Installation of the Steady Bearings

TASK 27-54-44-400-002-A
Installation of the Steady Bearings

WARNING: MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING NOTICES ARE IN POSITION.

WARNING: MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

CAUTION: BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:

DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.

FIN: 6215CM
FIN: 6219CM
FIN: 6223CM
FIN: 6225CM
FIN: 6229CM
FIN: 6231CM
FIN: 6265CM
FIN: 6269CM ** ON A/C NOT FOR ALL
FIN: 6273CM
FIN: 6275CM
FIN: 6279CM
FIN: 6281CM

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	AR	SAFETY BARRIER(S)
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 0.8 and 0.7 m.daN (70.80 and 61.95 lbf.in )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.06AEA1)	Polysulfide Sealant-Low Adhesion Brushable -
(Material No.06AEB2)	Polysulfide Sealant-Low Adhesion Fillet Structure
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.12ACC1)	Corrosion Preventive Compound-Heavy Duty Soft Film -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [6231CM] (FLAP STEADY BEARING)
575EB
FOR [6281CM] (FLAP STEADY BEARING)
675EB

D. Referenced Information

REFERENCE	DESIGNATION
TASK 27-50-00-400-003-A	Installation of the Lock-Torque Shaft - Flaps and Slats (98D27504030001)
TASK 27-50-00-866-009-A	Retraction of the Flaps on the Ground
TASK 27-50-00-866-009-A-01	Retraction of the Flaps/Slats on the Ground
TASK 27-54-00-710-001-A	Operational Test of the Flap System
TASK 27-54-45-000-008-A	Removal of the Torque Shafts
TASK 27-54-45-000-009-A	Removal of Torque Shaft
TASK 27-54-45-000-010-A	Removal of the Torque Shaft
TASK 27-54-45-000-012-A	Removal of the Torque Shaft
TASK 27-54-45-000-013-A	Removal of the Torque Shaft
TASK 27-54-45-400-008-A	Installation of the Torque Shafts
TASK 27-54-45-400-009-A	Installation of the Torque Shaft
TASK 27-54-45-400-010-A	Installation of the Torque Shaft
TASK 27-54-45-400-012-A	Installation of the Torque Shaft
TASK 27-54-45-400-013-A	Installation of the Torque Shaft
TASK 57-51-37-000-004-A	Removal of the Access Panels 575AB(675AB), 575BB(675BB), 575CB(675CB), 575DB(675DB), 575EB(675EB), 575FB(675FB), 575GB(675GB), 575HB(675HB)
TASK 57-51-37-400-004-A	Installation of the Access Panels 575AB(675AB), 575BB(675BB), 575CB(675CB), 575DB(675DB), 575EB(675EB), 575FB(675FB), 575GB(675GB), 575HB(675HB)
Steady Bearings - Flap Power Transmission

3. Job Set-up
Subtask 27-54-44-941-055-A

A. Safety Precautions
(1) Make sure that the SAFETY BARRIER(S) are in position.
(2) Make sure that the WARNING NOTICE(S) is in the cockpit to tell persons not to operate the landing-gear doors.
(3) Make sure that the WARNING NOTICE(S) is on panel 114VU to tell persons not to operate the flap/slat controls.

Subtask 27-54-44-860-053-A

B. Aircraft Maintenance Configuration
(1) Make sure that the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE is below the applicable torque shaft.
(2) Make sure that the flaps are retracted fully (Ref. AMM TASK 27-50-00-866-009).
(3) Make sure that the applicable torque shaft (11) is removed (Ref. AMM TASK 27-54-45-000-008), (Ref. AMM TASK 27-54-45-000-009), (Ref. AMM TASK 27-54-45-000-010), (Ref. AMM TASK 27-54-45-000-012), (Ref. AMM TASK 27-54-45-000-013):
(a) FOR [6215CM] (FLAP STEADY BEARING)
the torque shaft 6216CM
(b) FOR [6225CM] (FLAP STEADY BEARING)
the torque shaft 6226CM
(c) FOR [6265CM] (FLAP STEADY BEARING)
the torque shaft 6266CM
(d) FOR [6275CM] (FLAP STEADY BEARING)
the torque shaft 6276CM
(e) FOR [6219CM] (FLAP STEADY BEARING)
the torque shaft 6218CM
(f) FOR [6269CM] (FLAP STEADY BEARING)
the torque shaft 6268CM
(g) FOR [6223CM] (FLAP STEADY BEARING)
the torque shaft 6222CM
(h) FOR [6273CM] (FLAP STEADY BEARING)
the torque shaft 6272CM
(i) FOR [6229CM] (FLAP STEADY BEARING)
the torque shaft 6228CM
(j) FOR [6279CM] (FLAP STEADY BEARING)
the torque shaft 6278CM
(k) FOR [6231CM] (FLAP STEADY BEARING)
the torque shaft 6232CM
(l) FOR [6281CM] (FLAP STEADY BEARING)
the torque shaft 6282CM.
(4) Make sure that the applicable access panels 575EB (675EB) have been removed (Ref. AMM TASK 57-51-37-000-004).
(5) Make sure that the 98D27803500001 LOCKING TOOL ZERO POS or 98D27803500002 LOCKING TOOL ZERO POS is installed on the flap/slat control lever on panel 114VU.
(6) Make sure that the 98D27504030001 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT is installed on the applicable torque shaft (Ref. AMM TASK 27-50-00-400-003).

Subtask 27-54-44-865-051-A

C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B07
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B02
** ON A/C ALL
121VU	FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2	8CV	Q21

4. Procedure

CAUTION: BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:

DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.

Subtask 27-54-44-420-055-A

A. Preparation for Installation
(1) Clean the component interface and/or the adjacent area with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
(2) Make sure that the parts retained from the removed component are clean and in the correct condition.
(3) Do an inspection of the component interfaces and the adjacent area.

Subtask 27-54-44-420-053-A

B. Installation of the Steady Bearing Assemblies
(1) Apply a layer of Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) or Polysulfide Sealant-Low Adhesion Fillet Structure (Material No.06AEB2) to the:

mating faces of the steady bearing (16) and the structure (15)
shanks of the bolts (12).

(2) Install the steady bearing (16) on the torque shaft. Attach the steady bearing (16) to the structure with the bolts (12) and the nuts (13). Make sure that the torque shaft is correctly engaged.
(3) TORQUE the nuts (13) to between 0.8 and 0.7 m.daN (70.80 and 61.95 lbf.in )

.
(4) Apply a layer of Corrosion Preventive Compound-Heavy Duty Soft Film - (Material No.12ACC1) to the:

bolts (12) and the nuts (13)
flange of the steady bearing (16).

Subtask 27-54-44-410-052-A

C. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the applicable torque shaft (11), (Ref. AMM TASK 27-54-45-400-008), (Ref. AMM TASK 27-54-45-400-009), (Ref. AMM TASK 27-54-45-400-010), (Ref. AMM TASK 27-54-45-400-012), (Ref. AMM TASK 27-54-45-400-013):
(a) FOR [6215CM] (FLAP STEADY BEARING)
install the torque shaft 6216CM
(b) FOR [6225CM] (FLAP STEADY BEARING)
install the torque shaft 6226CM
(c) FOR [6265CM] (FLAP STEADY BEARING)
install the torque shaft 6266CM
(d) FOR [6275CM] (FLAP STEADY BEARING)
install the torque shaft 6276CM
(e) FOR [6219CM] (FLAP STEADY BEARING)
install the torque shaft 6218CM
(f) FOR [6269CM] (FLAP STEADY BEARING)
install the torque shaft 6268CM
(g) FOR [6223CM] (FLAP STEADY BEARING)
install the torque shaft 6222CM
(h) FOR [6273CM] (FLAP STEADY BEARING)
install the torque shaft 6272CM
(i) FOR [6229CM] (FLAP STEADY BEARING)
install the torque shaft 6228CM
(j) FOR [6279CM] (FLAP STEADY BEARING)
install the torque shaft 6278CM
(k) FOR [6231CM] (FLAP STEADY BEARING)
install the torque shaft 6232CM
(l) FOR [6281CM] (FLAP STEADY BEARING)
install the torque shaft 6282CM.
(3) For the torque shafts FIN 6231CM(6281CM), install the applicable access panel (Ref. AMM TASK 57-51-37-400-004):
(a) FOR [6231CM] (FLAP STEADY BEARING)
install 575EB
(b) FOR [6281CM] (FLAP STEADY BEARING)
install 675EB.

Subtask 27-54-44-710-051-A

D. Test
(1) Do an operational test of the flap system (Ref. AMM TASK 27-54-00-710-001).

Subtask 27-54-44-865-052-A

E. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B07
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B02
** ON A/C ALL
121VU	FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2	8CV	Q21

5. Close-up
Subtask 27-54-44-942-051-A

A. Removal of Equipment
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the safety barriers.
(3) Remove the WARNING NOTICE(S).
(4) Remove the access platform(s).
(5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.01 07:00:18 UTC