Subtask 28-46-34-020-050
 A. Removal of the FLSCU.
 (1)
 Loosen the knurled nut (4).

 (2)
 Remove the FLSCU (1) from its rack (2).

 (3)
 Put blanking caps on the electrical connectors (3) and (5).

 1EFF : ALL 1 28-46-34Page 402 1 1 Aug 01/05 1 1 1CES 1

 Fuel Level Sensing Control Unit (FLSCU 1, 2)
 Figure 401/TASK 28-46-34-991-001
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1  1  Feb 01/98
 1  1
 1CES  1

 TASK 28-46-34-400-001
 Installation of the Fuel-Level Sensing Control-Unit (FLSCU) (7QJ,9QJ)

 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific platform 2.06 m (6 ft. 9 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
28-46-00-740-001 Functional (BITE) Test 28-46-34-991-001 Fig. 401
 3. Job Set-up
__________ Subtask 28-46-34-010-051
 A. Get Access
 (1)
 Make sure that the platform is in position.

 (2)
 Make sure that the access door 811 is open.

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 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 7QJ

R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 49VU FUEL/XFR VALVE1/WING/L 1QP A10 121VU FUEL/XFR VALVE2/WING/R 4QP M23 121VU FUEL/CTR TK/AUTO/CTL 47QA R27 121VU FUEL/CTR TK/PUMPS1 AND 2/CTL AND IND 31QA R25
 **ON A/C ALL
 121VU FUEL/HI/LVL/SPLY 1QJ L25 FOR 9QJ

R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 49VU FUEL/XFR VALVE1/WING/R 2QP A11 121VU FUEL/XFR VALVE2/WING/L 3QP M22 121VU FUEL/CTR TK/PUMPS1 AND 2/CTL AND IND 32QA R26
 **ON A/C ALL
 121VU FUEL/HI/LVL/SPLY 1QJ L25
 4. Procedure
_________
 (Ref. Fig. 401/TASK 28-46-34-991-001)

 Subtask 28-46-34-420-050
 A. Installation of the FLSCU.
 (1)
 Remove the blanking caps from the electrical connectors (3) and (5).

 (2)
 Install the FLSCU (1) on its rack (2).

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 (3) Connect the FLSCU (1) to the electrical connector (3).
 (4) Attach the FLSCU (1) to its rack (2) with the knurled nut (4). Subtask 28-46-34-865-052
 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): FOR 7QJ 1QJ, 1QP, 4QP, 31QA, 47QA FOR 9QJ 1QJ, 2QP, 3QP, 32QA.
 Subtask 28-46-34-740-050
 C. Do the Bite Test of the FLSCU (7QJ,9QJ) (Ref. TASK 28-46-00-740-001)
 5. Close-up
________ Subtask 28-46-34-410-050
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the access door 811.

 (3)
 Remove the access platform(s).

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 HARNESS - VENT SURGE TANK (34QJ1,34QJ2) - REMOVAL/INSTALLATION
______________________________________________________________
 TASK 28-46-43-000-001
 Removal of the Vent Surge Tank Harness
 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.
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
　
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