DOC AIRBUS | AMM A320FConnection of one end of the MLG Lock Springs to a MLG Side-Stay
TASK 32-11-19-400-003-A
Connection of one end of the MLG Lock Springs to a MLG Side-Stay
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 32-11-19-941-056-A
Subtask 32-11-19-420-053-A ** ON A/C NOT FOR ALL
Subtask 32-11-19-720-052-A
[Rev.10 from 2021]
2026.04.01 00:40:39 UTC
Connection of one end of the MLG Lock Springs to a MLG Side-Stay
WARNING:
MAKE SURE THAT THE SAFETY DEVICES AND THE WARNING NOTICES ARE IN POSITION BEFORE YOU START A TASK ON OR NEAR:
- THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND RELATED DOORS
- COMPONENTS THAT MOVE.
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 | ACCESS PLATFORM 2M (6 FT) |
| No specific | AR | SAFETY BARRIER(S) |
| No specific | AR | WARNING NOTICE(S) |
| No specific | Torque wrench: range to between 0.51 and 0.34 m.daN (45.13 and 30.09 lbf.in )  | |
| 460005832 | 1 | SPRING EXPANDER-MLG SIDE STAY |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.03GBB1) | Synthetic Oil base Grease-General Purpose Clay Thickened - |
| (Material No.03GCB1) | Synthetic Oil base Grease-Landing Gear Wheel Bearing Lithium Thickened - |
| (Material No.03HBD9) | Synthetic Ester base Grease-General Purpose Low Temp - |
| (Material No.04QAB2) | Coating_- Flexible Structure |
| (Material No.06AAB1) | Polysulfide Sealant-General Purpose Fillet - |
| (Material No.06ACA1) | Polysulfide Sealant-Low Density Multi Purpose Brushable - |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 13 | COTTER PIN | AIPC 32-11-18-02-090 |
| 12 | NUT | AIPC 32-11-18-02-100 |
| 13 | COTTER PIN | AIPC 32-11-85-98-090 |
| 12 | NUT | AIPC 32-11-85-98-100 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 32-00-00-481-001-A | Installation of the Safety Devices on the Landing Gears |
| TASK 32-00-00-860-001-A | Flight Configuration Precautions with Electrical Power |
| TASK 32-00-00-860-001-A-01 | Flight Configuration Precautions without Electrical Power |
| TASK 32-11-19-081-001-A | Removal of the MLG Spring-Expander Tool |
| TASK 32-11-19-481-001-A | Installation of the MLG Spring-Expander Tool |
| TASK 32-31-00-720-002-A | Functional Test of the Normal Extension and Retraction of the Landing Gear |
| TASK 12-22-00-00 | LUBRICATION - DESCRIPTION AND OPERATION |
MLG Locksprings and Spring ExpanderSubtask 32-11-19-941-056-A
A. Safety Precautions
(1) Make sure that the SAFETY BARRIER(S) are in position.
(2) On panel 400VU:
(4) Make sure that the ground safety locks are on the landing gear (Ref. AMM TASK 32-00-00-481-001).
Subtask 32-11-19-860-065-A (1) Make sure that the SAFETY BARRIER(S) are in position.
(2) On panel 400VU:
- Make sure that the landing-gear control-lever 6GA is in the DOWN position
- Put a WARNING NOTICE(S) in position to tell persons not to operate the landing gear
(4) Make sure that the ground safety locks are on the landing gear (Ref. AMM TASK 32-00-00-481-001).
B. Aircraft Maintenance Configuration
(1) Make sure that the flight safety precautions were obeyed (Ref. AMM TASK 32-00-00-860-001).
(2) Make sure that the ACCESS PLATFORM 2M (6 FT) is in position adjacent to the applicable Main Landing Gear (MLG).
Subtask 32-11-19-865-057-A (1) Make sure that the flight safety precautions were obeyed (Ref. AMM TASK 32-00-00-860-001).
(2) Make sure that the ACCESS PLATFORM 2M (6 FT) is in position adjacent to the applicable Main Landing Gear (MLG).
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 49VU | L/G/LGCIU/SYS1/NORM | 1GA | C09 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | LGCIU/BAT SPLY/SYS2 | 59GA | R33 |
| 121VU | LGCIU/BAT SPLY/SYS1 | 58GA | R32 |
| ** ON A/C ALL | |||
| 121VU | HYDRAULIC/LGCIU/SYS2 | 2GA | Q35 |
| 121VU | HYDRAULIC/LGCIU/SYS1/GRND SPLY | 52GA | Q34 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | LGCIU/BAT SPLY/SYS2 | 59GA | R32 |
| 121VU | LGCIU/BAT SPLY/SYS1 | 58GA | R31 |
Subtask 32-11-19-420-053-A ** ON A/C NOT FOR ALL
A. Connection of the MLG Lock Springs
(1) Preparation for connection of the MLG lock spring:
(a) Make sure that the parts retained from the removed component are clean and in the correct condition.
(b) Lubricate with Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-Landing Gear Wheel Bearing Lithium Thickened - (Material No.03GCB1) :
(2) Connection of the lock springs (6) and (8):
(a) Use the location pin (5) to make sure that:
(c) Adjust the 460005832 SPRING EXPANDER-MLG SIDE STAY by use of the driving nut (7), to align:
(e) Attach the bullet (1), (part of the 460005832 SPRING EXPANDER-MLG SIDE STAY), to the pin (2) and install the pin
(f) Make sure the head of the pin (2) points AFT and install the pin (2). The pin (2) will push out the pin (9).
(g) Remove the bullet (1) from the pin (2).
(h) Install the washer (11) and the new AIPC 32-11-18-02-100 NUT (12).
(i) TORQUE the nut (12) to between 0.51 and 0.34 m.daN (45.13 and 30.09 lbf.in ) and install the new AIPC 32-11-18-02-090 COTTER PIN (13).
(j) Remove the 460005832 SPRING EXPANDER-MLG SIDE STAY, (Ref. AMM TASK 32-11-19-081-001).
(3) Application of sealants:
(a) Apply a layer of Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) to:
Subtask 32-11-19-420-053-B ** ON A/C NOT FOR ALL (1) Preparation for connection of the MLG lock spring:
(a) Make sure that the parts retained from the removed component are clean and in the correct condition.
(b) Lubricate with Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-Landing Gear Wheel Bearing Lithium Thickened - (Material No.03GCB1) :
- The pins (2) and (9)
- The spacer (3)
- The bores of the side-stay attachment lugs
- The eye-ends of the lock springs (6) and (8).
NOTE: For lubricant grease specification and lubrication requirements, refer to (Ref. AMM D/O 12-22-00-00).
(c) Install the 460005832 SPRING EXPANDER-MLG SIDE STAY, (Ref. AMM TASK 32-11-19-481-001). (2) Connection of the lock springs (6) and (8):
(a) Use the location pin (5) to make sure that:
- The eye-ends of the lock springs (6) and (8) are aligned with each other.
(c) Adjust the 460005832 SPRING EXPANDER-MLG SIDE STAY by use of the driving nut (7), to align:
- The eye-ends of the lock springs (6) and (8) with the bores of the side-stay attachment lugs.
(e) Attach the bullet (1), (part of the 460005832 SPRING EXPANDER-MLG SIDE STAY), to the pin (2) and install the pin
(f) Make sure the head of the pin (2) points AFT and install the pin (2). The pin (2) will push out the pin (9).
(g) Remove the bullet (1) from the pin (2).
(h) Install the washer (11) and the new AIPC 32-11-18-02-100 NUT (12).
(i) TORQUE the nut (12) to between 0.51 and 0.34 m.daN (45.13 and 30.09 lbf.in )
and install the new AIPC 32-11-18-02-090 COTTER PIN (13). (j) Remove the 460005832 SPRING EXPANDER-MLG SIDE STAY, (Ref. AMM TASK 32-11-19-081-001).
(3) Application of sealants:
(a) Apply a layer of Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) to:
- The ends of the pin (2)
- The nut (12) and the washer (11).
A. Connection of the MLG Lock Springs
(1) Preparation for connection of the MLG lock spring:
(a) Make sure that the parts retained from the removed component are clean and in the correct condition.
(b) Lubricate the items that follow with Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) :
(2) Connection of the lock springs (6) and (8):
(a) Use the location pin (5) to make sure that:
(c) Turn the driving nut (7) to adjust the 460005832 SPRING EXPANDER-MLG SIDE STAY and align:
(e) Install the washers (10) and (4) and the pin (9).
(f) Attach the bullet (1) (part of the 460005832 SPRING EXPANDER-MLG SIDE STAY), to the pin (2).
(g) Make sure the head of the pin (2) points AFT and install the pin (2). The pin (2) will push out the pin (9).
(h) Remove the bullet (1) from the pin (2).
(i) Install the washer (11) and the new AIPC 32-11-18-02-100 NUT (12) or AIPC 32-11-85-98-100 NUT (12).
(j) TORQUE the nut (12) to between 0.51 and 0.34 m.daN (45.13 and 30.09 lbf.in ) and install the new AIPC 32-11-18-02-090 COTTER PIN (13) or AIPC 32-11-85-98-090 COTTER PIN (13).
(k) Remove the 460005832 SPRING EXPANDER-MLG SIDE STAY, (Ref. AMM TASK 32-11-19-081-001).
(3) Application of sealants:
(a) Apply Polysulfide Sealant-Low Density Multi Purpose Brushable - (Material No.06ACA1) to:
Subtask 32-11-19-865-058-A (1) Preparation for connection of the MLG lock spring:
(a) Make sure that the parts retained from the removed component are clean and in the correct condition.
(b) Lubricate the items that follow with Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) :
- The pin (2)
- The spacer (3)
- The bushes of the side-stay attachment lugs.
(2) Connection of the lock springs (6) and (8):
(a) Use the location pin (5) to make sure that:
- The eye-ends of the lock springs (6) and (8) are aligned with each other.
(c) Turn the driving nut (7) to adjust the 460005832 SPRING EXPANDER-MLG SIDE STAY and align:
- The eye-ends of the lock springs (6) and (8) with the bores of the side-stay attachment lugs.
(e) Install the washers (10) and (4) and the pin (9).
(f) Attach the bullet (1) (part of the 460005832 SPRING EXPANDER-MLG SIDE STAY), to the pin (2).
(g) Make sure the head of the pin (2) points AFT and install the pin (2). The pin (2) will push out the pin (9).
(h) Remove the bullet (1) from the pin (2).
(i) Install the washer (11) and the new AIPC 32-11-18-02-100 NUT (12) or AIPC 32-11-85-98-100 NUT (12).
(j) TORQUE the nut (12) to between 0.51 and 0.34 m.daN (45.13 and 30.09 lbf.in )
and install the new AIPC 32-11-18-02-090 COTTER PIN (13) or AIPC 32-11-85-98-090 COTTER PIN (13). (k) Remove the 460005832 SPRING EXPANDER-MLG SIDE STAY, (Ref. AMM TASK 32-11-19-081-001).
(3) Application of sealants:
(a) Apply Polysulfide Sealant-Low Density Multi Purpose Brushable - (Material No.06ACA1) to:
- The ends of the pin (2)
- The nut (12)
- The washer (11).
- The ends of the pin (2)
- The nut (12)
- The washer (11).
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
5. Close-up| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 49VU | L/G/LGCIU/SYS1/NORM | 1GA | C09 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | LGCIU/BAT SPLY/SYS2 | 59GA | R33 |
| 121VU | LGCIU/BAT SPLY/SYS1 | 58GA | R32 |
| ** ON A/C ALL | |||
| 121VU | HYDRAULIC/LGCIU/SYS2 | 2GA | Q35 |
| 121VU | HYDRAULIC/LGCIU/SYS1/GRND SPLY | 52GA | Q34 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | LGCIU/BAT SPLY/SYS2 | 59GA | R32 |
| 121VU | LGCIU/BAT SPLY/SYS1 | 58GA | R31 |
Subtask 32-11-19-720-052-A
A. Test
(1) Do a functional test of the normal extension and retraction of the MLG (Ref. AMM TASK 32-31-00-720-002).
Subtask 32-11-19-942-056-A (1) Do a functional test of the normal extension and retraction of the MLG (Ref. AMM TASK 32-31-00-720-002).
B. Removal of Equipment
(1) Remove the SAFETY BARRIER(S).
(2) Remove the WARNING NOTICE(S).
(3) Remove the access platform(s).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(1) Remove the SAFETY BARRIER(S).
(2) Remove the WARNING NOTICE(S).
(3) Remove the access platform(s).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.