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Crossfeed Valve Actuator
Figure 401/TASK 28-23-51-991-001
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TASK 28-23-51-400-001
Installation of the Crossfeed Valve Actuator 5QE
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
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REFERENCE QTY DESIGNATION
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No specific access platform 2.0 m (6 ft. 7 in.)
No specific 1 WARNING NOTICE R No specific Torque Wrench : range 0.00 to 1.20 m.daN R (0.00 to 9.00 lbf.ft)
B. Consumable Materials
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REFERENCE DESIGNATION
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Material No. 04-563 HIGH TEMPERATUREFLUOROSILICONE GREASE (Ref. 20-31-00)
C. Expendable Parts
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FIG.ITEM |DESIGNATION |IPC-CSN
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O-ring 28-23-03 01 -130
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-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 28-00-00-200-002 Dimensional Inspection of the Dowel (Anti-Rotation)
on Twin Motor Actuators
28-00-00-910-001 Fuel Safety Procedures
31-60-00-860-001 EIS Start Procedure
31-60-00-860-002 EIS Stop Procedure
32-12-00-010-001 Open the Main Gear Doors for Access
32-12-00-410-001 Close the Main Gear Doors after Access
28-23-51-991-001 Fig. 401
3. Job Set-up
__________
Subtask 28-23-51-860-053
A. Aircraft Maintenance Configuration
(1)
When you do maintenance work on the fuel system you must obey the fuel safety procedures (Ref. TASK 28-00-00-910-001).
(2)
On the APU section of the overhead panel 25VU, make sure that the APU MASTER SW is in the off position (the ON legend is off).
(3)
On the FUEL overhead panel 40VU, make sure that all L TK PUMPS and R TK PUMPS pushbutton switches are released (the OFF legends are on).
R (4) Make sure that the WARNING NOTICE is in position: - on the overhead panel 25VU, to tell persons not to operate the APU MASTER SW, - on the FUEL panel 40VU, to tell persons not to operate the fuel system, - on the APU FIRE panel 20VU, to tell persons not to operate the fire extinguishing system.
(5)
Make sure that the LH MLG door is open (Ref. TASK 32-12-00-010-001)
(6)
Make sure that the access platform is in position at the MLG door.
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Subtask 28-23-51-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FUEL/X FEED/VALVE/MOT1 2QE A12 121VU FUEL/X FEED/VALVE/MOT2 1QE M24
4. Procedure_________
(Ref. Fig. 401/TASK 28-23-51-991-001)
Subtask 28-23-51-210-051
A. Preparation for Installation
(1) Clean the component interface and/or the adjacent area.
(2) Do an inspection of the component interface and/or the adjacent area.
R R R (3) Before you install an actuator Part Number HTE190001 and/or HTE190026, you must do the dimensional check of the dowel (anti-rotation) (Ref. TASK 28-00-00-200-002).
CAUTION : DO NOT TRY TO TURN THE DRIVE OF THE ACTUATOR BECAUSE YOU_______ WILL CAUSE DAMAGE.
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