DOC AIRBUS | AMM A320FInstallation of the Fixed YZ-Latch and YZ-Guide Rail
TASK 25-52-44-400-001-A
Installation of the Fixed YZ-Latch and YZ-Guide Rail
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Expendable Parts
E. Referenced Information
3. Job Set-up
Subtask 25-52-44-860-050-A ** ON A/C NOT FOR ALL
Subtask 25-52-44-910-056-A ** ON A/C NOT FOR ALL
Subtask 25-52-44-210-054-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.03.31 23:38:18 UTC
Installation of the Fixed YZ-Latch and YZ-Guide Rail
WARNING:
DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:
- FLUSH IT AWAY WITH CLEAN WATER
- GET MEDICAL AID.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
CAUTION:
USE ONLY THE SPECIFIED MATERIALS AND OBEY THE INSTRUCTIONS FROM THE MATERIAL MANUFACTURERS. OTHER MATERIALS CAN CAUSE DAMAGE TO THE SURFACE PROTECTION OF THE COMPONENTS AND THE RELATED AREA.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) |
| No specific | 1 | SCRAPER - PLASTIC |
| No specific | 1 | SCRAPER - WOODEN |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.03HBD9) | Synthetic Ester base Grease-General Purpose Low Temp - |
| (Material No.06AAC1) | Polysulfide Sealant-General Purpose Interfay - |
| (Material No.06LCG9) | Non Hardening Jointing Putty-Medium Temp. Area - - |
| (Material No.08BAA9) | Non Aqueous Cleaner-General - - |
| (Material No.12ABB1) | Corrosion Preventive Compound-Water Displacing Hard Film - |
| (Material No.12ACC1) | Corrosion Preventive Compound-Heavy Duty Soft Film - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 130 | FWD CARGO COMPT AFT BULKHEAD OF AVNCS COMPT TO FWD PRESSURE BULKHEAD OF WING CENTER BOX |
| 150 | AFT CARGO COMPARTMENT FWD PRESS BULKHEAD TO AFT BULKHEAD OF AFT CARGO COMPARTMENT |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 6 | COTTER PIN | AIPC 25-52-02-15-100 |
| 6 | COTTER PIN | AIPC 25-52-02-15-120 |
| 15 | COTTER PINS | AIPC 25-52-02-16-020 |
| 6 | COTTER PIN | AIPC 25-52-04-15-076 |
| 15 | COTTER PIN | AIPC 25-52-04-16-020 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 51-75-13-916-002-A | Repair to a layer of Corrosion Preventive Compound |
| TASK 52-30-00-860-001-A | Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
| TASK 52-30-00-860-002-A | Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
| TASK 53-42-14-400-001-A | Installation of the Aft Cargo-Compartment Floor-Panels Zone 150 |
| TASK 53-42-14-400-001-A-01 | Installation of the Aft Cargo-Compartment Floor-Panels (Alternative Installation Procedure with the Skyflex Option) |
Fixed YZ-Latch and YZ-Guide RailSubtask 25-52-44-860-050-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Make sure that the forward and/or aft cargo-compartment door is opened (Ref. AMM TASK 52-30-00-860-001).
(2) Make sure that the ACCESS PLATFORM 2M (6 FT) is in position at the opening of the applicable cargo compartment door.
(3) Make sure that the warning notice is in position at the applicable control panel of the cargo loading system.
Subtask 25-52-44-865-068-A ** ON A/C NOT FOR ALL (1) Make sure that the forward and/or aft cargo-compartment door is opened (Ref. AMM TASK 52-30-00-860-001).
(2) Make sure that the ACCESS PLATFORM 2M (6 FT) is in position at the opening of the applicable cargo compartment door.
(3) Make sure that the warning notice is in position at the applicable control panel of the cargo loading system.
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 2000VU | SEMI AUTO CLS-FWD | 3MY | E08 |
| 2000VU | SEMI AUTO CLS-FWD | 2MY | E06 |
| 2001VU | SEMI AUTO CLS-AFT | 103MY | D08 |
| 2001VU | SEMI AUTO CLS-AFT | 102MY | D06 |
Subtask 25-52-44-910-056-A ** ON A/C NOT FOR ALL
A. Preparation for Installation
(1) Remove the sealant from the YZ-latch and the structure with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a SCRAPER - WOODEN or SCRAPER - PLASTIC.
(2) Clean the contact surface of the YZ-latch and the structure.
(3) Apply Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the spindle(s) (7).
(4) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the threads of all the bolts (1).
Subtask 25-52-44-420-061-U ** ON A/C NOT FOR ALL (1) Remove the sealant from the YZ-latch and the structure with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a SCRAPER - WOODEN or SCRAPER - PLASTIC.
(2) Clean the contact surface of the YZ-latch and the structure.
(3) Apply Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the spindle(s) (7).
(4) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the threads of all the bolts (1).
B. Installation of the Fixed YZ-Latch and the YZ-Guide Rail
(1) Install the fixed YZ-latch:
(a) Apply a layer of the Polysulfide Sealant-General Purpose Interfay - (Material No.06AAC1) on the mating surface of the YZ-latches.
(b) Put the YZ-latch (2) in position on the structure (3).
(c) In the aft cargo compartment, install the bolts (1), the screws (9) and the nuts (4) and (10) at the YZ-latch (2).
(d) In the forward cargo compartment, install the bolts (1) and the nuts (10) at the YZ-latch (2).
(e) Apply the Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) to the fasteners and all other connection elements.
(f) Apply the Corrosion Preventive Compound-Heavy Duty Soft Film - (Material No.12ACC1) on the material applied to the fasteners and the connection elements (Ref. AMM TASK 51-75-13-916-002).
(2) Install the fixed YZ-latch with transport roller:
(a) Put the YZ-latch (8) in position to the structure (3).
(b) In the aft cargo compartment, install the bolts (1), the screws (9) and the nuts (4) and (10) at the YZ-latch (8).
(c) In the forward cargo compartment, install the bolts (1), the screws (9) and the nuts (10) at the YZ-latch (8).
(d) Put the transport roller (5) in position in the YZ-latch (8).
(e) Install the spindle (7) in the YZ-latch (8) and the transport roller (5).
(f) Install the new AIPC 25-52-02-15-100 COTTER PIN (6) or the new AIPC 25-52-02-15-120 COTTER PIN (6) for the forward cargo compartment and the new AIPC 25-52-04-15-076 COTTER PIN (6) for the aft cargo compartment in the YZ-latch (8).
(g) Apply the Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) to the fasteners and all other connection elements.
(h) Apply the Corrosion Preventive Compound-Heavy Duty Soft Film - (Material No.12ACC1) on the material applied to the fasteners and the connection elements (Ref. AMM TASK 51-75-13-916-002).
(j) Install the floor panels in the aft cargo compartment (Ref. AMM TASK 53-42-14-400-001).
(3) Install the YZ-guide rail:
(a) Put the YZ-guide rail (17) in position between the fixed YZ-latches.
(b) Align the holes of the YZ-guide rail (17) with the holes of the YZ-latches.
(c) Install the pins (16).
(d) Safety the pins (16) with the new AIPC 25-52-02-16-020 COTTER PINS (15) for the forward cargo compartment and the new AIPC 25-52-04-16-020 COTTER PIN (15) for the aft cargo compartment.
(e) Apply the Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) to the fasteners and all other connection elements.
(f) Apply the Corrosion Preventive Compound-Heavy Duty Soft Film - (Material No.12ACC1) on the material applied to the fasteners and the connection elements (Ref. AMM TASK 51-75-13-916-002).
5. Close-up(1) Install the fixed YZ-latch:
(a) Apply a layer of the Polysulfide Sealant-General Purpose Interfay - (Material No.06AAC1) on the mating surface of the YZ-latches.
(b) Put the YZ-latch (2) in position on the structure (3).
(c) In the aft cargo compartment, install the bolts (1), the screws (9) and the nuts (4) and (10) at the YZ-latch (2).
(d) In the forward cargo compartment, install the bolts (1) and the nuts (10) at the YZ-latch (2).
(e) Apply the Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) to the fasteners and all other connection elements.
(f) Apply the Corrosion Preventive Compound-Heavy Duty Soft Film - (Material No.12ACC1) on the material applied to the fasteners and the connection elements (Ref. AMM TASK 51-75-13-916-002).
(2) Install the fixed YZ-latch with transport roller:
(a) Put the YZ-latch (8) in position to the structure (3).
(b) In the aft cargo compartment, install the bolts (1), the screws (9) and the nuts (4) and (10) at the YZ-latch (8).
(c) In the forward cargo compartment, install the bolts (1), the screws (9) and the nuts (10) at the YZ-latch (8).
(d) Put the transport roller (5) in position in the YZ-latch (8).
(e) Install the spindle (7) in the YZ-latch (8) and the transport roller (5).
(f) Install the new AIPC 25-52-02-15-100 COTTER PIN (6) or the new AIPC 25-52-02-15-120 COTTER PIN (6) for the forward cargo compartment and the new AIPC 25-52-04-15-076 COTTER PIN (6) for the aft cargo compartment in the YZ-latch (8).
(g) Apply the Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) to the fasteners and all other connection elements.
(h) Apply the Corrosion Preventive Compound-Heavy Duty Soft Film - (Material No.12ACC1) on the material applied to the fasteners and the connection elements (Ref. AMM TASK 51-75-13-916-002).
NOTE: The following worksteps (i) and (j) are necessary for the installation of the fixed YZ-latch without the transport roller (2) and for the installation of the fixed YZ-latch with the transport roller (8).
(i) Make sure that the work area is clean and clear of tools and other items.(j) Install the floor panels in the aft cargo compartment (Ref. AMM TASK 53-42-14-400-001).
(3) Install the YZ-guide rail:
(a) Put the YZ-guide rail (17) in position between the fixed YZ-latches.
(b) Align the holes of the YZ-guide rail (17) with the holes of the YZ-latches.
(c) Install the pins (16).
(d) Safety the pins (16) with the new AIPC 25-52-02-16-020 COTTER PINS (15) for the forward cargo compartment and the new AIPC 25-52-04-16-020 COTTER PIN (15) for the aft cargo compartment.
(e) Apply the Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) to the fasteners and all other connection elements.
(f) Apply the Corrosion Preventive Compound-Heavy Duty Soft Film - (Material No.12ACC1) on the material applied to the fasteners and the connection elements (Ref. AMM TASK 51-75-13-916-002).
Subtask 25-52-44-210-054-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to the serviceable condition.
(1) Install the floor panels in the aft cargo compartment (Ref. AMM TASK 53-42-14-400-001).
(2) Make sure that the work area is clean and clear of tools and other items.
Subtask 25-52-44-865-069-A ** ON A/C NOT FOR ALL (1) Install the floor panels in the aft cargo compartment (Ref. AMM TASK 53-42-14-400-001).
(2) Make sure that the work area is clean and clear of tools and other items.
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 25-52-44-410-054-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 2000VU | SEMI AUTO CLS-FWD | 3MY | E08 |
| 2000VU | SEMI AUTO CLS-FWD | 2MY | E06 |
| 2001VU | SEMI AUTO CLS-AFT | 103MY | D08 |
| 2001VU | SEMI AUTO CLS-AFT | 102MY | D06 |
C. Close Access
(1) Remove the WARNING NOTICE(S).
(2) Remove the access platform(s).
(3) Close the forward and/or aft cargo compartment door (Ref. AMM TASK 52-30-00-860-002).
(1) Remove the WARNING NOTICE(S).
(2) Remove the access platform(s).
(3) Close the forward and/or aft cargo compartment door (Ref. AMM TASK 52-30-00-860-002).