DOC AIRBUS | AMM A320FReplacement of the Bearings of the Elevator Hinge-Arm End-Fittings
TASK 55-16-42-960-801-A
Replacement of the Bearings of the Elevator Hinge-Arm End-Fittings
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Expendable Parts
D. Referenced Information
3. Job Set-up
Subtask 55-16-42-010-052-A
Subtask 55-16-42-960-050-A
Subtask 55-16-42-410-052-A
[Rev.10 from 2021]
2026.04.01 12:51:17 UTC
Replacement of the Bearings of the Elevator Hinge-Arm End-Fittings
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | SCRAPER - NON METALLIC |
| 98D55109001000 | 1 | SET, BUSHING REPLACEMENT |
| 98D55109002000 | 1 | SWIVELLING - BEARINGS |
| AJD110303 | 1 | PROOF LOAD TEST |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.03JCA9) | Silicone base Grease-Mechanisms and Seals - - |
| (Material No.04DAB2) | Primer Epoxy Paint-- Corrosion Inhibiting Structure |
| (Material No.06AAA1) | Polysulfide Sealant_General Purpose Brushable - |
| (Material No.08BBF1) | Non Aqueous Cleaner_- Methyl-Ethyl-Ketone - |
| (Material No.08BBU9) | Non Aqueous Cleaner-- Trichloroethane Legacy |
| (Material No.10ABC1) | Surface Pretreatment-Light Alloys Chemical Conversion Yellow - |
| (Material No.14FAB1) | Abrasive-- Scotch Brite Pads - |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 1 | BEARING | AIPC 55-16-42-01-010 |
| 2 | SLEEVE | AIPC 55-16-42-01-020 |
| 3 | BEARING | AIPC 55-16-42-02-010 |
| 4 | SLEEVE | AIPC 55-16-42-02-020 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 27-34-41-400-001-A | Installation of the Elevator |
| TASK 55-16-42-000-001-A | Removal of the Elevator Hinge-Arm End-Fittings |
| TASK 55-16-42-400-001-A | Installation of the Elevator Hinge-Arm End-Fittings |
Bearings of the Elevator Hinge-Arm End-FittingsSubtask 55-16-42-010-052-A
A. Get Access
(1) Remove the applicable elevator hinge-arm end-fitting (Ref. AMM TASK 55-16-42-000-001).
4. Procedure(1) Remove the applicable elevator hinge-arm end-fitting (Ref. AMM TASK 55-16-42-000-001).
NOTE: If the elevator is removed from aircraft it is not necessary to do this step.
Subtask 55-16-42-960-050-A
A. Replacement of the Bearings of the Elevator Hinge-Arm End-Fittings
(1) Use the 98D55109001000 SET, BUSHING REPLACEMENT to remove the bearings (1) and (3) and the sleeves (2) and (4).
(2) Discard the bearings (1) and (3) and the sleeves (2) and (4).
(3) Use the SCRAPER - NON METALLIC and Non Aqueous Cleaner_- Methyl-Ethyl-Ketone - (Material No.08BBF1) to remove the sealant from the elevator hinge-arm end-fittings.
(4) Clean the component interfaces and the adjacent area.
(5) Do an inspection of the component interfaces and the adjacent area.
(6) Apply a thin layer of Polysulfide Sealant_General Purpose Brushable - (Material No.06AAA1) on the outer surface of the new AIPC 55-16-42-01-020 SLEEVE (2) and the new AIPC 55-16-42-02-020 SLEEVE (4).
(7) Use Non Aqueous Cleaner-- Trichloroethane Legacy (Material No.08BBU9) to remove the grease from the outer surface of the new AIPC 55-16-42-01-010 BEARING (1) and the new AIPC 55-16-42-02-010 BEARING (3).
(8) Install the bearings (1) and (3) and the sleeves (2) and (4):
(a) Make sure that you can put the bearings (1) and (3) in the sleeves (2) and (4) with your hand.
(b) If you cannot put the bearings (1) and (3) in the sleeves (2) and (4), rub the inner surface of the sleeves (2) and (4) with the Abrasive-- Scotch Brite Pads - (Material No.14FAB1) .
(d) Use the 98D55109001000 SET, BUSHING REPLACEMENT to install the bearings (1) and (3) and the sleeves (2) and (4).
(9) Use the 98D55109001000 SET, BUSHING REPLACEMENT to rub the crimp protrusion.
(a) Apply Silicone base Grease-Mechanisms and Seals - - (Material No.03JCA9) on the crimping rollers and the sleeve protrusion.
(b) Apply moderate pressure to the sleeve protrusion.
(c) Gradually increase the pressure until the sleeve protrusion is fully crimped against the bearing face.
(d) Remove the unwanted material.
(10) Make sure that the crimped area on the sleeves (2) and (4) is smooth and without cracks, scratches or splinters.
(11) Use the 98D55109002000 SWIVELLING - BEARINGS to make sure that the bearings (1) and (3) turn freely.
(12) Use the AJD110303 PROOF LOAD TEST to do a load test of the bearings (1) and (3).
(a) Install the AJD110303 PROOF LOAD TEST on the elevator hinge-arm end-fittings (refer to the user guide for instructions).
(b) Apply a check load on the elevator hinge-arm end-fittings.
(d) Look at the indicator of the AJD110303 PROOF LOAD TEST to see the displacement.
(e) If the displacement is more than 0.10 mm (0.0039 in.), remove the bearings (1) and (3) and examine them:
2 If the bearings (1) and (3) are damaged, install new ones.
(f) Remove the AJD110303 PROOF LOAD TEST.
(13) Give protection to the crimped areas of the sleeves (2) and (4).
(a) Put a cover on the bearings (1) and (3) to make sure that the cleaning agent and the protection paint do not go into the bearings.
(b) Remove the grease from the sleeves (2) and (4) and the joints with Non Aqueous Cleaner-- Trichloroethane Legacy (Material No.08BBU9) .
(c) Let them dry.
(d) Apply a layer of Surface Pretreatment-Light Alloys Chemical Conversion Yellow - (Material No.10ABC1) on the crimped areas.
(e) Dry the crimped areas with a warm air dryer at approximately 50 deg.C (122.00 deg.F).
(f) Apply Primer Epoxy Paint-- Corrosion Inhibiting Structure (Material No.04DAB2) on the sleeves (2) and (4) and the joints.
(g) Dry the sleeves (2) and (4) with the warm air dryer at approximately 50 deg.C (122.00 deg.F).
(h) Remove the cover from the bearings (1) and (3).
5. Close-up(1) Use the 98D55109001000 SET, BUSHING REPLACEMENT to remove the bearings (1) and (3) and the sleeves (2) and (4).
(2) Discard the bearings (1) and (3) and the sleeves (2) and (4).
(3) Use the SCRAPER - NON METALLIC and Non Aqueous Cleaner_- Methyl-Ethyl-Ketone - (Material No.08BBF1) to remove the sealant from the elevator hinge-arm end-fittings.
(4) Clean the component interfaces and the adjacent area.
(5) Do an inspection of the component interfaces and the adjacent area.
(6) Apply a thin layer of Polysulfide Sealant_General Purpose Brushable - (Material No.06AAA1) on the outer surface of the new AIPC 55-16-42-01-020 SLEEVE (2) and the new AIPC 55-16-42-02-020 SLEEVE (4).
(7) Use Non Aqueous Cleaner-- Trichloroethane Legacy (Material No.08BBU9) to remove the grease from the outer surface of the new AIPC 55-16-42-01-010 BEARING (1) and the new AIPC 55-16-42-02-010 BEARING (3).
(8) Install the bearings (1) and (3) and the sleeves (2) and (4):
(a) Make sure that you can put the bearings (1) and (3) in the sleeves (2) and (4) with your hand.
(b) If you cannot put the bearings (1) and (3) in the sleeves (2) and (4), rub the inner surface of the sleeves (2) and (4) with the Abrasive-- Scotch Brite Pads - (Material No.14FAB1) .
NOTE: The installation tolerance of the sleeves (2) and (4) is between -0.005 mm (-0.0002 in.) and +0.020 mm (0.0008 in.).
(c) If you rub the inner surface more than the installation tolerance, replace the sleeves (2) and (4). (d) Use the 98D55109001000 SET, BUSHING REPLACEMENT to install the bearings (1) and (3) and the sleeves (2) and (4).
(9) Use the 98D55109001000 SET, BUSHING REPLACEMENT to rub the crimp protrusion.
(a) Apply Silicone base Grease-Mechanisms and Seals - - (Material No.03JCA9) on the crimping rollers and the sleeve protrusion.
(b) Apply moderate pressure to the sleeve protrusion.
(c) Gradually increase the pressure until the sleeve protrusion is fully crimped against the bearing face.
(d) Remove the unwanted material.
(10) Make sure that the crimped area on the sleeves (2) and (4) is smooth and without cracks, scratches or splinters.
(11) Use the 98D55109002000 SWIVELLING - BEARINGS to make sure that the bearings (1) and (3) turn freely.
(12) Use the AJD110303 PROOF LOAD TEST to do a load test of the bearings (1) and (3).
(a) Install the AJD110303 PROOF LOAD TEST on the elevator hinge-arm end-fittings (refer to the user guide for instructions).
(b) Apply a check load on the elevator hinge-arm end-fittings.
NOTE: A check load of 24 bars is necessary to get a force of 151.9 daN (341.4847 lbf) on elevator hinge-arm end-fittings 1, 2, 3, 5 and 6. A check load of 34 bars is necessary to get a force of 220.6 daN (495.9284 lbf) on elevator hinge-arm end-fitting 4.
(c) Hold the check load for 30 seconds. (d) Look at the indicator of the AJD110303 PROOF LOAD TEST to see the displacement.
(e) If the displacement is more than 0.10 mm (0.0039 in.), remove the bearings (1) and (3) and examine them:
NOTE: The axial deformation shown on the AJD110303 PROOF LOAD TEST must not be more than 0.10 mm (0.0039 in.).
1 If the bearings (1) and (3) are in the correct condition, install them again. 2 If the bearings (1) and (3) are damaged, install new ones.
(f) Remove the AJD110303 PROOF LOAD TEST.
(13) Give protection to the crimped areas of the sleeves (2) and (4).
(a) Put a cover on the bearings (1) and (3) to make sure that the cleaning agent and the protection paint do not go into the bearings.
(b) Remove the grease from the sleeves (2) and (4) and the joints with Non Aqueous Cleaner-- Trichloroethane Legacy (Material No.08BBU9) .
(c) Let them dry.
(d) Apply a layer of Surface Pretreatment-Light Alloys Chemical Conversion Yellow - (Material No.10ABC1) on the crimped areas.
(e) Dry the crimped areas with a warm air dryer at approximately 50 deg.C (122.00 deg.F).
(f) Apply Primer Epoxy Paint-- Corrosion Inhibiting Structure (Material No.04DAB2) on the sleeves (2) and (4) and the joints.
(g) Dry the sleeves (2) and (4) with the warm air dryer at approximately 50 deg.C (122.00 deg.F).
(h) Remove the cover from the bearings (1) and (3).
Subtask 55-16-42-410-052-A
A. Close Access
(1) Install the applicable elevator hinge-arm end-fitting (Ref. AMM TASK 55-16-42-400-001).
(2) If removed, install the elevator (Ref. AMM TASK 27-34-41-400-001).
(1) Install the applicable elevator hinge-arm end-fitting (Ref. AMM TASK 55-16-42-400-001).
(2) If removed, install the elevator (Ref. AMM TASK 27-34-41-400-001).