DOC AIRBUS | AMM A320FRemoval of the Thrust Reverser Hold Open Rods (HOR) Engine Brackets [CFML]
TASK 78-36-42-000-803-A
Removal of the Thrust Reverser Hold Open Rods (HOR) Engine Brackets
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 78-36-42-941-064-A
Subtask 78-36-42-020-054-A
[Rev.10 from 2021]
2026.04.01 03:37:03 UTC
Removal of the Thrust Reverser Hold Open Rods (HOR) Engine Brackets
WARNING:
BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 1M(3 FT) |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1) | |
| 437AL, 438AR | |
| FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2) | |
| 447AL, 448AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-803-A | Opening of the Fan Cowl Doors |
| TASK 78-30-00-040-807-A | Deactivation of the Thrust Reverser System for Nacelle Maintenance (ICU) |
Left Thrust Reverser Hold Open Rods (HOR) Engine Bracket (PRE SPOL BD-EBU-17022)Subtask 78-36-42-941-064-A
A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(c) Put WARNING NOTICE(S) in position to tell persons not to operate:
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
Subtask 78-36-42-010-075-A (1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(c) Put WARNING NOTICE(S) in position to tell persons not to operate:
- The ENG/MODE selector switch
- The ENG/MASTER 1(2) control switch.
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
B. Get Access
(1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR
(2) Put an ACCESS PLATFORM 1M(3 FT) in position.
Subtask 78-36-42-040-065-A (1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR
(2) Put an ACCESS PLATFORM 1M(3 FT) in position.
C. Deactivation of the Thrust Reverser System for Nacelle Maintenance
4. ProcedureWARNING:
YOU MUST DEACTIVATE THE THRUST REVERSER BEFORE YOU DO WORK ON OR AROUND IT. IF YOU DO NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE AN INJURY AND/OR DAMAGE.
(1) Do the deactivation of the thrust reverser system for maintenance nacelle (Ref. AMM TASK 78-30-00-040-807). Subtask 78-36-42-020-054-A
A. Removal of the Left Hand (LH) Side Thrust Reverser HOR Engine Bracket
PRE SPOL BD-EBU-17022
(1) Remove the bolt (1) that attaches the P-clamp (2) to the engine fuel tube.
(2) Remove the three nuts (3), the three bolts (4) and the six washers (5) that attach the LH side thrust reverser HOR engine bracket (6) to the E-flange of the aft fan case.
(3) Remove the LH side thrust reverser HOR engine bracket (6).
Subtask 78-36-42-020-055-A PRE SPOL BD-EBU-17022
(1) Remove the bolt (1) that attaches the P-clamp (2) to the engine fuel tube.
(2) Remove the three nuts (3), the three bolts (4) and the six washers (5) that attach the LH side thrust reverser HOR engine bracket (6) to the E-flange of the aft fan case.
(3) Remove the LH side thrust reverser HOR engine bracket (6).
B. Removal of the Right Hand (RH) Side Thrust Reverser HOR Engine Bracket
(1) Remove the two harnesses (11) that are attached to the RH side thrust reverser HOR engine bracket (7).
(2) Remove the three nuts (8), the three bolts (9) and the six washers (10) that attach the RH side thrust reverser HOR engine bracket (7) to the E-flange of the aft fan case.
END OF PRE SPOL BD-EBU-17022
Subtask 78-36-42-020-056-A (1) Remove the two harnesses (11) that are attached to the RH side thrust reverser HOR engine bracket (7).
(2) Remove the three nuts (8), the three bolts (9) and the six washers (10) that attach the RH side thrust reverser HOR engine bracket (7) to the E-flange of the aft fan case.
NOTE: Washer is removed from under the bolt head and nut.
NOTE: The bolts must be removed from the aft side of the bracket (7) and secured by the nuts on the forward side of the E-flange.
(3) Remove the RH side thrust reverser HOR engine bracket (7). END OF PRE SPOL BD-EBU-17022
C. Removal of the LH Side Thrust Reverser HOR Engine Bracket
POST SPOL BD-EBU-17022
(1) Remove the bolt (1) that attaches the P-clamp (2) to the engine fuel tube.
(2) Remove the three nuts (3) and the three bolts (4) that attach the LH side thrust reverser HOR engine bracket (6) to the E-flange of the aft fan case.
(3) Remove the LH side thrust reverser HOR engine bracket (6).
Subtask 78-36-42-020-057-A POST SPOL BD-EBU-17022
(1) Remove the bolt (1) that attaches the P-clamp (2) to the engine fuel tube.
(2) Remove the three nuts (3) and the three bolts (4) that attach the LH side thrust reverser HOR engine bracket (6) to the E-flange of the aft fan case.
(3) Remove the LH side thrust reverser HOR engine bracket (6).
D. Removal of the RH Side Thrust Reverser HOR Engine Bracket
(1) Remove the two harnesses (11) that are attached to the RH side thrust reverser HOR engine bracket (7).
(2) Remove the three nuts (8) and the three bolts (9) that attach the RH side thrust reverser HOR engine bracket (7) to the E-flange of the aft fan case.
END OF POST SPOL BD-EBU-17022
(1) Remove the two harnesses (11) that are attached to the RH side thrust reverser HOR engine bracket (7).
(2) Remove the three nuts (8) and the three bolts (9) that attach the RH side thrust reverser HOR engine bracket (7) to the E-flange of the aft fan case.
NOTE: The bolts must be removed from the aft side of the bracket (7) and secured by the nuts on the forward side of the E-flange.
(3) Remove the RH side thrust reverser HOR engine bracket (7). END OF POST SPOL BD-EBU-17022