Installation of the Slide Valve of the Fuel Pump Canister
TASK 28-21-52-400-006-A
Installation of the Slide Valve of the Fuel Pump Canister
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Expendable Parts
D. Referenced Information
3. Job Set-up
Subtask 28-21-52-941-069-A ** ON A/C NOT FOR ALL
Subtask 28-21-52-420-063-A ** ON A/C NOT FOR ALL
Subtask 28-21-52-410-056-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:17:29 UTC
Installation of the Slide Valve of the Fuel Pump Canister
WARNING:
MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING NOTICES ARE IN POSITION.
WARNING:
MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE |
| No specific | AR | SAFETY BARRIER(S) |
| No specific | Torque wrench: range to between 22 and 18 lbf.in (0.25 and 0.20 m.daN ) ![]() |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.01ABA1) | Turbine Fuel-- Kerosene - |
| (Material No.03FAB1) | Mineral Oil base Grease-- Vaseline or Petrolatum - |
| (Material No.08BAA9) | Non Aqueous Cleaner-General - - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 3 | SEALING RINGS | AIPC 28-21-52-01-020 |
| 2 | SEALING RING | AIPC 28-21-52-01-030 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 12-11-28-650-003-A | Pressure Refuel with Automatic Control |
| TASK 28-00-00-910-001-A | Fuel Safety Procedures |
| TASK 28-21-51-000-002-A | Removal of the Fuel Pumps |
| TASK 28-21-51-400-002-A | Installation of the Fuel Pumps |
| TASK 28-25-00-650-001-A | Pressure Defuel |
| TASK 28-25-00-869-001-A | Fuel Transfer |
Subtask 28-21-52-941-069-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(2) Make sure that the SAFETY BARRIER(S) are in position.
Subtask 28-21-52-865-065-A ** ON A/C NOT FOR ALL WARNING:
OBEY THE FUEL SAFETY PROCEDURES.
(1) You must obey the fuel safety procedures when you do work on the fuel system (Ref. AMM TASK 28-00-00-910-001). (2) Make sure that the SAFETY BARRIER(S) are in position.
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
Subtask 28-21-52-860-055-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 37QA (PUMPFUEL NO 1, CTR TK) | |||
| 121VU | FUEL/CTR TK/PUMP1 SPLY | 29QA | P23 |
| FOR FIN: 38QA (PUMPFUEL NO 2, CTR TK) | |||
| 121VU | FUEL/CTR TK/PUMP2 SPLY | 30QA | P26 |
C. Aircraft Maintenance Configuration
(1) Make sure that the applicable fuel tank is defueled (Ref. AMM TASK 28-25-00-650-001).
(2) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is below the applicable fuel pump canister.
(3) Make sure that the applicable fuel pump is removed (Ref. AMM TASK 28-21-51-000-002).
4. Procedure(1) Make sure that the applicable fuel tank is defueled (Ref. AMM TASK 28-25-00-650-001).
(2) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is below the applicable fuel pump canister.
(3) Make sure that the applicable fuel pump is removed (Ref. AMM TASK 28-21-51-000-002).
Subtask 28-21-52-420-063-A ** ON A/C NOT FOR ALL
A. Preparation for Installation
(1) Clean the component interfaces and the adjacent areas with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
(2) Make sure that the slide valve is clean and in the correct condition.
(3) Do an inspection of the component interfaces and the adjacent area.
(4) Lubricate the new parts that follow with Turbine Fuel-- Kerosene - (Material No.01ABA1) or Mineral Oil base Grease-- Vaseline or Petrolatum - (Material No.03FAB1) :
Subtask 28-21-52-420-064-A ** ON A/C NOT FOR ALL (1) Clean the component interfaces and the adjacent areas with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
(2) Make sure that the slide valve is clean and in the correct condition.
(3) Do an inspection of the component interfaces and the adjacent area.
(4) Lubricate the new parts that follow with Turbine Fuel-- Kerosene - (Material No.01ABA1) or Mineral Oil base Grease-- Vaseline or Petrolatum - (Material No.03FAB1) :
B. Installation of the Slide Valve
(1) Install the sealing ring (2) in its groove in the canister (1).
(2) Install the sealing rings (3) in their grooves in the slide valve (4).
(3) Carefully push the slide valve (4) into the canister (1). Make sure that the sealing rings do not move from their installed positions.
(4) Engage the retaining pin of the baulk arm assembly (5) with the slot in the flange of the slide valve (4).
(5) Push the baulk arm assembly (5) into its opening in the canister (1).
(6) Install the screws (6).
(7) TORQUE the screws (6) to between 22 and 18 lbf.in (0.25 and 0.20 m.daN )
.
5. Close-up(1) Install the sealing ring (2) in its groove in the canister (1).
(2) Install the sealing rings (3) in their grooves in the slide valve (4).
(3) Carefully push the slide valve (4) into the canister (1). Make sure that the sealing rings do not move from their installed positions.
(4) Engage the retaining pin of the baulk arm assembly (5) with the slot in the flange of the slide valve (4).
(5) Push the baulk arm assembly (5) into its opening in the canister (1).
(6) Install the screws (6).
(7) TORQUE the screws (6) to between 22 and 18 lbf.in (0.25 and 0.20 m.daN )
. Subtask 28-21-52-410-056-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 applicable fuel pump 37QA (38QA) (Ref. AMM TASK 28-21-51-400-002).
Subtask 28-21-52-865-066-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 applicable fuel pump 37QA (38QA) (Ref. AMM TASK 28-21-51-400-002).
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 28-21-52-650-064-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 37QA (PUMPFUEL NO 1, CTR TK) | |||
| 121VU | FUEL/CTR TK/PUMP1 SPLY | 29QA | P23 |
| FOR FIN: 38QA (PUMPFUEL NO 2, CTR TK) | |||
| 121VU | FUEL/CTR TK/PUMP2 SPLY | 30QA | P26 |
C. Fuel Configuration
(1) Refuel, defuel or transfer fuel as necessary (Ref. AMM TASK 12-11-28-650-003), (Ref. AMM TASK 28-25-00-650-001) or (Ref. AMM TASK 28-25-00-869-001).
Subtask 28-21-52-942-058-A ** ON A/C NOT FOR ALL (1) Refuel, defuel or transfer fuel as necessary (Ref. AMM TASK 12-11-28-650-003), (Ref. AMM TASK 28-25-00-650-001) or (Ref. AMM TASK 28-25-00-869-001).
D. Removal of Equipment
(1) Remove the safety barriers.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(1) Remove the safety barriers.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
Slide Valve of the Fuel Pump Canister 84QM(85QM)