DOC AIRBUS | AMM A320FInstallation of the Power Drive Unit
TASK 25-52-26-400-001-A
Installation of the Power Drive Unit
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 25-52-26-860-051-A ** ON A/C NOT FOR ALL
Subtask 25-52-26-910-050-C ** ON A/C NOT FOR ALL
Subtask 25-52-26-410-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 04:35:47 UTC
Installation of the Power Drive Unit
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.
WARNING:
DO NOT TOUCH THE POWER DRIVE UNIT:
- UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS WHEN YOU DO THE MAINTENANCE TASK(S)
- DURING OPERATION TO PREVENT INJURY FROM PARTS THAT TURN.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
CAUTION:
USE ONLY THE SPECIFIED MATERIALS AND OBEY THE INSTRUCTIONS FROM THE MATERIAL MANUFACTURERS. OTHER MATERIALS CAN CAUSE DAMAGE TO THE SURFACE PROTECTION OF THE COMPONENTS AND THE RELATED AREA.
ZONE: 130
ZONE: 150
FIN: 108MY ** ON A/C NOT FOR ALL
FIN: 110MY ** ON A/C NOT FOR ALL
FIN: 112MY ** ON A/C NOT FOR ALL
FIN: 114MY ** ON A/C NOT FOR ALL
FIN: 115MY ** ON A/C NOT FOR ALL
FIN: 117MY ** ON A/C NOT FOR ALL
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FIN: 19MY ** ON A/C NOT FOR ALL
FIN: 22MY ** ON A/C NOT FOR ALL
FIN: 24MY ** ON A/C NOT FOR ALL
1. Reason for the JobZONE: 150
FIN: 108MY ** ON A/C NOT FOR ALL
FIN: 110MY ** ON A/C NOT FOR ALL
FIN: 112MY ** ON A/C NOT FOR ALL
FIN: 114MY ** ON A/C NOT FOR ALL
FIN: 115MY ** ON A/C NOT FOR ALL
FIN: 117MY ** ON A/C NOT FOR ALL
FIN: 14MY ** ON A/C NOT FOR ALL
FIN: 15MY ** ON A/C NOT FOR ALL
FIN: 17MY ** ON A/C NOT FOR ALL
FIN: 19MY ** ON A/C NOT FOR ALL
FIN: 22MY ** ON A/C NOT FOR ALL
FIN: 24MY ** ON A/C NOT FOR ALL
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) |
| No specific | 1 | WARNING NOTICE(S) |
| ES750-51 | 1 | GAUGE-ENDPIECE |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.03FAB1) | Mineral Oil base Grease-- Vaseline or Petrolatum - |
| (Material No.06AAC1) | Polysulfide Sealant-General Purpose Interfay - |
| (Material No.06LCG9) | Non Hardening Jointing Putty-Medium Temp. Area - - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 130 | FWD CARGO COMPT AFT BULKHEAD OF AVNCS COMPT TO FWD PRESSURE BULKHEAD OF WING CENTER BOX |
| 150 | AFT CARGO COMPARTMENT FWD PRESS BULKHEAD TO AFT BULKHEAD OF AFT CARGO COMPARTMENT |
| 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 |
| TASK 25-52-00-710-005-A | Operational Test of the Power Drive Units |
| TASK 25-52-26-000-002-A | Removal of the Roller Assembly |
| TASK 25-52-26-400-002-A | Installation of the Roller Assembly |
| TASK 52-30-00-860-001-A | Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
| TASK 52-30-00-860-002-A | Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
| ESPM 204410 | |
Power Drive UnitSubtask 25-52-26-860-051-A ** 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 the forward and/or aft cargo-compartment door is opened (Ref. AMM TASK 52-30-00-860-001).
(3) Make sure that the ACCESS PLATFORM 2M (6 FT) is in position at the opening of the applicable cargo-compartment door.
(4) Make sure that the WARNING NOTICE(S) is in position at the applicable control panel of the cargo loading system.
(5) Make sure that the light switch of the forward and/or aft cargo compartment is in the "ON" position.
Subtask 25-52-26-865-064-A ** ON A/C NOT FOR ALL (1) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).
(2) Make sure that the forward and/or aft cargo-compartment door is opened (Ref. AMM TASK 52-30-00-860-001).
(3) Make sure that the ACCESS PLATFORM 2M (6 FT) is in position at the opening of the applicable cargo-compartment door.
(4) Make sure that the WARNING NOTICE(S) is in position at the applicable control panel of the cargo loading system.
(5) Make sure that the light switch of the forward and/or aft cargo compartment is in the "ON" position.
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 | |||
| 2000VU | SEMI AUTO CLS-FWD | 3MY | E08 |
| 2000VU | SEMI AUTO CLS-FWD | 2MY | E06 |
| 2001VU | SEMI AUTO CLS-AFT | 103MY | D08 |
| 2001VU | SEMI AUTO CLS-AFT | 102MY | D06 |
Subtask 25-52-26-910-050-C ** ON A/C NOT FOR ALL
A. Preparation for Installation
(1) Examine the installation area of the power drive unit (PDU) for cracks, corrosion or other damage.
(2) Examine the PDU roller for cracks or other damages:
(a) Make sure that the rubber of the roller assy is not separated or loose.
(c) Use the ES750-51 GAUGE-ENDPIECE as necessary to examine the allowable diameter of the PDU rubber wear, the tool is a "NO-GO" gauge.
(d) If the tool gives the result "NO-GO", replace the roller.
(e) If necessary, remove the related roller assy and install a new one (Ref. AMM TASK 25-52-26-000-002) (Ref. AMM TASK 25-52-26-400-002).
(a) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the threads of all screws.
(b) Apply a layer of Polysulfide Sealant-General Purpose Interfay - (Material No.06AAC1) to the contact surface of the roller tracks.
(c) Apply a layer of Mineral Oil base Grease-- Vaseline or Petrolatum - (Material No.03FAB1) to the base of the PDU.
Subtask 25-52-26-420-050-C ** ON A/C NOT FOR ALL (1) Examine the installation area of the power drive unit (PDU) for cracks, corrosion or other damage.
(2) Examine the PDU roller for cracks or other damages:
(a) Make sure that the rubber of the roller assy is not separated or loose.
NOTE: Rubber separation is not permitted.
(b) Cuts and cracks in the rubber are permitted. (c) Use the ES750-51 GAUGE-ENDPIECE as necessary to examine the allowable diameter of the PDU rubber wear, the tool is a "NO-GO" gauge.
(d) If the tool gives the result "NO-GO", replace the roller.
(e) If necessary, remove the related roller assy and install a new one (Ref. AMM TASK 25-52-26-000-002) (Ref. AMM TASK 25-52-26-400-002).
NOTE: Rubber break-outs from the edges of the roller assy are permitted.
(3) Apply materials: (a) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the threads of all screws.
(b) Apply a layer of Polysulfide Sealant-General Purpose Interfay - (Material No.06AAC1) to the contact surface of the roller tracks.
(c) Apply a layer of Mineral Oil base Grease-- Vaseline or Petrolatum - (Material No.03FAB1) to the base of the PDU.
B. Installation of the Power Drive Unit (PDU)
(1) Remove the CAP-BLANKING from each electrical connector and receptacle.
(2) Make sure that all the electrical connections are clean and in the correct condition.
(3) Connect the electrical connector (5) to the receptacle (4) ESPM 204410.
(4) Put the PDU (3) in the correct installation position on the roller track (6).
(5) Install the PDU (3) with the bolts (1) and the washers (2).
Subtask 25-52-26-860-052-A ** ON A/C NOT FOR ALL (1) Remove the CAP-BLANKING from each electrical connector and receptacle.
(2) Make sure that all the electrical connections are clean and in the correct condition.
(3) Connect the electrical connector (5) to the receptacle (4) ESPM 204410.
(4) Put the PDU (3) in the correct installation position on the roller track (6).
(5) Install the PDU (3) with the bolts (1) and the washers (2).
C. Preparation for the Test
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Lower the XZ-single latches 32.
(3) Remove the WARNING NOTICE(S).
Subtask 25-52-26-865-065-A ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Lower the XZ-single latches 32.
(3) Remove the WARNING NOTICE(S).
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 25-52-26-710-050-A ** ON A/C NOT FOR ALL 5. Close-up| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 2000VU | SEMI AUTO CLS-FWD | 3MY | E08 |
| 2000VU | SEMI AUTO CLS-FWD | 2MY | E06 |
| 2001VU | SEMI AUTO CLS-AFT | 103MY | D08 |
| 2001VU | SEMI AUTO CLS-AFT | 102MY | D06 |
Subtask 25-52-26-410-050-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) Remove the WARNING NOTICE(S).
(3) Set the light switch to off.
(4) Close the forward and/or aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-002).
(5) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).
(6) Remove the access platform(s).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the WARNING NOTICE(S).
(3) Set the light switch to off.
(4) Close the forward and/or aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-002).
(5) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).
(6) Remove the access platform(s).