R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
28-21-15-991-001 Fig. 401
1EFF : ALL 1 28-21-15Page 409 1 1 Aug 01/05 1 1 1CES 1
-------------------------------------------------------------------------------
REFERENCE DESIGNATION -------------------------------------------------------------------------------
**ON A/C 301-399,
28-21-15-991-001-A Fig. 401A
**ON A/C ALL
3. Job Set-up
__________
Subtask 28-21-15-941-052
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. R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
Subtask 28-21-15-860-053
B. Aircraft Maintenance Configuration
(1)
Make sure that the applicable MLG door 734(744) is open (Ref. TASK 32-12-00-010-001).
(2)
Make sure that the GROUND LOCK SLEEVE (460005835) is on the applicable MLG door actuator.
(3)
Make sure that the access platform is in the applicable MLG bay.
(4)
Make sure that the container is below the applicable pressure switch.
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Subtask 28-21-15-860-053-A
B. Aircraft Maintenance Configuration
(1)
Make sure that the access platform is in the applicable MLG bay.
(2)
Make sure that the container is below the applicable pressure switch.
**ON A/C ALL
Subtask 28-21-15-865-062
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 23QA
121VU FUEL/L WING TK/PUMP1 SPLY 1QA N23 123VU L WING TK/PUMP 1/STBY SPLY 11QA AD12 FOR 27QA 121VU FUEL/L WING TK/PUMP2 SPLY 7QA N26
FOR 24QA 121VU FUEL/R WING TK/PUMP1 SPLY 2QA Q23 123VU R WING TK/PUMP 1/STBY SPLY 12QA AE12
FOR 28QA 121VU FUEL/R WING TK/PUMP2 SPLY 8QA Q26 FOR 39QA
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
121VU FUEL/CTR TK/PUMP1 SPLY 29QA P23
**ON A/C ALL
FOR 40QA
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R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
121VU FUEL/CTR TK/PUMP2 SPLY 30QA P26
**ON A/C ALL
4. Procedure
_________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
(Ref. Fig. 401/TASK 28-21-15-991-001)
**ON A/C 301-399,
(Ref. Fig. 401A/TASK 28-21-15-991-001-A)
**ON A/C ALL
CAUTION : BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING
_______
EDGE:
-
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
-
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
-MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.
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Subtask 28-21-15-420-051
A. Preparation for Installation
WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
(1)
Clean the component interfaces and the adjacent areas with a MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-004)
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