# @A318/A319/A320/A321

AIRCRAFT MAINTENANCE MANUAL ** On A/C ALL
Task 57-26-13-400-001-A Installation of the Bearing Assembly of the Forward Pintle Pin

WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR: - THE FLIGHT CONTROLS - THE FLIGHT CONTROL SURFACES - THE LANDING GEAR AND THE RELATED DOORS - COMPONENTS THAT MOVE.

WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.

WARNING : BE CAREFUL WHEN YOU USE THE CONSUMABLE MATERIAL(S). YOU MUST OBEY THE OPERATOR’S AND MANUFACTURER’S HEALTH AND SAFETY INSTRUCTIONS.
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 2M (6 FT) No specific AR WARNING NOTICE(S) No specific Torque wrench: range to between 0.67 and 13.50 M.DAN (4.94 and 99.57 LBF.FT) 98D57004003000 1 SOCKET-RING (FOR NUT OF FWD PINTLE BEARING)

B. Consumable Materials
REFERENCE DESIGNATION Material No: 04-004 COMMON GREASES SYNTH. ESTER BASED GREASE HIGH PRESSURE Material No: 05-002 SPECIAL MATERIALS PUTTY, ZINC CHROMATE GENERAL PURPOSE Material No: 09-002 SEALANTS

- ** On A/C 102-105 107-114 117-119 121-128 150-159 161-163 165-165 167-167 169-174 176-300 507-510 519-521 523-524 534-599 601-601 604-604 647-665 667-669 672-673 675-705 708-717 721-725 730-730 732-733 737-738 740-742 744-758 760-760 762-799 801-810 812-899 POST SB 57-1104 FOR A/C 602-602 620-622 624-629 631-633 637-637 640-640 642-642 644-644 Material No: 09-002B SEALANTS FUEL TANK SEALANT POLYSULFIDE ** On A/C 602-602 620-622 624-629 631-633 637-637 640-640 642-642 644-644 PRE SB 57-1104 FOR A/C 602-602 620-622 624-629 631-633 637-637 640-640 642-642 644-644 Material No: 09-018 SEALANTS LOWADHESION POLYSULFIDE SEALANT Material No: 09-019 SEALANTS LOW ADHESION POLYSULFIDE SEALANT

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# @A318/A319/A320/A321

AIRCRAFT MAINTENANCE MANUAL

REFERENCE DESIGNATION Material No: 11-026 CLEANING AGENTS SOLVENT GENERAL PURPOSE Material No: 19-003 LINT-FREE COTTON CLOTH Material No: 19-010 LOCKWIRE STAINLSS STL ANNEALED 0.8MM DIA C. Expendable Parts
FIG.ITEM DESIGNATION IPC-CSN ** On A/C 102-105 107-114 117-119 121-128 150-159 161-163 165-165 167-167 169-174 176-300 507-510 519-521 523-524 534-599 601-601 604-604 647-665 667-669 672-673 675-705 708-717 721-725 730-730 732-733 737-738 740-742 744-758 760-760 762-799 801-810 812-899 POST SB 57-1104 FOR A/C 602-602 620-622 624-629 631-633 637-637 640-640 642-642 644-644 6 O-ring seals 57-26-13-02-038 10 O-ring seals 57-26-13-02-070 ** On A/C 602-602 620-622 624-629 631-633 637-637 640-640 642-642 644-644 PRE SB 57-1104 FOR A/C 602-602 620-622 624-629 631-633 637-637 640-640 642-642 644-644 9 O-ring seal 57-26-13-02-070

D. Referenced Information
REFERENCE DESIGNATION 32-00-00-481-001-A Installation of the Safety Devices on the Landing Gears 32-00-00-481-002-A Installation of the Safety Devices on the Landing Gear Doors 32-11-11-000-001-A Removal of the MLG Leg Assembly 32-11-11-400-001-A Installation of the MLG Leg Assembly ** On A/C 620-622 624-629 631-633 637-637 640-640 644-644 NTM 572901 SRM 57261302 (for corrective action) (Ref. Fig. 57-26-13-991-00100-A - Details of the MLG Forward Pintle-Bearing Assembly) (Ref. Fig. 57-26-13-991-00100-B - Details of the MLG Forward Pintle-Bearing Assembly)
3. Job Set-up ** On A/C ALL
Subtask 57-26-13-941-054-A A. Safety Precautions (1) Make sure that the safety barriers are in position. (2) Make sure the safety devices are correctly installed on the landing gear (Ref. TASK 32-00-00-481-001- A) and the landing gear doors (Ref. TASK 32-00-00-481-002-A). (3) Make sure the WARNING NOTICE(S) are in positio n in the cockpit to tell persons not to operate the landing gear or the landing gear doors. Subtask 57-26-13-860-052-A B. Get Access (1) Make sure that the ACCESS PLATFORM 2M (6 FT ) is in position below the applicable zone 571 (671).

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# @A318/A319/A320/A321

AIRCRAFT MAINTENANCE MANUAL (2) Make sure that the applicable MLG assembly has been removed (Ref. TASK 32-11-11-000-001-A).
4. Procedure

** On A/C 602-602 620-622 624-629 631-633 637-637 640-640 642-642 644-644 PRE SB 57-1104 FOR A/C 602-602 620-622 624-629 631-633 637-637 640-640 642-642 644-644 (Ref. Fig. 57-26-13-991-00100-A - Details of the MLG Forward Pintle-Bearing Assembly)
** On A/C 102-105 107-114 117-119 121-128 150-159 161-163 165-165 167-167 169-174 176-300 507-510 519-521 523-524 534-599 601-601 604-604 647-665 667-669 672-673 675-705 708-717 721-725 730-730 732-733 737-738 740-742 744-758 760-760 762-799 801-810 812-899 POST SB 57-1104 FOR A/C 602-602 620-622 624-629 631-633 637-637 640-640 642-642 644-644 (Ref. Fig. 57-26-13-991-00100-B - Details of the MLG Forward Pintle-Bearing Assembly) ** On A/C 620-622 624-629 631-633 637-637 640-640 644-644 PRE SB 57-1104 FOR A/C 620-622 624-629 631-633 637-637 640-640 644-644
Subtask 57-26-13-420-054-A A. Preparation for Installation (1) Clean the component interfaces and the adjacent areas with a LINT-FREE COTTON CLOTH (Material No: 19-003) made moist with CLEANING AGENTS (Material No: 11-026) . (2) Do an inspection of the component interface and/or the adjacent area. (3) Do an inspection of the retaining nut (10) (Ref. NTM 572901). If the threads of the retaining nut (10) are damaged or have corrosion, do one of the steps that follow: (a) Record all areas of thread damage and corrosion on the data recording sheets specified in (Ref. NTM 572901). Send the completed d ata recording sheets to Airbus Customer Support for the necessary repair instructions.

or
(b) Do the repair by replacement of the forward p intle bearing retainin g nut, (Ref. SRM 57261302). (4) Make sure that the parts retained from the removed component are c lean and in the correct condition. (5) Put a thin layer of COMMON GREASES (Material No: 04-004) on the interface and the threads of the bearing housing-halves (8). (6) Fill the grease grooves in the bearing (7) and th e bearing housing-halves (8) with COMMON GREASES (Material No: 04-004) . (7) Install the new (IPC-CSN 57-26-13-02) O-ring seal (9) in the seal groove of the bearing housing-halves (8). (8) Assemble the bearing housing-halves (8) and the bea ring (7) together. Make sure that the identification groove in the bearing (7) is adjacent to the flange of the bearing-housing assembly (6). (9) Use the SOCKET-RING (FOR NUT OF FWD PINTLE BEARING) (98D57004003000) to install the bearing-housing assembly (6) i n the forward pintle fitting. (10) TORQUE the bearing-housing assembly (6) to 5.6 M.DAN (41.30 LBF.FT). (11) Make sure that the joint line of the bearing housing-halves (8) is not more than 20 degrees from the aircraft horizontal (DIM ’X’).

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# @A318/A319/A320/A321

AIRCRAFT MAINTENANCE MANUAL (12) If the DIM ’X’ is more than 20 degrees, do these steps: (a) Remove the bearing-housing assembly (6). (b) Remove laminations from the shim (1) as n ecessary. Make sure that the shim (1) has no more than a maximum thickness of 1 mm (0.04 in.).

NOTE : Each lamination has a thickness of 0.05 mm (0.0020 in.). (c) Install the shim (1). (d) Install the bearing-housing assembly (6). (e) TORQUE the bearing-housing asse mbly (6) to 8.6 M.DAN (63.42 LBF.FT). (f) Do a check of DIM ’X’ again. (13) When the DIM ’X’ is correct, remove the bearing-housing assembly (6). (14) Clean the threads of the retaining nut (10) with a LINT-FREE COTTON CLOTH (Material No: 19-003) made moist with CLEANING AGENTS (Material No: 11-026) . (15) Apply a thin layer of SPECIAL MATERIALS (Material No: 05-002) to the last two threads of the retaining nut (10) (DIM ’Z’). (16) Fill the space between the retaining nut (10) and the bush (11) with COMMON GREASES (Material No: 04-004) . ** On A/C POST SB 57-1104 FOR A/C 620-622 624-629 631-633 637-637 640-640 644-644
Subtask 57-26-13-420-054-B A. Preparation For Installation (1) Clean the component interfaces and the adjacent areas with a LINT-FREE COTTON CLOTH (Material No: 19-003) made moist with CLEANING AGENTS (Material No: 11-026) . (2) Do an inspection of the component interface and/or the adjacent area. (3) Do an inspection of the retaining nut (11) (Ref. NTM 572901). If the threads of the retaining nut (11) are damaged or have corrosion, do one of the steps that follow: (a) Record all areas of thread damage and corrosion on the data recording sheets specified in (Ref. NTM 572901). Send the completed d ata recording sheets to Airbus Customer Support for the necessary repair instructions.

or
(b) Do the repair by replacement of the forward p intle bearing retainin g nut, (Ref. SRM 57261302). (4) Make sure that the parts retained from the removed component are c lean and in the correct condition. (5) Put a thin layer of COMMON GREASES (Material No: 04-004) on the interface and the threads of the bearing housing-halves (9). (6) Fill the grease grooves in the bearing (8) and th e bearing housing-halves (9) with COMMON GREASES (Material No: 04-004) . (7) Install the two new (IPC-CSN 57-26-13-02) O-ring seals (10) in the seal grooves on the bearing (8). (8) Assemble the bearing housing-halves (9) and the bea ring (8) together. Make sure that the identification groove in the bearing (8) is adjacent to the flange of the bearing-housing assembly (7). (9) Use the SOCKET-RING (FOR NUT OF FWD PINTLE BEARING) (98D57004003000) to install the bearing-housing assembly (7) i n the forward pintle fitting.

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# @A318/A319/A320/A321

AIRCRAFT MAINTENANCE MANUAL (10) TORQUE the bearing-housing assembly (7) to 5.6 M.DAN (41.30 LBF.FT). (11) Make sure that the joint line of the bearing housing-halves (9) is not more than 20 degrees from the aircraft horizontal (DIM ’X’). (12) If the DIM ’X’ is more than 20 degrees, do these steps: (a) Remove the bearing-housing assembly (7). (b) Remove laminations from the shim (1) as necessary. Make sure that the shim has no more than a maximum thickness of 1 mm (0.04 in.).

NOTE : Each lamination has a thickness of 0.05 mm (0.0020 in.). (c) Install the shim (1). (d) Install the bearing-housing assembly (7). (e) TORQUE the bearing-housing asse mbly (7) to 8.6 M.DAN (63.42 LBF.FT). (f) Do a check of DIM ’X’ again. (13) When the DIM ’X’ is correct, remove the bearing-housing assembly (7). (14) Clean the threads of the retaining nut (11) with a LINT-FREE COTTON CLOTH (Material No: 19-003) made moist with CLEANING AGENTS (Material No: 11-026) . (15) Apply a thin layer of SPECIAL MATERIALS (Material No: 05-002) to the last two threads of the retaining nut (11) (DIM ’Z’). (16) Fill the space between the retaining nut (11) and the bush (12) with COMMON GREASES (Material No: 04-004) . ** On A/C 602-602 642-642 PRE SB 57-1104 FOR A/C 602-602 642-642
Subtask 57-26-13-420-054-C A. Preparation for Installation (1) Clean the component interfaces and the adjacent areas with a LINT-FREE COTTON CLOTH (Material No: 19-003) made moist with CLEANING AGENTS (Material No: 11-026) . (2) Do an inspection of the component interface and/or the adjacent area. (3) Make sure that the parts retaine d from the removed component are c lean and in the correct condition. (4) Put a thin layer of COMMON GREASES (Material No: 04-004) on the interface and the threads of the bearing housing-halves (8). (5) Fill the grease grooves in the bearing (7) and th e bearing housing-halves (8) with COMMON GREASES (Material No: 04-004) . (6) Install the new (IPC-CSN 57-26-13-02) O-ring seal (9) in the seal groove of the bearing housing-halves (8). (7) Assemble the bearing housing-halves (8) and the bea ring (7) together. Make sure that the identification groove in the bearing (7) is adjacent to the flange of the bearing-housing assembly (6). (8) Use the SOCKET-RING (FOR NUT OF FWD PINTLE BEARING) (98D57004003000) to install the bearing-housing assembly (6) i n the forward pintle fitting. (9) TORQUE the bearing-housing asse mbly (6) to 5.6 M.DAN (41.30 LBF.FT). (10) Make sure that the joint line of the bearing housing-halves (8) is not more than 20 degrees from the aircraft horizontal (DIM ’X’).

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# @A318/A319/A320/A321

AIRCRAFT MAINTENANCE MANUAL (11) If the DIM ’X’ is more than 20 degrees, do these steps: (a) Remove the bearing-housing assembly (6). (b) Remove laminations from the shim (1) as n ecessary. Make sure that the shim (1) has no more than a maximum thickness of 1 mm (0.04 in.).

NOTE : Each lamination has a thickness of 0.05 mm (0.0020 in.). (c) Install the shim (1). (d) Install the bearing-housing assembly (6). (e) TORQUE the bearing-housing asse mbly (6) to 8.6 M.DAN (63.42 LBF.FT). (f) Do a check of DIM ’X’ again. (12) When the DIM ’X’ is correct, remove the bearing-housing assembly (6). (13) Clean the threads of the retaining nut (10) with a LINT-FREE COTTON CLOTH (Material No: 19-003) made moist with CLEANING AGENTS (Material No: 11-026) . (14) Apply a thin layer of SPECIAL MATERIALS (Material No: 05-002) to the last two threads of the retaining nut (10) (DIM ’Z’). (15) Fill the space between the retaining nut (10) and the bush (11) with COMMON GREASES (Material No: 04-004) . ** On A/C 102-105 107-114 117-119 121-128 150-159 161-163 165-165 167-167 169-174 176-300 507-510 519-521 523-524 534-599 601-601 604-604 647-665 667-669 672-673 675-705 708-717 721-725 730-730 732-733 737-738 740-742 744-758 760-760 762-799 801-810 812-899 POST SB 57-1104 FOR A/C 602-602 642-642
Subtask 57-26-13-420-054-D A. Preparation For Installation (1) Clean the component interfaces and the adjacent areas with a LINT-FREE COTTON CLOTH (Material No: 19-003) made moist with CLEANING AGENTS (Material No: 11-026) . (2) Do an inspection of the component interface and/or the adjacent area. (3) Make sure that the parts retained from the removed component are c lean and in the correct condition. (4) Put a thin layer of COMMON GREASES (Material No: 04-004) on the interface and the threads of the bearing housing-halves (9). (5) Fill the grease grooves in the bearing (8) and th e bearing housing-halves (9) with COMMON GREASES (Material No: 04-004) . (6) Install the two new (IPC-CSN 57-26-13-02) O-ring seals (10) in the seal grooves on the bearing (8). (7) Assemble the bearing housing-halves (9) and the bea ring (8) together. Make sure that the identification groove in the bearing (8) is adjacent to the flange of the bearing-housing assembly (7). (8) Use the SOCKET-RING (FOR NUT OF FWD PINTLE BEARING) (98D57004003000) to install the bearing-housing assembly (7) i n the forward pintle fitting. (9) TORQUE the bearing-housing asse mbly (7) to 5.6 M.DAN (41.30 LBF.FT). (10) Make sure that the joint line of the bearing housing-halves (9) is not more than 20 degrees from the aircraft horizontal (DIM ’X’). (11) If the DIM ’X’ is more than 20 degrees, do these steps: (a) Remove the bearing-housing assembly (7).

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# @A318/A319/A320/A321

AIRCRAFT MAINTENANCE MANUAL (b) Remove laminations from the shim (1) as necessary. Make sure that the shim has no more than a maximum thickness of 1 mm (0.04 in.).

NOTE : Each lamination has a thickness of 0.05 mm (0.0020 in.). (c) Install the shim (1). (d) Install the bearing-housing assembly (7). (e) TORQUE the bearing-housing asse mbly (7) to 8.6 M.DAN (63.42 LBF.FT). (f) Do a check of DIM ’X’ again. (12) When the DIM ’X’ is correct, remove the bearing-housing assembly (7). (13) Clean the threads of the retaining nut (11) with a LINT-FREE COTTON CLOTH (Material No: 19-003) made moist with CLEANING AGENTS (Material No: 11-026) . (14) Apply a thin layer of SPECIAL MATERIALS (Material No: 05-002) to the last two threads of the retaining nut (11) (DIM ’Z’). (15) Fill the space between the retaining nut (11) and the bush (12) with COMMON GREASES (Material No: 04-004) . ** On A/C 602-602 620-622 624-629 631-633 637-637 640-640 642-642 644-644 PRE SB 57-1104 FOR A/C 602-602 620-622 624-629 631-633 637-637 640-640 642-642 644-644
Subtask 57-26-13-420-050-A B. Installation of the Bearing Assembly (1) Install the bearing-housing assembly (6). (2) TORQUE the bearing-housing asse mbly (6) to 5.6 M.DAN (41.30 LBF.FT). (3) Install the locking ring (5). Make sure that the c hamfer of the locking ring (5) is against the forward pintle fitting.

NOTE : Make sure that the serration of the locking ring is aligned. If not, use the minimum of torque to tighten the bearing housing until it is aligned with the locking ring. (4) Clean the edge of the locking ring (5) and the adjacent surface of the pintle fitting with: . a clean LINT-FREE COTTON CLOTH (Material No: 19-003) made moist with CLEANING AGENTS (Material No: 11-026) . (5) Put a bead of SEALANTS (Material No: 09-002) around the edge of the locking ring (5). (6) Install the seal assembly (4) with the eight bolts (3).

WARNING : WEAR GOGGLES WHEN YOU REMOVE OR INSTALL THE LOCKWIRE. CUT, REMOVE AND DISCARD THE LOCKWIRE AS YOU DO THE TASK. LOOSE LOCKWIRE CAN CUT OR BLIND YOU. (7) Safety the bolts (3) with LOCKWIRE STAINLSS STL ANNEALED 0.8MM DIA (Material No: 19-010) . (8) Clean the threads of the two greasers (2) wit h a clean LINT-FREE COTTON CLOTH (Material No: 19-003) made moist with CLEANING AGENTS (Material No: 11-026) . (9) Put a thin layer of SEALANTS (Material No: 09-018) or SEALANTS (Material No: 09-019) on the threads of the greasers (2). (10) Install the greasers (2) in the seal assembly (4). Make sure that the angle (DIM ’Y’) is between 0 degrees and 120 degrees. If the greasers do not fit at th e correct angle then use different greasers. This makes sure that you have access to the greasers to lubricate the bearing (7).

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# @A318/A319/A320/A321

AIRCRAFT MAINTENANCE MANUAL (11) Put grease into the greasers (2) to make sure that they are clear. ** On A/C 102-105 107-114 117-119 121-128 150-159 161-163 165-165 167-167 169-174 176-300 507-510 519-521 523-524 534-599 601-601 604-604 647-665 667-669 672-673 675-705 708-717 721-725 730-730 732-733 737-738 740-742 744-758 760-760 762-799 801-810 812-899 POST SB 57-1104 FOR A/C 602-602 620-622 624-629 631-633 637-637 640-640 642-642 644-644
Subtask 57-26-13-420-050-B B. Installation of the Bearing Assembly (1) Install the bearing-housing assembly (7). (2) TORQUE the bearing-housing asse mbly (7) to 5.6 M.DAN (41.30 LBF.FT). (3) Install the locking ring (5). Make sure that the c hamfer of the locking ring (5) is against the forward pintle fitting.

NOTE : Make sure that the serration of the locking ring is aligned. If not, use the minimum of torque to tighten the bearing housing until it is aligned with the locking ring. (4) Clean the edge of the locking ring (5) and the adjacent surface of the pintle fitting with: . a clean LINT-FREE COTTON CLOTH (Material No: 19-003) made moist with CLEANING AGENTS (Material No: 11-026) . (5) Put a bead of SEALANTS (Material No: 09-002) around the edge of the locking ring (5). (6) Install the four new (IPC-CSN 57-26-13-02) O-ring seals (6) for the four greasers (2) in the seal assembly (4). (7) Install the seal assembly (4) with the ten bolts (3).

WARNING : BE CAREFUL WHEN YOU USE THE CONSUMABLE MATERIAL(S). YOU MUST OBEY THE OPERATOR’S AND MANUFACTURER’S HEALTH AND SAFETY INSTRUCTIONS. (8) Safety the bolts (3) with LOCKWIRE STAINLSS STL ANNEALED 0.8MM DIA (Material No: 19-010) . (9) Apply a fillet of SEALANTS (Material No: 09-002B) around the outer edge of the seal assembly (4). 5. Close-up ** On A/C ALL
Subtask 57-26-13-410-050-A A. Close Access (1) Make sure that the work area is clean and clear of tool(s) and other items. (2) Install the MLG leg assembly (Ref. TASK 32-11-11-400-001-A).
Subtask 57-26-13-942-050-A B. Removal of Equipment (1) Remove the warning notice(s). (2) Remove the safety barriers. (3) Remove the access platform(s). (4) Remove the ground support and maintenance equi pment, the special and standard tools and all other items.

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Revision n ̊: 50REV. DATE : 01-Nov-2012