W DOC AIRBUS | AMM A320F

Removal of the Fan Assy

TASK 32-48-51-000-005-A
Removal of the Fan Assy

ZONE: 731
ZONE: 741
FIN: 10GS ** ON A/C NOT FOR ALL
FIN: 7GS ** ON A/C NOT FOR ALL
FIN: 8GS ** ON A/C NOT FOR ALL
FIN: 9GS ** ON A/C NOT FOR ALL
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
CAP - BLANKING
No specific
AR
CHOCK - WHEEL(S)
No specific
AR
SAFETY BARRIER(S)
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
AR
WARNING NOTICE(S)
MG174-04
1
DISASSEMBLY TOOL
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
731
L.H MAIN GEAR
741
R.H MAIN GEAR
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 32-00-00-481-001-A
Installation of the Safety Devices on the Landing Gears
F Fan Assy ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 32-48-51-941-054-A ** ON A/C NOT FOR ALL
A. Safety Precautions
   (1) Put the CHOCK - WHEEL(S) in position.
   (2) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
   (3) Install the safety devices on the landing gears (Ref. AMM TASK 32-00-00-481-001).
   (4) In the cockpit, on panel 400VU:
     (a) Make sure that the landing-gear control lever is in the DOWN position.
     (b) Put the WARNING NOTICE(S) in position to tell persons not to operate the landing-gear control lever.
Subtask 32-48-51-865-063-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/BRK FAN/WHEELS/3 AND 42GSL35
121VUHYDRAULIC/BRK FAN/WHEELS/1 AND 21GSL32
121VUHYDRAULIC/BRAKING AND STEERING/SYS2/SPLY4GGM36
121VUHYDRAULIC/BRAKING AND STEERING/SYS2/CTL3GGM35
121VUHYDRAULIC/BRAKING AND STEERING/SYS1/CTL1GGM34
121VUHYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY2GGM33
121VUHYDRAULIC/BRK/FAN/CTL3GSM32
4. Procedure
Subtask 32-48-51-020-061-Y ** ON A/C NOT FOR ALL
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.
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 Fan assembly
F Fan Assy ** ON A/C NOT FOR ALL
   (1) Release the tab-washers (14).
   (2) Remove the screws (13).
   (3) Remove and discard the tab-washers (14).
   (4) Remove the guard assembly (15) along the centerline of the axle so that you do not cause damage to the splines (7).
   (5) Remove the impeller (18) as follows:
     (a) Cut, remove and discard the lockwire from the nut (16).
     (b) Hold the impeller (18) with the MG174-04 DISASSEMBLY TOOL and remove the nut (16) and the washer (17).
     (c) Remove the impeller (18).
   (6) Remove the shroud (19).
   (7) Remove the nut (22) and the collar (23).
   (8) Remove the joint (20).
   (9) Remove the cotter pins (11) and the nuts (10) and discard them.
   (10) Remove the washers (9) and the bolts (8).
   (11) Remove the motor assembly (6) as follows:
     (a) When you remove the motor assembly (6), do not cause damage to the electrical cables.
     (b) Do not apply pressure against the rotating components of the tachometer (5).
   (12) Disconnect the connector (45) motor assembly (6) as follows:
     (a) Cut, remove and discard the lockwire from the nut (46).
     (b) Loosen the nut (46) and disconnect the connector (45) from the slot of the stirrup connector (47).
     (c) Make sure that the CAP - BLANKING is installed on the connector (45).
   (13) Disconnect the connector (1) from the tachometer (5).
   (14) Remove the screws (4).
   (15) Disengage the plate (2) with the connector (3) to disconnect the electrical connector (3).
   (16) Remove the circlip (39), washer (40) and spring (38).
NOTE: The cable kit from harness 2M contains the circlips (37) and (39), the spring (38) and the washer (40).
   (17) Remove the circlip (37).
   (18) Remove the motor assembly (6).
   (19) Remove the nut (35) and disconnect the connector (36) from the housing (12).
   (20) Remove the screws (33), the washers (34) and the housing (12).
   (21) Remove the screws (31) and the washers (30).
   (22) Remove the tachometer (5) with the drive shaft (7) from the motor (32).
   (23) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
[Rev.10 from 2021] 2026.04.01 00:50:34 UTC
"Aviabrain" 2025