B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
28-00-00-910-001 Fuel Safety Procedures 28-21-51-000-002 Removal of the Fuel Pumps 37QA(38QA) 28-25-00-650-001 Pressure Defuel 28-25-00-650-003 To Drain Remaining Fuel from the Wing Tanks and the
Center Tank
28-21-52-991-006 Fig. 405
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3. Job Set-up
__________ Subtask 28-21-52-941-068
A. Safety Precautions
WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
(1) You must obey the fuel safety procedures (Ref. TASK 28-00-00-910-001) when you do work on the fuel system.
(2) Put the safety barriers in position. Subtask 28-21-52-650-063
B. Fuel Configuration
(1)
Defuel the applicable fuel tank (Ref. TASK 28-25-00-650-001).
(2)
Drain the remaining fuel from the applicable fuel tank (Ref. TASK 28-25-00-650-003).
Subtask 28-21-52-865-064
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 37QA
121VU FUEL/CTR TK/PUMP1 SPLY 29QA P23 FOR 38QA
121VU FUEL/CTR TK/PUMP2 SPLY 30QA P26
Subtask 28-21-52-010-058
D. Get Access
(1)
Put the access platform in position below the the applicable fuel pump.
(2)
Remove the applicable fuel pump 37QA (38QA) (Ref. TASK 28-21-51-000-002).
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4. Procedure
_________
(Ref. Fig. 405/TASK 28-21-52-991-006) Subtask 28-21-52-020-059
A. Removal of the Slide Valve
(1)
Remove the screws (6) and the baulk arm assembly (5) from the canister (1).
(2)
Use the EXTRACTOR - FUEL PUMP (558-1-05903) to remove the slide valve
(4)
from the canister (1) as follows:
(a)
Engage the jacking screws of the EXTRACTOR - FUEL PUMP with the jacking holes in the slide valve (4).
(b)
Pull the slide valve (4) out of the canister (1).
(3)
Remove and discard the sealing ring (2) from its groove in the canister (1).
(4)
Remove and discard the two sealing rings (3) from their grooves in the slide valve (4).
(5)
Remove the EXTRACTOR - FUEL PUMP from the slide valve (4).
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Slide Valve of the Fuel Pump Canister 84QM(85QM)
Figure 405/TASK 28-21-52-991-006
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Installation of the Slide Valve of the Fuel Pump Canister 84QM(85QM)
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.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform No specific safety barriers No specific Torque Wrench : range 0.00 to 1.20 m.daN
(0.00 to 9.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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