Installation of the Lock-out Bolt Storage Bracket [CFMI]
TASK 78-31-49-400-016-A
Installation of the Lock-out Bolt Storage Bracket
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 78-31-49-860-070-A ** ON A/C NOT FOR ALL
Subtask 78-31-49-420-061-A ** ON A/C NOT FOR ALL
Subtask 78-31-49-080-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:38:04 UTC
Installation of the Lock-out Bolt Storage Bracket
WARNING:
WEAR A FACE SHIELD WHICH IS RESISTANT TO HIGH PRESSURE JETS WHEN YOU WORK ON PRESSURIZED SYSTEMS.
WARNING:
DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:
- FLUSH IT AWAY WITH CLEAN WATER
- GET MEDICAL AID.
CAUTION:
USE TWO WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS:
- ONE WRENCH TO HOLD THE UNION, AND
- ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT.
CAUTION:
MAKE SURE THERE IS NO UNWANTED MATERIAL IN THE PORTS AND ORIFICES OR DAMAGE CAN OCCUR.
CAUTION:
YOU MUST INSTALL HYDRAULIC TUBES WITH HYDRAULIC FLUID AS LUBRICANT.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 1M(3 FT) |
| No specific | AR | WARNING NOTICE(S) |
| No specific | Torque wrench: range to between 70 and 61 lbf.in (0.79 and 0.69 m.daN ) ![]() | |
| HIX3005 | 1 | SAFETY SLEEVE - PIVOTING DOOR ACTUATOR |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.CP2245) | finish paint EA4 blue 5991 |
| (Material No.CP2318) | blindexite RT 342-2 |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR, 451AL, 452AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR, 461AL, 462AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-040-A | Opening of the Fan Cowl Doors |
| TASK 71-13-00-410-040-A | Closing of the Fan Cowl Doors |
| TASK 78-30-00-081-041-A | Make the Thrust Reverser Serviceable after Maintenance |
| TASK 78-30-00-481-041-A | Make the Thrust Reverser Unserviceable for Maintenance |
| TASK 78-32-41-080-040-A | Removal of the Safety Sleeve from Blocker Door Actuator |
| TASK 78-32-41-480-040-A | Installation of the Safety Sleeve on Blocker Door Actuator |
| TASK 78-32-41-860-040-A | Manual Deployment of the Blocker Door |
| TASK 78-32-41-860-041-A | Manual Stowing of the Blocker Door |
| TASK 78-36-00-010-040-A | Opening of the Thrust Reverser Doors |
| TASK 78-36-00-410-040-A | Closing of the Thrust Reverser Doors |
Subtask 78-31-49-860-070-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) On the center pedestal, on the ENG panel 115VU, make sure that a WARNING NOTICE(S) is in position to tell persons not to start the engine.
(2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a WARNING NOTICE(S) is in position to tell persons not to energize the FADEC 1(2).
(3) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.
Subtask 78-31-49-010-098-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on the ENG panel 115VU, make sure that a WARNING NOTICE(S) is in position to tell persons not to start the engine.
(2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a WARNING NOTICE(S) is in position to tell persons not to energize the FADEC 1(2).
(3) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.
B. Get Access
(1) Make sure that the fan cowl doors are open: (Ref. AMM TASK 71-13-00-010-040)
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(2) Make sure that the thrust reverser doors are open: (Ref. AMM TASK 78-36-00-010-040)
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR
Subtask 78-31-49-040-062-A ** ON A/C NOT FOR ALL Subtask 78-31-49-860-079-A ** ON A/C NOT FOR ALL Subtask 78-31-49-480-052-A ** ON A/C NOT FOR ALL (1) Make sure that the fan cowl doors are open: (Ref. AMM TASK 71-13-00-010-040)
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(2) Make sure that the thrust reverser doors are open: (Ref. AMM TASK 78-36-00-010-040)
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR
E. Make sure that the HIX3005 SAFETY SLEEVE - PIVOTING DOOR ACTUATOR is installed on the blocker door actuator (Ref. AMM TASK 78-32-41-480-040)
4. ProcedureSubtask 78-31-49-420-061-A ** ON A/C NOT FOR ALL
A. Install the Lock-out Bolt Storage Bracket.
(1) Apply a layer of blindexite RT 342-2 (Material No.CP2318) on the storage bracket surface in contact with the forward frame.
(2) Install the storage bracket on the forward frame.
(3) Install bolt and nuts.
.
5. Close-up(1) Apply a layer of blindexite RT 342-2 (Material No.CP2318) on the storage bracket surface in contact with the forward frame.
(2) Install the storage bracket on the forward frame.
(3) Install bolt and nuts.
NOTE: You should apply a witness line of finish paint EA4 blue 5991 (Material No.CP2245) all nuts and connections when you have checked their torques.
(4) TORQUE the nuts to between 70 and 61 lbf.in (0.79 and 0.69 m.daN )
. Subtask 78-31-49-080-050-A ** ON A/C NOT FOR ALL
A. Remove the safety sleeve (HIX-3005) from the blocker door actuator (Ref. AMM TASK 78-32-41-080-040)
Subtask 78-31-49-860-051-A ** ON A/C NOT FOR ALL B. Bring the Blocker Doors.
Subtask 78-31-49-410-082-A ** ON A/C NOT FOR ALL CAUTION:
BLOCKER DOOR LATCH MUST BE OPENED WHEN YOU CLOSE THE BLOCKER DOOR OR DAMAGE CAN OCCUR.
(1) Manually bring the blocker doors to stow position (Ref. AMM TASK 78-32-41-860-041)C. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the thrust reverser doors: (Ref. AMM TASK 78-36-00-410-040)
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR
Subtask 78-31-49-440-053-A ** ON A/C NOT FOR ALL Subtask 78-31-49-410-067-A ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the thrust reverser doors: (Ref. AMM TASK 78-36-00-410-040)
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR
Hydraulic Line Brackets