W DOC AIRBUS | AMM A320F

Installation of the CAPT Yaw/Brake Bellcrank


TASK 27-21-44-400-001-A
Installation of the CAPT Yaw/Brake Bellcrank


ZONE: 120
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) - ADJUSTABLE
No specific
AR
WARNING NOTICE(S)
No specific
Torque wrench: range to between 0.55 and 0.45 m.daN (48.67 and 39.82 lbf.in ) T
No specific
Torque wrench: range to between 1.32 and 1.08 m.daN (116.81 and 95.58 lbf.in ) T
No specific
Torque wrench: range to between 1.51 and 1.24 m.daN (133.63 and 109.73 lbf.in ) T
98A27901002000
3
PIN-RIGGING,RUDDER CONTROL
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.03HBD9)
Synthetic Ester base Grease-General Purpose Low Temp -
No specific
lockwire corrosion resistant steel dia 0.8 mm (0.03 in.)
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
120
AVIONICS COMPARTMENT
811
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
11
COTTER PIN
AIPC 27-21-01-01-010
19
COTTER PIN
AIPC 27-21-01-01-010
24
COTTER PIN
AIPC 27-21-01-01-010
32
COTTER PIN
AIPC 27-21-01-01-010
48
COTTER PIN
AIPC 27-21-44-01-010
41
NUTS
AIPC 27-21-44-01-130
11
COTTER PIN
AIPC 27-21-81-01-010
19
COTTER PIN
AIPC 27-21-81-01-010
24
COTTER PIN
AIPC 27-21-81-01-010
32
COTTER PIN
AIPC 27-21-81-01-010
55
COTTER PIN
AIPC 32-42-01-04-010
58
COTTER PIN
AIPC 32-42-01-04-010
60
COTTER PIN
AIPC 32-42-01-04-010
63
COTTER PIN
AIPC 32-42-01-04-010
55
COTTER PIN
AIPC 32-42-81-04-010
58
COTTER PIN
AIPC 32-42-81-04-010
60
COTTER PIN
AIPC 32-42-81-04-010
63
COTTER PIN
AIPC 32-42-81-04-010
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 27-24-00-710-001-A
Operational Test of the Rudder Hydraulic Actuation
TASK 32-42-00-710-001-A
Operational Check of the Normal Braking System
TASK 32-43-00-710-001-A
Operational Check of Alternate Braking System
F Location of the Rigging Points ** ON A/C NOT FOR ALL
F CAPT Yaw/Brake Bellcrank ** ON A/C NOT FOR ALL
F Location of the Rigging Points ** ON A/C NOT FOR ALL
F CAPT Yaw/Brake Bellcrank ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 27-21-44-010-052-A
A. Get Access
   (1) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position.
   (2) Make sure that the access door 811 is open.
   (3) Make sure that the WARNING NOTICE(S) to tell persons not to operate the Green and the Yellow hydraulic systems is in position.
   (4) Make sure that the WARNING NOTICE(S) to tell persons not to operate the pedals is in position.
   (5) Make sure that the 98A27901002000 PIN-RIGGING,RUDDER CONTROL (36) is in position on the tension regulator.
4. Procedure
Subtask 27-21-44-420-050-A ** ON A/C NOT FOR ALL
A. Installation of the CAPT Yaw/Brake Bellcrank
   (1) Clean the component interfaces and the adjacent area.
   (2) Do an inspection of the component interfaces and the adjacent area.
   (3) Apply Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the attachment hardware.
   (4) Turn the yaw bellcrank (2) 90 degrees and install the yaw/brake bellcrank on the beam (40).
   (5) Install the sleeves (45) and (73).
   (6) Install the bolts (50) and (49).
     (a) Install and tighten the new AIPC 27-21-44-01-130 NUTS (41).
   (7) Install the rod (42) on the sleeve (45) and install the bolt (43).
   (8) Put the washer (46) in position and install and tighten the nut (47). Safety the nut (47) with the new
AIPC 27-21-44-01-010 COTTER PIN (48).
   (9) Install the rod (62) and the bolt (51).
   (10) Put the washer (53) in position, install and tighten the nut (54). Safety the nut (54) with the new
AIPC 32-42-01-04-010 COTTER PIN (55).
   (11) Install the rod (66) and install the bolt (70).
   (12) Put the washer (61) in position and install and tighten the nut (59). Safety the nut (59) with the new
AIPC 32-42-01-04-010 COTTER PIN (60).
   (13) Install the rod (69) and the bolt (52).
   (14) Put the washer (56) in position and install and tighten the nut (57). Safety the nut (57) with the new
AIPC 32-42-01-04-010 COTTER PIN (58).
   (15) Install the rod (68) and the bolt (67).
   (16) Put the washer (65) in position and install and tighten the nut (64). Safety the nut (64) with the new
AIPC 32-42-01-04-010 COTTER PIN (63).
   (17) Install the
98A27901002000 PIN-RIGGING,RUDDER CONTROL (35) on the yaw/brake bellcranks of the CAPT and F/O.
   (18) Push and hold the pin on transducer unit 25CE1 to lock the input lever in the zero position.
NOTE: The pin is a part of transducer unit 25CE1.
   (19) Install the rods (33) and (29) and install the bolt (34). If necessary, adjust the length of the rod (29) as follows:
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.
     (a) Cut and discard the lockwire.
     (b) Loosen the nuts (25) and (28) and disengage the lockwashers (26) and (27).
     (c) Adjust the length of the rod (29) until you can install the bolt (34).
     (d) Engage the lockwashers (26) and (27) and tighten the nuts (25) and (28). Safety them with lockwire corrosion resistant steel dia 0.8 mm (0.03 in.).
   (20) Disengage the pin to release the input lever of transducer unit 25CE1.
   (21) Put the washer (30) in position, install and tighten the nut (31). Safety the nut (31) with the new AIPC 27-21-01-01-010 COTTER PIN (32).
   (22) Install the rod (9) and the bolt (1).
   (23) Put the washer (18) in position, install and tighten the nut (20). Safety the nut (20) with the new
AIPC 27-21-01-01-010 COTTER PIN (19).
   (24) Install the rod (4) and the bolt (3). If necessary, adjust the length of the rod (4) as follows:
     (a) Cut and discard the lockwire.
     (b) Loosen the nuts (5) and (8) and disengage the lockwashers (6) and (7).
     (c) Adjust the length of the rod (4) until you can install the bolt (3).
     (d) Engage the lockwashers (6) and (7) and TORQUE the nuts (5) and (8) to between 1.51 and 1.24 m.daN (133.63 and 109.73 lbf.in )
T. Safety them with lockwire corrosion resistant steel dia 0.8 mm (0.03 in.).
   (25) Put the washer (10) in position, install and tighten the nut (12). Safety the nut (12) with the new
AIPC 27-21-01-01-010 COTTER PIN (11).
   (26) Install the rod (17) and the bolt (21). If necessary, adjust the length of the rod (17) as follows:
     (a) Cut and discard the lockwire.
     (b) Loosen the nuts (13) and (16) and disengage the lockwashers (14) and (15).
     (c) Adjust the length of the rod (17) until you can install the bolt (21).
     (d) Engage the lockwashers (14) and (15) and TORQUE the nuts (13) and (16) to between 1.51 and 1.24 m.daN (133.63 and 109.73 lbf.in )
T. Safety them with lockwire corrosion resistant steel dia 0.8 mm (0.03 in.).
   (27) Put the washer (22) in position, install and tighten the nut (23). Safety the nut (23) with the new
AIPC 27-21-01-01-010 COTTER PIN (24).
   (28) Remove the
98A27901002000 PIN-RIGGING,RUDDER CONTROL (35) from the yaw/brake bellcranks of the CAPT and F/O.
Subtask 27-21-44-420-050-B ** ON A/C NOT FOR ALL
A. Installation of the CAPT Yaw/Brake Bellcrank
   (1) Clean the component interfaces and the adjacent area.
   (2) Do an inspection of the component interfaces and the adjacent area.
   (3) Apply Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the attachment hardware.
   (4) Turn the yaw bellcrank (2) 90 degrees and install the yaw/brake bellcrank on the beam (40).
   (5) Install the sleeves (45) and (73).
   (6) Install the bolts (50) and (49).
     (a) Install and tighten the new AIPC 27-21-44-01-130 NUTS (41).
   (7) Install the rod (42) on the sleeve (45) and install the bolt (43).
   (8) Put the washer (46) in position and install and tighten the nut (47). Safety the nut (47) with the new
AIPC 27-21-44-01-010 COTTER PIN (48).
   (9) Install the rod (62) and the bolt (51).
   (10) Install the washer (53) in position, install and tighten the nut (54). Safety the nut (54) with the new
AIPC 32-42-01-04-010 COTTER PIN (55) or AIPC 32-42-81-04-010 COTTER PIN (55).
   (11) Install the rod (66) and the bolt (70).
   (12) Put the washer (61) in position and install and tighten the nut (59). Safety the nut (59) with the new
AIPC 32-42-01-04-010 COTTER PIN (60) or the AIPC 32-42-81-04-010 COTTER PIN (60).
   (13) Install the rod (69) and the bolt (52).
   (14) Put the washer (56) in position and install and tighten the nut (57). Safety the nut (57) with the new
AIPC 32-42-01-04-010 COTTER PIN (58) or the AIPC 32-42-81-04-010 COTTER PIN (58).
   (15) Install the rod (68) and install the bolt (67).
   (16) Put the washer (65) in position and install and tighten the nut (64). Safety the nut (64) with the new
AIPC 32-42-01-04-010 COTTER PIN (63) or the AIPC 32-42-81-04-010 COTTER PIN (63).
   (17) Install the
98A27901002000 PIN-RIGGING,RUDDER CONTROL (35) on the yaw/brake bellcranks of the CAPT and F/O.
   (18) Push and hold the pin on transducer unit 25CE1 to lock the input lever in the zero position.
NOTE: The pin is a part of transducer unit 25CE1.
   (19) Install the rods (33) and (29) and the bolt (34). If necessary, adjust the length of the rod (29) as follows:
     (a) Cut and discard the lockwire.
     (b) Loosen the nuts (25) and (28) and disengage the lockwashers (26) and (27).
     (c) Adjust the length of the rod (29) until you can install the bolt (34).
     (d) Engage the lockwashers (26) and (27) and tighten the nuts (25) and (28). Safety them with lockwire corrosion resistant steel dia 0.8 mm (0.03 in.).
   (20) Disengage the pin to release the input lever of transducer unit 25CE1.
   (21) Put the washer (30) in position, install and tighten the nut (31). Safety the nut (31) with the new AIPC 27-21-01-01-010 COTTER PIN (32) or the AIPC 27-21-81-01-010 COTTER PIN (32).
   (22) Install the rod (9) and the bolt (1).
   (23) Put the washer (18) in position, install and tighten the nut (20). Safety the nut (20) with the new
AIPC 27-21-01-01-010 COTTER PIN (19) or the AIPC 27-21-81-01-010 COTTER PIN (19).
   (24) Install the rod (4) and the bolt (3). If necessary, adjust the length of the rod (4) as follows:
     (a) Cut and discard the lockwire from the nuts of the rod (4).
     (b) Loosen the nuts (5) and (7) and disengage the lockwashers (6) and (8).
     (c) Turn the rod body (37) until you can install and remove the rigging pins (35) and (36) freely.
     (d) Engage the lockwashers (6) and (8).
     (e) TORQUE the nut (7) to between 1.32 and 1.08 m.daN (116.81 and 95.58 lbf.in )
T and the nut (5) to between 0.55 and 0.45 m.daN (48.67 and 39.82 lbf.in ) T.
     (f) Make sure that the adjustment is correct after you tightened the nuts.
     (g) Safety the nuts with lockwire corrosion resistant steel dia 0.8 mm (0.03 in.).
   (25) Put the washer (10) in position, install and tighten the nut (12). Safety the nut (12) with the new
AIPC 27-21-01-01-010 COTTER PIN (11) or the AIPC 27-21-81-01-010 COTTER PIN (11).
   (26) Install the rod (17) and the bolt (21). If necessary, adjust the length of the rod (17) as follows:
     (a) Cut and discard the lockwire.
     (b) Loosen the nuts (13) and (16) and disengage the lockwashers (14) and (15).
     (c) Adjust the length of the rod (17) until you can install the bolt (21).
     (d) Engage the lockwashers (14) and (15) and TORQUE the nuts (13) and (16) to between 1.51 and 1.24 m.daN (133.63 and 109.73 lbf.in )
T. Safety them with lockwire corrosion resistant steel dia 0.8 mm (0.03 in.).
   (27) Put the washer (22) in position, install and tighten the nut (23). Safety the nut (23) with the new
AIPC 27-21-01-01-010 COTTER PIN (24) or the AIPC 27-21-81-01-010 COTTER PIN (24).
   (28) Remove the
98A27901002000 PIN-RIGGING,RUDDER CONTROL (35) from the yaw/brake bellcranks of the CAPT and F/O.
Subtask 27-21-44-080-050-A
B. Remove the 98A27901002000 PIN-RIGGING,RUDDER CONTROL (36) from the tension regulator.
Subtask 27-21-44-710-050-A
C. Test of the CAPT Yaw/Brake Bellcrank
   (1) Do the operational test of the rudder mechanical control (Ref. AMM TASK 27-24-00-710-001).
   (2) Do the operational test of the normal braking system (operational check of the pedals) (Ref. AMM TASK 32-42-00-710-001).
   (3) Do the operational test of the alternate braking system (operational check of the pedals) (Ref. AMM TASK 32-43-00-710-001).
5. Close-up
Subtask 27-21-44-942-050-A
A. Put the aircraft back to the serviceable condition.
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Remove the WARNING NOTICE(S).
Subtask 27-21-44-410-050-A
B. Close Access
   (1) Close the access door 811.
   (2) Remove the access platform(s).
[Rev.10 from 2021] 2026.03.31 23:48:24 UTC