(2)
Remove the warning notice(s).
(3)
Remove the access platform(s).
(4)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
1EFF : ALL 1 28-21-00Page 608 1 1 May 01/04 1 1 1CES 1R PRESSURE SWITCH - FUEL PUMP (23QA,24QA,27QA,28QA,39QA,40QA)
___________________________________________________________ R REMOVAL/INSTALLATION
____________________
TASK 28-21-15-000-003
Removal of the Fuel-Pump Pressure-Switch.
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______
START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
-
THE FLIGHT CONTROL SURFACES
-
THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE.
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
GEAR.
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.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking caps
No specific circuit breaker(s) safety clip(s)
No specific safety barriers
No specific container 1 l (0.2641 USgal)
No specific access platform 2.5 m (8 ft. 2 in.)
1EFF : ALL 1 28-21-15Page 401 1 1 May 01/04 1 1 1CES 1
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
28-00-00-910-001 Fuel Safety Procedures
32-12-00-010-001 Open the Main Gear Doors for Access
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
28-21-15-991-001 Fig. 401
**ON A/C 301-399,
28-21-15-991-001-A Fig. 401A
**ON A/C ALL
3. Job Set-up
__________
Subtask 28-21-15-941-050
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.
1EFF : ALL 1 28-21-15Page 402 1 1 Aug 01/05 1 1 1CES 1 Subtask 28-21-15-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------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
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
121VU FUEL/CTR TK/PUMP2 SPLY 30QA P26
Subtask 28-21-15-010-050
C. Get Access
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE LANDING GEAR DOORS ARE
_______
CLEAR.
(1) Open the applicable main gear door:
(Ref. TASK 32-12-00-010-001)
-
FOR 39QA
open 734
-
FOR 40QA
1EFF : ALL 1 28-21-15Page 403 1 1 Aug 01/05 1 1 1CES 1 open 744.
(2) Make sure that the GROUND LOCK SLEEVE (460005835) is on the applicable MLG door actuator.
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