(e)
Open the access door, 6540, for the refuel control panel (P15).
(f)
Write the value shown on the applicable refuel quantity indicator.
(g)
Compare the values on the fuel quantity indicator and the refuel quantity indicator. 1) The values must be the same with a tolerance of |20 pounds
(|20 kilograms).
S 715-043-003
(8)
Do this task: "Operational Test - Fuel Quantity Indicating System".
S 085-044-003
(9)
Remove the test equipment.
(a)
Open the QTY and EP GND FUELING circuit breakers.
(b)
Disconnect the test harness from the rear of the fuel quantity indicator and the aircraft wire bundle.
(c)
Connect the aircraft wire bundle to the rear of the fuel quantity indicator.
(d)
Install the fuel quantity indicator in the pilots' panel and tighten the clamp screw.
S 865-045-003
(10) Close these circuit breakers and remove the DO-NOT-CLOSE tags:
(a) P6 Main Power Distribution Panel
1) QTY
2) EP GND FUELING
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SIMMONDS DIGITAL FUEL ú
28-41-02 QUANTITY INDICATORS ú CONFIG 3
ú 01 Page 523 (BARFIELD SYSTEM TESTER) ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 975-046-003
(11) Do a check of the fuel quantity indicator values with an empty tank.
(a)
Make sure the fuel quantity indicator shows a value of zero with the applicable tolerance:
-Tanks No. 1 and 2: +110/-0 lbs (+50/-0 kgs)
-Center tank: +170/-0 lbs (+80/-0 kgs)
(b)
Write the value shown on the fuel quantity indicator.
(c)
Open the access panel, 6540, for the refuel control panel (P15), if the door is closed.
(d)
Write the value shown on the applicable refuel quantity indicator.
(e)
Compare the values on the fuel quantity indicator and the refuel quantity indicator. 1) The values must be the same with a tolerance of |20 pounds
(|20 kilograms).
F. Put the Airplane Back to Its Usual Condition
S 075-047-003
(1) Open these circuit breakers and close them again:
NOTE: This removes the error codes in the memory of the
____
indicator.
(a) P6 Main Power Distribution Panel
1) QTY
2) EP GND FUELING
S 415-048-003
(2) Close the access door, 6540, for the refuel control panel (P15).
S 095-049-003
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE
_______ THE LE FLAP SAFETY LOCKS. THE LE FLAPS CAN MOVE QUICKLY IF YOU DO NOT REMOVE THE SAFETY LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(3) Remove the locks on the leading edge flaps (AMM 27-81-00/201).
S 865-058-003
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LE AND TE
_______ FLAPS AND FLAP DRIVE MECHANISMS BEFORE YOU MOVE THE FLAPS. THE FLAPS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(4) Retract the leading edge flaps (AMM 27-81-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SIMMONDS DIGITAL FUEL ú
28-41-02 QUANTITY INDICATORS ú CONFIG 3
ú 01 Page 524 (BARFIELD SYSTEM TESTER) ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 865-051-003
(5) Remove the electrical power, if it is not necessary for other tasks (AMM 24-22-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SIMMONDS DIGITAL FUEL ú
28-41-02 QUANTITY INDICATORS ú CONFIG 3
ú 01 Page 525 (BARFIELD SYSTEM TESTER) ú Mar 12/02
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