W DOC AIRBUS | AMM A320F

Installation of the Ground Service Panel Door of the Green Hydraulic System (197CB)


TASK 52-42-22-400-001-A
Installation of the Ground Service Panel Door of the Green Hydraulic System (197CB)


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.
MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.
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 2M (6 FT)
 B. Referenced Information
REFERENCE
DESIGNATION
TASK 20-28-00-912-802-A
Electrical Bonding - General Maintenance Procedure
TASK 53-35-13-000-002-A
Removal of the Quick-Release Access Panels from the Belly Fairing Structure
TASK 53-35-13-400-002-A
Installation of the Quick-Release Access Panels on the Belly Fairing Structure
3. Job Set-up
Subtask 52-42-22-941-050-A
A. Make sure that the ACCESS PLATFORM 2M (6 FT) is in position below the ground service panel door of the Green hydraulic system.
4. Procedure
Subtask 52-42-22-420-050-A ** ON A/C NOT FOR ALL
A. Installation of the Ground Service Panel Door of the Green Hydraulic System
   (1) Clean the component interfaces and the adjacent area.
   (2) Do an inspection of the component interfaces and the adjacent area.
   (3) Put the access door (2) in the installation position.
   (4) Install the screws (1), the washers (17) and the nuts (16).
   (5) Install the bonding strap (15) (Ref. AMM TASK 20-28-00-912-802).
   (6) If it was necessary to remove the spring bolt assembly, install it as follows:
     (a) Make sure that all parts of the removed spring bolt assembly are clean and in the correct condition.
     (b) Make sure that the bearing flange assy (7) and the hinge (19) are clean and in the correct condition.
     (c) Install the spring bolt (13) with the pin (3) and the retaining ring (14) at the hinge (19).
     (d) Put the compression spring (12) and the guide (10) in position on the spring bolt (13).
     (e) Install the guide (10) with the washers (11), the pin (8) and the retaining ring (9) at the bearing flange assy (7).
   (7) If it was necessary to remove the hinges (18) and (19), install them as follows:
     (a) Make sure that the support fitting assemblies (6) are clean and in the correct condition.
     (b) Install the hinges (18) and (19) with the pins (4) and the retaining rings (5) at the support fitting assemblies (6).
     (c) Connect the spring bolt assembly with the pin (3) and the retaining ring (14).
Subtask 52-42-22-420-050-B ** ON A/C NOT FOR ALL
A. Installation of the Ground Service Panel Door of the Green Hydraulic System
   (1) Clean the component interfaces and the adjacent area.
   (2) Do an inspection of the component interfaces and the adjacent area.
   (3) If removed, assemble the hinges (3) on the ground service panel and attach it with the screws (5) and the washers (4).
   (4) Put the access door (2) on the hinges (3) and attach it with the the bolts (9), the washers (10) and the nuts (11).
   (5) Put the bonding strap (6) on the upper hinge (3) and attach it with the bolt (1), the washer (7) and the nut (8) (Ref. AMM TASK 20-28-00-912-802).
Subtask 52-42-22-820-050-A ** ON A/C NOT FOR ALL
B. Adjustment of the Ground Service Panel Door of the Green Hydraulic System
   (1) Carefully close and lock the access door (2).
   (2) Measure the contour offset between the access door (2) and the panel 197BB.
NOTE: The permitted contour offset is max. 1.5 mm (0.0591 in.) into wind or out of wind.
   (3) If necessary, adjust contour offset as follows:
     (a) If necessary, remove the access panel 197BB (Ref. AMM TASK 53-35-13-000-002).
     (b) Loosen the screws (31).
     (c) Adjust the latch hook (30) until the contour offset value is correct.
     (d) Tighten the screws (31).
     (e) If removed, install the access panel 197BB (Ref. AMM TASK 53-35-13-400-002).
   (4) Make sure that the clearance between the access door (2) and the panel 197BB is correct.
NOTE: The clearance on the hinge side can be between 2.0 mm (0.0787 in.) and 4.0 mm (0.1575 in.). The clearance on the other sides can be between 1.0 mm (0.0394 in.) and 5.0 mm (0.1969 in.).
   (5) Make sure that the access door (2) correctly closed and locked.
Subtask 52-42-22-820-050-B ** ON A/C NOT FOR ALL
B. Adjustment of the Ground Service Panel Door of the Green Hydraulic System
   (1) Carefully close and lock the access door (2).
   (2) Measure the contour offset between the access door (2) and the panel 197KB.
NOTE: The permitted contour offset is max. 1.5 mm (0.0591 in.) into wind or out of wind.
   (3) If necessary, adjust contour offset as follows:
     (a) Remove the access panel 197KB as necessary (Ref. AMM TASK 53-35-13-000-002).
     (b) Loosen the screws (31).
     (c) Adjust the latch hook (30) until you get the correct values.
     (d) Tighten the screws (31).
     (e) Install the access panel 197KB as necessary (Ref. AMM TASK 53-35-13-400-002).
   (4) Make sure that the clearance between access door (2) and the panel 197KB is correct.
NOTE: The clearance on the hinge side can be between 2.0 mm (0.0787 in.) and 4.0 mm (0.1575 in.). The clearance on the other sides can be between 1.0 mm (0.0394 in.) and 5.0 mm (0.1969 in.).
   (5) Make sure that the access door (2) correctly closed and locked.
5. Close-up
Subtask 52-42-22-410-050-A
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Remove the access platform(s).
[Rev.10 from 2021] 2026.04.02 06:28:19 UTC