Installation of the Escape-Slide Inflation Reservoir

TASK 25-62-49-400-001-A
Installation of the Escape-Slide Inflation Reservoir

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

ZONE: 230
ZONE: 250
ZONE: 833
ZONE: 834
ZONE: 843
ZONE: 844
FIN: 7693MM ** ON A/C NOT FOR ALL
FIN: 7694MM ** ON A/C NOT FOR ALL
FIN: 7774MM ** ON A/C NOT FOR ALL
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FIN: 7776MM ** ON A/C NOT FOR ALL
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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	ADAPTER - INFLATION
No specific	1	GAGE 5 BAR (75 PSI) - PRESSURE
No specific	1	GROUND AIR SUPPLY 0 TO 3.5 BAR (50.76 PSI)
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 4.5 and 4.0 m.N (39.82 and 35.40 lbf.in )
No specific	Torque wrench: range to between 43.0 and 39.0 m.N (31.71 and 28.76 lbf.ft )
No specific	Torque wrench: range to between 0.38 and 0.37 m.daN (33.63 and 32.74 lbf.in )
No specific	Torque wrench: range to between 4.30 and 3.90 m.daN (31.71 and 28.76 lbf.ft )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.14QEB1)	Wire-Locking Dia: 0.6 mm CRES Nickel Alloy -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
230	FWD PASSENGER COMPARTMENT
250	AFT PASSENGER COMPARTMENT
833	EMERGENCY EXITS
834	EMERGENCY EXITS
843	EMERGENCY EXITS
844	EMERGENCY EXITS

D. Referenced Information

REFERENCE	DESIGNATION
TASK 20-28-00-912-802-A	Electrical Bonding - General Maintenance Procedure
TASK 23-73-00-861-001-A	Energize the Cabin Intercommunication Data System (CIDS)
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
TASK 25-62-00-081-001-A	Special Precautions after Work on the Offwing Escape-Slide Systems
TASK 25-62-00-481-001-A	Special Precautions before Work on the Offwing Escape-Slide Systems
TASK 25-62-47-000-001-A	Removal of the Escape Slide Enclosure
TASK 25-62-47-400-001-A	Installation of the Escape Slide Enclosure
TASK 52-22-00-010-001-A	Opening of the Emergency Exit Doors from the Passenger Compartment
TASK 52-22-00-410-001-A	Closing of the Emergency Exit Doors from the Passenger Compartment
Inflation Reservoir ** ON A/C NOT FOR ALL
Inflation Reservoir ** ON A/C NOT FOR ALL
Operational Test - Monitoring ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 25-62-49-860-052-B ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the ground service network is energized (Ref. AMM TASK 24-42-00-861-001).
(2) Make sure that you obeyed the special precautions before you work on the escape slide system(s) (Ref. AMM D/O 25-62-00-48).
(3) In the cockpit, on overhead panel 25VU (SIGNS), make sure that the EMER EXIT LT switch is set to the OFF position.

WARNING: MAKE SURE THAT YOU TURN THE RELEASE LEVER BACK TO THE DISARMED POSITION. IF YOU DO NOT, THE ESCAPE-SLIDE RELEASE SYSTEM STAYS ON. IF YOU THEN CONNECT AN INFLATION RESERVOIR TO THE SYSTEM, THE INFLATION RESERVOIR WILL IMMEDIATELY OPERATE. THIS CAN CAUSE INJURY TO PERSONNEL AND/OR DAMAGE TO EQUIPMENT.

(4) Make sure that the necessary emergency exit-door is open from the passenger compartment (Ref. AMM TASK 52-22-00-010-001).
(5) Make sure that the WARNING NOTICE(S) is in position, to tell persons not to close the door.
(6) Make sure that the exit safety barrier strap is in position.

Subtask 25-62-49-860-052-D ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration

(1) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).
(2) Make sure that you obeyed the special precautions before you work on the escape slide system(s) (Ref. AMM TASK 25-62-00-481-001).
(3) On the overhead panel, on SIGNS panel 25VU, make sure that the EMER EXIT LT pushbutton switch is released (the OFF legend is on). (Ref. 23-73-00).

(4) Make sure that the necessary emergency exit door (referred to as the door) is open from the passenger compartment (Ref. AMM TASK 52-22-00-010-001).
(5) Make sure that the WARNING NOTICE(S) is/are in position to tell persons not to close the door.
(6) Make sure that the exit safety barrier strap is in position.

4. Procedure
Subtask 25-62-49-560-050-A ** ON A/C NOT FOR ALL

A. Preparation for Installation

Inflation Reservoir ** ON A/C NOT FOR ALL

WARNING: BE CAREFUL WITH THE INFLATION RESERVOIR AND ITS COMPONENTS. THE RESERVOIR IS AN ALUMINUM BOTTLE WOUND IN KEVLAR FIBERS BONDED WITH EPOXY RESINS, AND IS PRESSURIZED WITH GAS. IF YOU CAUSE DAMAGE TO THE RESERVOIR, THERE IS A RISK OF EXPLOSION. NO DAMAGE IS PERMITTED.

(1) Do a check of the inflation reservoir assembly. Make sure that the inflation reservoir (19) and all attached components are in a satisfactory condition.
(2) Make sure that the automatic inflation cable (22) is installed in the regulator valve assembly of the inflation reservoir (19).
(3) Make sure that the pressure gage (20) shows the correct pressure.
(4) Put the stowage pocket (4) and the stowage pocket attach clamp (1) in position on the inflation reservoir (19) and tighten the attach clamp (1).
(5) Do a check and make sure that the manual inflation handle (2) is in its correct position.
(6) Make sure that the manual inflation handle (2) is correctly connected to the inflation cable (8).

NOTE: The manual inflation handle is held by velcro behind a breakaway see through cover. It is located at the top right of the door.

Subtask 25-62-49-420-052-A ** ON A/C NOT FOR ALL

B. Installation of the Inflation Reservoir

Inflation Reservoir ** ON A/C NOT FOR ALL

(1) Put the free end of the inflation reservoir (19) in the clamp (16) and hold the inflation reservoir (19) in position. Do not tighten the clamp (16).

NOTE: An inflation reservoir that is filled with gas has a weight of approximately 7.5 kg (16.5347 lb).

(2) Make sure that the reservoir bracket (23) is on top of the mounting bracket (24).
(3) Remove the pressure seal caps from the inflation hose assembly (13) and the inflation reservoir union (14).
(4) Put the pressure seal caps in the pocket (4).
(5) Attach the inflation hose assembly (13) to the inflation reservoir union (14), but do not tighten it.
(6) Install the positioning pin (17) in the reservoir bracket (23) and in the mounting bracket (24).

NOTE: The positioning pin (17) puts the inflation reservoir (19) in the correct installation position for the inflation cable assemblies (8) and (22).

(7) Close and tighten the clamp (15).
(8) Tighten the clamp (16).
(9) TORQUE the clamps (15) and (16) to between 0.38 and 0.37 m.daN (33.63 and 32.74 lbf.in )

.
(10) TORQUE the nut of the inflation hose assembly (13) to between 4.30 and 3.90 m.daN (31.71 and 28.76 lbf.ft )

.
(11) Push the release stud (7) and put the ball end of the manual inflation cable (8) into the regulator valve assembly.
(12) If the length of the manual inflation cable (8) is not correct, adjust the position of the manual inflation handle (2).
(13) Release the release stud (7).
(14) Carefully pull the manual inflation cable (8) and make sure that the ball end is correctly installed.
(15) Install the nipple (6) of the automatic inflation cable (22) in the release-lever (21).
(16) Close the spring safety clamp (5).
(17) Safety the spring safety clamp (5) with 14QEB1Wire-Locking Dia: 0.6 mm CRES Nickel Alloy -. Wind the lockwire (3) around the two splayed ends of the spring clamp arms and twist the ends of the lockwire (3) together.
(18) Put the bonding strap (11) in position. Install the washer (10) and the screw (9) and tighten the screw (9).
(19) Remove the CAP-BLANKING from each electrical connector and receptacle.
(20) Make sure that all the electrical connections are clean and in the correct condition.
(21) Connect the electrical connector (12).
(22) Correct all damage to the protective coating and/or sealant (Ref. AMM TASK 20-28-00-912-802).

CAUTION: MAKE SURE THAT THE LOCK PIN IS REMOVED FROM THE REGULATOR VALVE ASSEMBLY OF THE INFLATION RESERVOIR. IF IT IS NOT REMOVED, IT CAN PREVENT THE INFLATION OF THE ESCAPE SLIDE/RAFT.

(23) Do the special precautions after you worked on the escape slide system(s) (Ref. AMM D/O 25-62-00-08).

Subtask 25-62-49-790-050-A ** ON A/C NOT FOR ALL

C. Leak Test Procedure of the Inflation Reservoir

Inflation Reservoir ** ON A/C NOT FOR ALL

(1) Safety the inflation reservoir (19):

WARNING: MAKE SURE THAT THE LOCK PIN IS CORRECTLY INSTALLED IN THE REGULATOR VALVE ASSEMBLY OF THE INFLATION RESERVOIR. THIS SAFETIES ALL COMPONENTS OF THE INFLATION SYSTEM IN OPERATION AND PREVENTS ACCIDENTAL:

DISCHARGE OF THE INFLATION RESERVOIR
DEPLOYMENT OF THE ESCAPE SLIDE

WHICH CAN CAUSE INJURY AND/OR DAMAGE.

(a) Do the special precautions before you work on the escape slide system(s) (Ref. AMM D/O 25-62-00-48).
(2) Remove the escape slide enclosure (Ref. AMM TASK 25-62-47-000-001) before you start the leak test.
(3) Do the leak test of the pipe installed between the inflation reservoir (19) and the escape slide assembly:

CAUTION: MAKE SURE THAT YOU USE A GAGE WITH THE SPECIFIED PRESSURE RANGE. THIS IS NECESSARY TO GET AN ACCURATE PRESSURE MEASUREMENT.

(a) Connect the GAGE 5 BAR (75 PSI) - PRESSURE and the ADAPTER - INFLATION to the inflation connection in the slide stowage compartment.
(b) Connect the GROUND AIR SUPPLY 0 TO 3.5 BAR (50.76 PSI) to the ADAPTER - INFLATION.
(c) Slowly pressurize the pipe to between 1 bar (14.50 psi) and 1.05 bar (15.2290 psi).
(d) Wait for 5 minutes until the temperature and pressure become stable in the pipe and then record the applied pressure value.
(e) Stop the GROUND AIR SUPPLY 0 TO 3.5 BAR (50.76 PSI).
(f) Wait for a minimum of 10 minutes.
(g) Use the GAGE 5 BAR (75 PSI) - PRESSURE and do a check of the pressure in the pipe again.
(h) Make sure that the pressure stays constant or decreases a maximum of 10 mbar (0.15 psi) from the applied pressure value.
(i) Decrease the pressure in the pipe to zero.
(j) Disconnect the GROUND AIR SUPPLY 0 TO 3.5 BAR (50.76 PSI), the GAGE 5 BAR (75 PSI) - PRESSURE and the ADAPTER - INFLATION from the inflation connection of the slide stowage compartment.
(4) Install the escape slide enclosure (Ref. AMM TASK 25-62-47-400-001).

CAUTION: MAKE SURE THAT THE LOCK PIN IS REMOVED FROM THE REGULATOR VALVE ASSEMBLY OF THE INFLATION RESERVOIR. IF IT IS NOT REMOVED, IT CAN PREVENT THE INFLATION OF THE ESCAPE SLIDE/RAFT.

(5) Do the special precautions after you worked on the escape slide system(s) (Ref. AMM D/O 25-62-00-08).

Subtask 25-62-49-560-050-B ** ON A/C NOT FOR ALL

D. Preparation for Installation

Inflation Reservoir ** ON A/C NOT FOR ALL

(1) Do a check of the inflation reservoir assembly. Make sure that the inflation reservoir (13) and all attached components are in a satisfactory condition.
(2) Make sure that the automatic inflation cable (22) is installed in the regulator valve assembly of the inflation reservoir (13).
(3) Make sure that the pressure gage (18) shows the correct pressure.
(4) Put the pocket (11) and the related attach clamp (14) in position on the inflation reservoir (13) and tighten the attach clamp (14).
(5) Do a check and make sure that the manual inflation handle (20) is in its correct position.
(6) Make sure that the manual inflation handle (20) is correctly connected to the inflation cable (19).

NOTE: The manual inflation handle is held by velcro behind a breakaway cover. It is located forward of the door.

Subtask 25-62-49-420-052-B ** ON A/C NOT FOR ALL

E. Installation of the Inflation Reservoir

Inflation Reservoir ** ON A/C NOT FOR ALL

(1) Put the free end of the inflation reservoir (13) in the clamp (12) and hold the inflation reservoir (13) in position. Do not tighten the clamp (12).

NOTE: An inflation reservoir that is filled with gas has a weight of approximately 7.5 kg (16.53 lb).

(2) Make sure that the reservoir bracket (6) is on top of the mounting bracket (7).
(3) Remove the pressure seal caps from the inflation hose assembly (15) and the inflation reservoir union (16).
(4) Put the pressure seal caps into the pocket (11).
(5) Connect the inflation hose assembly (15) to the inflation reservoir union (16), but do not tighten it.
(6) Install the positioning pin (4) in the reservoir bracket (6) and in the mounting bracket (7).

NOTE: The positioning pin (4) puts the inflation reservoir (13) in the correct installation position for the inflation cable assemblies (19) and (22).

(7) Close and tighten the clamps (10) and (17).
(8) Tighten the clamp (12).
(9) TORQUE the clamps (10), (12) and (17) to between 4.5 and 4.0 m.N (39.82 and 35.40 lbf.in )

CAUTION: USE A SECOND WRENCH TO APPLY COUNTER TORQUE TO THE UNIONS WHEN YOU DISCONNECT/CONNECT THE PNEUMATIC LINES FROM/TO THE UNIONS. IF YOU DO NOT OBEY THIS PRECAUTION, YOU CAN TWIST THE PNEUMATIC LINES AND CAUSE DAMAGE TO THEM.

(10) TORQUE the nut of the inflation hose assembly (15) to between 43.0 and 39.0 m.N (31.71 and 28.76 lbf.ft )

.
(11) Push the release stud (24) and put the ball end of the manual inflation cable (19) into the regulator valve assembly.
(12) If the length of the manual inflation cable (19) is not correct, adjust the position of the manual inflation handle (20).
(13) Release the release stud (24).
(14) Carefully pull the manual inflation cable (19) and make sure that the ball end is correctly installed.
(15) Install the nipple (21) of the automatic inflation cable (22) in the release-lever (8).
(16) Close the spring safety clamp (25).

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.

(17) Safety the spring safety clamp (25) with 14QEB1Wire-Locking Dia: 0.6 mm CRES Nickel Alloy -. Wind the lockwire (23) around the two splayed ends of the spring clamp arms and twist the ends of the lockwire (23) together.
(18) Put the bonding strap (1) in position and install the washer (2) and the screw (3).
(19) Do the electrical bonding procedure for the bonding strap (1), the washer (2) and the screws (3) (Ref. AMM TASK 20-28-00-912-802).
(20) Tighten the screw (3).

CAUTION: MAKE SURE THAT THE BONDING STRAP(S) IS(ARE) CONNECTED BEFORE YOU CONNECT THE ELECTRICAL CONNECTOR(S).

(21) Remove the CAP-BLANKING from each electrical connector and receptacle.
(22) Make sure that all the electrical connections are clean and in the correct condition.
(23) Connect the electrical connector (9).

CAUTION: MAKE SURE THAT THE LOCK PIN IS REMOVED FROM THE REGULATOR VALVE ASSEMBLY OF THE INFLATION RESERVOIR. IF IT IS NOT REMOVED, IT CAN PREVENT THE INFLATION OF THE ESCAPE SLIDE/RAFT.

(24) Do the special precautions after you worked on the escape slide system(s) (Ref. AMM TASK 25-62-00-081-001).

Subtask 25-62-49-790-050-B ** ON A/C NOT FOR ALL

F. Leak Test Procedure of the inflation reservoir

Inflation Reservoir ** ON A/C NOT FOR ALL

(1) Safety the inflation reservoir (13):

DISCHARGE OF THE INFLATION RESERVOIR
DEPLOYMENT OF THE ESCAPE SLIDE

WHICH CAN CAUSE INJURY AND/OR DAMAGE.

(a) Do the special precautions before you work on the escape slide system(s) (Ref. AMM TASK 25-62-00-481-001).
(2) Remove the escape slide enclosure (Ref. AMM TASK 25-62-47-000-001) before you start the leak test.
(3) Do the leak test of the pipe installed between the inflation reservoir (13) and the escape slide assembly:

CAUTION: MAKE SURE THAT YOU USE A GAGE WITH THE SPECIFIED PRESSURE RANGE. THIS IS NECESSARY TO GET AN ACCURATE PRESSURE MEASUREMENT.

CAUTION: MAKE SURE THAT THE LOCK PIN IS REMOVED FROM THE REGULATOR VALVE ASSEMBLY OF THE INFLATION RESERVOIR. IF IT IS NOT REMOVED, IT CAN PREVENT THE INFLATION OF THE ESCAPE SLIDE/RAFT.

(5) Do the special precautions after you worked on the escape slide system(s) (Ref. AMM TASK 25-62-00-081-001).

Subtask 25-62-49-710-050-B ** ON A/C NOT FOR ALL

G. Operational Test of the Inflation Reservoir (Slide-Bottle) monitoring through the Cabin Intercommunication Data System (CIDS)

Inflation Reservoir ** ON A/C NOT FOR ALL

Operational Test - Monitoring ** ON A/C NOT FOR ALL

NOTE: This test is applicable only if the Cabin Assignment Module (CAM) is programmed to monitor the pressure status of the slide-bottles.
If not, the FAP DOORS/SLIDES page will not show the message CHECK SLIDE PRESSURE.

(1) Energize the CIDS (Ref. AMM TASK 23-73-00-861-001).

NOTE: Two persons are necessary to do the test.

ACTION	RESULT
1.At Flight Attendant Panel (FAP) 120RH:	At FAP 120RH:
If the display screen is blank, touch the screen surface.	The CABIN STATUS page shows.
Select the Doors/Slides key (1).	The DOORS/SLIDES page comes into view.
2.At the applicable inflation reservoir (13):	At FAP 120RH:
Do the special precautions before you work on the escape slide system(s) (Ref. AMM TASK 25-62-00-481-001).	After approximately 3 minutes the DOORS/SLIDES page shows for the related door (3L, 3R) the message CHECK SLIDE PRESSURE.
CAUTION: MAKE SURE THAT THE LOCK PIN IS REMOVED FROM THE REGULATOR VALVE ASSEMBLY OF THE INFLATION RESERVOIR. IF IT IS NOT REMOVED, IT CAN PREVENT THE INFLATION OF THE ESCAPE SLIDE/RAFT. 3.At the applicable inflation reservoir (13): Do the special precautions after you worked on the escape slide system(s) (Ref. AMM TASK 25-62-00-081-001).	At FAP 120RH: After approximately 3 minutes, on the DOORS/SLIDES page, the message CHECK SLIDE PRESSURE goes out of view for the related door (3L, 3R).

5. Close-up
Subtask 25-62-49-410-050-B ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that you obeyed the special precautions after you worked on the escape slide system(s) (Ref. AMM D/O 25-62-00-08).
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Put the exit safety barrier strap in the retracted position.
(4) Remove the WARNING NOTICE(S).
(5) Close the emergency exit-door from the passenger compartment (Ref. AMM TASK 52-22-00-410-001).
(6) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

Subtask 25-62-49-410-050-D ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that you obeyed the special precautions after you worked on the escape slide system(s) (Ref. AMM TASK 25-62-00-081-001).
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Put the exit safety-barrier strap in the retracted position.
(4) Remove the WARNING NOTICE(S).
(5) Close the necessary door from the passenger compartment (Ref. AMM TASK 52-22-00-410-001).
(6) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

Subtask 25-62-49-862-050-A ** ON A/C NOT FOR ALL

B. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.04.01 06:08:45 UTC