FUNCTION
CAPACITOR
TANK ADAPTER CABLE
WING PSD40-502-3
CENTER PSD40-502
TO UNITS
T-CABLE
WIRING
SIMMONDS PSD40-1 SYSTEM TESTER
Test Equipment Set-Up for Capacitance Simulation
Figure 503 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
AIRPLANES WITH ANALOG FUEL QUANTITY ú 28-41-00
INDICATORS ú CONFIG 2
ú 01A Page 512
(SIMMONDS SYSTEM TESTER) ú Jul 15/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
SYSTEM TESTER POWER SWITCH
SIMMONDS
PRECISION
CHASSIS ON OFF 000.0 M PF MEG READINGS TWO TERM. PRESS FOR
PSD60-1
AIRCRAFT ONLY
C M O P T U C H T LOZ HIZ SHLD COMP INDICATOR UNITS TANK TU COMP HIZ-GND COMP-GND LOZ-GND SHLD-GND HIZ-SHLD LOZ-HIZ LOZ-SHLD LOZ-COMP COMP-HIZ COMP-SHLD MEASURE INT SIM TU ONLY MEASURE EXT PF M SIM TU & COMP T C E L E T F U N C S COMP 0 3 10-200 PF SIMULATOR TU 0 5 4 10-2000 PF
CONNECT TO AIRFRAME GROUND WING CENTER TANK PSD40-502 PSD40-502-3 ADAPTER CABLE
FUEL QUANTITY INDICATOR CABLE ADAPTER T-CABLE SIMMONDS PSD60-1 SYSTEM TESTER PSD40-503 WIRING AIRCRAFT TO AND TANK COMPENSATOR UNITS
Test Equipment Set-Up for Capacitance Simulation Figure 503 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
AIRPLANES WITH ANALOG FUEL QUANTITY ú 28-41-00
INDICATORS ú CONFIG 2
ú 01A Page 513
(SIMMONDS SYSTEM TESTER) ú Jul 15/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500
MAINTENANCE MANUAL
FUNCTION DECADE MEASURE CAPACITOR SWITCH
FUNCTION
SIMMONDS COMP-SHLD HIZ-SHLD LOZ-GND SHLD-GND SIMULATOR
PRECISION LOZ-SHLD COMP 2 COMP-GND
FUNCTION D4 M^ PF TU COMP-HIZ COMP LOZ-COMP LOW HIGH HIZ-GND D1 X100 PF V1
SELECT LOZ-HIZ MEASURE S3 0-200 PF
SWITCH INT CAP SIM TU VERNIER
EXT CAP SELFCAP KNOBS
TEST
MEG MEG
D2 X10 PF V2
FUNCTION SEL S2 0-25 PF
J1 LOZ J4
PSD40-1 COMP
TESTER HIZ
POWER
SWITCH COMP 3 X10 PF V3
TOR TAN 0-25 PF
S1 ON J9 COMP
O F CHA SIS LOZ 2 COMP 2
UNSHIELDEDGROUNDED TO
ADAPTER CABLES AIRPLANE (MADE LOCALLY) STRUCTURE
F72731
FUEL QUANTITY INDICATOR
COMP COAXIAL
TO COMPENSATOR AND TANK UNITS
SIMMONDS PSD40-1 SYSTEM TESTER WITH THE F72731 CABLE
Test Equipment Set-Up for Capacitance Simulation Figure 503 (Sheet 3)
C40115
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
AIRPLANES WITH ANALOG FUEL QUANTITY ú 28-41-00
INDICATORS ú CONFIG 2
ú 01A Page 514
(SIMMONDS SYSTEM TESTER) ú Jul 15/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
S 975-025-002
(4) 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) (c) Close the QTY and EP GND FUELING circuit breakers, and let the system become warm for five minutes.Make sure the fuel quantity indicator shows the applicable full value with the applicable tolerance: TANK FULL VALUE
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