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(9) Drain the remaining fuel from the applicable wing tank (Ref. TASK 28-25-00-650-003).
Subtask 28-21-52-865-061
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 1QM
121VU FUEL/L WING TK/PUMP2 SPLY 7QA N26 121VU FUEL/L WING TK/PUMP1 SPLY 1QA N23 121VU FUEL/R WING TK/PUMP1 SPLY 2QA Q23
FOR 1QM
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
121VU FUEL/CTR TK/PUMP2 SPLY 30QA P26
121VU FUEL/CTR TK/PUMP1 SPLY 29QA P23
**ON A/C ALL
121VU FUEL/R WING TK/PUMP2 SPLY 8QA Q26 123VU L WING TK/PUMP 1/STBY SPLY 11QA AD12 123VU R WING TK/PUMP 1/STBY SPLY 12QA AE12
Subtask 28-21-52-010-057
D. Get Access
(1)
Put the access platform in position below the applicable fuel pump.
(2)
Remove the applicable fuel pump (Ref. TASK 28-21-51-000-001).
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4. Procedure
_________
(Ref. Fig. 404/TASK 28-21-52-991-005) Subtask 28-21-52-020-058
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 1QM(4QM) and 2QM(3QM)
Figure 404/TASK 28-21-52-991-005
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Installation of the Slide Valve of the Fuel Pump Canister 1QM(4QM) and 2QM(3QM)
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 safety barriers
No specific access platform 2.8 m (9 ft. 2 in.) R No specific Torque Wrench : range 0.00 to 1.20 m.daN R (0.00 to 9.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 01-001 USA ASTM-D-1655-93 (JET A-1) FUEL, TURBO (Ref. 20-31-00) Material No. 04-012 USA VV-P-236 PURE MINERALVASELINE OR PETRO- LATUM (Ref. 20-31-00) Material No. 11-026 GB DEF-STAN 68-148/1 SOLVENT GENERAL PURPOSE (Ref. 20-31-00) Material No. 19-003 USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
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C. Expendable Parts -------------------------------------------------------------------------------
FIG.ITEM --------- |DESIGNATION ---------------------------------------- |IPC-CSN------------------------------
2 sealing ring 28-21-52 01 -030
2 sealing ring 28-21-52 01A-030
3 sealing rings 28-21-52 01 -020
3 sealing rings 28-21-52 01A-020
D. Referenced Information
------------------REFERENCE -------------------------------DESIGNATION ------------------------------
-------------------------------------------------------------------------------
12-11-28-650-003 Pressure Refuel with Automatic Control 28-00-00-910-001 Fuel Safety Procedures 28-21-51-000-001 Removal of the Fuel Pumps 21QA(26QA) and 25QA(22QA) 28-21-51-400-001 Installation of the Fuel Pumps 21QA(26QA) and
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