W DOC AIRBUS | AMM A320F

Removal of the Sequence Shaft Assembly


TASK 52-32-21-000-014-A
Removal of the Sequence Shaft Assembly


ZONE: 826
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)
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
826
AFT CARGO COMPARTMENT DOOR
826AR
826BR, 826CR
 C. 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 52-32-33-000-001-A
Removal of the Door Fairings and Access Panels
F Access Panel and Protection Plugs ** ON A/C NOT FOR ALL
F Access Panel and Protection Plugs ** ON A/C NOT FOR ALL
F Sequence Shaft Assembly ** ON A/C NOT FOR ALL
F Sequence Shaft Assembly ** ON A/C NOT FOR ALL
F Sequence Shaft Assembly ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 52-32-21-010-065-B ** ON A/C NOT FOR ALL
A. Get Access
F Access Panel and Protection Plugs ** ON A/C NOT FOR ALL
   (1) Open the AFT cargo-compartment door (referred to as cargo door) and safety it with the actuator safety locks (Ref. AMM TASK 52-30-00-860-001).
   (2) Put the ACCESS PLATFORM 2M (6 FT) in position at the cargo door.
   (3) Remove the access panel 826AR from the cargo door.
Subtask 52-32-21-010-065-D ** ON A/C NOT FOR ALL
A. Get Access
F Access Panel and Protection Plugs ** ON A/C NOT FOR ALL
   (1) Open the AFT cargo-compartment door (referred to as cargo door) and safety it with the actuator safety locks (Ref. AMM TASK 52-30-00-860-001).
   (2) Put the ACCESS PLATFORM 2M (6 FT) in position at the cargo door.
   (3) Remove the door fairing 826CR and the access panels 826AR and 826BR from the cargo door (Ref. AMM TASK 52-32-33-000-001).
Subtask 52-32-21-865-086-A ** ON A/C NOT FOR ALL
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
121VUHYDRAULIC/HYD POWER/Y3803GXN30
** ON A/C NOT FOR ALL
121VUHYDRAULIC/HYD POWER/Y3803GXN31
** ON A/C NOT FOR ALL
122VUDOORS/CARGO1MJT12
123VUY HYD/ELEC/PUMP3802GXAB06
123VUY HYD/ELEC/ELEC PUMP/NORM3801GXAB03
4. Procedure
Subtask 52-32-21-020-072-A ** ON A/C NOT FOR ALL
A. Removal of the Sequence Shaft Assembly
F Sequence Shaft Assembly ** ON A/C NOT FOR ALL
F Sequence Shaft Assembly ** ON A/C NOT FOR ALL
NOTE: Identify the installation position of the locking cam, the serrated levers and the link lever with a mark.
   (1) Disconnect the connection rod (395) from the serrated lever (392) as follows:
     (a) Remove and discard the cotter pin (397) from the nut (396).
     (b) Remove the nut (396), the washers (393) and the bolt (394) from the serrated lever (392).
     (c) Remove the upper eye-end of the connection rod (395) from the serrated lever (392).
   (2) Disconnect the link assy (406) from the link lever (408) as follows:
     (a) Remove and discard the cotter pin (403) from the nut (404).
     (b) Remove the nut (404), the washer (405) and the bolt (407) from the link assy (406).
     (c) Remove the upper fork-end of the link assy (406) from the link lever (408).
   (3) Disconnect the bellcrank assy (412) from the serrated lever (416) as follows:
     (a) Remove and discard the cotter pin (409) from the nut (410).
     (b) Remove the nut (410), the washers (411) and the bolt (413) from the bellcrank assy (412).
     (c) Remove the fork-end of the bellcrank assy (412) from the serrated lever (416).
   (4) Disassemble the different components from the sequence shaft (400) as follows:
     (a) Remove the screw (390) and the washer (391) from the serrated lever (392).
     (b) Remove the nut (402), the washer (401) and the Hi-Lok pin (415) from the the serrated lever (416).
     (c) Remove the nuts (414), the washers (417) and the Hi-Lok pins (398) from the lock cam (399).
     (d) Remove the link lever (408), the serrated levers (392) and (416) from the sequence shaft (400).
   (5) Remove the sequence shaft (400) from the cargo door structure as follows:
     (a) Move the sequence shaft (400) slowly out of the cargo door structure and collect the lock cam (399) during this movement.
Subtask 52-32-21-020-072-B ** ON A/C NOT FOR ALL
WARNING: USE PROTECTIVE GOGGLES WHEN YOU REMOVE OR INSTALL A COTTER PIN. EACH TIME YOU REMOVE A COTTER PIN DURING THE TASK, DISCARD IT IMMEDIATELY. A LOOSE COTTER PIN CAN CUT YOU OR MAKE YOU BLIND.
A. Removal of the Sequence Shaft Assembly
F Sequence Shaft Assembly ** ON A/C NOT FOR ALL
   (1) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
   (2) Disconnect the connection rod (395) from the serrated lever (392):
     (a) Remove and discard the cotter pin (397).
     (b) Remove the nut (396), the washers (393) and the bolt (394) from the serrated lever (392).
     (c) Remove the upper eye-end of the connection rod (395) from the serrated lever (392).
   (3) Disconnect the link assembly (406) from the link lever (408):
     (a) Remove and discard the cotter pin (403).
     (b) Remove the nut (404), the washer (405) and the bolt (407) from the link assembly (406).
     (c) Remove the upper fork-end of the link assembly (406) from the link lever (408).
     (d) Remove the sleeve (417) from the link lever (408).
   (4) Disconnect the bellcrank assembly (412) from the serrated lever (416):
     (a) Remove and discard the cotter pin (409).
     (b) Remove the nut (410), the washers (411) and the bolt (413) from the bellcrank assembly (412).
     (c) Remove the fork-end of the bellcrank assembly (412) from the serrated lever (416).
   (5) Remove the sequence shaft (400) from the cargo door:
     (a) Remove the screw (390) and the washer (391) from the serrated lever (392).
     (b) Remove the nut (402), the washer (401) and the hi-lok pin (415) from the serrated lever (416).
     (c) Remove the nuts (414) and the hi-lok pins (398) from the lock cam (399).
     (d) Remove the link lever (408) and the serrated levers (392) and (416) from the sequence shaft (400).
     (e) Remove the sequence shaft (400) slowly from the cargo door.
     (f) Collect the lock cam (399) during this movement.
[Rev.10 from 2021] 2026.04.02 06:28:02 UTC