(b)
Set the FUNCTION MEASURE switch (PSD40-1) or set the SELECT switch (PSD60-1) to COMP.
(c)
Adjust the SIMULATOR COMP decade capacitor (D2) and the vernier knob (V2) until the test unit shows 41.4 pf.
NOTE: This is the capacitance value added to the empty
____ tank capacitance by the test unit to simulate a full tank.
(d) Set the FUNCTION MEASURE switch (PSD40-1) or set the SELECT switch (PSD60-1) to TU.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SIMMONDS DIGITAL FUEL ú
28-41-02 QUANTITY INDICATORS ú CONFIG 2
ú 01 Page 525 (SIMMONDS SYSTEM TESTER) ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(e) Adjust the SIMULATOR TU decade capacitor (D1) and the vernier knob (V1) until the test unit shows the applicable added capacitance value:
NOTE: This is the capacitance value added to the empty
____ tank capacitance by the test unit to simulate a full tank.
~........................................... | TANK | ADDED CAPACITANCE (pf) | ............................................. | No. 1 and 2 *[1] | 568.8 | ............................................. | Center *[1] | 191.0 | ............................................. | No. 1 and 2 *[2] | 569.9 | ............................................. | Center *[2] | 190.5 | 2..................…........................1 *[1] Fuel quantity indication in pounds *[2] Fuel quantity indication in kilograms
(f) Set the FUNCTION SEL switch to SIM (PSD40-1) or set the FUNCT switch to SIM TU & COMP (PSD60-1).
S 975-042-002
(7) Do a check of the values on the fuel quantity indicator with a full tank.
(a)
Connect the test harness to the rear of the fuel quantity indicator.
(b)
Close QTY and EP GND FUELING circuit breakers, and let the system become warm for five minutes.
(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).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SIMMONDS DIGITAL FUEL ú
28-41-02 QUANTITY INDICATORS ú CONFIG 2
ú 01 Page 526 (SIMMONDS SYSTEM TESTER) ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(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).
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(8) Do this task: "Operational Test - Fuel Quantity Indicating System".
F. Remove the Test Equipment
S 865-044-002
(1)
Open the QTY and EP GND FUELING circuit breakers.
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(2)
Disconnect the test harness from the rear of the fuel quantity indicator and the aircraft wire bundle.
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(3)
Connect the aircraft wire bundle to the rear of the fuel quantity indicator.
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(4)
Install the fuel quantity indicator in the pilots' panel and tighten the clamp screw.
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(5)
Close these circuit breakers and remove the DO-NOT-CLOSE tags:
(a) P6 Main Power Distribution Panel
1) QTY
2) EP GND FUELING
S 975-049-002 中國航空網 www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：737-300 400 500 AMM 飛機維護手冊 燃油 FUEL 3(94)
