DOC AIRBUS | AMM A320FDeactivation of the Manual Selector Valve
TASK 29-16-00-040-001-A
Deactivation of the Manual Selector Valve
1. Reason for the Job
MMEL 29-20-42A
HYDRAULIC RESERVOIR FOUR WAY SELECTOR VALVE ON GROUND SERVICE PANEL (FAA ONLY)
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
3. Job Set-up
Subtask 29-16-00-010-050-A
Subtask 29-16-00-611-050-A
Subtask 29-16-00-860-052-A
[Rev.10 from 2021]
2026.04.01 00:25:17 UTC
Deactivation of the Manual Selector Valve
1. Reason for the Job
MMEL 29-20-42A
HYDRAULIC RESERVOIR FOUR WAY SELECTOR VALVE ON GROUND SERVICE PANEL (FAA ONLY)
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| ALT29000001 | 1 | HYD GRND PWR UNIT3000 |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 197CB, 197EB, 198CB |
Subtask 29-16-00-010-050-A
A. Get Access
(1) Get access to the related hydraulic delivery connector of the hydraulic system it is necessary to fill:
(a) For the delivery connector (1008GM) of the Green hydraulic system:
4. Procedure(1) Get access to the related hydraulic delivery connector of the hydraulic system it is necessary to fill:
(a) For the delivery connector (1008GM) of the Green hydraulic system:
- Open the access panel 197CB.
- Open the access panel 197EB.
- Open the access panel 198CB.
Subtask 29-16-00-611-050-A
A. Procedure to Fill a Reservoir with a Defective Manual Selector Valve (1134GQ) on the Hydraulic Ground-Service Panel
(1) Connect the ALT29000001 HYD GRND PWR UNIT3000 to the hydraulic delivery connector of the system it is necessary to fill. Do not connect the suction line of the ALT29000001 HYD GRND PWR UNIT3000.
(2) Slowly increase the pressure until the reservoir fluid level increases.
(3) Monitor the fluid level at the reservoir. Stop the pressure supply when the fluid level in the reservoir is correct.
(4) Do a check of the manual selector valve (1134GQ) for leaks. If necessary, repair the leaks.
5. Close-up(1) Connect the ALT29000001 HYD GRND PWR UNIT3000 to the hydraulic delivery connector of the system it is necessary to fill. Do not connect the suction line of the ALT29000001 HYD GRND PWR UNIT3000.
(2) Slowly increase the pressure until the reservoir fluid level increases.
(3) Monitor the fluid level at the reservoir. Stop the pressure supply when the fluid level in the reservoir is correct.
(4) Do a check of the manual selector valve (1134GQ) for leaks. If necessary, repair the leaks.
Subtask 29-16-00-860-052-A
A. Put the aircraft back to the serviceable condition.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Disconnect the ALT29000001 HYD GRND PWR UNIT3000.
(3) Close the related access panel:
(a) For the delivery connector (1008GM) of the Green hydraulic system:
(5) Make an entry in the logbook.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Disconnect the ALT29000001 HYD GRND PWR UNIT3000.
(3) Close the related access panel:
(a) For the delivery connector (1008GM) of the Green hydraulic system:
- Close the access panel 197CB.
- Close the access panel 197EB.
- Close the access panel 198CB.
(5) Make an entry in the logbook.