(2)
Make sure that the parts retained from the removed component are clean and in the correct condition.
(3)
Do an inspection of the component interface and/or the adjacent area.
(4)
Lubricate the new parts that follow with FUELS (Material No. 01-001) or COMMON GREASE (Material No. 04-012):
-the new O-ring (1)
-if applicable, the new O-ring (7)
-the new O-ring (8)
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- the new O-ring (9).
(5) Install the new O-rings (1), (8) and (9) on the fuel pump (2).
(6) If you install the fuel pump that you removed, do this procedure:
(a) Install the new O-ring (7) on the drain bolt (6).
(b) Install the drain bolt (6).
(c) Safety the drain bolt (6) with MISCELLANEOUS (Material No. 19-010).
(7) Lubricate the fuel pump (2), the slide valve and the pump canister with FUELS (Material No. 01-001).
Subtask 28-21-51-420-057
R B. Installation of the Fuel Pump 37QA(38QA)
(1) Make sure the pump retainer baulk-arm (11) is in the unlocked (open) position. This gives clearance for the fuel pump (2) to be installed into the slide valve.
(2) Make sure that the pump electrical receptacle (12) is in the same position that you recorded.
R R R (3) Install the EXTRACTOR - FUEL PUMP (558-1-05903) or the EXTRACTOR TOOL (558-1-05903-002) on the applicable fuel pump (2) and slide valve assembly.
(4) Align and install the fuel pump (2) in the slide valve.
(5) Use the EXTRACTOR - FUEL PUMP to turn the fuel pump (2) and slide valve clockwise to align with the stop-pin location hole.
(6) Make sure that the fuel pump (2) flange slot engages with the retainer pin and spring assembly.
R (7) Turn the fuel pump retainer baulk-arm (11) to the locked (closed) position.
R (8) Remove the EXTRACTOR - FUEL PUMP from the fuel pump (2) and the slide valve assembly.
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-21-51Page 429 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1R (9) Push the fuel pump (2) and the slide-valve fully into the fuel pump R canister.
(10)
Install the bolts (3).
(11)
Torque the bolts (3) to 1.13 m.daN (99.99 lbf.in).
(12)
Install the bolts (5) in the fuel pump (2), the slide-valve and the fuel pump canister assemblies.
(13)
Torque the bolts (5) to 1.13 m.daN (99.99 lbf.in).
(14)
Remove the blanking caps from the electrical connector and receptacle.
(15)
Connect the electrical connector to the pump electrical receptacle (12).
(16)
Do a check of the electrical bonding between the fuel pump (2) and the tank structure (Ref. TASK 20-28-00-720-006).
Subtask 28-21-51-860-054
C. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical network (Ref. TASK 24-41-00-861-002).
(2)
Make sure that the slats are retracted (Ref. TASK 27-80-00-866-005).
(3)
Make sure that the center tank contains a minimum of 1000 kg (2204.6220 lb) of fuel. If necessary refuel the center tank (Ref. TASK 12-11-28-650-003).
Subtask 28-21-51-790-055
D. Leak Test
(1) Examine the fuel pump (2), the slide-valve and the fuel pump canister for leaks.
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E. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
-
FOR 37QA
29QA
-
FOR 38QA
30QA.
Subtask 28-21-51-710-052
F. Operational Test
(1) Do this test:
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
On panel 40VU:
1.
Push (in) the MODE SEL pushbutton switch (P/BSW).
2.
Start the applicable fuel pump:
-
for 37QA, push (in) the CTR TK PUMPS 1 P/BSW
-
for 38QA, push (in) the CTR TK PUMPS 2 P/BSW.
3.
Stop the applicable fuel pump:
-
for 37QA, release (out) the CTR TK PUMPS 1 P/BSW
-
for 38QA, release (out) the CTR TK PUMPS 2 P/BSW.
4.
Release (out) the MODE SEL P/BSW.
On panel 40VU:
-
the MODE SEL P/BSW MAN light goesoff.
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