(7)
Cut and remove the lockwire from the screws (5).
(8)
Hold the pump canister (22) and remove the five screws (5), the washers (6) and the bonding lug (7).
(9)
Remove the pump canister (22), and remove and discard the O-rings (9), (21) and (23).
(10) Put blanking plugs on the disconnected line ends.
1EFF : ALL 1 28-22-52Page 406 1 1 Aug 01/05 1 1 1CES 1 **ON A/C ALL
TASK 28-22-52-400-001
Installation of the APU Fuel-Pump Canister (9QM)
WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific access platform 1.65 m (5 ft. 5 in.)
B. Consumable Materials
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
No specific lockwire 0.8 mm
Material No. 01-001 USA ASTM-D-1655-93 (JET A-1)
FUEL, TURBO (Ref. 20-31-00)
C. Expendable Parts
-------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION |IPC-CSN
-------------------------------------------------------------------------------
R 6 washers 28-22-05 02 -020 6 washers 28-22-05 02 -030
R 6 washers 28-22-05 02A-020 6 washers 28-22-05 02A-030 9 O-ring 28-22-05 01A-030 9 O-ring 28-22-05 01B-030 21 O-ring 28-23-05 01B-130 21 O-ring 28-23-05 01C-130
1EFF : ALL 1 28-22-52Page 407 1 1 Feb 01/05 1 1 1CES 1 -------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION |IPC-CSN
-------------------------------------------------------------------------------
21 O-ring 28-23-05 01D-130 23 O-ring 28-22-05 02 -030 23 O-ring 28-22-05 02 -060 23 O-ring 28-22-05 02A-030
D. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
12-11-28-650-003 Pressure Refuel with Automatic Control
28-22-00-710-001 Operational Test of the APU Fuel-Pump System on
Ground to Purge the Fuel Line 28-22-51-000-001 Removal of the APU Fuel Pump (4QC) 28-22-51-400-001 Installation of the APU Fuel Pump (4QC) 28-25-00-650-001 Pressure Defuel 28-25-00-650-003 To Drain Remaining Fuel from the Wing Tanks and the
Center Tank
32-12-00-010-001 Open the Main Gear Doors for Access
32-12-00-410-001 Close the Main Gear Doors after Access
57-17-11-000-001 Removal of the Covers 147AZ (148AZ)
57-17-11-400-001 Installation of the Covers 147AZ (148AZ)
**ON A/C 001-049, 051-099, 101-105, 151-154, 201-207,
28-22-52-991-001 Fig. 401
R **ON A/C 106-149, 155-199, 208-299, 301-399, 401-499,
28-22-52-991-001-A Fig. 401A
1EFF : ALL 1 28-22-52Page 408 1 1 Aug 01/05 1 1 1CES 1 **ON A/C ALL
3. Job Set-up
__________
Subtask 28-22-52-860-050
A. Aircraft Maintenance Configuration
(1)
Make sure that the APU/MASTER SW pushbutton switch is released on the overhead control and indicating panel 25VU.
(2)
Make sure that the center tank and the left wing tank are defueled (Ref. TASK 28-25-00-650-001).
(3)
Make sure that the remaining fuel from the center tank and the left wing tank is drained (Ref. TASK 28-25-00-650-003).
(4)
Make sure that the access platform is in position under the main door of the left main gear.
(5)
Make sure that the main door of the left main gear is open (Ref. TASK 32-12-00-010-001).
(6)
Make sure that the manhole cover is removed 147AZ (Ref. TASK 57-17-11-000-001).
(7)
Make sure that the APU fuel pump 4QC is removed (Ref. TASK 28-22-51-000-001).
4. Procedure
_________
**ON A/C 001-049, 051-099, 101-105, 151-154, 201-207,
(Ref. Fig. 401/TASK 28-22-52-991-001) R **ON A/C 106-149, 155-199, 208-299, 301-399, 401-499,
(Ref. Fig. 401A/TASK 28-22-52-991-001-A)
1EFF : ALL 1 28-22-52Page 409 1 1 Aug 01/05 1 1 1CES 1R **ON A/C 001-049, 051-099, 101-105, 151-154, 201-207,
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