-040-058
O.Remove the fan shaft extension from the forward fan shaft as follows. Refer to Figure 523.
NOTE:
The forward fan shaft is already installed in the 11C3128   puller.
(1)Install the plate half (item 20) of the 11C3128   puller at two locations onto the shaft assembly.
(2)Install the actuator rod (item 12), pusher plug (item 22), hydraulic ram (item 10) and knob (item 11) on the shaft.
(3)Thread the hydraulic ram (item 10) onto the riser (item 13).
(4)Connect the hydraulic ram (item 10) to the hydraulic hand pump (item 23).
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.
(5)Attach a three-piece sling to the 9C2107   installation tool.
(6)Install the 9C2107   installation tool on the shaft extension as follows. Refer to Figure 524.
(a)Loosen the knurled knobs (item 6) to unlock the locking plungers (item 5) and put the feet outward.
(b)Pull the locking plungers (item 5) down to allow installation of the base (item 2) on the ball bearing stop face.
(c)Attach a three-legged sling to the hoist arms (item 3) to lift the 9C2107   installation tool.
(d)Align the pins (item 12) with the OD of the shaft extension.
(e)Lower the 9C2107   installation tool onto the shaft extension until the base (item 2) is on the ball bearing stop face.
(f)Move the locking plungers (item 5) and engage the shaft extension.
(g)Tighten the knurled knobs (item 6) to hold the shaft extension between the locking plungers (item 5) and the base (item 2).
(7)Operate the hydraulic hand pump (item 23) to push the fan shaft extension off of the forward fan shaft.
(8)Put a support between the fan shaft extension and plate half (item 20) of the 11C3128   puller.
(9)Release the pressure from the hydraulic hand pump (item 23) and remove the hydraulic pump.
(10)Lift the fan shaft extension with the 9C2107   installation tool and put it on a clean work surface.
(11)Remove the 9C2107   installation tool from the shaft extension.
* * * FOR ALL
Figure 523   (Sheet 1 ) Removal of the Fan Shaft Extension with the Puller, 11C3128
* * * FOR ALL
Figure 523   (Sheet 2 ) Removal of the Fan Shaft Extension with the Puller, 11C3128
* * * FOR ALL
Figure 524   Fan Shaft Extension Installation Tool, 9C2107
Subtask 72-24-00-040-078
P.Alternative Procedure Available. Install the 11C4881   handling fixture to the aft end of the forward fan shaft. Refer to Figure 525 and do 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.
(1)Attach an overhead hoist to lift the 9429M14   lift fixture.
(2)Align the 9429M14   lift fixture with the holes in the clevis (item 12) of the 11C4881   handling fixture.
(3)Install the ball-lock pin (item 4) of the 9429M14   lift fixture to attach the 11C4881   handling fixture to the 9429M14   lift fixture.
CAUTION:
THE LOCKING PLUNGERS MUST BE IN THE CORRECT POSITION BEFORE YOU INSTALL THE 11C4881 HANDLING FIXTURE IN THE SHAFT. IF THE LOCKING PLUNGERS ARE NOT RETRACTED, DAMAGE TO THE SHAFT CAN OCCUR.
(4)Make sure that the ball-lock pin (item 7) is in the housing (item 5) hole marked UNLOCKED to retract the locking plunger (item 19).
(5)Lift the 11C4881   handling fixture and lower it fully into the forward fan shaft.
(6)Remove the ball-lock pin (item 7).
(7)Turn the handle (item 8) until the hole in the housing (item 5) marked LOCKED is aligned with the hole in the inner housing (item 15) to engage the plungers (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.
(8)Lift the forward fan shaft from the 11C3128   puller and put on a clean work surface. Remove the 9429M14   lift fixture from the 11C4881   handling fixture. Do not remove the 11C4881   handling fixture at this time.
NOTE:
The 11C4881 handling fixture can be used as an alternative to the 11C4260 lift/turn fixture to attach the forward fan shaft to the 2C81801 holding fixture. If the 11C4881 handling fixture is not used, remove it from the forward fan shaft.
Subtask 72-24-00-040-085
P.A.Alternative Procedure. Install the 11C4260   lift/turn fixture on the forward fan shaft (01-170) (SIN 81002) or (01-171) (SIN 81002). Refer to Figure 515 and do as follows:
NOTE:
The 11C4881 handling fixture installed at paragraph 3.P. can be used as an alternative to the 11C4260 lift/turn fixture to lift the forward fan shaft.
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.
(1)Attach an overhead hoist with a lift sling to the left base (item 18).
(2)Lift the left base (item 18) on the forward fan shaft.
(3)Make sure to put the flats of the forward fan shaft between the split-line on the left base (item 18).
(4)Do not install the left base (item 18) split-line on the flat.
NOTE:
There are two flats on the forward fan shaft.
(5)Attach an overhead hoist with a lift sling to the right base (item 19).
(6)Lift the right base (item 19) on the forward fan shaft.
(7)Align the pins in the left and right base with the holes in the left and right base.
(8)Install the eye bolts (item 9) and attach with the nuts (item 10). Tighten the nuts in a crisscross pattern.
* * * FOR ALL
Figure 525   Installation of the Handling Fixture, 11C4881, to the Forward Fan Shaft Aft End
Subtask 72-24-00-040-066
Q.Alternative Procedure Available. Attach the 9429M14   lift fixture to the 11C4881   handling fixture. Refer to Figure 525 and do 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.
(1)Attach an overhead hoist to the 9429M14   lift fixture.
(2)Align the 9429M14   lift fixture with the holes in the clevis (item 12) of the 11C4881   handling fixture.
(3)Attach the 9429M14   lift fixture with the ball-lock pin (item 4) to the 11C4881   handling fixture.
Subtask 72-24-00-040-083
Q.A.Alternative Procedure. Attach the 9471M24   lift/turn fixture to the 11C4260   lift/turn fixture. Refer to Figure 526 and do 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.
(1)Attach an overhead hoist to the lift plate (item 3) of the 9471M24   lift/turn fixture.
(2)Attach the cable assembly (item 9) to the lift plate (item 3) with the forged anchor shackle (item 12). Make sure that they have the same number of holes on the outboard side of the hoist assemblies on the lift bar. The hoist assemblies must be perpendicular to the lift bar when attached to the 11C4260   lift/turn fixture.
(3)Open the piston (item 7) of the 9471M24   lift/turn fixture and install the lock plate adapter (item 4) on the trunnion of the 11C4260   lift/turn fixture.
(4)Insert the ball-lock pin (item 10) in the lock plate adapter (item 4).
* * * FOR ALL
Figure 526   Attachment of the Lift/Turn Fixture, 9471M24, to the Lift/Turn Fixture, 11C4260
Subtask 72-24-00-040-084
R.Install the forward fan shaft on the 2C81801   holding fixture as follows. Refer to Figure 527.
(1)If necessary, adjust the distance between the left upright (item 2) and the right upright (item 3) to get the correct distance between the two trunnion blocks (item 15) as follows:
(a)Turn the locking knob (item 14) CCW to loosen the left upright (item 2) from the right upright (item 3).
(b)Turn the knob (item 6) CW or CCW to get the correct distance between the two trunnion blocks (item 15).
(c)Turn the locking knob (item 14) CW to tighten the left upright (item 2) to the right upright (item 3).
(2)Remove the two quick release pins (item 17) from the trunnion blocks (item 15).
(3)Install the forward fan shaft with the 11C4260   lift/turn fixture in the 2C81801   holding fixture. Make sure that the 11C4260   lift/turn fixture is correctly installed in the trunnion blocks (item 15).
(4)Install the two quick release pins (item 17) in the trunnion blocks (item 15).
* * * FOR ALL
Figure 527   Installation of the Forward Fan Shaft on the Holding Fixture, 2C81801