W DOC AIRBUS | AMM A320F

Installation of the Rudder Control Rods

TASK 27-21-52-400-001-A
Installation of the Rudder Control Rods

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.
WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
ZONE: 325
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 10M (33 FT) - ADJUSTABLE
No specific
1
ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific
AR
WARNING NOTICE(S)
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.14QFB1)
Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
325
VERTICAL STABILIZER TRAILING EDGE
312AR, 325AL
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
110
COTTER-PIN
AIPC 27-21-04-22-100
120
COTTER-PIN
AIPC 27-21-04-22-100
13
COTTER PIN
AIPC 27-21-04-22-100
19
COTTER-PIN
AIPC 27-21-04-22-100
25
COTTER-PIN
AIPC 27-21-04-22-100
36
COTTER-PIN
AIPC 27-21-04-22-100
41
COTTER-PIN
AIPC 27-21-04-22-100
45
COTTER-PIN
AIPC 27-21-04-22-100
53
COTTER-PIN
AIPC 27-21-04-22-100
62
COTTER-PIN
AIPC 27-21-04-22-100
70
COTTER-PIN
AIPC 27-21-04-22-100
74
COTTER-PIN
AIPC 27-21-04-22-100
90
COTTER-PIN
AIPC 27-21-04-22-100
99
COTTER-PIN
AIPC 27-21-04-22-100
35
COTTER-PIN
AIPC 27-21-04-22-280
78
COTTER-PIN
AIPC 27-21-04-22-280
110
COTTER-PIN
AIPC 27-21-84-12-010
120
COTTER-PIN
AIPC 27-21-84-12-010
13
COTTER-PIN
AIPC 27-21-84-12-010
19
COTTER-PIN
AIPC 27-21-84-12-010
25
COTTER-PIN
AIPC 27-21-84-12-010
36
COTTER-PIN
AIPC 27-21-84-12-010
41
COTTER-PIN
AIPC 27-21-84-12-010
45
COTTER-PIN
AIPC 27-21-84-12-010
53
COTTER-PIN
AIPC 27-21-84-12-010
62
COTTER-PIN
AIPC 27-21-84-12-010
70
COTTER-PIN
AIPC 27-21-84-12-010
74
COTTER-PIN
AIPC 27-21-84-12-010
90
COTTER-PIN
AIPC 27-21-84-12-010
99
COTTER-PIN
AIPC 27-21-84-12-010
35
COTTER-PIN
AIPC 27-21-84-12-080
78
COTTER-PIN
AIPC 27-21-84-12-080
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 24-41-00-862-002-A
De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01
De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02
De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 27-24-00-710-001-A
Operational Test of the Rudder Hydraulic Actuation
TASK 29-00-00-864-001-A
Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action
TASK 53-55-12-000-001-A
Removal of the Rudder Fairings
TASK 53-55-12-400-001-A
Installation of the Rudder Fairings
TASK 55-33-13-010-002-A
Opening/Removal of the Trailing Edge Access-Panels of the Vertical Stabilizer
TASK 55-33-13-410-002-A
Closing/Installation of the Trailing Edge Access-Panels of the Vertical Stabilizer
F Rudder Control Rods
3. Job Set-up
Subtask 27-21-52-860-051-B
A. Aircraft Maintenance Configuration
   (1) Make sure that the ACCESS PLATFORM 10M (33 FT) - ADJUSTABLE is in position at zone 325.
   (2) Make sure that the rudder fairing 325AL is removed (Ref. AMM TASK 53-55-12-000-001).
   (3) Make sure that the access panels 325BL, 325BR, 325CL and 325DL are open (Ref. AMM TASK 55-33-13-010-002).
   (4) Make sure that the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE is in position at zone 312.
   (5) Make sure that the access door 312AR is open.
   (6) Make sure that the rudder pedals are in the neutral position.
   (7) Make sure that the RUD TRIM indicator on the center pedestal, on the panel 110VU, shows 0.
   (8) Make sure that the warning notices are in position in the cockpit to tell persons not to operate the flight controls.
   (9) Make sure that the hydraulic systems are depressurized and put them in the maintenance configuration
(Ref. AMM TASK 29-00-00-864-001)
   (10) Make sure that the aircraft electrical circuits are de-energized (Ref. AMM TASK 24-41-00-862-002).
   (11) Make sure that the WARNING NOTICE(S) are in position to tell persons not to pressurize the Green, the Yellow and the Blue hydraulic system:
  • in the cockpit on the hydraulic section 40VU of the overhead panel
  • on the ground service panels of the Green, Yellow and Blue hydraulic systems.
   (12) Make sure that the PIN - RIGGING (98D27207545000) (11) is in position in the bellcrank assembly of the travel limitation unit (12).
   (13) Make sure that the PIN - RIGGING (98D27207548000) (1) is in position in the bellcrank assembly of the rudder control unit (2).
   (14) Make sure that the PIN - RIGGING (98D27207547000) (3) is in position in the bellcrank assembly of the rudder cable quadrant (4).
Subtask 27-21-52-865-051-A
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUAUTO FLT/FAC1/28VDC5CC1B04
49VUAUTO FLT/FAC1/26VAC14CC1B03
** ON A/C NOT FOR ALL
49VUAUTO FLT/FAC1/28VDC5CC1H10
49VUAUTO FLT/FAC1/26VAC14CC1H09
** ON A/C ALL
121VUAUTO FLT/RUDDER/TRIM/IND15CCM20
121VUAUTO FLT/FAC2/28VDC5CC2M19
121VUAUTO FLT/FAC2/26VAC14CC2M18
4. Procedure
Subtask 27-21-52-420-050-A
A. Installation of the Rudder Control Rod (5)
WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
   (1) If, during the installation of the rudder control rod (5), you cannot install the bolts (17) and (24) easily, do the steps that follow:
     (a) Cut, remove and discard the lockwire from the nuts (18) and (22) and from the rudder control rod (5).
     (b) Loosen the nuts (18) and (22) from the rudder control rod ends.
     (c) Hold the disconnected eye-ends and turn only the rudder control rod (5) until you can install the bolts (17) and (24).
     (d) Tighten the nuts (18) and (22).
     (e) Safety the nuts (18) and (22) with the lockwire 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
   (2) Installation of the rudder control rod (5):
     (a) Put the rudder control rod (5) in the installation position.
     (b) Install the bolt (17), the washer (15) and the nut (14).
     (c) Tighten the nut (14).
     (d) Safety the nut (14) with the new AIPC 27-21-04-22-100 COTTER PIN (13) or AIPC 27-21-84-12-010 COTTER-PIN (13).
     (e) Install the bolt (24) with the washer (21) and the nut (20).
     (f) Tighten the nut (20).
     (g) Safety the nut (20) with the new AIPC 27-21-04-22-100 COTTER-PIN (19) or AIPC 27-21-84-12-010 COTTER-PIN (19).
   (3) Connect the rudder control rod (7):
     (a) Remove the adhesive tape from the rudder control rod (7).
     (b) Put the rudder control rod (7) in the installation position.
     (c) Install the bolt (29), the washer (27) and the nut (26).
     (d) Tighten the nut (26).
     (e) Safety the nut (26) with the new AIPC 27-21-04-22-100 COTTER-PIN (25) or AIPC 27-21-84-12-010 COTTER-PIN (25).
   (4) Installation of the half-clamps (32):
     (a) Put the half-clamps (32) and the spacer-tube (33) in position.
     (b) Install the bolt (30), the washers (31) and the nut (34).
     (c) Tighten the nut (34).
     (d) Safety the nut (34) with the new AIPC 27-21-04-22-280 COTTER-PIN (35) or AIPC 27-21-84-12-080 COTTER-PIN (35).
Subtask 27-21-52-420-051-A
B. Installation of the Rudder Control Rod (6)
WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
   (1) If, during the installation of the rudder control rod (6), you cannot install the bolts (50) and (52) easily, do the steps that follow:
     (a) Cut, remove and discard the lockwire from the nuts (40) and (44) and from the rudder control rod (6).
     (b) Loosen the nuts (40) and (44) from the rudder control rod ends.
     (c) Hold the disconnected eye-ends and turn only the rudder control rod (6) until you can install the bolts (50) and (52).
     (d) Tighten the nuts (40) and (44).
     (e) Safety the nuts (40) and (44) with the lockwire 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
   (2) Installation of the rudder control rod (6):
     (a) Put the rudder control rod (6) in the installation position on the bellcranks (39) and (51).
     (b) Install the bolt (52), the washer (38) and the nut (37).
     (c) Tighten the nut (37).
     (d) Safety the nut (37) with the new AIPC 27-21-04-22-100 COTTER-PIN (36) or AIPC 27-21-84-12-010 COTTER-PIN (36).
     (e) Install the bolt (50), the washer (43) and the nut (42).
     (f) Tighten the nut (42).
     (g) Safety the nut (42) with the new AIPC 27-21-04-22-100 COTTER-PIN (41) or AIPC 27-21-84-12-010 COTTER-PIN (41).
   (3) Connect the control rod (8):
     (a) Remove the adhesive tape from the rudder control rod (8).
     (b) Put the control rod (8) in the installation position on the rudder control rod (6).
     (c) Install the bolt (49), the washer (47) and the nut (46).
     (d) Tighten the nut (46).
     (e) Safety the nut (46) with the new AIPC 27-21-04-22-100 COTTER-PIN (45) or AIPC 27-21-84-12-010 COTTER-PIN (45).
   (4) Installation of the half-clamps (32):
     (a) Put the half-clamps (32) and the spacer-tube (33) in position.
     (b) Install the bolt (30), the washers (31) and the nut (34).
     (c) Tighten the nut (34).
     (d) Safety the nut (34) with the new AIPC 27-21-04-22-280 COTTER-PIN (35) or AIPC 27-21-84-12-080 COTTER-PIN (35).
Subtask 27-21-52-420-052-A
C. Installation of the Rudder Control Rod (7)
WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
   (1) If, during the installation of the rudder control rod (7), you cannot install the bolts (58) and (63) easily, do the steps that follow:
     (a) Cut, remove and discard the lockwire from the nuts (56) and (57) and from the rudder control rod (7).
     (b) Loosen the nuts (56) and (57) from the rudder control rod ends.
     (c) Hold the disconnected eye-ends and turn only the rudder control rod (7) until you can install the bolts (58) and (63).
     (d) Tighten the nuts (56) and (57).
     (e) Safety the nuts (56) and (57) with the lockwire 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
   (2) Installation of the rudder control rod (7):
     (a) Put the control rod (7) in the installation position on the rudder control rod (5) and the bellcrank (59).
     (b) Install the bolt (63), the washer (55) and the nut (54).
     (c) Tighten the nut (54).
     (d) Safety the nut (54) with the new AIPC 27-21-04-22-100 COTTER-PIN (53) or AIPC 27-21-84-12-010 COTTER-PIN (53).
     (e) Install the bolt (58), the washer (60) and the nut (61).
     (f) Tighten the nut (61).
     (g) Safety the nut (61) with the new AIPC 27-21-04-22-100 COTTER-PIN (62) or AIPC 27-21-84-12-010 COTTER-PIN (62).
Subtask 27-21-52-420-053-A
D. Installation of the Rudder Control Rod (8)
WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
   (1) During the installation of the rudder control rod (8)
(if you cannot install the bolts (82) and (84) easily, do the steps that follow):
     (a) Cut, remove and discard the lockwire from the nuts (73) and (77) and from the rudder control rod (8).
     (b) Loosen the nuts (73) and (77) from the rudder control rod ends.
     (c) Hold the disconnected eye-ends and turn only the rod (8) until you can install the bolts (82) and (84).
     (d) Tighten the nuts (73) and (77).
     (e) Safety the nuts (73) and (77) with the lockwire 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
   (2) Installation of the rudder control rod (8):
     (a) Put the rudder control rod (8) in the installation position on the rudder control rod (6) and the bellcrank (39).
     (b) Install the bolt (84), the washer (72) and the nut (71).
     (c) Tighten the nut (71).
     (d) Safety the nut (71) with the new AIPC 27-21-04-22-100 COTTER-PIN (70) or AIPC 27-21-84-12-010 COTTER-PIN (70).
     (e) Install the bolt (82), the washer (76) and the nut (75).
     (f) Tighten the nut (75).
     (g) Safety the nut (75) with the new AIPC 27-21-04-22-100 COTTER-PIN (74) or AIPC 27-21-84-12-010 COTTER-PIN (74).
   (3) Connect the rudder control rod (9):
     (a) Remove the adhesive tape from the control rod (9).
     (b) Put the rudder control rod (9) in the installation position on the rudder control rod (8).
     (c) Install the bolt (81), the washer (80) and the nut (79).
     (d) Tighten the nut (79).
     (e) Safety the nut (79) with the new AIPC 27-21-04-22-280 COTTER-PIN (78) or AIPC 27-21-84-12-080 COTTER-PIN (78).
   (4) Installation of the half-clamps (32):
     (a) Put the half-clamps (32) and the spacer-tube (33) in position.
     (b) Install the bolt (30), the washers (31) and the nut (34).
     (c) Tighten the nut (34).
     (d) Safety the nut (34) with the new AIPC 27-21-04-22-280 COTTER-PIN (35) or AIPC 27-21-84-12-080 COTTER-PIN (35).
Subtask 27-21-52-420-054-A
E. Installation of the Rudder Control Rod (9)
WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
   (1) During the installation of the rudder control rod (9)
(if you cannot install the bolts (95) and (100) easily, do the steps that follow):
     (a) Cut, remove and discard the lockwire from the nuts (93) and (94) and from the rudder control rod (9).
     (b) Loosen the nuts (93) and (94) from the rudder control rod ends.
     (c) Hold the disconnected eye-ends and turn only the rudder control rod (9) until you can install the bolts (95) and (100).
     (d) Tighten the nuts (93) and (94).
     (e) Safety the nuts (93) and (94) with the lockwire 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
   (2) Installation of the rudder control rod (9):
     (a) Put the rudder control rod (9) in the installation position on the rudder control rod (8) and the bellcrank (96).
     (b) Install the bolt (100), the washer (92) and the nut (91).
     (c) Tighten the nut (91).
     (d) Safety the nut (91) with the new AIPC 27-21-04-22-100 COTTER-PIN (90) or AIPC 27-21-84-12-010 COTTER-PIN (90).
     (e) Install the bolt (95), the washer (97) and the nut (98).
     (f) Tighten the nut (98).
     (g) Safety the nut (98) with the new AIPC 27-21-04-22-100 COTTER-PIN (99) or AIPC 27-21-84-12-010 COTTER-PIN (99).
Subtask 27-21-52-420-055-A
F. Installation of the Rudder Control Rod (10)
WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
   (1) During the installation of the rudder control rod (10)
(If you cannot install the bolts (116) and (121) easily, do the steps that follow):
     (a) Cut, remove and discard the lockwire from the nuts (114) and (115) and from the rudder control rod (10).
     (b) Loosen the nuts (114) and (115) from the rudder control rod ends.
     (c) Hold the disconnected eye-ends and turn only the rudder control rod (10) until you can install the bolts (116) and (121).
     (d) Tighten the nuts (114) and (115).
     (e) Safety the nuts (114) and (115) with the lockwire 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
   (2) Installation of the rudder control rod (10):
     (a) Put the rudder control rod (10) in the installation position on the bellcranks (113) and (117).
     (b) Install the bolt (121), the washer (112) and the nut (111).
     (c) Tighten the nut (111).
     (d) Safety the nut (111) with the new AIPC 27-21-04-22-100 COTTER-PIN (110) or AIPC 27-21-84-12-010 COTTER-PIN (110).
     (e) Install the bolt (116), the washer (118) and the nut (119).
     (f) Tighten the nut (119).
     (g) Safety the nut (119) with the new AIPC 27-21-04-22-100 COTTER-PIN (120) or AIPC 27-21-84-12-010 COTTER-PIN (120).
Subtask 27-21-52-080-050-A
G. Preparation for the Test
   (1) Remove the 98D27207547000 PIN-RIGGING (3) from the bellcrank assembly of the rudder cable quadrant (4).
   (2) Remove the 98D27207548000 PIN-RIGGING (1) from the the mixer of the artificial feel unit (2).
   (3) Remove the 98D27207545000 PIN-RIGGING (11) from the bellcrank assembly of the rudder travel limitation unit (12).
Subtask 27-21-52-865-052-A
H. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUAUTO FLT/FAC1/28VDC5CC1B04
49VUAUTO FLT/FAC1/26VAC14CC1B03
** ON A/C NOT FOR ALL
49VUAUTO FLT/FAC1/28VDC5CC1H10
49VUAUTO FLT/FAC1/26VAC14CC1H09
** ON A/C ALL
121VUAUTO FLT/RUDDER/TRIM/IND15CCM20
121VUAUTO FLT/FAC2/28VDC5CC2M19
121VUAUTO FLT/FAC2/26VAC14CC2M18
Subtask 27-21-52-710-050-A
I. Do an operational test of the rudder mechanical control (Ref. AMM TASK 27-24-00-710-001).
5. Close-up
Subtask 27-21-52-410-050-B
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Install the rudder fairing 325AL (Ref. AMM TASK 53-55-12-400-001).
   (3) Close the access panels 325BL, 325BR, 325CL, 325DL (Ref. AMM TASK 55-33-13-410-002).
   (4) Close the access door 312AR.
Subtask 27-21-52-862-050-A
B. Put the aircraft back to its initial configuration.
   (1) Remove the access platform(s).
   (2) Remove the WARNING NOTICE(S).
   (3) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
[Rev.10 from 2021] 2026.04.01 06:49:43 UTC
"Aviabrain" 2025