DOC AIRBUS | AMM A320FInstallation of the Anti-Ice Valve
TASK 21-61-41-400-001-A
Installation of the Anti-Ice Valve
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Expendable Parts
E. Referenced Information
3. Job Set-up
Subtask 21-61-41-860-050-A ** ON A/C NOT FOR ALL
Subtask 21-61-41-420-050-A ** ON A/C NOT FOR ALL
Subtask 21-61-41-410-051-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:11:39 UTC
Installation of the Anti-Ice Valve
WARNING:
MAKE SURE THAT AIR IS NOT SUPPLIED TO THE AIR CONDITIONING SYSTEM FROM THE MAIN ENGINE, THE APU OR A GROUND SOURCE.
HOT COMPRESSED AIR CAN CAUSE INJURY TO PERSONNEL.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.03PBB1) | Lubricant-Anti Seize High Temp. - |
| (Material No.03QBD1) | Dry lubricant-General Assembly Graphite - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [17HH] (VALVE-ANTI ICE) | |
| 191KB | |
| FOR [37HH] (VALVE-ANTI ICE) | |
| 192KB | |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 2 | PACKING | AIPC 21-52-41-27-055 |
| 7 | PACKING | AIPC 21-52-41-27-055 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 12-33-21-618-001-A-01 | Pre-conditioning through the HP Ground Connection |
| TASK 12-33-21-618-001-A-02 | Pre-conditioning with the APU |
| TASK 20-28-00-912-802-A | Electrical Bonding - General Maintenance Procedure |
| TASK 21-52-00-200-003-A | Detailed Visual Inspection of the Anti-Ice Valve Sense-Lines |
| TASK 21-61-00-710-001-A | Operational Test of the Pack Temperature-Control System |
| TASK 24-41-00-861-002-A | Energize the Aircraft Electrical Circuits from the External Power |
| TASK 24-41-00-861-002-A-01 | Energize the Aircraft Electrical Circuits from the APU |
| TASK 24-41-00-861-002-A-02 | Energize the Aircraft Electrical Circuits from Engine 1(2) |
| TASK 24-41-00-862-002-A | De-energize the Aircraft Electrical Circuits Supplied from the External Power |
| TASK 24-41-00-862-002-A-01 | De-energize the Aircraft Electrical Circuits Supplied from the APU |
| TASK 24-41-00-862-002-A-02 | De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2) |
| TASK 53-35-13-000-002-A | Removal of the Quick-Release Access Panels from the Belly Fairing Structure |
| TASK 53-35-13-400-002-A | Installation of the Quick-Release Access Panels on the Belly Fairing Structure |
Anti-icing Valve.Subtask 21-61-41-860-050-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Make sure that the aircraft electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that the access panel(s) are removed (Ref. AMM TASK 53-35-13-000-002).
(a) FOR [17HH] (VALVE-ANTI ICE)
(b) FOR [37HH] (VALVE-ANTI ICE)
Subtask 21-61-41-865-061-A ** ON A/C NOT FOR ALL (1) Make sure that the aircraft electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that the access panel(s) are removed (Ref. AMM TASK 53-35-13-000-002).
(a) FOR [17HH] (VALVE-ANTI ICE)
(b) FOR [37HH] (VALVE-ANTI ICE)
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 17HH (VALVEANTI ICE) | |||
| 122VU | AIR COND/PACK TEMP/CTL SYS1/1/115VAC | 1HH | X22 |
| 122VU | AIR COND/PACK TEMP/CTL SYS1/1/28VDC | 3HH | X21 |
| 122VU | AIR COND/PACK TEMP CTL SYS2/1/28VDC | 4HH | Y19 |
| 122VU | AIR COND/PACK TEMP CTL SYS2/1/115VAC | 2HH | Y18 |
| FOR FIN: 37HH (VALVEANTI ICE) | |||
| 122VU | AIR COND/PACK TEMP/CTL SYS1/2/115VAC | 21HH | W22 |
| 122VU | AIR COND/PACK TEMP/CTL SYS1/2/28VDC | 23HH | W21 |
| 122VU | AIR COND/PACK TEMP CTL SYS2/2/28VDC | 24HH | Y21 |
| 122VU | AIR COND/PACK TEMP CTL SYS2/2/115VAC | 22HH | Y20 |
Subtask 21-61-41-420-050-A ** ON A/C NOT FOR ALL
A. Installation of the Anti-ice Valve
(1) Make sure that the parts retained from the removed component are clean and in the correct condition.
(2) Make sure that the anti-ice valve sense-lines are in a good condition (Ref. AMM TASK 21-52-00-200-003).
(3) Make sure that the removed packings are in a good condition. If necessary replace the AIPC 21-52-41-27-055 PACKING (2) and/or the AIPC 21-52-41-27-055 PACKING (7).
(4) Remove the blanking plugs from the disconnected line ends.
(5) Clean the component interfaces and the adjacent area.
(6) Apply lubricant:
(7) Put the packing (2) in position on the anti-ice valve (13) and the packing (7) in position on the pipe-assembly flange (8).
(8) Put the anti-ice valve (13) in position between the pipe-assembly flange (1) and the pipe-assembly flange (8).
(9) Install the clamps (6) and (12).
.
(12) Install the pneumatic sense hose (9).
(13) TORQUE the pneumatic sense hose (9) connector to between 1.05 and 0.95 m.daN (92.92 and 84.07 lbf.in ).
(14) Make sure that the clamps (6) and (12) are in the correct position.
(15) TORQUE the clamps (6) and (12) to between 0.56 and 0.51 m.daN (49.56 and 45.13 lbf.in ).
(16) Put the bonding strap (10) in position on the reheater (16) and install the screw (11), the washer (15) and the nut (17).
(17) TORQUE the nut (17) to between 0.25 and 0.2 m.daN (22.12 and 17.70 lbf.in ) (Ref. AMM TASK 20-28-00-912-802).
(18) Remove the blanking caps and connect the electrical connector (3).
(19) Make sure that the work area is clean and clear of tools and other items.
Subtask 21-61-41-420-050-B ** ON A/C NOT FOR ALL (1) Make sure that the parts retained from the removed component are clean and in the correct condition.
(2) Make sure that the anti-ice valve sense-lines are in a good condition (Ref. AMM TASK 21-52-00-200-003).
(3) Make sure that the removed packings are in a good condition. If necessary replace the AIPC 21-52-41-27-055 PACKING (2) and/or the AIPC 21-52-41-27-055 PACKING (7).
(4) Remove the blanking plugs from the disconnected line ends.
(5) Clean the component interfaces and the adjacent area.
(6) Apply lubricant:
CAUTION:
USE ONLY THE SPECIFIED LUBRICANT TO LUBRICATE THE O-RINGS AND THE PACKINGS. OTHER LUBRICANTS CAN CAUSE SMOKE OR A SMELL IN THE CABIN WHEN THEY BECOME HOT.
(a) Apply a small quantity of Dry lubricant-General Assembly Graphite - (Material No.03QBD1) to the packings (2) and/or (7). (7) Put the packing (2) in position on the anti-ice valve (13) and the packing (7) in position on the pipe-assembly flange (8).
(8) Put the anti-ice valve (13) in position between the pipe-assembly flange (1) and the pipe-assembly flange (8).
(9) Install the clamps (6) and (12).
NOTE: Do not fully tighten at this time.
(10) Install the sense line connectors (4), (5), (14) and (18). NOTE: Apply a small quantity of Lubricant-Anti Seize High Temp. - (Material No.03PBB1) to the threaded parts of the connectors.
(11) TORQUE the sense line connectors (4), (5), (14) and (18) to between 0.915 and 0.9 m.daN (80.97 and 79.65 lbf.in ) . (12) Install the pneumatic sense hose (9).
(13) TORQUE the pneumatic sense hose (9) connector to between 1.05 and 0.95 m.daN (92.92 and 84.07 lbf.in )
. (14) Make sure that the clamps (6) and (12) are in the correct position.
(15) TORQUE the clamps (6) and (12) to between 0.56 and 0.51 m.daN (49.56 and 45.13 lbf.in )
. (16) Put the bonding strap (10) in position on the reheater (16) and install the screw (11), the washer (15) and the nut (17).
(17) TORQUE the nut (17) to between 0.25 and 0.2 m.daN (22.12 and 17.70 lbf.in )
(Ref. AMM TASK 20-28-00-912-802). (18) Remove the blanking caps and connect the electrical connector (3).
(19) Make sure that the work area is clean and clear of tools and other items.
A. Installation of the Anti-ice Valve
(1) Make sure that the parts retained from the removed component are clean and in the correct condition.
(2) Make sure that the anti-ice valve sense-lines are in a good condition (Ref. AMM TASK 21-52-00-200-003).
(3) Make sure that the removed packings are in a good condition. If necessary replace the AIPC 21-52-41-27-055 PACKING (2) and/or the AIPC 21-52-41-27-055 PACKING (7).
(4) Remove the blanking plugs from the disconnected line ends.
(5) Clean the component interfaces and the adjacent area.
(6) Apply lubricant:
(7) Put the packing (2) in position on the anti-ice valve (11) and the packing (7) in position on the pipe-assembly flange (8).
(8) Put the anti-ice valve (11) in position between the pipe-assembly flange (1) and the pipe-assembly flange (8).
(9) Install the clamps (6) and (10).
.
(12) Install the pneumatic sense hose (16).
(13) TORQUE the pneumatic sense hose (16) connector to between 1.05 and 0.95 m.daN (92.92 and 84.07 lbf.in ).
(14) Make sure that the clamps (6) and (10) are in the correct position.
(15) TORQUE the clamps (6) and (10) to between 0.56 and 0.51 m.daN (49.56 and 45.13 lbf.in ).
(16) Put the bonding strap (13) in position on the reheater (18) and install the screw (9), the washer (17) and the nut (15).
(17) TORQUE the nut (15) to between 0.25 and 0.2 m.daN (22.12 and 17.70 lbf.in ) (Ref. AMM TASK 20-28-00-912-802).
(18) Remove the blanking caps and connect the electrical connector (3).
(19) Make sure that the work area is clean and clear of tools and other items.
Subtask 21-61-41-865-062-A ** ON A/C NOT FOR ALL (1) Make sure that the parts retained from the removed component are clean and in the correct condition.
(2) Make sure that the anti-ice valve sense-lines are in a good condition (Ref. AMM TASK 21-52-00-200-003).
(3) Make sure that the removed packings are in a good condition. If necessary replace the AIPC 21-52-41-27-055 PACKING (2) and/or the AIPC 21-52-41-27-055 PACKING (7).
(4) Remove the blanking plugs from the disconnected line ends.
(5) Clean the component interfaces and the adjacent area.
(6) Apply lubricant:
CAUTION:
USE ONLY THE SPECIFIED LUBRICANT TO LUBRICATE THE O-RINGS AND THE PACKINGS. OTHER LUBRICANTS CAN CAUSE SMOKE OR A SMELL IN THE CABIN WHEN THEY BECOME HOT.
(a) Apply a small quantity of Dry lubricant-General Assembly Graphite - (Material No.03QBD1) to the packings (2) and/or (7). (7) Put the packing (2) in position on the anti-ice valve (11) and the packing (7) in position on the pipe-assembly flange (8).
(8) Put the anti-ice valve (11) in position between the pipe-assembly flange (1) and the pipe-assembly flange (8).
(9) Install the clamps (6) and (10).
NOTE: Do not fully tighten at this time.
(10) Install the sense line connectors (4), (5), (12) and (14). NOTE: Apply a small quantity of Lubricant-Anti Seize High Temp. - (Material No.03PBB1) to the threaded parts of the connectors.
(11) TORQUE the sense line connectors (4), (5), (12) and (14) to between 0.915 and 0.9 m.daN (80.97 and 79.65 lbf.in ) . (12) Install the pneumatic sense hose (16).
(13) TORQUE the pneumatic sense hose (16) connector to between 1.05 and 0.95 m.daN (92.92 and 84.07 lbf.in )
. (14) Make sure that the clamps (6) and (10) are in the correct position.
(15) TORQUE the clamps (6) and (10) to between 0.56 and 0.51 m.daN (49.56 and 45.13 lbf.in )
. (16) Put the bonding strap (13) in position on the reheater (18) and install the screw (9), the washer (17) and the nut (15).
(17) TORQUE the nut (15) to between 0.25 and 0.2 m.daN (22.12 and 17.70 lbf.in )
(Ref. AMM TASK 20-28-00-912-802). (18) Remove the blanking caps and connect the electrical connector (3).
(19) Make sure that the work area is clean and clear of tools and other items.
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 21-61-41-710-050-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 17HH (VALVEANTI ICE) | |||
| 122VU | AIR COND/PACK TEMP/CTL SYS1/1/115VAC | 1HH | X22 |
| 122VU | AIR COND/PACK TEMP/CTL SYS1/1/28VDC | 3HH | X21 |
| 122VU | AIR COND/PACK TEMP CTL SYS2/1/28VDC | 4HH | Y19 |
| 122VU | AIR COND/PACK TEMP CTL SYS2/1/115VAC | 2HH | Y18 |
| FOR FIN: 37HH (VALVEANTI ICE) | |||
| 122VU | AIR COND/PACK TEMP/CTL SYS1/2/115VAC | 21HH | W22 |
| 122VU | AIR COND/PACK TEMP/CTL SYS1/2/28VDC | 23HH | W21 |
| 122VU | AIR COND/PACK TEMP CTL SYS2/2/28VDC | 24HH | Y21 |
| 122VU | AIR COND/PACK TEMP CTL SYS2/2/115VAC | 22HH | Y20 |
C. Test
(1) Do the pre-conditioning through the HP ground connector or with the APU (Ref. AMM TASK 12-33-21-618-001) (Ref. AMM TASK 12-33-21-618-001).
(2) Do a leak check of the anti-ice valve and sense line connections.
(4) Do the operational test of the pack temperature control system (Ref. AMM TASK 21-61-00-710-001).
5. Close-up(1) Do the pre-conditioning through the HP ground connector or with the APU (Ref. AMM TASK 12-33-21-618-001) (Ref. AMM TASK 12-33-21-618-001).
(2) Do a leak check of the anti-ice valve and sense line connections.
NOTE: Leaks are not permitted.
(3) After approx. 15 minutes stop the pre-conditioning (Ref. AMM TASK 12-33-21-618-001) (Ref. AMM TASK 12-33-21-618-001). (4) Do the operational test of the pack temperature control system (Ref. AMM TASK 21-61-00-710-001).
Subtask 21-61-41-410-051-A ** ON A/C NOT FOR ALL
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panel(s) (Ref. AMM TASK 53-35-13-400-002).
(a) FOR [17HH] (VALVE-ANTI ICE)
(b) FOR [37HH] (VALVE-ANTI ICE)
Subtask 21-61-41-862-050-A ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panel(s) (Ref. AMM TASK 53-35-13-400-002).
(a) FOR [17HH] (VALVE-ANTI ICE)
(b) FOR [37HH] (VALVE-ANTI ICE)