Smiths Aerospace
Electronic Systems – Malvern
DOC NO.0134ED
MAINTENANCE MANUAL SUPPLEMENT
BOEING B737-100/200/300/400/500
28-41-04
NOTE: For VTO airplanes only, accomplish steps 23 through 25.
23. Reduce fuel quantity in the tank by 20 percent.
24. Fuel tank and allow volumetric shutoff to occur.
25. Verify that fuel level has shut off within .5% of initial setting. If shutoff is unsatisfactory then repeat
calibration procedure.
26. Open P15, Refuel Control Panel and verify that the fuel quantity indicator reads the same as the
cockpit per the following:
Tank
Tolerance
Main 1 & 2
±
20 LB
±
10 KG
Center Wing
±
50 LB
±
30 KG
Aux
±
50 LB
±
30 KG
27. Close P15, Refuel Control Panel.
28. Repeat steps 4.C.2 through 4.C.27 for all other tanks to be calibrated.
CONFIG
4.1
Page 524
July 15/02
Airplanes with Smiths 2307 Model Fuel Quantity Indicators
with TSU
(GULL SYSTEM TESTER)
EFFECTIVITY
