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R R R  (12) Monitor the fuel that drains from the fuel pump drain hole again. If the fuel flow from the drain hole continues to be too much to let work continue, do this procedure:
 (a) Install the drain bolt (8) and the O-ring (9).
 (b) Defuel the applicable fuel tank (Ref. TASK 28-25-00-650-001).
 (c) Hold the fuel pump (2) and remove the drain bolt (8) with the O-ring (9).
 (d) Drain all fuel from the fuel pump (2) into the container. 
R  (13) Discard the O-ring (9). 
R  (14) Write down the position of the electrical receptacle (14). 
R  (15) Install the hooks (21) of the EXTRACTOR TOOL in the holes (4). 
R  (16) Turn the baulk-arm (13) on the retaining pin and spring assembly until it is clear of the fuel pump flange. 
R  (17) Pull down on the handles (23) to remove the fuel pump (2) from the slide valve.
 NOTE : The fuel-pump slide-valve stop-pin will not let the____ slide-valve be pushed into the canister. The fuel-inlet (through the canister) will stay closed until the slide-valve

 

 is turned and pushed into the canister during the fuel pump installation procedure. 
R  (18) Remove the EXTRACTOR TOOL from the fuel pump (2). 
R  (19) Remove and discard the O-rings (1), (11) and (10) from the fuel pump (2). 
R  (20) Examine the fuel pump (2) and the adjacent aircraft structure for signs of fuel leakage. 
R  (21) If fuel leakage is found, examine the applicable landing light assembly for fuel contamination (Ref. TASK 33-42-11-000-001).

 

 Installation of the Fuel Pumps 21QA(26QA) and 25QA(22QA)
 WARNING : MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING
_______
 NOTICES ARE IN POSITION.

 WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE LANDING GEAR ARE CLEAR.
_______
 CAUTION : WHEN YOU REPLACE THE FUEL PUMP(S) 21QA(26QA) OR 25QA(22QA), EXAMINE
_______ THE APPLICABLE LANDING LIGHT ASSEMBLY FOR SIGNS OF FUEL CONTAMINATION. IF YOU FIND FUEL CONTAMINATION, EXAMINE THE ITEMS THAT FOLLOW FOR SIGNS OF FUEL LEAKAGE:
 -
THE FUEL PUMP(S) 21QA(26QA) OR 25QA(22QA)

 -
THE WATER DRAIN VALVE 25QM(26QM) DIRECTLY FORWARD OF THE LANDING
 LIGHT ASSEMBLY.
 REFER TO AMM 28-11-00-06 FOR LEAKAGE LIMITS AND REPAIR AS NECESSARY.
 IF YOU DO NOT REPAIR THE LEAK, NO PERSONS MUST OPERATE THE APPLICABLE
 LANDING LIGHT UNTIL:

 -
THE LEAK IS REPAIRED

 -
THE LANDING LIGHT ASSEMBLY IS REPLACED.

 

 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.)
 No specific Torque Wrench : range 0.00 to 1.20 m.daN

 (0.00 to 9.00 lbf.ft)
R  558-1-05903 1 EXTRACTOR - FUEL PUMP 558-1-05903-002 1 EXTRACTOR TOOL
 1EFF : ALL 1 28-21-51Page 410 1 1 Aug 01/05 1 1 1CES 1 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)
 Material No. 19-010  USA AMS 5687 LOCKWIRE STAINLESS STEEL ANNEALED 0.8MM DIA (Ref. 20-31-00)
 C. Expendable Parts
 -------------------------------------------------------------------------------
FIG.ITEM --------- |DESIGNATION ---------------------------------------- |IPC-CSN------------------------------
1  O-ring  28-21-51 01 -010
 9  O-ring  28-21-51 01 -100
 9  O-ring  28-21-51 01 -100A
 10  O-ring  28-21-51 01 -020
 10  O-ring  28-21-51 01 -020A
 11  O-ring  28-21-51 01 -020
 11  O-ring  28-21-51 01 -020A
 D. Referenced Information
 ------------------REFERENCE  -------------------------------DESIGNATION ------------------------------

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