W DOC AIRBUS | AMM A320F

Installation of the Vent Door Mechanism


TASK 52-32-21-400-003-A
Installation of the Vent Door Mechanism


WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.03HBD9)
Synthetic Ester base Grease-General Purpose Low Temp -
(Material No.04QAB2)
Coating_- Flexible Structure
(Material No.06AAA1)
Polysulfide Sealant_General Purpose Brushable -
(Material No.06AAB1)
Polysulfide Sealant-General Purpose Fillet -
(Material No.12ABB1)
Corrosion Preventive Compound-Water Displacing Hard Film -
(Material No.12ABC1)
Corrosion Preventive Compound_Water Displacing Soft Film -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
826AR
826BR, 826CR
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
10
COTTER PIN
AIPC 52-31-21-42-020
10
COTTER PIN
AIPC 52-31-82-42-020
10
COTTER PIN
AIPC 52-32-21-45-020
103
COTTER PIN
AIPC 52-32-21-45-020
12
COTTER PIN
AIPC 52-32-21-45-020
22
COTTER PIN
AIPC 52-32-21-45-020
5
COTTER PIN
AIPC 52-32-21-45-020
75
COTTER PIN
AIPC 52-32-21-45-020
77
COTTER PIN
AIPC 52-32-21-45-020
87
COTTER PIN
AIPC 52-32-21-45-020
96
COTTER PIN
AIPC 52-32-21-45-100
91
COTTER PIN
AIPC 52-32-21-45-150
10
COTTER PIN
AIPC 52-32-21-46-020
12
COTTER PIN
AIPC 52-32-21-46-020
22
COTTER PIN
AIPC 52-32-21-46-020
5
COTTER PIN
AIPC 52-32-21-46-020
75
COTTER PIN
AIPC 52-32-21-46-020
77
COTTER PIN
AIPC 52-32-21-46-020
87
COTTER PIN
AIPC 52-32-21-46-020
96
COTTER PIN
AIPC 52-32-21-46-100
91
COTTER PIN
AIPC 52-32-21-46-160
 E. Referenced Information
REFERENCE
DESIGNATION
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 52-32-00-720-001-A
Functional Check of Aft Cargo-Compartment Door, Comprising Functional Checks of Locking Mechanism, Interlock Mechanism, Drift Pin Mechanism, Safety Mechanism
TASK 52-32-11-820-003-A
Adjustment of the Vent Door
TASK 52-32-13-000-001-A
Removal of the Lining and Insulation
TASK 52-32-13-400-001-A
Installation of the Lining and Insulation
TASK 52-32-33-400-001-A
Installation of the Door Fairings and Access Panels
TASK 52-71-12-400-002-A
Installation of the Proximity Switches
F Linkage of the Vent Door ** ON A/C NOT FOR ALL
F Linkage of the Vent Door ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 52-32-21-860-052-A
A. Aircraft Maintenance Configuration
   (1) Make sure that the AFT cargo-compartment door (referred to as cargo door) is opened and safetied with the actuator safety locks (Ref. AMM TASK 52-30-00-860-001).
   (2) Make sure that the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position below the opened cargo door.
   (3) Make sure that the access panel(s) is (are) removed from the cargo door.
   (4) Make sure that the lining and the insulation is removed from the cargo door (Ref. AMM TASK 52-32-13-000-001).
   (5) Make sure that the vent door cover is removed from the internal door structure.
Subtask 52-32-21-865-057-A
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
121VUHYDRAULIC/HYD POWER/Y3803GXN30
** ON A/C NOT FOR ALL
121VUHYDRAULIC/HYD POWER/Y3803GXN31
** ON A/C ALL
122VUDOORS/CARGO1MJT12
123VUY HYD/ELEC/PUMP3802GXAB06
123VUY HYD/ELEC/ELEC PUMP/NORM3801GXAB03
4. Procedure
Subtask 52-32-21-910-051-B ** ON A/C NOT FOR ALL
A. Preparation for Installation
   (1) Make sure that the parts retained from the removed component are clean and in the correct condition.
   (2) Clean the component interfaces and the adjacent area.
   (3) Do an inspection of the component interfaces and the adjacent area.
   (4) Apply Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) to the mating surface of the gear box (123) and the structural bearing at longeron 4.
   (5) Apply Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) to the mating surface of the flange bearing (122) and the support bracket (117).
   (6) Apply Polysulfide Sealant_General Purpose Brushable - (Material No.06AAA1) to the shaft and the heads of the screws (119) and the bolts (112).
   (7) Apply Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the mating surfaces of the drive shaft lever (102), the safety cam (130), the lever (124) and the shaft lever (110).
Subtask 52-32-21-910-051-C ** ON A/C NOT FOR ALL
A. Preparation for Installation
F Linkage of the Vent Door ** ON A/C NOT FOR ALL
F Linkage of the Vent Door ** ON A/C NOT FOR ALL
   (1) Make sure that the parts retained from the removed component are clean and in the correct condition.
   (2) Clean the component interfaces and the adjacent area.
   (3) Do an inspection of the component interfaces and the adjacent area.
   (4) Apply Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) to the mating surface of the cover assembly (17) and the structural bearing at beam 4.
   (5) Apply Polysulfide Sealant_General Purpose Brushable - (Material No.06AAA1) to the shaft and the heads of the bolts (14), (19), (18), (15) and (6) and (2).
Subtask 52-32-21-560-052-B ** ON A/C NOT FOR ALL
B. Preparation for the Replacement Components
   (1) Install the gear box (123) temporarily at longeron (116) with screws (119).
   (2) Measure the gap between the surface of the gear box (123) and the longeron (116) find the correct thickness of the laminated shim (115).
   (3) Remove the screws (119) and the temporarily installed gear box (116) from the longeron (116).
   (4) Remove as many layers of the laminated shim (115) as necessary to get the correct thickness.
NOTE: Make sure that the thickness of the laminated shim (115) is one layer thicker than the measured gap. This is necessary because the thickness of the laminated shim (115) becomes smaller when it is compressed during the installation.
Subtask 52-32-21-420-052-B ** ON A/C NOT FOR ALL
C. Installation of the Gear Box
   (1) If removed, attach the flange bearing (122) on the support bracket of the cargo door structure as follows:
     (a) Put the flange bearing (122) in the installation position of the support bracket (117).
     (b) Install the bolts (112), the washers (113) and the nuts (114) and tighten them.
     (c) When the sealant is dry, apply Coating_- Flexible Structure (Material No.04QAB2) to protect the sealant.
   (2) Install the gear box (123) on the cargo door structure as follows:
     (a) Put the laminated shim (115) on the output shaft of the gear box (123).
     (b) Move the output shaft of the gear box (123) into the structural bearing at longeron (116) and the flange bearing (122).
     (c) Install the screws (119) and the washers (118) and tighten them to attach the gear box (123) on the longeron (116).
     (d) Turn the output shaft of the gear box (123) to make sure that the gear rotates freely.
   (3) Connect the shaft lever (76) to the output shaft of the gearbox (123) as follows:
     (a) Put the shaft lever (76) in position on the output shaft and make sure that the pin holes are align.
     (b) Install the tapered pins (111), the sleeves (121) and the nuts (120) on the shaft lever (76).
     (c) Tighten the nuts (120).
     (d) Install the protection plug (110) on the top of the shaft lever (76).
   (4) Assemble the drive shaft lever (102) on the drive shaft of the gear box (123) as follows:
     (a) Put and hold the safety cam (130) and the lever (124) in the installation position on the cargo door frame.
     (b) Put the drive shaft lever (102) through the cargo door frame to engage it with the drive shaft of the gear box (123).
     (c) Make sure that the pin holes of the drive shaft lever (102), the lever (124) and the drive shaft are align.
     (d) Install the tapered pins (125), the sleeves (126), the washers (127) and the nuts (128) on the lever (124).
     (e) Tighten the nuts (128).
     (f) Make sure that the pin holes of the drive shaft lever (102) and the safety cam (130) are aligned.
     (g) Install the tapered pins (129), the sleeves (131) washers (132) and the nuts (133) on the safety cam (130).
     (h) Tighten the nuts (133).
Subtask 52-32-21-420-052-C ** ON A/C NOT FOR ALL
C. Installation of the Cover Assembly
   (1) Put the shaft lever (15) in position and install the shaft (16) through the cover assembly (17).
   (2) Align the shaft lever (15) with the shaft (16) and install the tapered pin (11), the spacer (7) and the nut (6).
   (3) Tighten the nut (6).
   (4) Put the cover assembly (17) in position on the beam 4 and install the bolts (19) and the washers (18).
   (5) Tighten the bolts (19).
   (6) Align the shaft lever (15) with the fork-end of the connection link (12) and install the bolt (14), the washers (13) and (8) and the nut (9).
   (7) Tighten the nut (9).
   (8) Safety the nut (9) with a new AIPC 52-31-21-42-020 COTTER PIN (10) or AIPC 52-31-82-42-020 COTTER PIN (10).
   (9) Align the shaft lever (3) on the shaft (16) and install the tapered pin (2), the spacer (4), and the nut (5).
   (10) Tighten the nut (5).
Subtask 52-32-21-420-066-B ** ON A/C NOT FOR ALL
D. Installation of the Linkage
   (1) Connect the connection rod (82) to the vent door lever (85) of the safety shaft as follows:
     (a) Put the lower eye end of the connection rod (82) on the fork end of the vent door lever (85).
     (b) Install the bolt (83), the washers (84) and the nut (86).
     (c) Tighten the nut (86) and safety it with the new AIPC 52-32-21-45-020 COTTER PIN (87).
   (2) Connect the connection rod (82) on the lever (80) as follows:
     (a) Put the upper eye end of the connection rod (82) on the fork end of the lever (80).
     (b) Install the bolt (81), the washers (79) and the nut (78) on the lever (80).
     (c) Tighten the nut (78) and safety it with the new
AIPC 52-32-21-45-020 COTTER PIN (77).
   (3) Connect the link assembly (88) on the drive shaft lever (102) as follows:
     (a) Put the fork-end of the link assembly (88) on the eye-end of the drive shaft lever (102) and install the bolt (101),the sleeve (100), the washer (98) and the nut (97).
     (b) Tighten the nut (97) and safety it with the new
AIPC 52-32-21-45-100 COTTER PIN (96).
   (4) Connect the link assembly (88) on the target lever (90) as follows:
     (a) Put the fork end of the link assembly (88) on the target lever (90) and install the bolt (89), the bush (94), the washer (93) and the nut (92).
     (b) Tighten the nut (92) and safety it with the new
AIPC 52-32-21-45-150 COTTER PIN (91).
   (5) Connect the drawbar (71) on the shaft lever (76) as follows:
     (a) Put the eye end of the drawbar (71) into the fork end of the shaft lever (76).
     (b) Install the bolt (72), the washers (73) and the nut (74) on the shaft lever (76).
     (c) Tighten the nut (74) and safety it with the new
AIPC 52-32-21-45-020 COTTER PIN (75).
   (6) Connect the drawbar (71) on the actuator arm (107) of the vent door as follows:
     (a) Put the eye end of the drawbar (71) into the fork end of the actuator arm (107).
     (b) Install the bolt (108), the washers (105), the bush (106) and the nut (104) on the actuator arm (107).
     (c) Tighten the nut (104) and safety it with the new
AIPC 52-32-21-45-020 COTTER PIN (103).
Subtask 52-32-21-420-066-D ** ON A/C NOT FOR ALL
D. Installation of the Linkage
   (1) Connect the connection rod (82) to the vent door lever (85) of the safety shaft as follows:
     (a) Put the lower eye end of the connection rod (82) on the fork end of the vent door lever (85).
     (b) Install the bolt (83), the washers (84) and the nut (86).
     (c) Tighten the nut (86) and safety it with the new AIPC 52-32-21-46-020 COTTER PIN (87).
   (2) Connect the connection rod (82) on the lever (80) as follows:
     (a) Put the upper eye end of the connection rod (82) on the fork end of the lever (80).
     (b) Install the bolt (81), the washers (79) and the nut (78) on the lever (80).
     (c) Tighten the nut (78) and safety it with the new
AIPC 52-32-21-46-020 COTTER PIN (77).
   (3) Connect the link assembly (88) on the drive shaft lever (102) as follows:
     (a) Put the fork-end of the link assembly (88) on the eye-end of the drive shaft lever (102) and install the bolt (101),the sleeve (100), the washer (98) and the nut (97).
     (b) Tighten the nut (97) and safety it with the new
AIPC 52-32-21-46-100 COTTER PIN (96).
   (4) Connect the link assembly (88) on the target lever (90) as follows:
     (a) Put the fork end of the link assembly (88) on the target lever (90) and install the bolt (89), the bush (94), the washer (93) and the nut (92).
     (b) Tighten the nut (92) and safety it with the new
AIPC 52-32-21-46-160 COTTER PIN (91).
   (5) Connect the drawbar (71) on the shaft lever (76) as follows:
     (a) Put the eye end of the drawbar (71) into the fork end of the shaft lever (76).
     (b) Install the bolt (72), the washers (73) and the nut (74) on the shaft lever (76).
     (c) Tighten the nut (74) and safety it with the new
AIPC 52-32-21-46-020 COTTER PIN (75).
   (6) Connect the drawbar (71) on the actuator arm (107) of the vent door as follows:
     (a) Put the eye end of the drawbar (71) into the fork end of the actuator arm (107).
     (b) Install the bolt (108), the washers (105), the bush (106) and the nut (104) on the actuator arm (107).
     (c) Tighten the nut (104) and safety it with the new
AIPC 52-32-21-45-020 COTTER PIN (103).
Subtask 52-32-21-420-066-F ** ON A/C NOT FOR ALL Subtask 52-32-21-420-066-H ** ON A/C NOT FOR ALL Subtask 52-32-21-820-052-B Subtask 52-32-21-720-051-A
F. Test Procedure
   (1) Make sure that the proximity switch 32WV operates satisfactorily (Ref. AMM TASK 52-32-00-720-001).
5. Close-up
Subtask 52-32-21-410-052-A ** ON A/C NOT FOR ALL
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Apply Corrosion Preventive Compound_Water Displacing Soft Film - (Material No.12ABC1) or Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) to all the components of the vent door mechanism and to the adjacent cargo door structure.
   (3) Install the removed parts of the lining and insulation on the cargo door (Ref. AMM TASK 52-32-13-400-001).
   (4) Install the vent door cover on the inner side of the cargo door.
   (5) Install the access panel 826AR on the cargo door.
Subtask 52-32-21-410-052-B ** ON A/C NOT FOR ALL
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Apply Corrosion Preventive Compound_Water Displacing Soft Film - (Material No.12ABC1) or Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) to all the components of the vent door mechanism and to the adjacent cargo door structure.
   (3) Install the removed parts of the lining and insulation on the cargo door (Ref. AMM TASK 52-32-13-400-001).
   (4) Install the vent door cover on the inner side of the cargo door.
   (5) Install the access panels 826AR and 826BR and the door fairing 826CR on the cargo door (Ref. AMM TASK 52-32-33-400-001).
Subtask 52-32-21-865-058-A
B. Make sure that this(these) circuit breaker(s) is(are) closed:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
121VUHYDRAULIC/HYD POWER/Y3803GXN30
** ON A/C NOT FOR ALL
121VUHYDRAULIC/HYD POWER/Y3803GXN31
** ON A/C ALL
122VUDOORS/CARGO1MJT12
123VUY HYD/ELEC/PUMP3802GXAB06
123VUY HYD/ELEC/ELEC PUMP/NORM3801GXAB03
Subtask 52-32-21-410-053-B
C. Close Access
   (1) Remove the access platform(s).
   (2) Remove the actuator safety locks and close the AFT cargo door (Ref. AMM TASK 52-30-00-860-002).
[Rev.10 from 2021] 2026.04.02 06:28:00 UTC