(b)
Write the value shown on the fuel quantity indicator.
(c)
Open the access panel, 6540, for the refuel control panel (P15) (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 fueling quantity indicator. 1) The values must be the same with a tolerance of |20 pounds
(|20 kilograms).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SIMMONDS DIGITAL FUEL ú
28-41-02 QUANTITY INDICATORS ú CONFIG 2
ú 01 Page 527 (SIMMONDS SYSTEM TESTER) ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
G. Put the Airplane Back to Its Usual Condition
S 075-050-002
(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 415-051-002
(2) Close the access door, 6540, for the refuel control panel (P15).
S 095-052-002
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.
ú (3) Remove the locks on the leading edge flaps (AMM 27-81-00/201).
S 865-061-002
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.
ú (4) Retract the leading edge flaps (AMM 27-81-00/201).
S 865-054-002
(5) Remove the electrical power, if it is not necessary for other tasks
ú (AMM 24-22-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SIMMONDS DIGITAL FUEL ú
28-41-02 QUANTITY INDICATORS ú CONFIG 2
ú 01.1 Page 528 (SIMMONDS SYSTEM TESTER) ú Jul 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
FUEL QUANTITY INDICATING SYSTEM - ADJUSTMENT/TEST
_________________________________________________
1. General_______
A. This procedure has these tasks:
(1)
A test for the correct operation of the fuel quantity indicating system
(2)
A system trim
(3)
A system test
B. To do the test for the correct operation, you push the test switch in the control cabin and make sure the indicators operate. You do this procedure again at the P15 refuel panel on the wing.
C. You must do a check of the value on the applicable fuel quantity
indicator after you replace one of these components:
(1)
The fuel quantity indicator
(2)
The tank unit
(3)
The compensator
(4)
The wire bundle
(5)
The capacitance trimmer.
D. Compare the value shown on each indicator to the applicable value in this table to see if you must do the trim procedure or the system test of the fuel quantity indicating system:
NOTE: You must do this check before you put the fuel in the tank.
____
NOTE: The fuel quantity indicators must show a value of zero when
____ the fuel quantity test switch is pushed and held and the indicator is correctly adjusted. This table shows how much adjustment is required by the indicator.
~...................................................................... | | ACTION REQUIRED | | ...................................................... | TANKS | | TRIM | SYSTEM TEST | | | NONE | (Ref Par. 3) | (Ref Par. 4) | ........................................................................ | 1 & 2 | 0 to +110 lbs | +110 to +200 lbs | over 200 lbs | | | 0 to +50 kgs | +50 to +100 kgs | over 100 kgs | ........................................................................ | CENTER | 0 to +170 lbs | +170 to +300 lbs | over 300 lbs | | | 0 to +80 kgs | +80 to +150 kgs | over 150 kgs | 2.................…................…..................…................1
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