(b)
Close the QTY and EP GND FUELING circuit breakers, and let the system become warm for five minutes.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SIMMONDS DIGITAL FUEL ú
28-41-02 QUANTITY INDICATORS ú CONFIG 1
ú 01 Page 518 (GULL SYSTEM TESTER) ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(c) Make sure the fuel quantity indicator shows the applicable full
value with the applicable tolerance:
~..........................................
| TANK | FULL VALUE |
............................................
| No. 1 and 2 *[1] | 11000 |110 lb |
............................................
| Center *[1] | 16800 |170 lb |
............................................
| No. 1 and 2 *[2] | 5000 |50 kg |
............................................
| Center *[2] | 7600 |80 kg |
2..................….......................1
*[1] Fuel quantity indication in pounds
*[2] Fuel quantity indication in kilograms
(d) Write the value shown on the fuel quantity indicator.
(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 715-044-001
(10)
Do this task: "Operational Test - Fuel Quantity Indicating System".
S 085-045-001
(11)
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 airplane wire bundle.
(c)
Connect the airplane 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 865-046-001
(12) Close these circuit breakers and remove the DO.NOT.CLOSE tags:
(a) P6 Main Power Distribution Panel 1) EP GND FUELING 2) QTY
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SIMMONDS DIGITAL FUEL ú
28-41-02 QUANTITY INDICATORS ú CONFIG 1
ú 01 Page 519 (GULL SYSTEM TESTER) ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 975-047-001
(13) Do a check of the values on the fuel quantity indicator 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, if the access panel 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 075-048-001
(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) EP GND FUELING
2) QTY
S 415-049-001
(2) Close the access door, 6540, for the refuel control panel (P15).
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