R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-21-51Page 425 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1 TASK 28-21-51-400-002

 Installation of the Fuel Pumps 37QA(38QA)
 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 container 2.0 l (0.5283 USgal)
 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)
 558-1-05903 1 EXTRACTOR - FUEL PUMP R 558-1-05903-002 1 EXTRACTOR TOOL
 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)

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 C. Expendable Parts -------------------------------------------------------------------------------
FIG.ITEM --------- |DESIGNATION ---------------------------------------- |IPC-CSN------------------------------
1  O-ring  28-21-51 01 -010
 7  O-ring  28-21-51 01 -100
 7  O-ring  28-21-51 01 -100A
 8  O-ring  28-21-51 01 -020
 8  O-ring  28-21-51 01 -020A
 9  O-ring  28-21-51 01 -020
 9  O-ring  28-21-51 01 -020A
 D. Referenced Information
 ------------------REFERENCE  -------------------------------DESIGNATION ------------------------------

-------------------------------------------------------------------------------
12-11-28-650-003 Pressure Refuel with Automatic Control 20-28-00-720-006 Check of the Electrical Bonding of the Fluid Systems 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
 External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
 from the External Power 27-80-00-866-005 Retracting the Slats on the Ground 28-00-00-910-001 Fuel Safety Procedures 28-25-00-650-001 Pressure Defuel 28-25-00-869-001 Fuel Transfer 28-21-51-991-002 Fig. 403 28-21-51-991-003 Fig. 404
 3. Job Set-up
__________
 Subtask 28-21-51-941-060
 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)
 Make sure that the safety barriers are in position.

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 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------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 28-21-51-860-052
 C. Aircraft Maintenance Configuration
 (1)
 Make sure that the access platform is below the applicable zone 141(142).

 (2)
 Make sure that applicable access panel 195BB(196BB) is open.

 (3)
 Make sure that the container is below the applicable fuel pump canister.

 4. Procedure
_________
 (Ref. Fig. 403/TASK 28-21-51-991-002, 404/TASK 28-21-51-991-003)
 Subtask 28-21-51-420-056
 A. Preparation for Installation
 (1)
 Clean the component interfaces and the adjacent areas with a MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-026).
　
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