Installation of the Quantity Indicator
TASK 29-31-21-400-001-A
Installation of the Quantity Indicator
Self explanatory
2. Job Set-up Information
A. Work Zones and Access Panels
B. Referenced Information
3. Job Set-up
Subtask 29-31-21-860-050-A Subtask 29-31-21-865-051-A
Subtask 29-31-21-420-050-A
Subtask 29-31-21-410-050-A
[Rev.10 from 2021]
2026.04.01 00:27:32 UTC
Installation of the Quantity Indicator
FIN: 1834GQ
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Work Zones and Access Panels
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 196BB, 197CB, 197FB |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 32-12-00-010-001-A | Open the Main Gear Doors for Access |
| TASK 32-12-00-410-001-A | Close the Main Gear Doors after Access |
Subtask 29-31-21-860-050-A Subtask 29-31-21-865-051-A
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 121VU | HYDRAULIC/HYD/QTY/IND | 1831GQ | P35 |
Subtask 29-31-21-420-050-A
A. Installation of the Quantity Indicator
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Remove the blanking caps from the electrical connector (4) and the quantity indicator (2).
(4) Make sure that all the electrical connections are clean and in the correct condition.
(5) Connect the electrical connector (4) to the quantity indicator (2).
(6) Install and align the quantity indicator (2) in the ground service panel (3) of the Green hydraulic system.
(7) Tighten the screws (1).
Subtask 29-31-21-010-051-A NOTE: It is possible to install a quantity indicator with the unit LITERS or US GAL shown on the dial. Make sure that you install the related quantity indicator for your hydraulic system.
(1) Clean the component interfaces and the adjacent area.(2) Do an inspection of the component interfaces and the adjacent area.
(3) Remove the blanking caps from the electrical connector (4) and the quantity indicator (2).
(4) Make sure that all the electrical connections are clean and in the correct condition.
(5) Connect the electrical connector (4) to the quantity indicator (2).
(6) Install and align the quantity indicator (2) in the ground service panel (3) of the Green hydraulic system.
(7) Tighten the screws (1).
B. Get Access
(1) Open the doors of the main landing gear (Ref. AMM TASK 32-12-00-010-001).
(2) Open access doors 196BB 197FB.
Subtask 29-31-21-865-052-A (1) Open the doors of the main landing gear (Ref. AMM TASK 32-12-00-010-001).
(2) Open access doors 196BB 197FB.
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 29-31-21-710-050-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 121VU | HYDRAULIC/HYD/QTY/IND | 1831GQ | P35 |
D. Make sure that the quantity indicator shows the same hydraulic quantity as:
5. Close-up- The quantity indicator of the reservoir of the Green hydraulic system
- The quantity indicator of the reservoir of the Blue hydraulic system
- The quantity indicator of the reservoir of the Yellow hydraulic system.
Subtask 29-31-21-410-050-A
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close access doors 197CB 197FB 196BB.
(3) Close the doors of the main landing gear (Ref. AMM TASK 32-12-00-410-001).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close access doors 197CB 197FB 196BB.
(3) Close the doors of the main landing gear (Ref. AMM TASK 32-12-00-410-001).
Quantity Indicator