Replacement of the Air Filter of the Air Chiller Unit
TASK 25-34-00-960-001-A
Replacement of the Air Filter of the Air Chiller Unit
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Expendable Parts
C. Referenced Information
3. Job Set-up
Subtask 25-34-00-861-050-A ** ON A/C NOT FOR ALL Subtask 25-34-00-941-050-A ** ON A/C NOT FOR ALL
Subtask 25-34-00-960-050-E ** ON A/C NOT FOR ALL
Subtask 25-34-00-410-050-A ** ON A/C NOT FOR ALL
[Rev.9 from 2019]
2026.03.31 23:33:55 UTC
Replacement of the Air Filter of the Air Chiller Unit
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 | WARNING NOTICE(S) |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 1 | AIR FILTER | AIPC 25-34-51-01-010 |
| 1 | AIR FILTER | AIPC 25-34-51-02-010 |
| REFERENCE | DESIGNATION |
|---|---|
| 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 |
Subtask 25-34-00-861-050-A ** ON A/C NOT FOR ALL Subtask 25-34-00-941-050-A ** ON A/C NOT FOR ALL
B. Safety Precautions
(1) On the overhead panel, on AIR COND panel 30VU:
(a) Make sure that these pushbutton switches are released:
(2) On the HP and LP ground-air connectors:
(a) Put the WARNING NOTICE(S) in position to tell persons not to connect the ground air supply.
Subtask 25-34-00-010-050-A ** ON A/C NOT FOR ALL (1) On the overhead panel, on AIR COND panel 30VU:
(a) Make sure that these pushbutton switches are released:
- APU BLEED pushbutton switch (the ON legend is off)
- All the ENG BLEED pushbutton switches (the OFF legends are on)
- PACK 1 and PACK 2 pushbutton switches (the OFF legends are on).
(2) On the HP and LP ground-air connectors:
(a) Put the WARNING NOTICE(S) in position to tell persons not to connect the ground air supply.
C. Get Access
(1) If you must replace the air filter of the air chiller unit of the Galley 1:
4. Procedure(1) If you must replace the air filter of the air chiller unit of the Galley 1:
- Remove the air grille from the air chiller compartment of the galley 1.
- Remove the air grille from the air chiller compartment of the galley 2.
- Remove the access panel of the air chiller unit.
Subtask 25-34-00-960-050-E ** ON A/C NOT FOR ALL
A. Replacement of the Air Chiller Filter
(1) Remove and discard the air filter (1).
(2) Install the new AIPC 25-34-51-01-010 AIR FILTER (1) for the forward galleys.
(3) Install the new AIPC 25-34-51-02-010 AIR FILTER (1) for the aft galley.
(4) Make sure that the new air filter (1) is the correct size.
(5) If necessary, cut the new air filter (1) to the correct size.
5. Close-up(1) Remove and discard the air filter (1).
(2) Install the new AIPC 25-34-51-01-010 AIR FILTER (1) for the forward galleys.
(3) Install the new AIPC 25-34-51-02-010 AIR FILTER (1) for the aft galley.
(4) Make sure that the new air filter (1) is the correct size.
(5) If necessary, cut the new air filter (1) to the correct size.
Subtask 25-34-00-410-050-A ** ON A/C NOT FOR ALL
A. Close Access
(1) If you replaced the air filter of the air chiller unit of the Galley 1:
Subtask 25-34-00-942-050-A ** ON A/C NOT FOR ALL (1) If you replaced the air filter of the air chiller unit of the Galley 1:
- Install the air grille on the air chiller compartment of the galley 1.
- Install the air grille on the air chiller compartment of the galley 2.
- Install the access panel of the air chiller unit .
B. Safety Precautions
(1) Remove the warning notice(s) from:
Subtask 25-34-00-862-050-A ** ON A/C NOT FOR ALL (1) Remove the warning notice(s) from:
- The HP and LP ground-air connectors
- AIR COND panel 30VU.
Air Filter of the Air Chiller Unit