28-21-52-991-001-B Fig. 401A
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499, Post SB 28-1077 For A/C 001-049,051-061,101-103,201-203, 28-21-52-991-001-A Fig. 401B **ON A/C ALL
3. Job Set-up
__________
Subtask 28-21-52-941-059
A. Safety Procedures WARNING : OBEY THE SAFETY PROCEDURES WHEN YOU DO WORK IN A FUEL TANK.
_______
(1)
You must obey the fuel safety procedures (Ref. TASK 28-10-00-910-001) when you you do work in a fuel tank.
(2)
Put the safety barriers in position.
1EFF : ALL 1 28-21-52Page 423 1 1 Aug 01/05 1 1 1CES 1R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
Subtask 28-21-52-650-054
B. Fuel Configuration
(1)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(2)
Defuel (Ref. TASK 28-25-00-650-001) or transfer (Ref. TASK 28-25-00-869-001) the fuel from the applicable wing tank.
(3)
Energize the ECAM system (Ref. TASK 31-60-00-860-001).
(4)
On the ECAM Control Panel:
-push (in) the FUEL system page button.
(5)
On the panel 40VU:
-release (out) the X FEED P/BSW. Make sure that the ON and OPEN lights go off.
(6)
On the ECAM SDU, make sure that the crossfeed valve indication shows green cross-line (closed).
(7)
On the ECAM SDU, turn the LOWER DISPLAY switch counter-clockwise to the off position. Make sure that the ECAM SDU goes off.
(8)
De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
(9)
Drain the remaining fuel from the applicable wing tank (Ref. TASK 28-25-00-650-003).
**ON A/C 301-399,
Subtask 28-21-52-650-054-A
B. Fuel Configuration
(1)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(2)
Defuel (Ref. TASK 28-25-00-650-001) or transfer (Ref. TASK 28-25-00-869-001) the fuel from the applicable wing tank and center tank.
1EFF : ALL 1 28-21-52Page 424 1 1 Aug 01/05 1 1 1CES 1
(3)
Energize the ECAM system (Ref. TASK 31-60-00-860-001).
(4)
On the ECAM Control Panel:
-push (in) the FUEL system page button.
(5)
On the panel 40VU:
-release (out) the X FEED P/BSW. Make sure that the ON and OPEN lights go off.
(6)
On the ECAM SDU, make sure that the crossfeed valve indication shows green cross-line (closed).
(7)
On the ECAM SDU, turn the LOWER DISPLAY switch counter-clockwise to the off position. Make sure that the ECAM SDU goes off.
(8)
De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
(9)
Drain the remaining fuel from the applicable wing tank (Ref. TASK 28-25-00-650-003).
**ON A/C ALL
Subtask 28-21-52-865-054
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
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/L WING TK/PUMP2 SPLY 7QA N26 121VU FUEL/L WING TK/PUMP1 SPLY 1QA N23 121VU FUEL/R WING TK/PUMP2 SPLY 8QA Q26 121VU FUEL/R WING TK/PUMP1 SPLY 2QA Q23 123VU L WING TK/PUMP 1/STBY SPLY 11QA AD12 123VU R WING TK/PUMP 1/STBY SPLY 12QA AE12
1EFF : ALL 1 28-21-52Page 425 1 1 Aug 01/05 1 1 1CES 1 Subtask 28-21-52-010-054
D. Get Access
(1)
Put the access platform below the applicable zone 540(640).
(2)
Remove the applicable fuel pump 22QA(25QA) (Ref. TASK 28-21-51-000-001).
(3)
Remove the applicable wing access panel (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-27-11-000-001):
-
FOR 2QM
remove 540AB
-
FOR 3QM
remove 640AB.
(4)
Open the applicable RIB 2 surge door:
-
FOR 2QM
open 540BZ
